20190863 Ver 1_Mitigation Plan_2021_20210504

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MITIGATION PLAN OAK HILL DAIRY MITIGATION SITE
Gaston County, NC
Final NCDEQ Contract No. 7867
DMS ID No. 100120
March 22, 2021 Catawba River Basin
HUC 03050102
USACE Action ID No. SAW 2019 00833
NC DWR Project No. 2019-0863
REP#: 16 007704 (Issued: 9/6/2018)
PREPARED FOR:
NC Department of Environmental Quality
Division of Mitigation Services
5 Ravenscroft Drive, Ste 102
Asheville, NC 28801

A °
NT DEPARTMENT OF THE ARMY
4LS47174 6 WILMINGTON DISTRICT,CORPS OF ENGINEERS
�
69 DARLINGTON AVENUE
WILMINGTON, NORTH CAROLINA 28403-1343
REPLY TO March11, 2021
ATTENTION OF
Regulatory Division
Re: NCIRT Review and USACE Approval of the NCDMS Oak Hill Dairy Mitigation Site /
Gaston Co./ SAW-2019-00833/ NCDMS Project # 100120
Mr. Tim Baumgartner
North Carolina Division of Mitigation Services
1652 Mail Service Center
Raleigh, NC 27699-1652
Dear Mr. Baumgartner:
The purpose of this letter is to provide the North Carolina Division of Mitigation Services
(NCDMS) with all comments generated by the North Carolina Interagency Review Team
(NCIRT) during the 30-day comment period for the Oak Hill Dairy Draft Mitigation Plan, which
closed on February 18, 2021. These comments are attached for your review.
Based on our review of these comments, we have determined that no major concerns
have been identified with the Draft Mitigation Plan, which is considered approved with this
correspondence. However, several minor issues were identified, as described in the attached
comment memo, which must be addressed in the Final Mitigation Plan.
The Final Mitigation Plan is to be submitted with the Preconstruction Notification (PCN)
Application for Nationwide permit approval of the project along with a copy of this letter. Issues
identified above must be addressed in the Final Mitigation Plan. All changes made to the Final
Mitigation Plan should be summarized in an errata sheet included at the beginning of the
document. If it is determined that the project does not require a Department of the Army permit,
you must still provide a copy of the Final Mitigation Plan, along with a copy of this letter, to the
USACE Mitigation Office at least 30 days in advance of beginning construction of the project.
Please note that this approval does not preclude the inclusion of permit conditions in the permit
authorization for the project, particularly if issues mentioned above are not satisfactorily
addressed. Additionally, this letter provides initial approval for the Mitigation Plan, but this does
not guarantee that the project will generate the requested amount of mitigation credit. As you
are aware, unforeseen issues may arise during construction or monitoring of the project that may
require maintenance or reconstruction that may lead to reduced credit.

Thank you for your prompt attention to this matter, and if you have any questions
regarding this letter, the mitigation plan review process, or the requirements of the Mitigation
Rule, please call me at 919-554-4884, ext 60.
Sincerely,
Kim Browning
Mitigation Project Manager
for Ronnie Smith, Deputy Chief
USACE Regulatory Division
Enclosures
Electronic Copies Furnished:
NCIRT Distribution List
Matthew Reid, Paul Wiesner—NCDMS
Jake McLean—WEI

bilkill/1111W
WILDLANDS
ENGINEERING
March 22, 2021
ATTN: CESAW-RG/Browning
Ms. Kim Browning
US Army Corps of Engineers—Wilmington District
69 Darlington Avenue
Wilmington, NC 28403-1343
RE: Oak Hill Dairy Mitigation Site
Catawba River Basin 03050102
Gaston County, NC
Response to NCIRT Comments during 30-day Mitigation Plan Review
USACE Action ID No: SAW-2019-00833
DWR Project ID: 7867
NCDMS Project No: 100120
Dear Ms. Browning:
Wildlands Engineering, Inc. (Wildlands) has reviewed the IRT's comments on the draft mitigation plan
and draft construction documents for the Oak Hill Dairy Mitigation Site (Site). We have made the
necessary revisions to the report and draft plans and we are submitting revised versions of the
documents along with this letter. Below are responses to each of the IRT's comments from the U.S.
Army Corps of Engineers memo dated February 23, 2021. The original comments are provided below in
italics followed by our responses.
WRC COMMENTS, OLIVIA MUNZER& TRAVIS WILSON:
1. I'd like to see more forbs(i.e., pollinator species)in the seed mix.
Wildlands Response:To address this and other subsequent comments, Wildlands has made the
following adjustments to seed mix:
Riparian mix-Add Purple coneflower (Echinacea purpurea) at 1 lb/ac
Add common yarrow (Achillea millefolium) at 1 lb/ac
Remove Fox sedge (Carex vulpinoidea)
Wetland mix- Reduce smartweed (Polygonum pensylvanicum)to 0.5 lb/ac
Reduce common rush (Juncus effusus)to 1.5 lb/ac
Add Narrowleaf sunflower(Helianthus augustifolia) at 1 lb/ac
2. Cherrybark oak isn't known west of Mecklenburg. Consider an alternative.
Wildlands Response:We will substitute water oak (Quercus nigra).
3. In the buffer, the soil moisture may not be wet enough for OBL species, such as tag alder, and even
some FACW trees, such as swamp chestnut oak.

Wildlands Response:Tag alder has been removed from the open area buffer zone and will only be
used in wetland 1 which is the wettest area of the Site. Elderberry and spicebush are being
increased in other areas. See our response to comment 5 as it relates to swamp chestnut oak.
4. Seems like a high %of sycamore.
Wildlands Response: Please see the revised planting table and the response to comment 5;
the % of sycamore has been reduced to 15%.
5. Since the target communities include mesic-oak-hickory, add some hickories, white oak, scarlet oak,
etc.
Wildlands Response:The following changes to the planting plan address this comment,the two
prior, and later related comments by WRC and others:
• Open area buffer zone-
o Reduce sycamore to 15%
o Remove swamp chestnut oak
o Add bitternut hickory(Carya cordiformis) at 5%
o Add sourwood (Oxydendrum arborem) at 5%
o Add white oak(Quercus alba) at 5%
o Remove tag alder/replace with elderberry
• Wetland Planting Zone
o Substitute water oak(Quercus nigra)for cherrybark oak
Both bitternut hickory and white oak grow in a range of soils that include bottomland and
streamside areas. Both of these would also be climax species for the oak hickory community type.
6. Do not plant tall fescue or orchard grass as these are invasive sp.
Wildlands Response:Wildlands has often used this combination of seeding for rehabilitation
seeding in pasture and disturbed areas outside of the conservation easement. Part of our
commitment to landowners is reestablishing stands of grass on disturbed areas outside of the
easement and these species are recommended by NCDEQ and USDA for this purpose—at this time
we rely on this approach, have not seen any negative impacts to easements and cannot agree to
halt the use of these species.
7. That specific rye(Secale cereale)is allelopathic.
Wildlands Response: Secale cereale is specified in the ESC manual, and the manual goes on to state
that the alternative, annual ryegrass, is not recommended for use in NC due to it being
overcompetitive. Wildlands welcomes and would consider using suggested alternatives.
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8. HDPE is shown for one of the culverts; WRC prefers the use of CMP or RCP for this type of crossing.
Wildlands Response:The culverts in question are replacement of culverts outside of the easement
area. These culverts, in their current condition, are extremely steep and also in poor condition and
at risk of failure. No commitment to replace these was made as part of the project proposal. The
proposed culverts constitute a significant improvement for both stability and passage but are not
credited activities nor activities that require permitting (they are replacement of existing culverts
with the same size and footprint replacements). We will consider this comment when ordering
materials, and intend at this time to use CMP or RCP unless unacceptable to the landowner on
whose property these improvements are proposed. Given the circumstances, we are not committing
to a certain pipe material for these and the landowner must approve any changes we propose.
USACE COMMENTS, KIM BROWNING:
1. Design Sheet 4.2:The legend of symbols does not include the triangles shown on the drawing. I
assume these areas are the BMP planting call-out.
Wildlands Response:The BMP hatch has been added to the planting sheets (Sheets 4.2—4.5) and
the BMP planting scheme was added to the Planting List (Sheet 4.1).
2. UT1B, page 20:Given that this reach has a Medium NCSAM score, a 15 ft buffer on one side,
intermittent cattle access and contains kudzu, preservation is not appropriate for this reach. A lower
level of enhancement at 8:1 would be more appropriate. Please update credit tables.
Wildlands Response:The report and references have been updated to reflect this suggestion that
UT1B be credited as an enhancement II reach at a ratio of 8:1.As a result,two photo points have
been included as part of the monitoring components for UT1B which are reflected in Table 30 and
Figure 11.
3. Section 3.3 is very helpful in understanding current conditions. The inclusion of photos in section
3.3.2 would be welcome, to include photos of the berms that have been built up as a result of
dredging.
Wildlands Response:An image of a hillshaded QL1 LiDAR surface (shown below)was added to
Section 6.7.4 (Existing Wetland Manipulation and Drainage)to illustrate areas of remnant berm piles
located in the lower valley along the mainstem of Oak Hill Creek.
3

Visualization of Existing Berm Piles Along
Oak Hill Creek Using QL1 LiDAR
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oft
}{ y RFi eac
Secondary bermF'\
ej1
, " Fill berm
UT3
i(i Original berm from
trapezoidal dredging
.{ •,Reach 3
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4. Section 5.0& Table 15:I like the wording of the goals and objectives in this section;However, Table
15 discusses the functions supported, including the physiochemical and biological uplift. These are
benefits that are presumed and will not be measured by monitoring. Unless you intend to
demonstrate actual uplift in these areas, I recommend that this section be reworded that uplift in
these areas is implied.
Wildlands Response:The following statement was added to the paragraph prefacing Table 15 to
qualify that potential benefits of biological and physicochemical functional uplift are implied: "It
should be noted that potential benefits resulting in the uplift of biological and physicochemical
functions are presumed since these functions will not be directly measured during monitoring."
5. Section 6.6.9 and Design Sheet 6.3 discusses replacement of culverts. On Sheet 2.15 it appears that
these crossings are outside the project area. Please note that if a new culvert is being installed in an
area that did not previously have a crossing, is outside the project easement, or if the culvert will be
larger and therefore have a larger impact, a Department of the Army Permit may be required for this
crossing as it would not be covered under the NWP-27. Since it appears that these culvert
replacements are an integral part of the design for UT2 and UT3, USACE considers these part of this
project; therefore, you may submit the NWP-14 permit application along with the NWP-27 if it helps
expedite the permitting process. Or as an alternative, you may submit the permit for the culverts to
the Gaston County USACE PM.
Wildlands Response:The four new culverts are proposed on Sheets 2.14& 2.15 &6.3. Sheet 6.3
depicts three of these (pipes#1-3). Pipes#2-3 are replacement of drainage pipes on ephemeral
drainages and therefore do not require permitting. Pipe#1 is replacement of an existing pipe in a
perennial channel (UT3). Sheet 2.14 depicts replacement of an existing pipe in a perennial channel
(UT2). The replacements on UT2& UT3 are in the same location (footprint), and of the same size
(length) as the existing pipes. If these activities were stand alone, we would typically consider this a
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non-reporting situation, or otherwise a NW3 maintenance request. We will work with USACE to
adequately permit these as they recommend but consider the comment largely not applicable.
6. Pages 8, 11 & 16:It's concerning that runoff from the dairy waste lagoon and cattle feedlot currently
outlet directly into the stream. The addition of the BMPs will be important for filtering runoff(thank
you for the detail in Section 6.8). Is there currently a potential violation of State water quality rules?
Without touring the dairy operation it's difficult to discern whether the BMPs will address the
underlying problem.Although the lagoon has only over-topped the dam once, a grassed waterway
seems inadequate to filter the runoff from the lagoon and adjacent fields.Additionally, does the
landowner spray the adjacent fields with lagoon nutrients?A more thorough explanation of land use
practices would be helpful to understand the operation better. If the fields are sprayed, please
include a waste management spray map to ensure that proper setbacks from the buffer and stream
are being implemented. a. Page 36 states that it may take several years to a decade before BMP
capacity is reduced such that performance suffers. Once the site is transferred to Stewardship, will
the landowner be responsible for maintenance of the BMPs?Please address this in Section
Wildlands Response:The lagoon is a no discharge facility designed for the 25-year 24-hour event or
greater. It is not piped and has no discharge to streams, wetlands or floodplain.The cattle "feedlot"
is merely a feeding area where hay is put out for cattle in the pasture. In the last two years, the dairy
has added a large metal roofed barn for feeding and milking, expanding capacity over their original
smaller wooden barn, and reducing the need to feed some of their herd outdoors in the feeding
area in question. Wildlands has no reason to believe that there are any regulatory violations
associated with the Site, but at the same time recognized a benefit to having treatment of the field
draining the outdoor feeding area, and a backup system for the lagoon in place as provided by the
proposed BMPs. The dairy operation is registered and covered under the cattle waste management
system general permit(see response to EPA comment 3 for details). Under this permit no discharge
is permitted except by an event exceeding the design storm (25-year 24-hour event). Presumably,
the overtopping event mentioned in the report, which is the only event in a period of many decades,
falls under that caveat.The facility has developed and maintains a Certified Animal Waste
Management Plan consistent with all applicable regulatory requirements and standards. Land
application is primarily on a separate location and application records and compliance with
standards are part of facility compliance, presumably reviewed by the state during Site review (last
completed on 12/21/20).
These BMPs are designed with volume storage and stabilized outlets that disperse flow with the
long-term intent being that they serve as flow distributing filter strips that augment the wooded
buffer being established. Additional land beyond the required buffer have been obtained for this
purpose. While volume storage "performance" may be reduced over time, overall treatment is
likely to continue to be effective given that vegetated filter strips have been shown to provide
effective as pollutant removal practices.
BMP Maintenance: No long-term maintenance of the BMPs is anticipated. As stated on page 39,the
intent is to observe and fine-tune BMP function as necessary during monitoring such that the
practices are not eroding and are vegetating and spreading out flow as intended.
Some of the language in Section 6.8 of the mitigation plan has been refined to address various
comments with regards to BMPs and BMP maintenance.
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7. Section 3.3.1: Why are UT2 and UT3 not being proposed for credit?Is it because there is a concern
with channel instability with flood events? Due to concerns with aquatic species passage, the use of
RCP is preferrable to HDPE.
Wildlands Response:There is no concern with channel instability. From inception, UT2 and UT3
have always been proposed for no credit because they are extensions of these streams to the
relocated mainstem and Wildlands did not want the relocation of Oak Hill Creek to be viewed as a
self-serving way to increase credit generation. For consistency with expectations set earlier in the
project we do not intend to pursue credit for UT2 & 3 on this project.
Wildlands will use CMP or RCP in lieu of HDPE, but only if this is acceptable to the non-participating
landowner who is allowing this work to be performed. Any pipe replacement on these tributaries
will be a vast improvement over the current pipes which are much steeper and some of which have
stability and longevity concerns.
8. Section 6.7:As a follow-up to our phone conversation February 5, please provide an updated Figure 9
showing the different wetland approaches. Additionally, please label the wetlands to coincide with
the Soils Investigation Map in Figure A.
Wildlands Response:Wetland approaches have been updated in Figure 9 and they have also been
labeled to conform with the Soils Investigation Map in Figure A.
9. Thank you for the updated grading sheets and revised boundaries as a result of our phone
conversation;However,some of the follow-up email was a bit confusing, especially the discussion of
the map. We acknowledge that some changes were made to address concerns but didn't necessarily
change all the areas we discussed. Please include this correspondence and updated figures in the
final mitigation plan. If monitoring data suggests that the wetlands are not on a trajectory for
success, we may require a reverification of jurisdictional limits in MY7, prior to the final credit
release.
Wildlands Response:We understand that when wetland criteria is not met, particularly in later
monitoring years,that additional data may be necessary to establish the boundary between areas
meeting criteria and areas not meeting. We hold the position that this should only apply in obvious
areas of underperformance since reverification of jurisdictional limits cannot serve to expand
credited wetlands but only reduce the credited area. We have often installed additional gages or
conducted abbreviated evaluations to this end.
10. Please include an additional wetland gauge and veg plot in the creation area around the vicinity of
UT3.
Wildlands Response: One wetland gauge and one mobile veg plot was added in the wetland
creation area around the vicinity of UT3 and can be seen in the updated Monitoring Components
Map (Figure 11)
Table 29:Several areas were noted to contain invasive species, such as Chinese privet, bamboo,
Japanese honeysuckle,Japanese knotweed, English ivy, marsh dewflower, multiflora rose and kudzu.
6

Please include a performance standard that addresses invasive control with levels no more than 5%
of the easement, and no tolerance for kudzu. This will need to be maintained offsite as well.
Wildlands Response:Wildlands is already in the process of treating invasives and is committed to
successful management of this challenge on the site. In Appendix 8, Wildlands agrees to manage
invasives to ensure the survival of woody species and a threshold of ensuring that no more than 1%
of the planted acreage is at risk from invasives species proliferation.This is a robust commitment-
certainly if 5%of the acreage was covered with kudzu or knotweed,then greater than 1%of the
planted acreage would be affected. We have concerns about agreeing to new standards that must
be measured, tabulated, and which may not prove attainable for given species such as marsh
dewflower(note that no adverse effects have been documented as it relates to woody species
establishment when it comes to marsh dewflower proliferation). We request that the Corps
reconsider this additional requirement, and we acknowledge and understand the lack of tolerance
for kudzu. Likewise, we understand the need to treat invasives offsite at our discretion in order to
manage future on-site infestation and plan to do so.
We have added to the Invasive Species Plan in Appendix 8 that with the exception of marsh
dewflower Wildlands will target a treatment level such that invasive species coverage is below a
threshold of 5%for the Site at closeout.
11. Appendix 10:If BMP maintenance is anticipated, please update this section.
Wildlands Response: No maintenance is anticipated;the response to comment 6 addresses BMP
maintenance in more detail. EPA Comment 11 pertains to this as well.
12. Figure 11:Please correct the Wetland Rehabilitation ratio from 1:5 to 1.5:1.
Wildlands Response: Figures 10 and 11 have been updated accordingly.
EPA Comments, Todd Bowers:
1. Section 3.2/Page 5:Arundinaria gigantea, giant cane, was noted on-site. Was there any discussion or
consideration of transplanting this species and using it some locations such as in the vicinity of UT2,
UT3 or within the BMPs?
Wildlands Response:Arundinaria gigantea is not a plant species that Wildlands has significant
experience transplanting on mitigation sites and questions remain on how successful it might be
after transplanting. Likewise, concerns have been raised about monocultures developing if
transplanting is highly successful. For these reasons, discussion of transplanting Arundinaria
gigantea has not been included in the Mitigation Plan or proposed on the Site.
2. Section 3.3/Page 13: The NCSID form for UT1B "upper"only scores 15.5 here for the"intermittent"
portion. This is below the score of 19 normally utilized to denote intermittent streams. Please note if
best professional judgement if the score is to be overridden.
Wildlands Response:The score on the NCSID form for UT1B Upper was calculated incorrectly and
omitted the score from "Section C. Biology" of the assessment. When the Biology score is added to
7

the assessment,the total points sum to 21.5 and scores as an intermittent stream.The NCSID form
has been corrected and is located in Appendix 3.
3. Section 4.0/Page 17:Is there a Clean Water Act Section 402 NPDES permit associated with the
adjacent cattle operation?
Wildlands Response:As summarized in table below,the cattle operation (Eaker Dairy, Inc.) has an
active Cattle Waste Management System General Permit.The permit number is AWC36004 and
expires in 2024. Records indicate that it was last inspected on 12/21/20. Please also refer to our
response to Corps comment 6.
Eaker Dairy, Inc:
Animal Feed Operation Permits
Facility: Eaker Dairy,Inc.
Owner: Eaker Dairy Inc
Permit#: AWC360004
Permit Type: Cattle State COC
Permit Status: Active
Originally Issued: 6/7/2001
Effective Until: 9/30/2019
Expiration Date: 9/29/2024
Facility Status: Active
Owner Type: Non-Government
County: Gaston
DEQ Region: Mooresville
Last Inspected: 12/21/2020
Description: Cattle-Milk Cow
Allowable Count: 1,000
Total Live Weight: 1,400,000
4. Table 16/Page 20:Preservation is the proposed approach for UT1B and the mitigation activities
associated with this reach are quite extensive. How is preservation justified?I am also concerned
with the rather narrow buffer along the right bank that I am unclear as to how this was derived as
appropriate.
Wildlands Response:The narrow buffer along the right bank was indicated by easement figures at
the proposal stage based on negotiated landowner easement conditions. It was deemed preferable
to obtain some protection for this area and settle for a narrow buffer. As noted in USACE Browning
comment 2, multiple activities are required in this area. Per suggestions from USACE and DWR,
UT1B has been designated a low-level enhancement (Ell) reach at an 8:1 credit ratio.The mitigation
plan has been updated accordingly.
8

5. Table 16/Page 21:Please add ratios for wetland re-establishment and creation.
Wildlands Response:Table 16 has been updated accordingly.
6. Section 6.6.8/Page 31: The 15-foot easement for UT18 is only for minimum crediting.At 10:1 this
needs to be reduced further(30%?) to account for the thin buffer along the right bank. I remain
dubious about crediting this mostly intermittent reach at the preservation ratio even at 10:1,
however since UT 2 and UT3 are being built for no credit this may provide balance in crediting for the
site. I may have missed some discussions with the IRT that could shed light on this.
Wildlands Response: USACE has suggested UTB1 be designated as a low-level enhancement reach
at an 8:1 credit ratio and the mitigation plan has been updated accordingly to reflect this suggestion.
Normal enhancement for this level of enhancement may be in the 4:1 range based on the proposed
activities. Wildlands is not proposing credit for UT2 & UT3.
7. Section 6.9/Page 37:Please correlate the target community types with the Planting List Planting
Zones of Table 28.
Wildlands Response:The Species correlating to target communities have been added to the
beginning of Section 6.9 for reference to the species in Table 28.
8. Table 30/Page 42:I am a bit uncomfortable with no monitoring proposed for UT2 and UT3 even if no
credit is being sought. These reaches should have some minimum amount of monitoring(initial
longitudinal profile would be a good start;visual assessments are a must) to ensure they are stable
and not contributing any adverse effects towards Oak Hill Creek. I also recommend including a
monitoring component to ensure the BMPs are functioning as proposed.
Wildlands Response: Footnote 6 has been added to Table 30 to clarify additional visual assessment
requirements for UT2, UT3, and the proposed BMPs:
"6. Visual assessment to include UT2 and UT3 as well as photos of BMP inlets and outlets for the as-
built and MY1 reports."
A topographic survey of UT2& UT3 will be performed as part of the as-built and will serve as a
baseline. The total vertical drop from these tributaries to the mainstem channel is only 1' and grade
control riffles are proposed—as such, detailed longitudinal profile data is not judged to be necessary
to track vertical stability.
9. Table 32/Page 45:Reiterating my misgivings for 10:1 preservation credit for an intermittent stream
with thin riparian buffer.
Wildlands Response: Noted, please see prior responses related to the updating of UT1B from a
preservation reach (10:1 credit ratio)to an enhancement II reach (8:1 credit ration).There is
considerable work required and we believe that the proposed credit is consistent with the level of
work proposed which may otherwise garner a higher ratio with a wider buffer in place.
9

10. Figure 9:Please add ratios for wetland re-establishment and creation. Please add ratios for stream
work. The ditch legend color differences are not readily apparent on the map.
Wildlands Response: Figure 9 has been updated to include: ratios for wetland re-establishment and
creation, stream crediting ratios, and revised symbology for ditches proposed to be filled for
clarification.
11. Appendix 10:Recommend adding BMPs to the maintenance plan even if they will likely not need any
upkeep to keep them functioning properly.
Wildlands Response: USACE responses to comments 6& 12 address BMP maintenance.
12. General Note:Are the fences for the site to exclude cattle corresponding with the conservation
easement boundaries?Are fences to be installed along the internal crossing boundaries as depicted
in Sheets 2.2 and 2.10?
Wildlands Response:A fencing plan has been added to the Planset depicting planned locations for
fencing and gates at the Site (see Sheet 6.4 in Revised Planset). Note that landowners have not
decided with certainty if they will continue to graze the right side of UT1.They reserve the right to
accomplish cattle exclusion from the conservation easement via a method other than fencing (e.g.
removal). Gates may be moved or resized at the designer's discretion.
13. General Note:recommend adding a legend for BMP planting zones and providing a species list for
these zones.
Wildlands Response:See response to comment 1, USACE Kim Browning above.
14. Sheet 4.1 Planting List:Recommend adding target plant communities to correlate with planting
zones. Recommend adding plant list for the BMP planting zone.
Wildlands Response:The species correlating to plant communities have been added to the
beginning of Section 6.9 of the Mitigation Plan.
Notes for which species should be planted in the BMP areas are now included on the Planting List
Sheet in the Planset (Sheet 4.1). Planting is specified as herbaceous plugs and wetland seed mix
within the basin, and livestakes and wetland seed mix along the banks. Sheet 5.3 provides a detail
for the BMP and serves as a guide on the specific locations within the BMP where plugs and
livestakes should be planted.
DWR Comments, Erin Davis:
1. DMS Comments Page 2—DWR shares DMS'concern about the 10-ft building setback from the
proposed easement. Have there been discussions with the landowner and DEQ Stewardship
specifically regarding this deviation from the recommended 15-ft setback and any implications for
long-term management/potential future encroachment requests?
Wildlands Response: DMS has reviewed this with their Stewardship staff and they have indicated
that Stewardship is OK with the easement as drawn in this case.The landowner is being reminded
10

that the clearance on the easement is tight in this area and that future encroachment will not be
permitted for building-related activities.
2. DMS Comments Page 5—DWR recommends adding a few alternate species to the planting list for
review and approval in the Final Mitigation Plan, particularly if they are a "more suitable plant
species for a community".
Wildlands Response:Wildlands has added community appropriate species in the course of
addressing other comments. As necessary, percentages will be adjusted and if required additional
alternate species will be reviewed with the IRT for approval prior to substitution.
3. Page 2, Section 3.1 —DWR appreciates the level of detail provided, including descriptions of historic,
existing and future watershed land use.
Wildlands Response: Comment noted.
4. Page 12, UT1 —DWR supports removal of black walnut clusters onsite since we have observed
projects where they have inhibited the establishment of high restoration value planted species.
Wildlands Response: Comment noted. In doing research on walnut toxicity, it appears that many of
the trees and shrubs proposed for planting, particularly some of the more dominant species such as
river birch and sycamore, are tolerant of its allelopathic qualities. Also,the chemical (Juglone)that
has leached out via leaf litter as well as the roots takes several years to fully break down. We
anticipate removing many of the walnut clusters but do not consider complete removal imperative
for long term success of the project.
5. Page 16, Section 3.5—DWR appreciates the level of detail provided in this section, as well as efforts
made to have the stream crossings as internal easement breaks, collocate crossings and remove one
of the OH utility lines. Please confirm that the sewer easement can be internal to the project.Also, is
there any anticipated NCDOT maintenance for the culverts under Roy Eaker Road and Robert Road?
Wildlands Response: DMS' standard conservation easement template allows for this under
paragraph P which is referenced below. This carries the additional benefit that cattle must be
excluded from the internal crossing area.
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P. Crossing Areas. "Grantor reserves the right to the Internal Crossing Areas as shown on
the "Conservation Easement Survey for the State of North Carolina NCDEQ: Division of
Mitigation Services, Site, SPO File No. XX-XX, DMS Site ID No.
Property of and recorded in the
County,North Carolina Register of Deeds at Plat Book Page_ _
for the following purposes:
• Motorized vehicle crossing;
• Utility crossings to include overhead and buried electrical,water lines and sewer lines;
• Cattle crossing so long as fencing across a culvert in the Crossing Area prevents cattle
access to the stream,or a ford crossing is kept gated and cattle are only present in the stream
only under supervision while rotating cattle between pastures;and/or
• Installation,maintenance,or replacement of a culvert or ford crossing.
The Grantor may request permission to vary from the above restrictions for good cause
shown, provided that any such request is not inconsistent with the purposes of this Conservation
Easement, and the Grantor obtains advance written approval from the Division of Mitigation
Services, 1652 Mail Services Center, Raleigh,NC 27699-1652.
Wildlands is not aware of any anticipated maintenance of these structures. At Robert Road,there
will be no fencing on the right bank of the stream and the last length of stream is uncredited due to
insufficient width. NCDOT would have to coordinate access beyond their right-of-way if required for
maintenance at Roy Eaker Road or Robert Road.
6. Page 27, Section 6.5—Again, DWR appreciates the site specific discussion presented, including bank
slope adjustment and wetland credit area setback in anticipation of levy formation.
Wildlands Response:Comment noted.
7. Page 31, Section 6.6.8—Based on the UT1B reach description on Page 13, DWR does not believe the
reach reflects the high quality condition appropriate for preservation credit. Given the current reach
condition and potential uplift from the work proposed, DWR would support an enhancement credit
ratio of 8:1.
Wildlands Response:Wildlands has revised the mitigation plan accordingly to reflect that UT1B be
credited at an 8:1 ratio as enhancement II—see response to USACE comment 2.
8. Page 31, Section 6.6.9—DWR would not oppose crediting the proposed UT2 and UT3 extension
reaches since it will result in additional instream habitat and the work is associated with restoring
Oak Hill Creek to its proper valley position. If credit is pursued, additional baseline information and
proposed monitoring should be included in the Final Mitigation Plan.Also, please note that
depending on the final UT2 and UT3 culvert design (location and total impact), a separate 401 Water
Quality Certification may be needed to cover the proposed work.
Wildlands Response: Please refer to the response to USACE comment 7 related to the omission of
crediting for UT2 and UT3 and USACE comment 5 related to proposed culverts which are all
replacement structures with no additional jurisdictional impacts beyond the original footprint of the
existing structures.
12

9. Page 35, Section 6.7.5—a. Was levy formation resulting in reduced overbank flow a consideration in
proposed wetland design and proposed uplift?Does the setback of the wetland credit areas take into
consideration the drainage effect along proposed Priority 2 stream sections?
Wildlands Response:The primary factor controlling wetland and floodplain hydrology at the Site are
the incised streams and human manipulation of the floodplain topography(ditch construction and
berm/sidecast pile areas). Natural levy formation may play a role in stream incision at the Site, but
was not considered to be a more important factor than human manipulation of the stream
channels. All wetland credit areas were setback from proposed stream channels and Priority 2 areas
to avoid the drainage effect from those areas.
b.Also, similar to P2 bench cuts, DWR is concerned with soil development and associated vegetation
establishment in proposed wetland grading areas. Please include a discussion on soil restoration
addressing compaction and poor soil quality.
Wildlands Response:Wildlands' wetland grading specifications typically require compaction to be
addressed upon completion of wetland grading. Depending on available equipment, wetland areas
are loosened/roughened with a field disk or chisel plow. Poor soil quality areas are noted during
construction and are typically addressed with soil amendments or the harvesting and re-application
of topsoil if deemed necessary by the Designer.
c. Based on DWR's field notes from the IRT site walk, we questioned whether UT1/Wetland 2 was
eligible for reestablishment credit based on current soil characteristics. Based on the bright soil color
and lack of indicators observed, we felt that creation was a more appropriate credit type.
Additionally, a substantial area of this wetland is proposed to be graded beyond 12 inches. DWR
supports the hillside toe area associated with the F3 indicator borings as reestablishment, and the
remaining area as creation.
Wildlands Response:The existing floodplain topography in this location, soil boring data, and aerial
photography all suggest that wetlands existed at the original floodplain surface prior to
manipulation with this data and interpretation noted in the mitigation plan and subsequent agency
dialogue that has been added to Appendix 7.This is the rationale for proposing reestablishment
crediting where deeper excavation is necessary.The presence of brighter soils in the upper profile
lead agency representative to indicate that new evidence/justification would need to be presented
to support an approach other than creation.
We believe that our subsequent soil investigation, research and analysis support the original
proposed approach, in this instance, and point to specific anthropogenic impacts that led to the
current Site conditions where hydric soils have been buried.This grading also supports a holistic
stream valley grading approach that will improve stream stability by establishing a natural floodplain
width consistent with less altered floodplain areas within the corridor.As such, we request that the
entire area proposed remain eligible for reestablishment crediting.
d. DWR also has concerns with the potential functional uplift associated with Wetland 4, given that it
is adjacent to an enhancement I reach with a P2 section (hydroperiod concern)and a substantial
area will be graded beyond 12 inches(veg establishment concern).
13

Wildlands Response:Wetland soil indicators currently exist within the proposed wetland 4
boundary.The design will raise the thalweg of the stream in this area and increase stream access to
the floodplain when compared to existing conditions. Poor soil quality areas will be noted during
construction and are typically addressed with soil amendments or the re-application of topsoil if
deemed necessary by the Designer.
10. Page 36, Section 6.8—Given the adjacent land use, the proposed BMPs are critical project features.
DWR appreciates that the easement was expanded to accommodate BMP 2. Please clearly state if
the designed BMPs will require maintenance beyond the monitoring period. If so, consultation with
DEQ Stewardship is needed.
Wildlands Response: No maintenance will be required for BMPs beyond initial adaptive
management as necessary during the monitoring period.The long-term function of these BMPs, if or
when volume storage is reduced, will be as vegetated filter strips.
11. Page 37, Section 6.9—In addition to early successional species, DWR would like to see the inclusion
of climax species from the selected target communities in the planting plan.
Wildlands Response: Please see the updated planting plan based on this and other comments.
12. Page 39, Section 6.10—DWR values the addition of this section. DWR is also concerned with the
presence of so many invasive species onsite, particularly bamboo, kudzu and Japanese knotweed.
Please expand on your discussion of risks associated with these invasives for site management and
long-term functional uplift.
Wildlands Response:We have added additional discussion about the risks and proposed risk
reduction activities to be performed in Section 6.10. Beyond monitoring, Wildlands continues to
invest significant resources into Stewardship staff and subconsultants to address these types of
concerns.
13. Appendix 8—We appreciate the level of detail provided for the proposed species treatments.
Bamboo, cattail and marsh dewflower were also mentioned in the plan narrative, please add these
species to the appendix table.
Wildlands Response: Bamboo has been added to the table. Cattail is not a primary target species for
treatment except in project streams although it may be treated to reduce the likelihood of a
monoculture establishing and/or due to impacts to targeted density of woody plant growth.
Methods will be determined if treatment becomes necessary. Marsh dewflower is synonymous with
Asian spiderwort. We have had limited success treating this species despite repeated treatments.
14. Figure 11 —
a. DWR understands that 16 veg plots are proposed to cover the 19.9 acre planted area.
However, we request two additional permanent veg plots:1) within the UT1 Reach 1 wetland
creation area and 2) within the Wetland 4(Oak Hill Creek Reach 1).
Wildlands Response:As requested,two permanent veg plots were added in the designated
wetland locations on Reaches 1 of UT1 and Oak Hill Creek.
14

b. DWR requests photos of the BMP inlets and outlets in the as-built and MY1 report.
Wildlands Response:As stated in a response to a prior comment, Footnote 6 has been added to
Table 30 to clarify additional visual assessment requirements for the proposed BMPs (and UT2
and UT3):"6. Visual assessment to include UT2 and UT3 as well as photos of BMP inlets and
outlets for the as-built and MY1 reports."
15. Sheet 2.2& 2.10—Please callout proposed easement breaks and show culvert locations on profiles.
Wildlands Response: Callouts have been added to profiles indicating easement break stationing.
Culverts have been added to profiles to depict location and size.
16. Sheet 2.4& 2.8—Please add a callout for the BMP outlet structure.
Wildlands Response:Callouts have been added to Sheets 2.4 and 2.8 indicating the approximate
locations of the BMP outlet structure.
17. Sheet 2.8—Does the rectangle grading line along the UT1 left bank near Station 208+50 denote a
concentrated flow connection?Do you anticipate any riprap placement in this area?
Wildlands Response:This was an errant line related to design sketching not meant to be included in
the planset. However,this area is expected to receive much of the outlet flow from the nearby BMP.
At Oak Hill Dairy, Wildlands prefers to use broad and low slope conveyances from the BMP to the
stream to encourage as diffuse of flow across the buffer as possible.These conveyances are
expected to be stabilized with a combination of vegetation and erosion control matting. If matting
and vegetation prove to be inadequate, some riprap may be used to stabilize select areas as a
secondary option.
18. Sheet 3.1 —3.4—Please add callouts for existing ditches and known drain tile locations. If possible,
please also call out approximate locations of proposed wetland ditch plugs.
Wildlands Response: Figure 2 shows existing ditch locations at the Site and Figure 9 shows which
ditches are proposed for removal or plugging and which ditches will remain in place. A note
indicating to remove all subsurface drains was added to Sheet 3.4.The Wetland Ditch Plug detail is
meant to guide the backfilling of ditches or relic channels at the Site and will be applied throughout
these areas rather than in specific locations.
19. Sheet 4.1 —a. Based on past projects, has there been any concern with seeding Polygonum
pensylvanicum due to its height(up to 4 FT)and establishment rate inhibiting/competing with
planted woody stems?b. DWR requests that no species(excluding live stakes)account for more than
20 percent of a specified planting zone in order to promote diversity(e.g. Sycamore).
Wildlands Response:This is a good point; we have seen it get tall and compete in certain
settings and have reduced the percentage. For the wetland seed mix, Polygonum was
reduced in favor of a pollinator species to help address WRC comment 1.
15

20. Sheet 5.4—DWR appreciates the inclusion of the Floodplain Roughening detail, including the callout
for LWD placement.
Wildlands Response: Comment noted.
21. Sheet 5.6—Wetland Ditch Plug—Does this detail also apply to existing/relic channel plugs?If
channel plugs are proposed, we would like to see approximate locations shown on the plan view
drawings.
Wildlands Response: The Wetland Ditch Plug detail is meant to guide the backfilling of ditches or
relic channels at the Site and will be applied throughout these areas rather than in specific locations.
Wildlands wants to ensure that contractors are using suitable backfill material, removing organic
debris from the channels, and compacting the backfill material properly.
22. Design Plan—Please include an overview fencing plan showing proposed fence and existing fence to
remain, as well as approximate locations of anticipated gates.
Wildlands Response: See comment 12,Todd Bowers EPA above.
Please contact me at [phone] if you have any questions.
Sincerely,
4+0a-1--)7h[ 'mil
lJ
Jacob McLean, PE, CFM
16

PREPARED BY:
WTI DI,ANDS
RINC;
Wildlands Engineering, Inc.
167-B Haywood Road
Asheville, NC 28806
Phone: [phone]
This mitigation Plan has been written in conformance with the requirements of the following:
• Federal rule for compensatory mitigation project sites as described in the Federal Register Title
33 Navigation and Navigable Waters Volume 3 Chapter 2 Section §332.8 paragraphs (c)(2)
through (c)(14).
• NCDEQ Division of Mitigation Services In-Lieu Fee Instrument signed and dated July 28, 2010.
These documents govern DMS operations and procedures for the delivery of compensatory
mitigation.
Contributing Staff:
Jake McLean, PE, CFM Project Manager Jacob Wiseman, PE, CFM,Stream/Wetland Design
Shawn Wilkerson, Principal in Charge Jordan Hessler, Project Scientist, Designer
Ian Eckardt, PWS, Wetland Delineations Eric Neuhaus, PE, Wetland Review
Scott Gregory, Mitigation Plan Development Jesse Kelley, Construction Documents
Josh Short, El,Stream and BMP Design Emily Reinicker, PE, CFM, Lead Quality Assurance

T'
1,0 Introduction 1
2,0 Basin Characterization and Site Selection 1
3.0 Baseline and Existing Conditions 2
3.1 Watershed Conditions 2
3.2 Landscape Characteristics 3
3.3 Project Resources 5
3.3.1 Existing Streams 5
3.3.2 Existing Wetlands 14
3.4 Overall Functional Uplift Potential 15
3.5 Site Constraints to Functional Uplift 15
4.0 Regulatory Considerations 17
4.1 Biological and Cultural Resources 17
4.2 FEMA Floodplain Compliance and Hydrologic Trespass 17
4.3 401/404 18
5.0 Mitigation Site Goals and Objectives 18
6.0 Design Approach and Mitigation Work Plan 19
6.1 Stream Design Approach Overview 21
6,2 Reference Streams 21
6.3 Design Discharge Analysis 23
6.4 Design Channel Morphological Parameters 23
6.5 Sediment Transport Analysis 27
6.6 Stream Design Implementation 29
6,6,1 OHC Reach 1 29
5.6.2 OHC Reach 2 30
6.6.3 OHC Reach 3 30
6.6.4 OHC Reach 4 30
6.6.5 UT1 Reach 1 30
6.6.6 UT1 Reach 2 30
6.6.7 UT1A 30
6.6.8 UT1B 31
6.6.9 UT2 and UT3 31
6.7 Wetland Design Approach Overview 31
6.7.1 Hydric Soils Investigation 32
6.7,2 Reference Wetlands 33
63.3 Measured Hydrologic Data 33
6.7.4 Existing Wetland Manipulation and Drainage 34
6.7.5 Proposed Wetland Design 35
6.8 Stormwater BMPs 36
6.9 Vegetation, Planting Plan, and Land Management 37
6.10 Project Risk Management 39
7.0 Performance Standards 40
8.0 Monitoring Plan 42
9.0 Long-Term Management Plan 44
10.0 Adaptive Management Plan 45
11.0 Determination of Credits 46
12,0 References 47

TABLES
Table 1: Project Attribute Table Part 1 1
Table 2: Project Attribute Table Part 2 3
Table 3: Project Soil Types 4
Table 4: Oak Hill Creek(OHC) Reach 1 Attribute Table 6
Table 5: OHC Reach 2 Attribute Table 7
Table 6: OHC Reach 3 Attribute Table 8
Table 7: OHC Reach 4 Attribute Table 9
Table 8: UT1 Reach 1 Attribute Table 10
Table 9: UT1 Reach 2 Attribute Table 11
Table 10: UT1A Attribute Table 12
Table 11: UT1B Attribute Table 13
Table 12: Project Attribute Table Part 4 14
Table 13: Summary of Site Easement Crossings and Breaks 16
Table 14: Regulatory Considerations Attribute Table 17
Table 15: Mitigation Goals and Objectives 18
Table 16: Stream and Wetland Stressors and Restoration Approach 20
Table 17: Stream Reference Data Used in Development of Design Parameters 22
Table 18: Summary of Design Bankfull Discharge Analysis 23
Table 19: Summary of Design Morphologic Parameters for OHC R1 23
Table 20: Summary of Design Morphologic Parameters for OHC R2 24
Table 21: Summary of Design Morphologic Parameters for OHC R3 24
Table 22: Summary of Design Morphologic Parameters for OHC R4 25
Table 23: Summary of Design Morphologic Parameters for UT1 Reach 1 25
Table 24: Summary of Design Morphologic Parameters for UT1 Reach 2 26
Table 25: Summary of Design Morphologic Parameters for UT1A 26
Table 26: Results of Competence Analysis 28
Table 27: Existing Groundwater Monitoring Gage Data and Analysis Results 34
Table 28: Planting List 38
Table 29: Summary of Performance Standards 41
Table 30: Monitoring Components 43
Table 31: Long-term Management Plan 44
Table 32: Project Asset Table 46
FIGURES
Figure 1 Vicinity Map
Figure 2 Site Map
Figure 3 Watershed Map
Figure 4 USGS Topographic Map
Figure 5 Soils Map
Figure 6 FEMA Map
Figure 7 Reference Reach Vicinity Map
Figure 8 Design Discharge Analysis
Figure 9 Concept Design Map
Figure 10 Wetland Grading Depth Map
Figure 11 Monitoring Components Map
Figure 12 Proposed Planting Zone Map

APPENDICES
Appendix 1 Historic Aerial Photos
Appendix 2 Preliminary Jurisdictional Determination
Appendix 3 DWR, NCSAM, and NCWAM Identification Forms
Appendix 4 Supplementary Design Information
Appendix 5 Wetland Design Documents and Data
Appendix 6 Categorical Exclusion Checklist and Summary
Appendix 7 NCIRT Communications
Appendix 8 Invasive Species Treatment Plan
Appendix 9 Site Protection Instrument
Appendix 10 Maintenance Plan
Appendix 11 Financial Assurance
Appendix 12 Preliminary Plans
Appendix 13 Credit Release Schedule

1.0 Introduction
The Oak Hill Dairy Mitigation Site (Site) is in Gaston County approximately 2 miles northeast of
Cherryville and 7 miles southwest of Lincolnton (Figure 1).The Site is within the NC Division of
Mitigation Services (DMS) Lower Indian Creek targeted local watershed Hydrologic Unit Code (HUC)
03050102050010 and the NC Division of Water Resources (DWR) Subbasin 03-08-35, and will provide
stream and wetland credits in the Catawba 03 Expanded Service Area.The project proposes to restore,
enhance, and preserve impaired streams.Wetland re-establishment is proposed to restore a stream-
wetland complex, and best management practices (BM Ps) are proposed at points of concentrated
agricultural runoff.The existing streams are presented in Figure 2.The work proposed on the Site will
provide 4,618.933 stream credits and 7.680 riparian wetland credits and will be protected in perpetuity
by a 20.4-acre conservation easement.
Table 1: Project Attribute Table Part 1
Project Information
Project Name Oak Hill Dairy Mitigation Site
County Gaston
Project Area(acres) 20.4
Project Coordinates(latitude and longitude) 35.403339 N,81.351724 W
Planted Acreage(acres of woody stems planted) 19.9
2.0 Basin Characterization and Site Selection
The Site is in the Catawba 03 Expanded Service Area, which is composed of a mix of forested land (47%),
agricultural land (30%), urban areas (18%). Forested land is predominantly located within the upper
portion of the basin, while the agricultural land and urban areas are more concentrated to the central
and lower portions of the basin, respectively.The major developed areas include Hickory, Newton,
Lincolnton, Gastonia, and Belmont, and the main roadways consist of US-321, 1-40, and 1-85. Indian
Creek, the receiving waters for the Site which is shown in Figure 1, is 303(d) listed as impaired for
exceeding the narrative criteria to protect aquatic life in fresh water,which means the water is not
suitable for aquatic life propagation and maintenance of biological integrity. Multiple conservation and
watershed planning documents outline water quality goals and objectives for the broader Catawba River
basin and the smaller Indian Creek basin as summarized below:
• The 2007 (amended 2013) Catawba River Basin Restoration Priorities (RBRP) lists restoring
impaired waters by removing conditions causing sediment impairments and improving
management to reduce direct cattle impacts to streams as goals for the watershed. Indian Creek
is discussed specifically in the RBRP with the priority to improve agricultural non-point source
pollution on this rural creek.
• The 2015 North Carolina Wildlife Resource Commission's (NCWRC)Wildlife Action Plan (WAP)
notes that sedimentation, loss of riparian woody vegetation, water withdrawals, channelization
and/or relocation, point source pollution, and nutrient loading are the primary causes of stream
habitat degradation in the Catawba River basin.
• The 2008-2010 Indian Creek and Howards Creek Local Watershed Plan (LWP) documents
identified major functional stressors in the watershed as channelization and stream dredging;
incised channels and unstable stream banks; degraded and deforested riparian buffers;
Oak Hill Dairy Mitigation Site Final Mitigation Plan
DMS ID No. 100120 Page 1 March 22,2021

degraded wetlands; livestock access to riparian buffers and streams; and fecal coliform and
nutrient inputs.
o The Site is located in subwatershed 1-14, as defined in the Indian Creek and Howards
Creek LWP. Subwatershed 1-14 is specifically prioritized in the document as being a good
candidate for agricultural BMPs.
o The Site was identified in the Indian Creek and Howards Creek LWP Project Atlas as R-
104(Oak Hill Creek and UT1). R-104 was ranked in the highest priority category(Tier 1)
for a potential stream restoration project in the Indian Creek watershed with the
recommendation of bank stabilization, channel realignment and reconnection with the
floodplain, and riparian buffer restoration.
The Site was selected due to its ability to support local watershed objectives and goals by excluding
livestock, creating stable stream banks, restoring a forest in agriculturally maintained buffer areas, and
implementing agricultural BMPs.These actions will reduce fecal, nutrient, and sediment inputs to
project streams, and ultimately to Indian Creek, South Fork Catawba River, and the Catawba River, as
well as reconnect instream and terrestrial habitats on the Site. Restoration of the Site is directly in line
with recommended management strategies outlined in the LWP and RBRP.
3.0 Baseline and Existing Conditions
3.1 Watershed Conditions
The Site watershed (Table 2 and Figure 3) is situated on the partially developed, northeast edge of
Cherryville in Gaston County, within the Piedmont.The Piedmont is characterized by gently rolling, well-
rounded hills with long low ridges, with elevations ranging anywhere from 300 to 1500 feet above sea
level.The Site topography and relief are typical for the region, as illustrated in Figure 4. Generally,
valleys onsite are unconfined and alluvial, and valley slopes tend to flatten as elevation decreases.
Site streams are classified as Class C waters and are protected for secondary recreation,fishing and fish
consumption, wildlife, aquatic life, and agriculture.
The Site watershed includes the subwatersheds of Oak Hill Creek, UT1, UT1B and UT1A. Land use within
the overall watershed includes a mix of forest, agriculture, and some development, including single-
family homes and commercial use along NC 150(Lincolnton Highway). While the land use of the Site
watershed is predominantly rural, Oak Hill Creek drains a large portion of the town of Cherryville and
may be considered an urban channel with an estimated 11.6%impervious cover in its 1.7-square mile
watershed (Figure 3).
The Oak Hill Creek subwatershed is the largest contributing drainage area to the Site, the majority of
which lies offsite to the south.The southern and eastern headwaters of this subwatershed are bound by
a combination of Tot Delinger Road, Lincolnton Highway(NC 150), single-family neighborhoods and a
large commercial trucking facility, all of which comprise the largest proportion of impervious area
contributing to Oak Hill Creek.The central, flatter portion of the Oak Hill Creek subwatershed is
occupied by the Cherryville Golf and Country Club which has minimal riparian buffers and has expanded
within the last decade with the clearing of additional forest land.
The subwatershed of UT1 is 0.5 square miles where it enters the site and is bound to the west by Tot
Delinger Road and to the east by Roy Eaker Road which are generally bordered by low density
residential land use.The subwatershed contains a larger proportion of forest land compared to Oak Hill
Creek. Most of the riparian corridor along UT1 that drains to the Site contains a forested buffer.The
Oak Hill Dairy Mitigation Site Final Mitigation Plan
DMS ID No. 100120 Page 2 March 22,2021

forested buffer narrows within the downstream half of the subwatershed along the left floodplain,
including within the project Site, where active cattle pastures are situated.
Subwatersheds UT1A and UT1B are small drainage areas that flow into UT1. UT1A drains active cattle
pasture and feeding area on the Site and UT1B drains residential and forested land as well as a grass
field.
The Oak Hill Creek watershed is located just outside of the city limits of Cherryville but within its
extraterritorial jurisdictional (ETJ) boundary. According to the Gaston County 2035 Comprehensive Land
Use Plan, some expansion of existing commercial and residential land uses is expected in the future, but
the area is likely to be balanced by the preservation of agricultural lands and open space, and thus
continue to serve more as a "rural development pocket" (Gaston County Planning& Development
Services, 2016).The land within these watersheds is zoned for Highway Business, Manufactured Home
Parks, Manufacturing, and Residential Limited.
A review of historic aerials (Appendix 1)from 1950 to 2016 shows that onsite streams have remained in
the same landscape position for the past 60 years.The agricultural management of the land has also
remained consistent with the following exceptions:
• The dairy waste lagoon that exists today on the project parcel (just south of the larger pond)
was constructed between 2006 and 2009.The lagoon is a no-discharge facility.
• The larger pond in the northeast corner of the Site (that is routed under Robert Road, and joins
Oak Hill Creek offsite) was constructed between 1964 and 1973.
• Most of the larger structures on the project parcels were constructed between 1973 and 1976,
but the two large feed barns located to the south and west of the waste lagoon were built in the
last 15 years.
Table 2: Project Attribute Table Part 2
Project Watershed Summary Information
Physiographic Province Piedmont
Ecoregion Southern Outer Piedmont
River Basin Catawba River
USGS HUC(8 digit,14 digit) 03050102,03050102050010
NCDWR Sub-basin 03-08-35
Stream Thermal Regime Warm
Project Drainage Area(acres) 1,070(Oak Hill Creek)
Project Drainage Area Percentage of Impervious Area 11.6%(Oak Hill Creek)
2011 NLCD Land Use Classification Oak Hill Creek UT1 UT1A UT1B
Forested 40% 54% - 65%
Agricultural 24% 32% 84% -
Developed 36% 14% 16% 35%
Note: Land Use Source—National Land Cover Database 2016(NLCD 2016),Multi-Resolution Land Characteristics(MRLC)
consortium,https://www.mrlc.gov/national-land-cover-database-nlcd-2016 and visual assessment of the 2019 aerial.
3.2 Landscape Characteristics
The Site is in the Cat Square terrane of the Piedmont physiographic province which is composed of
deformed metamorphic rocks that have been intruded by younger granitic rocks.The underlying
geology of the Site is mapped as Cherryville Granite (Mc) from the Mississippian Period (330 to 360
Oak Hill Dairy Mitigation Site Final Mitigation Plan
DMS ID No. 100120 Page 3 March 22,2021

million years in age).The formation is described as massive to weakly foliated; containing pegmatites
that are lithium bearing on the eastern side of the formation. Site streams are predominantly gravel-bed
streams, although a bimodal distribution reflects the large quantity of fines coming from both upstream
and within the Site. No exposed bedrock was observed within the Site.
The soils in ecoregion 45b, Southern Outer Piedmont, consist of mostly quaternary to tertiary aged
sandy clay, clay, micaceous clay, and sandy saprolites with rock outcrops and joint block boulders.The
predominant Site floodplain soils on site are described in Table 3 below and depicted in Figure 5. Large
portions of active cattle pasture bordering the Site are mapped as Wedowee and Pacolet Sandy Loam
soils which are highly susceptible to erosion in bare areas and could be indicative of the high sediment
load observed within the channel.
Table 3: Project Soil Types
Soil Name Description
This series consists of Appling Sandy Loam (ApB)on a small section of UT1A floodplain.ApB is
Appling Sandy composed of well drained soils on smooth ridges ranging in slopes of 1 to 6%.The upper 10
Loam inches is a brown sandy loam surface layer.The shrink-well potential is low and permeability is
moderate.
This series consists of Chewacla Loam (ChA)on slopes ranging from 0 to 2%.The majority of
Chewacla Oak Hill Creek and UT1 is Chewacla Loam; somewhat poorly drained soils located on
Loam floodplains.This soil is frequently flooded, permeability is moderate,and the shrink-swell
potential is low.The upper 10 inches is loam and the below is sandy clay loam until bedrock
with a depth of more than 5 feet.
This series consists of Helena Sandy Loam (HeB)along UT1A.This soil is moderately well
Helena Sandy drained and found on smooth ridges,toe slopes and drainageways.The permeability is slow,
Loam and the shrink-swell potential is high.There is a moderate hazard of erosion in bare areas,as
the soil is found on slopes ranging from 1 to 6%.The upper 8 to 12 inches is sandy loam with a
subsoil of clay and clay loam.
Lloyd Sandy This series consists of Lloyd Sandy Clay Loam (LdB2)found on the outer floodplain of UT1A.
Clay Loam The soil is well drained and found on interfluves on slopes ranging from 2 to 8%.The upper 7
inches is clay loam with subsoil of clay and is moderately eroded.
This series consists of Pacolet Sandy Clay Loam (PaD2)along UT1.The soil is well drained and
Pacolet Sandy found on narrow ridges and side slopes ranging from 8 to 15%.The permeability is moderate,
Clay Loam and the shrink-swell potential is low.The upper 7 inches is sandy clay loam with subsoil of clay
and is moderately eroded.
This series consists of Pacolet Sandy Loam (PaE)along Oak Hill Creek and UT1.The soil is well
Pacolet Sandy drained on narrow ridges and steep side slopes ranging from 15 to 25%.This soil has a
Loam moderate permeability and low shrink-swell potential.The upper 6 inches is sandy loam with a
subsoil of clay.There is a very severe hazard of erosion where vegetation is removed.
This series consists Wedowee Sandy Loam (WeD)found along Oak Hill Creek.The soil is well
Wedowee drained and found on narrow ridges and side slopes ranging from 6 to 15%.The permeability
Sandy Loam and shrink-swell potential are moderate.There is high hazard of erosion in bare areas.The
upper 7 inches is sandy loam with a subsoil of clay loam.
This series consists of Worsham Loam (WoA)along Oak Hill Creek.The soil is poorly drained
Worsham and found on uplands around intermittent drainageways with slopes of 0 to 2%.The
Loam permeability is very slow,and the shrink-swell potential is moderate.The upper 6 inches is
loam with a subsoil of clay loam.
Source:Gaston County Soil Survey,USDA-NRCS,http://efotg.nrcs.usda.gov
Oak Hill Dairy Mitigation Site Final Mitigation Plan
DMS ID No. 100120 Page 4 March 22,2021

In general, the cattle pastures on the Site are dominated by pasture grasses such as fescue and millet
species with scattered trees along the top of bank. Row crop fields have previously been planted with
corn. Mature canopy species within these areas are primarily black walnut (Juglans nigra), tulip poplar
(Liriodendron tulipifera), river birch (Betula nigra),willow oak(Quercus phellos), sweet gum
(Liquidambar styraciflua), and sycamore (Platanus occidentalis). Shrub species are primarily Chinese
privet (Ligustrum sinense), multiflora rose (Rosa multiflora), and thickets of blackberry(Rubus spp.) In
addition to pasture grasses, the ground cover in these areas include some river cane (Arundinaria
gigantea), horsenettle (Solanum carolinense), beefsteak(Perilla frutescens), English ivy(Hedera helix),
and Japanese honeysuckle (Lonicera japonica).
3,3 Project Resources
3.3.1 Existing Streams
In May 2020, Wildlands investigated on-site jurisdictional waters of the United States (US) within the
proposed project area.The Site contains six unnamed tributaries (UT's)that have been assigned the
following names for the project: Oak Hill Creek, UT1, UT1A, and UT1B, UT2, and UT3. All tributaries
were deemed perennial except for UT1B which was deemed intermittent until just upstream of its
confluence with UT1 where it transitions to perennial flow.
Oak Hill Creek is the mainstem drainage of the Site; it originates off site and flows north and then east
through the project area. UT1 enters the Site through a culvert under Roy Eaker Road and flows east to
join Oak Hill Creek. UT1A originates off site and flows southeast to join UT1. UT1B is a small channel that
enters the Site through a culvert under Roy Eaker Road and flows east to join UT1. UT2 and UT3 are
small tributaries that drain into Oak Hill Creek from the right floodplain in the downstream third of the
project; mitigation credit is not being pursued for these two tributaries but both are proposed to be
extended in length to tie into the realigned mainstem channel of Oak Hill Creek.Jurisdictional stream
features are shown on Figure 2 and supporting documentation is provided in Appendices 2 and 3.
Geomorphic surveys were conducted on Site streams to characterize their existing condition. Existing
streams and cross section locations are illustrated in Figure 2. NCDWR stream assessment forms and
NCSAM forms are in Appendix 3 and reach specific cross sections and geomorphic summaries are
provided in Appendix 4.
Oak Hill Creek Reach 1
Oak Hill Creek Reach 1 begins at the upstream
Oak Hill Creek—Reach 1
property boundary and terminates at a sanitary _
sewer crossing. An advancing headcut has been _
arrested by a concrete-encased sewer crossing.The _ '
reach has a meandering geometry with consistent
and severe outer meander bend erosion. A high
existing terrace has eroded on the left bank and the - 3� -
valley wall on the right. Due to mid-and side-channel
bar formation in the ever-widening channel bottom, 4-•
erosion of the lower bench was also observed.
Hydraulic modeling shows that this bench is not - _
activated by flows less than the 10-year event.The
reach is bordered by a semi-wooded to forested
buffer on the right bank, where it is against the forested valley wall in many cases.The buffer along the
left floodplain is fragmented, consisting of a broad fallow field with a few clusters of mature trees.The
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reach lacks consistent woody vegetation and rooting depth along the left bank.The right bank lacks
canopy shading in places allowing for competition from invasive species establishment.
The channel classified as a Rosgen B4c-type channel due
to the benches that have formed within the overwide, Oak Hill Creek—Reach 1
incised channel; and is confined to one-third of its
.Y, r.
original floodprone area due to moderate entrenchment.
Instream habitats include riffles and pools, undercut
banks with root mats, woody debris, and leaf packs.Tree
of heaven (Ailanthus altissima) and privet were
commonly observed throughout the reach along both a
banks.Japanese knotweed (Polygonum cuspidatum) and r-
kudzu (Pueraria montana) are present in the lower
portion of the reach near the sanitary sewer crossing.
Table 4:Oak Hill Creek(OHC)Reach 1 Attribute Table
Reach Summary Information Oak Hill Creek—Reach 1 Downstream Limits
Parameters Oak Hill Creek
Length of Reach (Linear Feet) 581
Valley confinement Moderately f
(Confined, moderately �M
confined, unconfined)
confined
Drainage area (acres) 608
Perennial, Intermittent, ;; �" T
Ephemeral Perennial . •�1, �;.
NCSAM Score/Stream tr` 4;
Medium
Function
NCDWR Water Quality C � �.,� _ �
Classification• iww
Width to Depth Ratio(ft/ft) 14.4 "� : -
Bank Height Ratio (ft/ft) 2.4
Gradient(ft/ft) 0.0070 4. •�' � ; _
Reachwide d50(mm) 22.6 •
- r
Stream Classification (Existing t`
and Proposed) B4c/C4
•
Evolutionary Trend
V—aggradation
and widening
+. 1�
FEMA Zone Classification AE ='
•r r
Oak Hill Creek Reach 2
Oak Hill Creek Reach 2 begins downstream of the sanitary sewer easement where a riprap/concrete nick
point is present;the reach extends downstream to the confluence with UT1. As discussed in Section 6.7,
the reach was ditched prior to 1950 based on visual interpretation of aerial photography(Appendix 1).
Reach 2 is actively widening as a result of severely eroding outside bends. Reach 2 has a high bank
height ratio and relative confinement except for the building point and side channel bars. Both banks
lack deep-rooted vegetation and point bars are infested with kudzu. Closer to the confluence, Chinese
privet is dominant along the banks. Pockets of other invasive species, including tree of heaven and
Japanese knotweed,were also observed. Mixed with the privet, some mature vegetation is present in a
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narrow buffer along the tops of banks. Large woody debris is sparse along Reach 2. Riffles and pools are
present, but of poor quality due to embeddedness with
fines. Oak Hill Creek Reach 2
A linear wetland (Wetland B) is located along the left
valley toe of Oak Hill Creek Reach 2. Based on soil
borings and review of aerial photography(1984, 1993,
Appendix 1), this wetland appears to be the remnants of `
a ditch that used to drain the proposed wetland re-
establishment areas and which likely extended the
length of the valley down to Robert Road.The linear
feature drains into UT1 Reach 2. In the same vicinity, a =r
wood tile drain empties into Oak Hill Creek at the ,
tortuous outside bend.
Table 5:OHC Reach 2 Attribute Table
Reach Summary Information Oak Hill Creek Reach 2
Parameters Oak Hill Creek
Length of Reach (Linear Feet) 431
Valley confinement •
(Confined,moderately Unconfined
f J
confined, unconfined) ,.
Drainage area (acres) 614
Perennial, Intermittent,
1 �
Ephemeral Perennial
NCSAM Score/Stream
Low
Function
NCDWR Water Quality '
Classification C
Width to Depth Ratio(ft/ft) 7.6 Oak Hill Creek Reach 2
Bank Height Ratio (ft/ft) 2.0
Gradient(ft/ft) 0.0057
Reachwide d50(mm) 2.5 -
Stream Classification (Existing
and Proposed) G4c/C4
Evolutionary Trend
IV—degradation rtF a'
and widening -
FEMA Zone Classification AEkei
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Oak Hill Creek Reach 3
Oak Hill Creek Reach 3 begins at the confluence of UT1 and extends downstream along the right side of
the valley to the UT3 confluence. Historical aerial imagery suggests Reach 3 was ditched prior to 1950
(Appendix 1). In some areas where trees and privet have held the banks together, the banks are
wooded. In other areas, and beyond the banks, there is a corn field on the left floodplain and fallow
fields on the right.
The instream habitat and overall channel stability continues to degrade downstream, with more fine
sediment in the bed of the channel,frequent areas of bank erosion and incision, and the presence of
mid-channel bars. Some undercut banks and leaf packs provide instream habitat. Privet continues to be
a dominant bank species, with tree of heaven and morning glory(Ipomoea indica) noted as other
invasive species of concern.The dairy's large waste lagoon is situated atop the left valley of Oak Hill
Creek Reach 3. It is designed with no discharge and is required to be sized for at least a 25-year 24-hour
event. If overtopped, under current conditions ditches would convey runoff to Oak Hill Creek, bypassing
the left floodplain of Oak Hill Creek Reaches 3 and 4 (Figure 2).This ditch also collects local drainage
from upland fields along the entire left valley.The adjacent landowner's driveway parallels the creek
toward the downstream reach limits, and concrete slabs have been used to armor the banks to protect
the driveway.
Table 6:OHC Reach 3 Attribute Table
Reach Summary Information Oak Hill Creek Reach 3
low
Parameters Oak Hill Creek
Length of Reach (Linear Feet) 882 • Y
Valley confinement y�„ ,.,
odit
(Confined, moderately Unconfined
confined, unconfined) •
Drainage area (acres) 988
Perennial, Intermittent,
Perennial v
Ephemeral F
NCSAM Score/Stream w
Low e�a
Function .. w
NCDWR Water Quality C ;�' „ �
Classification
Width to Depth Ratio(ft/ft) 12.9 Oak Hill Creek Reach 3/4
Bank Height Ratio (ft/ft) 2.6 v
Gradient(ft/ft) 0.0052 14
Reachwide d50(mm) 8.0 "y
Stream Classification (Existing 211W61' ,
C4/C4
and Proposed) • -N; s _:
IV—degradation
Evolutionary Trend -�,
and widening _ a, . .
FEMA Zone Classification AE •
was
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Oak Hill Creek Reach 4
OHC Reach 4 begins at the confluence of UT3 and terminates downstream at a culvert beneath Robert
Road. Reach 4 has severe bank erosion in some areas and, although was classified as a Rosgen E5-type
channel due to active widening resulting in an entrenchment ratio greater than 2.2, it is incised with a
bank height ratio of 2.6.The entire length of Reach 4 immediately abuts a gravel driveway on the right
top of bank with only a narrow row of trees, and portions of the channel bordering the driveway have
been armored with stone or concrete to halt on-going bank erosion. Erosion from debris jams and the
incised channel condition is common. In many of the locations within the reach that have deep-rooted
vegetation,the vegetation is being undercut and lacks sufficient root depth to prevent long term
widening. Reach 4 is similar to OHC Reach 3 with respect to drainage area, channel dimension, pattern,
and profile but classified out as a sand bed channel due to the impact of upstream bank erosion
throughout the Site.Throughout its length, the stream centerline of Reach 4 is roughly coincident with
the Site property boundary.
Table 7:OHC Reach 4 Attribute Table Oak Hill Creek Reach 4
Reach Summary Information
Parameters Oak Hill Creek
Length of Reach (Linear Feet) 523 = ,. -
Valley confinement
Confined, moderately Unconfined
confined, unconfined) Wre§:5:
Drainage area (acres) 1,070
Perennial, Intermittent, '
Ephemeral Perennial
NCSAM Score/Stream e E
Low
Function
NCDWR Water Quality
C
Classification
Width to Depth Ratio(ft/ft) 11.2 Oak Hill Creek Reach 4
Bank Height Ratio (ft/ft) 2.3
Gradient(ft/ft) 0.0050 �.
Reachwide d50(mm) 1.7
Stream Classification (Existing E5/C4
and Proposed) k
EvolutionaryTrend IV—degradation ,'iM '
and wideningt'
FEMA Zone Classification AE - ti:_ •'-"titiP
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UT1 Reach 1
UT1 Reach 1 enters the Site from a perched culvert under Roy Eaker Road. An overhead electric line and
power pole are present on the left top of bank at the top of the reach.The stream drops 9 inches over
the culvert outlet and is incised with eroding areas downstream of the culvert. Alternating lateral bars
are forming within the incised channel, and varied habitats are present although they are embedded
with fines from bank erosion. Very little woody debris is present in the reach.Although cattle are
currently fenced from the stream,the fencing is near the top of bank and cattle are actively grazing and
impacting the left riparian zone.The left bank has
infestations of Chinese privet.The right riparian zone has *I'
UT1 Reach 1
a row of trees but is impacted by kudzu within the trees 4.E ,il; ia i, 1::::'
and in the adjacent areas. Large sand and mud deposits = � '
are present at and below the UT1/UT1A confluence due
to the large volume of fine sediment supply coming from ti
the UT1A intensive cattle operations on the uplands, and =-
from UT1A instream erosion. Downstream of UT1A, UT1
Reach 1 shifts across to the right side of the valley where s,
it is joined by UT1B from the right bank.The UT1B
confluence is surrounded by an existing wetland area -
(Wetland F)with cattails along the right floodplain of UT1
Reach 1. z
Table 8: UT1 Reach 1 Attribute Table
UT1 Reach 1
Reach Summary Information - „
Parameters UT1 M ' ,' 0r '
Length of Reach (Linear Feet) 252 ;$ +'
Valley confinement
(Confined, moderately Unconfined
confined, unconfined) ` y k: y L -
Drainage area (acres) 3024
Perennial, Intermittent, qr
Perennial ��
Ephemeral t •g � ` r ' .�
p
NCSAM Score/Stream , , /.
Function Low
NCDWR Water Quality `' ` ` �, '
C
Classification
Width to Depth Ratio(ft/ft) 23.4 UT1 Reach 1
Bank Height Ratio (ft/ft) 2.4
6 ¢j�Yi�y?� }iy9d T' r .'• .i
-
Gradient(ft/ft) 0.0077 ,� Y t' j --1
Reachwide d50(mm) 3.2
Stream Classification \-"F4/C4u. - r -_,
(Existing and Proposed)
V—aggradation •�-
Evolutionary Trend
and widening y L
FEMA Zone Classification N/A ' " _--
- .
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The project reach is classified as a Rosgen F4-type
stream channel and is laterally and vertically unstable UT1 Aerial Photograph—1938, Prior to
with headcuts present in the lower reaches of Reach Channelization
1 and upper reaches of Reach 2. It is incised and •
overwide in many areas. Short steep, riffles were _ � y.
•
observed in tight, actively eroding meander bends. ,.
UT1 Reach 2 r
UT1 Reach 2 begins at the confluence of UT1B and ' �•
terminates at its confluence with Oak Hill Creek. As •
noted in the Hydric Soils Report(Appendix 5), aerial I'
.
photography indicates that UT1 was relocated from
the middle/right side of the valley to the left valley
toe between 1950-1956. Based on the topography and soil characteristics, spoils may have been side
cast into the historic floodplain creating an unnatural high spot through the middle of the valley and
leaving remnant wetland pockets. Presently, the upstream half of the reach generally flows along the
toe of the right valley wall while the downstream half of the reach flows along the toe of the left valley
wall. UT1 Reach 2 is bordered by five small wetland areas (Wetlands B, C, D, E, and F), many of these
coincident with linear drainage features thought to have been created to draw water off historically wet
areas of the floodplain. Downstream of UT1A, there is a draw on the left floodplain that contributes
runoff from the cattle feedlot into UT1. Several cattle sloughs or wallow areas were observed along the
tops of both banks throughout the entire length of UT1 Reach 1.This is consistent with landowner
verbal confirmation that cattle are allowed access seasonally to flash graze areas in order to manage
kudzu and other vegetation.
Table 9: UT1 Reach 2 Attribute Table UT Reich 2
Reach Summary Information ti ' 'Y''
Parameters UT1 . ,m
Length of Reach (Linear Feet) 1,706 y
Valley confinement
(Confined, moderately Unconfined
confined, unconfined) ^yam
Drainage area (acres) 333
Perennial, Intermittent,`
Perennial , w .
Ephemeral ,r
NCSAM Score/Stream Function Low
NCDWR Water Quality
Classification UT1 Reach 2
Width to Depth Ratio(ft/ft) 5.9 I °
Bank Height Ratio (ft/ft) 2.4 °' •
Gradient(ft/ft) 0.0070
Reachwide d50(mm) 3.3 ;'.
Stream Classification (Existing G4/C4 `
and Proposed)
Evolutionary Trend IV—degradation ` «
and widening ' •
FEMA Zone Classification N/A1 IF •
1 UT1 Reach 2 is located in the backwater of Oak Hill Ats`-
•
Creek Zone AE FEMA floodplain
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The stream was classified as a Rosgen G4-type channel based on its degree of incision. Privet along the
banks throughout much of the reach appears to have slowed the rate of channel widening over time;
however, the channel is vertically unstable with several advancing headcuts in the upper half of the
reach and laterally unstable where it has previously undermined privet and other bank vegetation.
While the valley is broad throughout the reach corridor, channel pattern is minimal. Meander pools
should be present but are rare, and pool spacing is tight. Riffles and pools typically occur in locations
inconsistent with stable planform geometry.
Habitat along UT1 consists of riffles with some overhanging roots and pools. Riffles are often embedded
with fines and large woody debris is scarce. Riparian vegetation consists of a single line of mature
vegetation at the top of bank, with maintained crop fields to the left and fallow fields and black walnuts
(Juglans nigra)to the right. The understory and banks are dominated by privet and the right valley wall
and floodplain edge has a severe infestation of English ivy(Hedera helix).
UT1A
The Site was extended upstream from the location originally specified in the DMS technical proposal and
initial NCIRT site walk and currently encompasses the UT1A jurisdictional stream boundary which is in a
bamboo thicket(Phyllostachys aurea). At this location, UT1A drops approximately two feet at an existing
knickpoint.As it emerges from the thicket downstream, it bisects a small wetland area (Wetland J), likely
a result of erosion and cattle wallowing immediately below the existing fence line. An existing residence
on the right floodplain is occupied and must remain—the easement has been set 10 feet off the
residence. UT1A flows within the primary feedlot for the dairy and
is utilized by cattle for drinking; the adjacent areas are impacted by UT1A near Upstream Limits
the concentrated activity. Except for a few stand-alone trees, UT1A
is devoid of riparian vegetation and a shaded canopy.The stream is i
incised and overly wide, and the bed and banks are severely i } 1
trampled with toe and valley slope erosion. In the bamboo section,
some bedform and habitat is present, but these give way to silted
and braided runs with no bedform throughout the remainder of the �I r -----
reach. Fine sediments are embedding any underlying bedform
material from consistent erosion and sedimentation of the adjacent . ,. Z.
upland areas. At the lower limits of the reach, UT1A flows through
a marshy, herbaceous area influenced by debris and sediment
trapped by the existing fence. }- ' _,;
Table 10: UT1A Attribute Table '1 tit %444 y R :r �1R
Reach Summary Information
Parameters UT1A UT1A
Length of Reach (Linear Feet) 482
Valley confinement
(Confined, moderately Confined ;4- .
confined, unconfined)
Drainage area (acres) 12 t
Perennial, Intermittent SSA
Perennial
Ephemeral
NCSAM Score/Stream
Low
Function
NCDWR Water Quality
Classification 3c
Width to Depth Ratio(ft/ft) 51.0
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Reach Summary Information UT1A
Parameters UT1A
Bank Height Ratio (ft/ft) 9.6
Gradient(ft/ft) 0.0250
Reachwide d50(mm) Siltl
Stream Classification (Existing
and Proposed)
F6b/E4b ,�* r ,, .•
Evolutionary Trend IV—degradation
and widening ;* t
FEMA Zone Classification N/A
'Sediment was visually classified r S~
UT1 B
UT1B enters the Site as an intermittent stream, dropping approximately two feet from the culvert under
Roy Eaker Road.The reach classifies as a stable Rosgen Cb type channel, has low banks and is connected
to the floodplain.The stream flows along the right valley wall, paralleling UT1, and becomes perennial
approximately 100 LF upstream of the stream's confluence with UT1. Leaf packs dominate instream
habitat, with some small gravels and sand for substrate.A patch of kudzu is present in the floodplain
along Roy Eaker Road.The right valley wall has a single row of mature woody species, and the left
floodplain is predominantly grasses and early successional woody species as well as privet. UT1B drops
over several small headcuts as it enters UT1.
Table 11: UT1B Attribute Table
Reach Summary Information
Parameters UT1B i UT1B +r . 40
Length of Reach (Linear Feet) 292 '"'fit. •
Valley confinement
(Confined,moderately Moderately -W
confined, unconfined) confined a
Drainage area (acres) 4
Perennial, Intermittent, Intermittent
Ephemeral /Perennial* _ �
NCSAM Score/Stream vyc
E �
Medium
Function
> -
NCDWR Water Quality e ' u �b
Classification
Width to Depth Ratio(ft/ft) 22ire
Bank Height Ratio (ft/ft) 1.0 t
Gradient(ft/ft) 0.0229 -
Reachwide d50(mm) Silt/Sand
Stream Classification (Existing Cb/Cb
and Proposed)
Evolutionary Trend I- Premodified
FEMA Zone Classification N/A
*Note: Upstream 206 LF of channel is intermittent
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3.3.2 Existing Wetlands
Wildlands delineated potential wetland waters of the United States within and immediately adjacent to
the proposed project easement(assessment area) using the USACE Routine On-Site Determination
method presented in the 1987 Corps of Engineers delineation manual and the subsequent Regional
Supplement for the Eastern Mountain and Piedmont Region.The Preliminary Jurisdictional
Determination (PJD)was issued on December 7th. See Appendix 2 for the approved PJD, existing wetland
data is summarized in Table 12.
A total of 7 existing wetland features (Wetlands A, B, C, D, F,J, and K)were documented within the
assessment area (appendix 2). On-site wetland features exhibit indicators of wetland hydrology,
hydrophytic vegetation, and hydric soils. Indicators of wetland hydrology observed in existing wetlands
include aquatic fauna, drainage patterns, surface soil cracks, sparsely vegetated concave surface,
stunted or stressed plants, high water table, water-stained leaves, crayfish burrows, saturation,
geomorphic position, FAC-neutral test, sediment deposits, and surface water. Dominant hydrophytic
vegetation species within wetlands include sugarberry(Celtis laevigata), American elm (Ulmus
americana),jewelweed (Impatiens capensis), arrowhead (Sagittaria latifolia), and jointleaf rush (Juncus
articulatus). Soils within on-site wetlands exhibit one of the following hydric soil indicators: depleted
matrix, redox dark surface, and piedmont floodplain soils.
Existing wetlands were evaluated using the North Carolina Wetland Assessment Method (NCWAM),
which evaluates field conditions relative to reference condition to generate function ratings for specific
wetland types. Using the NCWAM dichotomous key and best professional judgement, existing wetlands
were classified based on the reference wetland type if the area was not disturbed. On-site wetlands
were all classified as Bottomland Hardwood Forest or Headwater Forests. On-site wetlands scored as
low to medium functioning systems when compared to reference conditions because of impairments to
two of the three primary functions (hydrology, water quality, and habitat). Water quality and habitat
functions generally received low scores due to cattle grazing, lack of native vegetative communities, and
poor connectivity to other natural areas. NCWAM field assessment forms and the rating calculator
outputs are included in Appendix 3.
Table 12: Project Attribute Table Part 4
Wetland Method:
Size of Type Wetland Soil
Mapped Soil Drainage Source of Vegetative
Wetland Wetland (NCWAM NCWAM Series Class Hydric Hydrology Enhancement or
(acres) Rating Status
Rating) Preservation
Chewacla
Bottomland loam, Somewhat
Wedowee poorly drained, No, No, Groundwater/
A 2.203 Hardwood LowEnhancement
Forest sandy loam, Well drained, Yes Overbank
Worsham Poorly drained
loam
Chewacla Somewhat
loam, Pacolet
Headwaterpoorly drained, No, No
B 0.138 Low sandy clayGroundwater Enhancement
Forest loam, Pacolet Well drained, No
sandy loam Well drained
Headwater Chewacla Somewhat
C 0.021 Forest Low loam, Pacolet poorly drained, No, No Groundwater Enhancement
sandy loam Well drained
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Wetland Method:
Size of Type Wetland Soil
Mapped Soil Drainage Source of Vegetative
Wetland Wetland (NCWAM NCWAM Series Class Hydric Hydrology Enhancement or
(acres) Rating Status
Rating) Preservation
D 0.028 Headwater
Low Paciloeat rrsandy Well Drained No Groundwater Enhancement
F 0.131 Headwater Somewhat
Low Chewacla loam No Groundwater Enhancement
Forest poorly drained
Headwater Helena sandy Moderately Groundwater/
0.047 Enhancement
Forest Low loam well drained No Overbank
Bottomland Somewhat
Kl <0.000 Hardwood N/A Chewacla loam poorly drained No Groundwater None
Forest
1 Wetland K is within the assessment area of the pJD and is anticipated to be impacted by project activities.No WAM form was
completed as no wetland mitigation credit is being sought for Wetland K.
3.4 Overall Functional Uplift Potential
The primary physical stressors on site are incision and entrenchment from historic channelization
coupled with historic and on-going agricultural operations that have drained the site and maintained
narrow or non-existent riparian buffers.These stressors led to low NCSAM scores for most project
stream reaches and low NCWAM scores for project wetlands. Without intervention, Oak Hill Creek and
its tributaries will continue to widen,which will further diminish riparian wetland hydrology. Ultimately,
functional uplift for this Site is linked to improvement in and maintenance of hydrologic connectivity
between streams and riparian wetlands. Additionally, establishing a riparian buffer will protect and
enhance this connectivity. Functional uplift for the site will be achieved through the following:
• Restoring degraded stream channels to reduce erosion and reconnecting streams to their
historic floodplains to restore hydrologic connectivity to riparian wetlands;
• Reducing bank erosion and associated pollutants;
• Planting riparian buffers to shade streams, filter upland runoff, stabilize streambanks with deep-
rooted vegetation, and promote woody debris in system;
• Cattle exclusion;
• Establishing BMP's to provide additional treatment of upland runoff; and
• Protecting the site with a conservation easement.
These project components are described in Section 5 in terms of goals, objectives, and outcomes for the
project and in greater detail in Section 6 as the project site mitigation work plan.
3.5 Site Constraints to Functional Uplift
The following potential Site constraints have been identified and will be addressed as part of this
project.
Due to the tie in elevations and degree of incision onsite, some Priority 2 restoration will be necessary
along portions of UT1 and Oak Hill Creek in transitioning to Priority 1 restoration. Establishing vegetation
on Priority Level 2 stream restoration can be a challenge. Wildlands has prepared a Vegetation and
Planting Plan (Section 6.9) to address this potential constraint. Priority Level 2 restoration may have a
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limited floodplain on some projects. As described in Section 6.6 Design Implementation, Wildlands will
construct floodplains that are at least 4 times bankfull width and have a slope that is flatter than 5:1.
The Site is currently in active row crop and cattle operation. Care was taken to minimize the number of
stream crossings to those that are necessary for the landowners to maintain their farming operations in
a sustainable manner.Two internal easement crossings are proposed at the Site to maintain landowner
access and use of the adjoining property, and to accommodate an existing sanitary sewer line easement
(20-feet in width)that intersects Oak Hill Creek at the juncture of Reach 1 and 2. At this time, livestock
will be excluded from the proposed ford crossing since the landowner does not intend to use it and its
adjacent areas for this purpose in the short term.The UT1 crossing will be fenced and gated based on
the current intent to use this crossing for livestock rotation post-construction.The crossings are
summarized and numbered below in Table 13 and depicted on Figure 9. All crossings will be designed to
reduce barriers to sediment transport, promote aquatic organism passage, and increase the long-term
stability of the crossings.
Table 13:Summary of Site Easement Crossings and Breaks
No. Width(ft) Location Internal or External Crossing Type
1 50 Oak Hill Creek Reach 1/2 Internal Ford
2 30 UT1 Reach 2 Internal Culvert crossing
There are two structures in the right floodplain of UT1A—a small, occupied house near the upstream
project boundary and an old barn approximately halfway down the reach.The landowner has agreed to
demolish the old barn as part of the project.The easement has been narrowed in the vicinity of the
house.
Utilities within the project area include an existing sanitary sewer that crosses Oak Hill Creek Reach 1 at
its reach break with and overhead utilities along Roy Eaker Road and Robert Road. Internal easement
crossing 1 has been aligned to encompass the sanitary sewer easement.The overhead utility line along
Roy Eaker Road that extends across UT1 Reach 1 is no longer in service and will be removed from the
easement.The conservation easement boundary has been set to exclude the overhead utility on Robert
Road.
Two BMPs are proposed for the Site to intercept and treat stormwater runoff from the dairy's outdoor
feeding area bordering UT1A and UT1 Reach 1, and in the subwatershed of the dairy's no-discharge
waste lagoon that would overtop to the creek through ditches in the case of an event exceeding the
design volume of the lagoon.Treated runoff from these two proposed BMPs will outlet into restored
wetland areas and a vegetated floodplain buffer to provide additional attenuation and potential
pollutant load filtering benefits before entering the stream channel. More details pertaining to the
proposed BMPs can be found in Section 6.8.
The entire easement area can be accessed for construction, monitoring, and long-term stewardship
from Robert Road and Roy Eaker Road.
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4.0 Regulatory Considerations
Table 14, below, is a summary of regulatory considerations for the Site.These considerations are
expanded upon in Sections 4.1-4.3.
Table 14: Regulatory Considerations Attribute Table
Regulatory Considerations
Parameters Applicable? Resolved? Supporting Docs?
Water of the United States-Section 404 Yes No PCN1
Water of the United States-Section 401 Yes No PCN1
Endangered Species Act Yes Yes Appendix 6
Historic Preservation Act Yes Yes Appendix 6
Coastal Zone Management Act No N/A N/A
FEMA Floodplain Compliance Yes No N/A
Essential Fisheries Habitat No N/A N/A
1 PJD submitted to USACE on 8/10/20.PCN to be provided to NCIRT with Final Mitigation Plan.
4.1 Biological and Cultural Resources
A Categorical Exclusion for the Site was approved on August 20, 2019.This document included
investigation into the presence of threatened and endangered species on Site protected under the
Endangered Species Act of 1973, as well as any historical resources protected under the National
Historic Preservation Act of 1966.The biological conclusion for the Site, per the Categorical Exclusion
research and response by US Fish and Wildlife Service, is that"the action agency determines that this
project may affect the Northern Long-Eared Bat (NLEB), but that any resulting incidental take of the
NLEB is not prohibited by the finial 4(d) rule."The conclusion for cultural resources per the Categorical
Exclusion research and response by the State Historic Preservation Office is that they are aware of"no
historic resources which would be affected by this project."The signed Categorical Exclusion checklist
and summary are provided in Appendix 6. As stated on the Northern Long-Eared Bat 4(d) Rule
Streamlined Consultation Form provided in the Categorical Exclusion, approximately 1.24 acres of trees
will be cleared during the construction of the project. A complete copy of the Categorical Exclusion
document, including additional information and regulatory communications, is available upon request.
4.2 FEMA Floodplain Compliance and Hydrologic Trespass
The Site is represented on the Gaston County Flood Maps 3710269100K and 3710269000J. All four
project stream reaches of Oak Hill Creek are mapped in a Zone AE Special Flood Hazard Area (SFHA) and
the downstream 400 LF of UT1 Reach 2 is included in the backwater of Oak Hill Creek's mapped
floodplain (Figure 6). UT1, UT1A and UT1B do not have designated SFHAs. Effective hydraulic modeling
for Oak Hill Creek has been obtained from the NC Floodplain Mapping Program. Based on modeling of
the existing and proposed conditions, a Conditional Letter of Map Revision (CLOMR) is anticipated to
address minor rises during extreme flood events.The rises anticipated under these large flows is on the
order of 1-3"with no impact to structures. Wildlands and the County will notify the two affected
landowners through the CLOMR Property Owner Notification process and through Wildlands' own
outreach, as deemed appropriate. Upstream of Oak Hill Creek Reach 1, a rise of 1-3" has been modeled
for the proposed case under the 100-year base flood.This is a naturalized and wooded area with no
developed land impacted. On the right floodplain of Oak Hill Creek in Reaches 3 and 4, the increase in
base flood elevation has been modeled as 0.01'. In this same area along Reaches 3 and 4, Wildlands has
coordinated the installation of new culverts on UT2 and UT3 to address the poor condition of existing
pipes and to simultaneously raise the new pipes in order to prevent excessive backwater of baseflow
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onto the adjacent landowner. Sufficient existing gradient exists in this area to accomplish the required
grade adjustments and Wildlands has coordinated these activities with the landowner and will obtain a
temporary easement to make these adjustments to UT2& 3. UT1 Reach 1 will be tied into an existing
headcut at the culvert outlet but will not back up water above the elevation of the existing culvert at
Roy Eaker Road. UT1A raises the stream up to an existing knick point but this is contained within the
proposed easement. A LOMR will be completed after construction using as-built survey data.
4.3 401/404
Jurisdictional waters will be impacted with realignment of the stream channel, structure installation and
bank, floodplain and wetland grading. Wetlands on the Site that are within the conservation easement
and outside of the limits of disturbance will be flagged during construction to prevent unintended
impacts.This will be denoted in the final construction plans.The Pre-Construction Notification, including
this data, will be submitted to the NCIRT with the Final Mitigation Plan.
,u Mitigation Site Goals and Objectives
The project will improve stream and wetland functions through stream restoration, conversion of
agricultural fields into riparian buffer, and restoring wetlands within the broad floodplains of Oak Hill
Creek and UT1. Project goals are desired project outcomes and are verifiable through measurement
and/or visual assessment. Objectives are activities that will result in the accomplishment of goals.The
project will be monitored after construction to evaluate performance as described in Section 8 of this
report.The project goals and related objectives are described in Table 15. It should be noted that
potential benefits resulting in the uplift of biological and physicochemical functions are presumed since
these functions will not be directly measured during monitoring.
Table 15: Mitigation Goals and Objectives
Goal Objective Expected Outcomes Functions
Supported
Reduce agricultural and
sediment inputs to the project,
Install livestock fencing as needed to which will reduce likelihood of Hydrology
Exclude livestock exclude livestock from stream accumulated fines and excessive (local),
from stream algal blooms from nutrients. Hydraulic,
channels and channels,wetlands,and riparian Reduce sediment inputs from Geomorphology,
areas,or remove livestock from
riparian wetlands. adjacent fields. bank erosion and degradation. Physicochemical,
Provide riparian and wetland Biology
habitat.Support all stream and
wetland functions.
Convert active cattle pasture and Reduce sediment inputs from
crop fields to forested riparian bank erosion and runoff. Hydrology
Restore and buffers and riparian wetlands along Increase nutrient cycling and
enhance native all Site streams,which will slow and storage in floodplain. Provide (local),
vegetation in treat sediment laden runoff from riparian and wetland habitat. Hydraulic,
wetlands and adjacent pastures and crop fields Add a source of LWD and Geomorphology,
floodplains. before entering streams. Protect and organic material to stream. Physicochemical,
enhance existing forested riparian Support stream and wetland
Biology
buffers.Treat invasive species. functions.
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Goal Objective Expected Outcomes Functions
Supported
Construct stream channels that will
maintain a stable pattern and profile
considering the hydrologic and Reduce sediment inputs from Hydraulic,
Improve the sediment inputs to the system,the bank erosion. Reduce shear Geomorphology,
stability of stream landscape setting,and the stress on channel boundary.
channels. watershed conditions.Add bank Support all stream functions Physicochemical,
revetments and instream structures above hydrology. Biology
to protect restored/enhanced
streams.
Increase and diversify available
habitats for macroinvertebrates,
Install habitat features such as fish,and amphibians. Promote
Improve instream constructed steps,cover logs,and aquatic species migration and Geomorphology,
brush toes on restored reaches.Add recolonization from refugia,
habitat. Biology
woody materials to channel beds. leading to colonization and
Construct pools of varying depth. increase in biodiversity over
time.Add complexity including
LWD to the streams.
Reconnect Reconstruct stream channels with Reduce shear stress on channel; Hydraulic,
channels with appropriate bankfull dimensions and Hydrate adjacent wetland areas; Geomorphology,
floodplains and depth relative to the existing Filter pollutants out of overbank Physicochemical,
riparian wetlands. floodplain. flows. Biology
Restore and enhance riparian
Restore wetland wetlands by raising stream beds, Hydrology,
hydrology,soils, plugging and filling existing Improve terrestrial habitat. Physicochemical,
and plant agricultural ditches, removing berm
communities. material over relic hydric soils,and Biology
planting native wetland species.
Install stormwater BMPs in areas of Reduce agricultural and Hydrology,
Treat concentrated concentrated agricultural runoff to sediment inputs to the project, Hydraulic,
agricultural runoff. treat runoff before it enters the which will reduce likelihood of Geomorphology,
accumulated fines and excessive Physicochemical,
stream channel.
algal blooms from nutrients. Biology
Permanently Establish a conservation easement Protect Site from encroachment Hydraulic,
protect the project on the Site. Exclude livestock from on the riparian corridor and Geomorphic,
site from harmful Site streams and wetlands and direct impact to streams and Physicochemical,
uses. remove crop fields from the riparian wetlands.Support all stream Biology
buffer. functions.
6.0 Design Approach and Mitigation Work Plan
This Section presents the proposed collective design approach for streams,wetlands, BMPs, and
planting, as well as considerations for land and project risk management for this Site.
The design approach was developed to meet the goals and objectives described in Section 5 which were
formulated based on the potential for uplift described in Section 3.4.The design is also intended to
provide the expected outcomes in Section 5,though these are not tied to performance criteria.
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The design focus is the reconnection of streams to their historic floodplains to raise the groundwater
table on the Site and contribute more frequent overbank flow to site floodplain and wetland resources.
Restoration of site hydrology will be further supported by filling agricultural drainage swales and
removing drainage tiles.The floodplains and wetlands will be planted with native herbaceous;tree and
shrub species and invasive species will be treated. Instream structures will be constructed in the
channels to help maintain stable channel morphology, improve aquatic habitat, and enhance channel
bedform. Cattle will be excluded from the Site, eliminating wallow areas within the streams and
wetlands. Proposed stormwater BMPs will treat upland runoff entering the Site from areas used for
feeding and grazing of cattle.The entire project area will be protected in perpetuity by a conservation
easement.Table 16 summarizes the stressors of each project reach and the applicable mitigation
activities expected to address those stressors.
Table 16:Stream and Wetland Stressors and Restoration Approach
Project Reach Primary Stressors/Impairments Approach Mitigation Activities
Intermittent cattle access, Restoring dimension and profile,creating a
channel incision/channelization, floodplain bench,add wood and habitat structures
OHC R1 bank erosion, poor buffer El to channel,treating invasive species, planting
quality/lack of buffer, invasive buffers,terminating intermittent use for grazing,
species protecting with conservation easement
Intermittent cattle access, Restoring dimension, pattern,profile,and
OHC R2 channelization, incision, bank R floodplain access,treating invasive species, planting
erosion, poor buffer quality/lack buffers,terminating intermittent use for grazing,
of buffer, invasive species protecting with conservation easement
Intermittent cattle access to Restoring dimension, pattern,profile,and
edge of channel,channelization, floodplain access,treating invasive species,planting
OHC R3 incision, bank erosion, poor R buffers, proposed stormwater BMP,terminating
buffer quality/lack of buffer, intermittent use for grazing, protecting with
invasive species conservation easement
Intermittent cattle access to Restoring dimension, pattern,profile and floodplain
edge of channel,channelization, access,treating invasive species, planting buffers,
OHC R4 incision, bank erosion, poor R
terminating intermittent use for grazing, protecting
buffer quality/lack of buffer, with conservation easement
invasive species
Intermittent cattle access, Restoring dimension, pattern,profile,and
UT1 R1 channelization, incision, bank R floodplain access, planting buffers,terminating
erosion, poor buffer quality/lack intermittent use for grazing, protecting with
of buffer, invasive species conservation easement
Intermittent cattle access, Cattle exclusion, restoring dimension, pattern,
active head cutting, profile,and floodplain access, planting buffers,
UT1 R2 channelization, incision, bank R
erosion, poor buffer quality/lack proposed stormwater BMP, protecting with
of buffer, invasive species conservation easement
Cattle access,active head
cutting and incision, bank Cattle exclusion, restoring dimension, pattern,and
UT1A erosion,cattle impacts R profile, planting buffers, protecting with
(wallowing and trampling), lack conservation easement
of bedform, non-existent buffer
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Project Reach Primary Stressors/Impairments Approach Mitigation Activities
Intermittent cattle access, poor Treating invasive species, planting buffers,
UT1B buffer quality/lack of buffer, Ell terminating intermittent use for grazing,protecting
invasive species with conservation easement
Rehabilitate wetlands by raising of stream bed
Moderate vegetation quality, elevations, plugging/filling drainage features,
Wetland decreased hydrology due to removal of berm material, planting and
Rehabilitation drainage features and incised RH supplemental planting of native wetland vegetation
(1.5:1 Credit) channels, intermittent cattle community,treating invasive species,terminating
impacts intermittent use for grazing, protecting with
easement
Rehabilitate wetlands by raising of stream bed
Maintained vegetation for elevations, plugging/filling drainage features,
agriculture,decreased removing active cultivation and vegetation
Wetland hydrology due to drainage management impacts through easement, removal
Rehabilitation features and incised channels, RH of berm material, planting native wetland
(1:1 Credit) upland runoff from dairy vegetation community,treating invasive species,
operations, intermittent cattle terminating intermittent use for grazing,protecting
impacts with conservation easement, proposed stormwater
BMP(upgradient of wetlands A,G & H)
Maintained vegetation for Re-establish wetlands by raising of stream bed
agriculture,decreased
elevations, plugging/filling drainage features,
Wetland Re- hydrology due to drainage removal of berm material, planting native wetland
establishment features and incised channels, RE
(1:1 Credit) upland runoff from agricultural vegetation community,treating invasive species,
areas, intermittent cattle terminating intermittent use for grazing,protecting
with conservation easement
impacts
Maintained vegetation for
Create wetlands by raising stream bed elevations,
agriculture,decreased plugging/filling drainage features, removal of berm
Wetland Creation material, planting native wetland vegetation
hydrology due to drainage C
(3:1) community,treating invasive species,terminating
features and incised channels,
intermittent cattle impacts intermittent use for grazing,protecting with
conservation easement
6.1 Stream Design Approach Overview
A combination of analog, empirical and analytical approaches for stream restoration design were
employed. Reference reaches were identified to serve as an acceptable range for design parameters.
Channels were sized based on design discharge hydrologic analysis and empirical approaches including
applying regional curve equations. Designs were then verified and/or modified based on a sediment
transport analysis.These design approaches have been used on many successful stream restoration
projects and are appropriate for the goals and objectives for this Site.
6.2 Reference Streams
Reference streams provide geomorphic parameters of a stable system, which can be used to inform
design of stable channels of similar stream types in similar landscapes and watersheds.Ten reference
reaches were identified for this Site (Figure 7) and used to support the design of Oak Hill Creek and its
tributaries.These reference reaches were chosen because of their similarities to the Site streams
including drainage area, valley slope, morphology, and bed material. All selected reference reaches are
located in the North Carolina Piedmont physiographic province where the Site is, except for Boyd
Branch, which is located in the Blue Ridge or mountain province. Boyd Branch was included as a
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reference reach for Oak Hill Creek Reach 1 due similarities in drainage area, valley type, width, and slope
between the two streams. Geomorphic parameters for these reference reaches are summarized in
Appendix 4.The reference reaches to be used for the specific streams are summarized below in Table
17.
Table 17:Stream Reference Data Used in Development of Design Parameters
Reference Used on
Reach Stream Type Landscape Position Chosen For Used For streams
Low slope,alluvial Gravel bed,similar landscape Q
Boyd Branch E4 valley. Flowing into position and valley slope Dimension, OHC R1
larger mainstem ranges Pattern,
Profile
Wide, low slope,
Deep Creek alluvial valley, Wetland hydrology and Q,
bottomland forested habitat function.Similar Dimension, UT1 R1&
Mitigation C5 wetland channel landscape position and valley Pattern, R2
Site flowing into larger slope ranges Profile
mainstem
Channel dimension,similar
Foust C4 Wide, low slope, landscape position and valley Q OHC R3
Upstream alluvial valley Dimension
slope ranges
Lake Norman Headwater,
Stable pattern within Q,
confined valley.Similar Dimension,
Group Camp E5b moderate slope, UT1Alandscape position and valley Pattern,
Tributary alluvial valley.
slope ranges Profile
Wide, low slope Similar land use, landscape Dim nsion
Long Branch C/E4 alluvial valley position and valley slope Pattern, OHC R2
ranges
Profile
Gravel bed with examples of
Headwater,
varied habitat structures Q
Timber Trib (woody debris, rock riffles,
B4 moderate slope, Dimension, UT1A
(mid-reach) and meander pools).Similar
alluvial valley Profile
landscape position and valley
slope ranges
UT to Examples of woody debris Q
Catawba E5 Wide,low slope pool structures, pattern,and Dimension, OHC R3
River Reach 1 alluvial valley similar landscape position Pattern, & R4
Profile
UT to Wide, low slope, Landscape position, habitat Q, Pattern,
Catawba E3b/C3b OHC R4
River Reach 2 alluvial valley structures, pattern Profile
Headwater,low Q
UT to Varnals slope,alluvial valley. Gravel bed with similar
C4/E4 Dimension, UT1 R1
Creek Flowing into larger drainage area
mainstem Pattern
Moderately wide,
Dimension,
Cooleemee low slope, alluvial Similar landscape position, UT1 R1&
Plantation C5 valley,flowing into valley type and valley slope Pattern, R2
larger mainstem Profile
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6.3 Design Discharge Analysis
Multiple methods were used to estimate bankfull discharges for restoration reaches including regional
curve data (Harman et al. 1999 and Walker, unpublished), a regional flood frequency analysis using U.S.
Geological Survey(USGS)gage sties, and reference reach data.The methods were compared, and a
design discharge was selected based on the results of the different methods. Slightly larger design
discharges relative to drainage areas were established for the mainstem project reaches (Oak Hill Creek
Reaches 1—4)to drive designs of slightly larger channels (by width)for these reaches to the extent of
impervious area or urban influence on storm runoff within the headwaters of the Oak Hill Creek
subwatershed. Results of each method and the final design discharges are shown in Table 18 and
illustrated in Figure 8.
Table 18:Summary of Design Bankfull Discharge Analysis
OHC OHC OHC OHC
Discharge Estimate Method R1 R2 R3 R4 UT1 R1 UT1 R2 UT1A
(608 ac) (614 ac) (988 ac) (1070 (302 ac) (333 ac) (12 ac)
ac)
NCSU Rural Piedmont Regional Curve(cfs) 86 86 122 129 52 55 5
NRCS Piedmont/Mountain Regional Curve 54 54 78 83 31 33 2
1.2 year 75 75 107 113 45 48 4
Regional Flood Frequency event
Analysis(cfs) 1.5-year 106 107 151 160 64 69 6
event
Reference Reach Regional Curve(cfs) 61 61 87 92 36 39 3
Final Design Q 90 88 149 156 42 51 7
6.4 Design Channel Morphological Parameters
Reference reach data and designer experience were used to develop design morphologic parameters for
each of the enhancement I and restoration reaches. Key morphological parameters are summarized in
Tables 19 -25. Complete design morphological parameters are included in Appendix 4.
Table 19:Summary of Design Morphologic Parameters for OHC R1
Existing Reference Proposed
Parameters Parameters Parameters
Parameter
OHC R1 Boyd Branch OHC R1
Contributing Drainage Area(acres) 608 576 608
Channel/Reach Classification B4c E4 C4
Design Discharge Width(ft) 19.9 15.1 20
Design Discharge Depth(ft) 1.4 1.1 1.4
Design Discharge Area(ft2) 27.5 14.6 28.4
Design Discharge Velocity(ft/s) 3.5 3.5 3.2
Design Discharge(cfs) 98 51 90
Channel Slope(ft/ft) 0.0070 0.0090 0.0040
Sinuosity 1.3 1.6 1.2
Width/Depth Ratio 14.4 15.9 14.0
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Existing Reference Proposed
Parameters Parameters Parameters
Parameter
OHC R1 Boyd Branch OHC R1
Bank Height Ratio 2.4 1.0 1.0-1.1
Entrenchment Ratio 2.0 2.65 2.2-5.0
d50(mm) 22.6 25 -
Table 20:Summary of Design Morphologic Parameters for OHC R2
Existing Reference Proposed
Parameters Parameters Parameters
Parameter
OHC R2 Long Branch OHC R2
Contributing Drainage Area(acres) 614 954 614
Channel/Reach Classification G4c C/E4 C4
Design Discharge Width(ft) 14.6 16.7 23
Design Discharge Depth(ft) 1.9 1.7 1.5
Design Discharge Area(ft2) 28.1 34.6 33.4
Design Discharge Velocity(ft/s) 3.4 3.8 2.6
Design Discharge(cfs) 94 113 88
Channel Slope(ft/ft) 0.0057 0.0040 0.0055
Sinuosity 1.65 1.60 1.20
Width/Depth Ratio 7.6 10.85 16.0
Bank Height Ratio 2.0 1.4 1.0-1.1
Entrenchment Ratio 5.4 3.4 2.2-5.0
d50(mm) 2.5 25 -
Table 21:Summary of Design Morphologic Parameters for OHC R3
Existing Proposed
Parameters Reference Parameters Parameters
Parameter
OHC R3 Foust UT to Catawba OHC R3
Upstream River Reach 1
Contributing Drainage Area(acres) 988 896 1024 988
Channel/Reach Classification C4 C4 E5 C4
Design Discharge Width(ft) 19.3 18.5- 19.4 9.7- 12.4 25
Design Discharge Depth(ft) 1.5 1.2- 1.3 1.2- 1.4 1.8
Design Discharge Area(ft2) 29.1 23.9-24.1 11.4- 17.5 43.9
Design Discharge Velocity(ft/s) 3.3 4.0 5.5 3.4
Design Discharge(cfs) 95 95 80 149
Channel Slope(ft/ft) 0.0052 0.0090 0.0050 0.0055
Sinuosity 1.15 - 1.10 1.20
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Existing Reference Parameters Proposed
Parameter Parameters Parameters
OHC R3 Foust UT to Catawba OHC R3
Upstream River Reach 1
Width/Depth Ratio 12.9 14.3- 15.7 8.1-8.9 14.0
Bank Height Ratio 2.6 - 0.9- 1.4 1.0-1.1
Entrenchment Ratio 2.6 2.9-5.3 5.4-6.4 2.2-5.0
d50(mm) 8.0 61 1.8 -
Table 22:Summary of Design Morphologic Parameters for OHC R4
Existing Reference Parameters Proposed
Parameters Parameters
Parameter OHC R4 UT to Catawba UT to Catawba OHC R4
River Reach 1 River Reach 2
Contributing Drainage Area(acres) 1070 1024 1024 1070
Channel/Reach Classification E5 E5 E3b/C3b C4
Design Discharge Width(ft) 19.8 9.7- 12.4 12.3 25
Design Discharge Depth(ft) 1.8 1.2- 1.4 1.1 1.8
Design Discharge Area(ft2) 35.1 11.4- 17.5 13.2 43.9
Design Discharge Velocity(ft/s) 3.5 5.5 6.1 3.6
Design Discharge(cfs) 122 80 80 156
Channel Slope(ft/ft) 0.0050 0.0050 0.0300 0.0070
Sinuosity 1.16 1.10 1.10 1.20
Width/Depth Ratio 11.2 8.1-8.9 11.5 14.0
Bank Height Ratio 2.3 0.9- 1.4 0.8- 1.3 1.0-1.1
Entrenchment Ratio 4.6 5.4-6.4 4.3 2.2-5.0
d50(mm) 1.7 1.8 75.9 -
Table 23:Summary of Design Morphologic Parameters for UT1 Reach 1
Existing Proposed
Parameters Reference Parameters Parameters
Parameter UT to
UT1 Reach Cooleemee Deep UT1 Reach
1 Plantation Creek Varnals 1
Creek
Contributing Drainage Area(acres) 302 435 429 262 302
Channel/Reach Classification F4 C5 C5 C4/E4 C4
Design Discharge Width(ft) 15.9 11.7- 15.9 12.9 9.3- 10.5 17
Design Discharge Depth(ft) 0.7 0.6-0.8 1.4 1.1- 1.2 1.1
Design Discharge Area(ft2) 10.7 9.5- 10.2 17.1 10.3 18.4
12.3
Design Discharge Velocity(ft/s) 2.9 1.6 2.4 4.4-5.2 2.4
Design Discharge(cfs) 31 16 41 54 42
Channel Slope(ft/ft) 0.0077 0.0027 0.0028 0.0200 0.0060
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Existing Proposed
Parameters Reference Parameters Parameters
Parameter UT to
UT1 Reach Cooleemee Deep UT1 Reach
1 Plantation Creek Varnals 1
Creek
Sinuosity 1.06 1.10 1.60 1.20 1.20
Width/Depth Ratio 23.4 14.4-24.8 9.6 8.1-9.3 16.0
Bank Height Ratio 2.4 1.1 0.9- 1.1 1.0 1.0-1.1
Entrenchment Ratio 1.5 8.8+ 10.5+ 5.7- 10 2.2-5.0
d50(mm) 3.2 0.6 0.2 15 -
Table 24:Summary of Design Morphologic Parameters for UT1 Reach 2
Existing Proposed
Parameters Reference Parameters Parameters
Parameter
UT1 Reach 2 Cooleemee Deep Creek UT1 Reach 2
Plantation
Contributing Drainage Area(acres) 333 435 429 333
Channel/Reach Classification G4 C5 C5 C4
Design Discharge Width(ft) 9.1 11.7- 15.9 12.9 17
Design Discharge Depth(ft) 1.5 0.6-0.8 1.4 1.1
Design Discharge Area(ft2) 14.1 9.5- 10.2 17.1 18.4
Design Discharge Velocity(ft/s) 3.7 1.6 2.4 2.4
Design Discharge(cfs) 52 16 41 51
Channel Slope(ft/ft) 0.0070 0.0027 0.0028 0.0070
Sinuosity 1.15 1.10 1.60 1.20
Width/Depth Ratio 5.9 14.4-24.8 9.6 16.0
Bank Height Ratio 2.4 1.1 0.9- 1.1 1.0-1.1
Entrenchment Ratio 1.8 8.8+ 10.5+ 2.2-5.0
d50(mm) 3.3 0.6 0.2 -
Table 25:Summary of Design Morphologic Parameters for UT1A
Existing Reference Proposed
Parameters Parameters Parameters
Parameter
UT1A Timber Tributary UT1A
(mid-reach)
Contributing Drainage Area(acres) 12 26 12
Channel/Reach Classification F6b B4 E4b
Design Discharge Width(ft) 9.9 8.9 5.5
Design Discharge Depth(ft) 0.2 0.5 0.5
Design Discharge Area(ft2) 1.9 4.6 2.6
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Existing Reference Proposed
Parameters Parameters Parameters
Parameter
UT1A Timber Tributary UT1A
(mid-reach)
Design Discharge Velocity(ft/s) 1.6 3.7 2.6
Design Discharge(cfs) 3 17 7
Channel Slope(ft/ft) 0.0250 0.0300 0.0320
Sinuosity 1.07 1.12 1.10
Width/Depth Ratio 51.0 17.0 12.0
Bank Height Ratio 9.6 1.0 1.0- 1.1
Entrenchment Ratio 1.2 1.5 >1.4-2.2
d50(mm) Silt 6.5 -
6.5 Sediment Transport Analysis
A qualitative assessment of sediment supply and sources in the project watershed was performed based
on visual inspection and review of historic aerial photos.The Oak Hill Creek and UT1 watersheds have
not changed considerably in recent decades. Redevelopment or future residential expansion around
Cherryville may increase development in both watersheds, particularly UT1 which is less developed.
The Oak Hill Creek watershed has a large portion of its area developed, most notably a large industrial
complex with high impervious cover at its headwaters and a golf course in the middle of the watershed.
There are several small to medium sized ponds on tributary reaches to the mainstem, mostly associated
with the golf course. Between 2011—2017,the golf course was expanded to the west and aerial photos
indicate stream buffer removal as well as some degree of upland erosion.The rest of the watershed is
residential and the main future impacts would be from infill or limited additional residential
development.
UT1 is largely forested on the right bank and the left bank is forested in the upper half of the watershed
but agricultural in the lower half, immediately upstream of the project.
Observed deposition on the Site indicates that both Oak Hill Creek and UT1 deliver fine and coarse
sediment load into the Site. Depositional patterns within the Site are primarily in areas with active
widening through outside or undercut bank erosion. In areas that have redeveloped a narrow bottom
width and depositional benches, streams have coarser bed sediments and coarse sediment is visible on
depositional features. No signs of reachwide or channel aggradation are present within the project area,
even in areas that have widened considerably.
The proposed stream restoration is maintaining bankfull sediment capacity by spreading out the vertical
drop over perched upstream culverts, sewer crossings and knick points in restoration reaches
throughout the length of the project.This is counteracting the typical approach of flattening reach
slopes at the top of projects to transition to Priority 1 restoration. As a result,the slopes of the proposed
channels are similar to those of the existing channels.
Restored streambanks are being sloped at a gentle 3 or 3.5:1 slope in order to allow for adjustment of
channel sediment transport efficiency to the incoming flow and sediment load. In addition, proposed
wetlands have been set back off the stream channel to allow for natural levy formation as a second
natural response and adjustment to sediment loading.
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In the reaches with the finest sediment gradations, on-site sediment sources are being reduced and the
slopes were increased which will help move fine sediment.To maintain high quality pools, channel
constricting and grade drop features will be utilized in the project. Grade drop features will serve to hold
the base channel elevation and sized and designed to prevent downcutting.
Through meander bend construction, a secondary result of the design is re-establishment of 3-
dimensional vectors in pools that will help maintain pool depths during intermittent high flows.
A competence analysis was performed to analyze the ability of the proposed streams to transport the
sizes of sediment supplied to them.The results of the competence analysis for bankfull flow conditions
are shown in Table 26.The competence analysis on these reaches indicates that the reaches will be able
to transport the d50 to d84 sediment sizes supplied to them by their watersheds in most cases. In cases
where the largest particles can be mobilized, an emphasis was placed on ensuring that adequate grade
control is incorporated into the design.The shear stresses for the 10-year and 50-year events were also
calculated and will be used to incorporate low mobility material into riffles.
Table 26: Results of Competence Analysis
OHC R1-2 OHC R3-4 UT1 R1&2 UT1A
Abkf(ftz) 28-33 43.9 18.7 2.6
Wbkf(ft) 20-23 25 16.2 5.5
Dbkf(ft) 1.4-1.5 1.8 1.1 0.5
Schan(ft/ft) 0.004-0.0055 0.0055-0.007 0.006-0.007 0.032
Bankfull Velocity(fps) 2.6-3.3 3.4-3.6 2.5 2.6
Bankfull Shear Stress,t(Ib/sq ft) 0.3-0.5 0.7 0.31 0.77
Movable particle size(mm)1 32-82 54-117 23-65 59-125
Largest particle from bar sample(mm) 109 77 115 Sand/Silt
1 Lower moveable particle size is from Shields Curve,larger is from Rosgen
The existing d50 in UT1 Reaches 1 and 2 is approximately 20-30 mm.The 50-year flow has a shear stress
of 0.8 lb/sq ft and is capable of moving 60-130 mm particle (2.5 to 5 inches).To promote riffle grade
control stability, riffles in UT1 will be supplemented with particle sizes consistent with a weighted mix of
NCDOT Class A/B mix(2 to 12 inches)to target a d84 at the upper movable particle range.
The existing d50 in Oak Hill Creek ranges from 20-35 mm. Reach 1 has the highest d50, potentially
related to the high input of fine sediment within the project Site reducing the d50 further downstream.
In Reaches 1 and 2,the 50-year flow has a shear stress of 0.8-1.8 lb/sq ft and is capable of moving 60-
230 mm particle (2.5 to 9 inches).To promote riffle grade control stability, riffles in Oak Hill Creek Reach
1 will be supplemented with particle sizes consistent with a weighted mix of NCDOT Class A/B mix(2 to
12 inches)to target a d84 at the upper movable particle range. In Reaches 3 and 4,the 50-year flow has
a shear stress of 1.0-1.6 lb/sq ft, and therefore a similar mix will be incorporated.
The existing d50 in UT1A is sand/silt. UT1A will be constructed with new bed material since the existing
bed material has been buried and smothered due to trampling.The 50-year flow has a shear stress of
3.2-3.4 lb/sq ft and is capable of moving 260-370 mm particle (10 to 15 inches).To promote riffle grade
control stability, riffles and grade control structures in UT1A will be supplemented with large cobble and
small to medium size boulders to provide a low mobility bed.
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6.6 Stream Design Implementation
The proposed Site includes a combination of stream restoration and enhancement activities as well as
wetland restoration and creation activities detailed in Section 6.7. Project stream reaches proposed for
restoration and enhancement are currently impacted by riparian management, past and/or present
cattle access, bank erosion, and incision. Activities have been selected to provide the highest degree of
ecological uplift to the system. Figure 9 provides an overview of the proposed mitigation activities on
the Site.
The majority of the project reaches are proposed for Priority 1 restoration. Priority 2 sections of channel
will be constructed where needed to transition grade from off-site tie-in to proposed elevations, avoid
hydrologic trespass, and maintain minimum channel slopes. Priority 2 sections of channel only account
for a few hundred feet of proposed stream at the Site. Restoration reaches have been designed to
create stable, functional stream channels based on reference reach parameters, design discharge
analysis, and sediment transport analysis. Dimension, pattern, and profile have been designed for all
restoration reaches to provide a cross-sectional area sized for frequent overbank flows, a stable bed
with variable bedforms, and well-vegetated bank slopes. Improved vertical and lateral stability will
reduce stream channel erosion. Diverse bedforms will be established using in-stream structures
appropriate for the geomorphic settings.These structures will provide grade control to prevent incision
and serve as habitat features. Pools will have varied depths to increase habitat diversity and mimic
natural streams.
In-stream structures for all reaches will include constructed rock riffles, rock sills, log sills, log or rock j-
hooks, log vanes, brush toe, geolifts, bank roughening and cover logs. Constructed riffles will be built
from excavated on-site rock when possible. Quarry stone may be used if an on-site source cannot be
found. Constructed riffles will incorporate woody material and logs, which will provide varied pore
spaces within the riffles and benefit hyporheic exchange processes and habitat formation.The diverse
range of constructed riffle types will provide grade control, diversity of habitat, and will create varied
flow vectors. Log and rock j-hooks will deflect flow vectors away from banks while adding to habitat
diversity. Log and rock sills will be used to allow for small grade drops across pools. At select outer
meander bends, the channel banks will be constructed with brush toe revetments to reduce erosion
potential, encourage pool maintenance, and provide varied pool habitat. Similarly, cover logs will also be
used in some meander bends to provide pool habitat variability and stream bank stability. Sod harvested
on-site and/or coir fiber matting will be used to provide bank protection.
6.6.1 OHC Reach 1
Enhancement I is proposed for Oak Hill Creek Reach 1 and includes the following: bank grading on both
banks to reestablish a stable planform geometry and dimension, widespread benching of outer meander
banks, and channel structure installation in riffles and bends to adjust channel alignment and protect
outer meanders against an urban flow regime and high sediment load.The work in the reach will include
subtle but nearly continuous channel realignment, profile manipulation, and structure installation.The
left floodplain will also be lowered and benched to increase floodplain activation frequency in order to
enhance adjacent riparian wetlands. A mature woody riparian buffer will be established along the left
floodplain, and invasive species will be removed along the reach.The Priority 2 area of Oak Hill Creek
Reach 1 is limited to approximately the first 100 feet of the reach where the design ties to the existing
stream bed.
A 50-foot wide permanent ford crossing is proposed at the downstream limits of Reach 1 in an internal
easement break that includes both the sanitary sewer crossing and the ford.The bed of the channel and
the banks will be hardened at the ford to produce a firm base for passage of farm vehicles. Grade
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control will be incorporated to the downstream limits of the ford to hold grade in the crossing. Cattle
will be excluded from Reach 1.
6.6.2 OHC Reach 2
Oak Hill Creek Reach 2 is proposed for a combination of Priority 1 and 2 restoration to reestablish
appropriate channel dimension, pattern and profile. Existing channel grade will be raised subtly in Reach
1 and more significantly at the existing knick point at the beginning of Reach 2 where the concrete-
encased sanitary sewer crossing is holding grade. Raising Reach 2 will support proposed wetland
approaches. Visible drainage tiles in the left bank will be followed upgradient and removed to further
this end.
6,6,3 OHC Reach 3
Oak Hill Creek Reach 3 is being realigned away from the valley wall out into the middle of the valley with
appropriate dimension, pattern and profile as a Priority 1 floodplain restoration approach. Reach 3
starts at the confluence with UT1 and has a flat broad floodplain.The Priority 1 approach will help
reconnect Oak Hill Creek with its historic floodplain and restore hydrology to existing and relic wetlands.
BMP 2 is being proposed on the left edge of the floodplain to treat runoff from the adjacent fields and
uplands, including the waste lagoon area as described in Section 6.8.
6.6.4 OHC Reach 4
Oak Hill Creek Reach 4 will transition from the Priority 1 approach used upstream down to the existing
elevation of the Robert Road culvert. A Priority 2 floodplain will be excavated to facilitate the tie-in.
6.6.5 UT1 Reach 1
UT1 will be raised starting the perched culvert outlet at the upstream limits.This Priority 1/2 approach
with floodplain excavation will be used in Reach 1 to transition to a Priority 1 approach in downstream
reaches. Restoration will improve aquatic organism passage by correcting the perched culvert elevation
at the upstream end of UT1 and raising the stream will enhance hydrology in existing and proposed
creation wetlands at the downstream limits of the reach. Restoration will also provide additional
bedform habitat and introduce large woody debris into UT1. Construction of a bankfull channel within
this reach will increase sediment transport efficiency over the existing overwide channel bottom with
inner berm formation.The overhead electric line and power pole on the left top of bank at the top of
the reach and will be permanently removed.
6,6.6 UT1 Reach 2
UT1 Reach 2 will start as a Priority 1/2 floodplain approach but rapidly transition to a Priority 1
approach.The channel will be moved off the edge of the valley wall and meandered with an appropriate
pattern, dimension and profile through the middle of the valley. BMP 1 will be installed in the left
floodplain near the top of Reach 2 to provide volume storage and treatment for drainage from the
concentrated feedlot.The cattle present in the left floodplain of this reach which have had intermittent
access to the reach for flash grazing, will be excluded from the easement.The high area noted in the
existing conditions and Hydric Soils Report(Appendix 5)will be graded down to the prevailing elevation
of the historic floodplain. In the downstream 1/3 of the reach, an internal culvert crossing will be
installed. At the crossing, the entire right floodplain will be left at grade to allow for flood flows to pass
down the floodplain thereby relieving the culvert from carrying high flows.
6.6.7 UT1A
Restoration of UT1A will begin at the jurisdictional boundary where the headcut will be stabilized and
brought up to grade for a Priority 1 restoration. Wildlands has extended the proposed easement from
the original proposal to encompass the entire jurisdictional limits of UT1A and to physically remove and
perform follow-up treatment to address the existing bamboo thicket. Priority 1 restoration of this
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steeper headwater tributary will result in a valley that has an entrenchment ratio exceeding typical B-
type streams. An Eb stream type is proposed for this hybrid step-pool approach with some meandering
pattern. An existing occupied residence on the right bank must remain and the easement has been
narrowed around the structure. Cattle will be entirely excluded from the easement along this stream
and the streambed will be dredged to remove built up cow manure that forms the majority of the
existing stream bed. Restoration will provide bedform and habitat and introduce large woody debris to
UT1A, all of which are absent from the existing channel. BMP 1 is proposed on the left floodplain at the
end of the reach where it confluences with UT1.This BMP will include a diversion berm within the left
floodplain easement of UT1A to capture additional upland flow from the cattle feeding area and route it
into BMP 1.
6,6.8 UT1B
UT1B is a stable stream with low banks and is proposed for enhancement II.This stream will be treated
for invasive vegetation as the adjacent area is overgrown with kudzu. A narrow right floodplain is being
preserved consistent with the proposal easement and greater than the minimum 15' easement required
for crediting.The left buffer will be planted with riparian species and the right buffer will be
supplemented with native plantings as needed to complement the existing row of trees.
6.6.9 UT2 and UT3
Due to the proposed changes in the alignment and profile of Oak Hill Creek, the alignments of UT2 and
UT3 would need to be extended and profiles raised in order to continue positive flow to Oak Hill Creek.
For both streams, the existing culverts terminated near the existing toe of bank of Oak Hill Creek.
The 36-inch corrugated metal pipe(CMP) culvert at UT2 was in poor condition and will be removed and
replaced with a 36-inch High-Density Polyethylene pipe(HDPE)with a downstream invert that is 1.7 feet
above the existing invert.
The 30-inch Reinforced Concrete Pipe (RCP) culvert at UT3 was found to be in usable condition, but
undersized, especially in regards to aquatic organism passage considerations.The existing culvert will be
reused as a flood relief culvert and a new 36-inch HDPE pipe will be the primary culvert.The new design
will raise the culvert 2.7 feet above the existing downstream invert.The adjacent landowner's driveway
will be modified with new grading to obtain the needed cover over the proposed pipes.
From these proposed downstream inverts, UT2 and UT3 were designed to flow over low slopes (0.5
percent) until their respective confluences with Oak Hill Creek. A major design concern for these small
tributaries was instability during flooding events associated with Oak Hill Creek. The constructed parts
of these streams will be heavily planted with livestakes and seeded with riparian vegetation to mitigate
this risk. Additional transplants from onsite will be preferentially placed in the floodplain immediately
upstream of these tributaries. Woody debris will also be mixed in among the heavily planted areas to
roughen the floodplain and slow flood waters.
6.7 Wetland Design Approach Overview
The Site includes riparian riverine headwater seep, pocket, and floodplain wetlands that will be re-
established and rehabilitated. Proposed wetland restoration and creation areas are adversely impacted
by agricultural ditching, historic channel manipulation, channel downcutting, manmade subsurface
drainage, cultivation for row crops, and cattle impacts.The proposed approach will include multiple
activities to restore site hydrology and vegetation.
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This project includes the re-establishment,
Area Proposed for Wetland Restoration
rehabilitation, and creation of 9.4-acres of historically
altered wetland-riparian complexes on the floodplains
of Oak Hill Creek and UT1. Both streams will be
constructed through the proposed wetland
restoration areas with a priority 1 restoration
approach that will raise the water table elevation ands
restore the natural overbank flooding regime. Ditches .j �f A{w� � • = ,
and subsurface drainage tiles located within the
conservation easement will be filled or removed to ".-^ 4,
improve hydrology. Riparian wetlands within the f'` • �� 1
project area will be planted with native wetland
species specific to the target wetland community type
of Bottomland Hardwood Forest as outlined in Section 6.9 and invasive species will be treated. Wetland
potential and hydrology were assessed with soils analysis and existing groundwater gages. Reference
wetland community data was used to propose wetland herbaceous and woody vegetation planting.
Wildlands analyzed information presented below to understand how existing incised streams and
farming practices have affected current hydrologic conditions, site topography and hydric soil
development.This analysis included evaluation of how stream restoration and management of runoff
and drainage at the site could be used to create more favorable future hydrologic conditions for hydric
soil development in the proposed wetland areas.
6.7.1 Hydric Soils Investigation
A preliminary hydric soils investigation was conducted in December 2018 by a licensed soil scientist
(LSS), followed up by an additional boring study in March 2020 to assess the extent and depth of hydric
soil indicators on site.The field assessments have been combined into one summary report and figure
(Appendix 5).The findings were used to indicate wetland re-establishment potential and depth of
potential overburden material from the historic manipulation of site soils for agricultural purposes.
Areas containing hydric soils but lacking a wetland hydrologic regime were likely functional wetlands
prior to floodplain fill and drainage activities. Proposed wetland re-establishment areas were mapped as
the Chewacla soil series by NRCS. However, hydric soils observed in Wetlands 1 and 3 were more
consistent with the Wehadkee soil series while soils in Wetlands 2 and 4 were more consistent with
Chewacla. According to the USACE Wilmington District Stream and Wetland Compensatory Mitigation
Update (2016), the established Wetland Saturation Threshold for the Chewacla and Wehadkee soil
series in the North Carolina Piedmont ranges from 10-16%.
A total of 91 hand augured soil borings were performed as part of the hydric soil investigations. Soil
borings were classified as non-hydric within 10 inches of soil surface, hydric soils with a depleted matrix
(F3), and hydric soils considered piedmont floodplain soils (F19). At boring locations,the depth below
the existing land surface to hydric soil indicator was noted.The report from the LSS (Appendix 5)
supports Wildlands' proposed wetland restoration plans and provides supporting data for the specific
approaches and activities proposed. Along UT1, the review of historic aerial photography coupled with
field observations of topography and soils are indicative of fill placement over historic wetlands.
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6.7.2 Reference Wetlands
An existing wetland approximately 7 miles from the Site, Oak Hill Dairy Reference Wetland
and adjacent to Wildlands' Owl's Den Mitigation Site in
Lincoln County, is a mature Piedmont Bottomland Forest
rr�x
reference within the floodplain of Howards Creek. Review ;;`'
of historical aerials and field conditions reveal no recent
ro •
disturbance to the wetland. Mature vegetation is s:-
established and the natural flooding regime has been
preserved.The hydrology of this system is intermittently, .4
temporarily, or seasonally flooded. While the hydrology `- r• e f R
data collected at the Owl's Den reference site indicates s.�+ y�
that it is wetter than what is anticipated at Oak Hill Diary, '-
the vegetation provides a good reference on a site that
exhibits similar soil types and topographic form to the Oak Hill Site.
The vegetation at the reference site is being used as a basis for the planting plan for the wetland
restoration and creation on the project Site.The existing vegetation communities at the reference site
are typical of a Bottomland Hardwood Forest and include mature canopy tree species, subcanopy and
shrub species, as well as an herbaceous layer. Dominant canopy species include river birch, green ash,
sycamore, box elder, and red maple. Understory species include ironwood and spicebush.The
herbaceous layer within the reference wetland includes arrow arum,jewelweed, and lizard's tail, with
microstegium also present.
6.7.3 Measured Hydrologic Data
Seven groundwater monitoring gages were installed throughout the Site on December 20, 2019 and
monitored through September 8, 2020.The location of the existing groundwater gages is shown in
Figure 2. Gages were placed throughout the existing floodplain at the site to evaluate the existing
groundwater elevations throughout the growing season (March 20 to November 14 (239 days)for
Gastonia, North Carolina).Table 27 summarizes the available groundwater data.
For the 2020 growing season, none of the seven groundwater gages installed on the Site met the
Wetland Saturation Threshold. Groundwater gages#1 and #3 were located in the floodplain along Reach
3 and Reach 4 of Oak Hill Creek and logged more consecutive and cumulative days with the water table
within 12 inches of the ground surface than the other gages.These gages also have a more muted
response to rainfall suggesting a strong toe of slope hydrology that results in a more prolonged and
evenly distributed hydrologic input under current conditions. Groundwater gage#2 was located closer
to Oak Hill Creek in a position influenced by natural levy formation or manmade side-casting and much
closer to the drawdown influence of the incised Oak Hill Creek. Gage#4 appears to have good potential
to meet criteria based on a more prolonged drawdown after rainfall and a water table that is drastically
affected by site drainage. It is adversely impacted by the downstream ditch and subsurface wood drain
tile lowering hydrology in existing Wetland B. Gages#5-7 were not very close to achieving prolonged
saturation within the upper 12" of the soil column. Gage#5 is adjacent to the start of the ditch draining
existing Wetland B and is also perpendicular and in close proximity to a meander bend in Oak Hill Creek
that is incised five feet below the grade of the floodplain on which gage#5 is situated -a wooden
drainage tile is visible in the left bank of the creek coming from the direction of the gage. Gages#6 & 7
are located approximately 5' below the adjacent incised UT1 channel.This high ground was noted in the
LSS' report as a topographic anomaly attributable to historic channel manipulation for agricultural
purposes (Appendix 5). These gages are in narrower valleys before the confluence of the Oak Hill Creek
with UT1.The drawdown influence is corresponding more pronounced from incised and ditched creek
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channels located in closer proximity. At the same time,the hillslope hydrology is less pronounced than
the influence of the 15 acres of ephemeral flow entering the Site near gages#1 &3.
Table 27: Existing Groundwater Monitoring Gage Data and Analysis Results
Consecutive Days in Growing Season Wells Consecutive Percent Growing Season
Gage Met Groundwater Depth Criterion Under Wells Groundwater Depth Criterion
Normal Rainfall Conditions(Days) Under Normal Rainfall Conditions(%)
1 15 6.3%
2 4 1.7%
3 24 10.0%
4 2 0.8%
5 2 0.8%
6 1 0.4%
7 1 0.4%
6.7.4 Existing Wetland Manipulation and Drainage
Agricultural manipulation at the Site includes the moving and straightening
of the streams. Historical aerials suggest the stream had been altered 1950 Aerial Depicting Dredging along
Entire Length of Oak Hill Creek
(ditched) prior to the earliest available aerial from 1938. Subsequent photos
in 1950 and 1956 show signs of ditching in Oak Hill Creek prior to 1950 (see
photo to right), and relocation and straightening of UT1 between the two ..; Si,-
dates to its present approximate location.The straightening of the channels "--� 4
likely involved side-casting of dredged material to confine the channel and
may have established a lower channel grade or led to subsequent down- - _
cutting and a resulting lowering of the groundwater table on the Site. +
Multiple headcuts are still advancing upstream of gages#6 &7 on UT1, and litio
the existing culvert at Roy
Visualization of Existing Berm Piles Along Eaker Road is perched t-
Oak Hill Creek Using QL1 LiDAR 1 indicating prior headcutting as "
--4.-leiltN,<- : .„
F ' well. Remnant piles of 'N_' ' 1-14( .
'," ,-K "1; ! dredged material, or berms, . ,'t , 01
e
` 4`
4 , can be visualized along Oak . �'�'
Hill Creek using recent Quality
Reach 4
",., �' a. Level 1 (QL1) LiDAR as shown' Secondary( berm
�,, e
( in the image to the lower left.
a' { ` This channel manipulation has led to a lower water table
, ' r throughout much of the site as evidenced by hydric soil
5.z', indicators and a decrease in the frequency of floodplain
.c,.lZ•. Fill berm ,fi activation, primary factors for the absence of functioning
o UT3 `, floodplain wetland complexes at the Site.
` .
Original berm from ' Several low gradient ditches at the Site drain wet areas of
trapezoidal dredging the floodplain. Many of these ditches show up as linear
Reach 3 wetlands in the PJD as they have not been recently
f , m" maintained, are very wet, and have wetland vegetation.
`` - r The largest example of this is a ditch that runs along the
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DMS ID No. 100120 Page 34 March 22,2021

toe of the valley in the left floodplain of Oak Hill Creek Reach 3 and
Reach 4.This ditch captures water at the toe of slope and routes it to 1984 Infrared Photo Depicting Drainage
an outlet ditch that parallels Robert Road.This water is then channeled Ditches on Left Side and Center of Valley
to the culvert under Robert Road at the downstream limits of the Site.
As such, toe of slope hydrology bypasses the left floodplain of Oak Hill
Creek Reach 3 and Reach 4. Similar ditches also occur in the left
floodplain of Oak Hill Creek Reach 1 and Reach 2 and the right
floodplain of UT1 Reach 2.
6,7,5 Proposed Wetland Design
The proposed stream work and wetland grading will restore wetland
hydrology to filled and drained areas of the site. Priority 1 stream •
restoration of profile and cross-section will increase the frequency of
overbank flooding. This stream restoration approach will also reduce
groundwater flow gradient from the toe of slope and floodplain
wetland areas to the stream, resulting in less drawdown in the water
table across the Site. Grading to remove ditches and subsurface
drainage features within the Site will also improve the wetland f
hydrology.The proposed grading will eliminate linear ditches and plug x'
ditch outlets to the stream, remove or reduce side cast material from
ditch and stream banks, and remove areas of field fill and crowning. •
This work will promote a more natural infiltration and groundwater
flow regime through the site and remove overburden from buried hydric soils. Wetland vegetation
establishment will be enhanced by addressing soil compaction and any poor-quality soils that are found
during construction. Compaction will be addressed by loosening or roughening the ground with
available equipment and poor-quality soils will be addressed with soil amendments or with the re-
application of harvested topsoil.
In all wetland rehabilitation and re-establishment areas (areas credited at both 1:1 and 1.5:1 ratios),
grading cuts of greater than 12 inches account for 16.8%of the area.These cut areas are mostly
relegated to the berms and sidecast piles found in the left floodplain of Oak Hill Creek Reaches 3 and 4
and the right floodplain of UT1 as shown in Figure 10. Grading in these areas was dictated by the stream
design, where the proposed stream bankfull was placed at the existing low point in the valley. Sidecast
piles from maintenance of the existing stream and the wetland toe ditch created high points on either
side of the proposed stream greater than 12 inches.These high points will be removed to connect the
proposed stream to existing wetlands and to allow the stream access to a majority of the floodplain
during flood stages. Creation wetland areas contain more extensive grading with areas of grading
greater than 12 inches accounting for about 31.8%of the total creation area.
Wetland rehabilitation at a credit ratio of 1:1 was proposed for existing wetlands that were delineated
in the left floodplain along Oak Hill Creek Reaches 3 and 4. While no expansion of wetland area will
occur in the 1:1 wetland rehabilitation area, wetland function will uplift by a large margin in these areas.
A majority of the area proposed at 1:1 wetland rehabilitation consists of an agricultural field that is
plowed and planted in some years or an existing ditch at the toe of slope. NC WAM forms indicate that
these areas are very low or poor functioning in all categories. Existing wetlands in other areas of the Site
were found to be in better condition and are proposed as wetland rehabilitation at a 1.5:1 credit ratio.
Collectively, the proposed changes to the Site are anticipated to enhance the hydrology to meet targets
consistent with the formation and support of wetlands and the targeted communities.
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In many areas within the site,the LSS hydric soil assessment indicated hydric indicators below 10" and
there was less obvious evidence of prior area-specific manipulation. Wildlands' review of historic and
topographic data, and the distribution of remnant wetlands throughout the site led us to the conclusion
that some or many of these areas were potentially part of historic wetlands, or that proposed site
activities are likely to result in wetland formation in many of these areas supporting floodplain wetland
functions. For this reason, we have proposed wetland creation in select areas where assessment data
was insufficient to support re-establishment.
6.8 Stormwater BMPs
Two stormwater BMPs are proposed for the Site, as depicted on Figure 9.
Runoff from the dairy's outdoor feeding area on the left side of UT1A enters UT1A as dispersed overland
flow and enters the left floodplain of UT1 through an existing swale. BMP 1 will be established within
the conservation easement at the outlet of the existing swale to capture and treat the drainage from
this area. Approximately 3 acres drains to the proposed BMP 1, including the farmhouse and other
upland areas. BMP 1 has been designed to provide initial volume storage and initial and long-term
treatment and to step the runoff down from the terrace onto the left floodplain of UT1. It will be outlet
to a flow dispersing feature onto the floodplain to filter through the riparian buffer into UT1.
BMP 2 will be installed outside of the proposed wetland re-establishment along Oak Hill Creek Reach 3
and will slow and provide initial volume storage and initial and long-term treatment for the contributing
15-acre drainage that starts near the dairy waste lagoon and includes adjacent fields, both fallow and in
crop production.The waste lagoon is designed for a 25-year 24-hour storm and, unless flows exceed the
lagoon capacity,there is no discharge from the lagoon. Stormwater runoff from the fields, entering the
proposed BMP at the downstream limits of an NRCS grassed swale practice. While the waste lagoon is
designed not to overtop, it has overtopped on one prior instance in the last several decades and the
BMP provides an additional buffer to the wetlands and floodplain of Oak Hill Creek and treats a
significant area of fallow or cultivated land that may be used in the future for grazing. Additional
easement has been obtained in this area for the BMP.The outlet of BMP 2 will be designed for diffusion
of the collected outflow into the adjacent floodplain and wetlands and a high flow outlet to manage
large rainfall events in a stable manner.
The two BMPs will be planted with wetland seeding, plugs and livestakes. No direct mitigation credit is
requested for BMPs.
The primary maintenance risks for the BMPs are erosion issues throughout the BMP system as well as
sediment loads filling the BMP basins and reducing volume capacity over long-term time scales.
Minimizing maintenance is a major design criterion for the BMPs.
To reduce erosion associated with BMP systems and to promote vegetation establishment,the banks
of the BMP basins will be laid back as much as practical. Slopes steeper than 4:1 will be stabilized with
erosion control matting. All areas associated with the BMP systems that have been disturbed will be
seeded and will be monitored for vegetation establishment after construction has been completed.
Areas without sufficient vegetation will be prepared and re-seeded until adequate vegetation is
established.
The BMP overflow areas were designed with low slopes from the BMP basin to the Conservation
Easement boundaries to reduce the risk of scour or downcutting in the overflow conveyance. Due to
existing topography at the site, conveyance areas upslope of the BMPs will have higher slopes and a
potential for headcuts. Potential nick points in the upslope conveyances will be addressed with
structures (rock steps, etc), pools,the addition of rock to harden the conveyance bed in key areas, and
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erosion control matting where needed.
Sediment loads filling the BMP basin are likely unavoidable over long-term time scales and should be
interpreted as the BMP functioning properly. BMP basins will not be maintained for sediment and the
initial volume storage, once filled, will be replaced by the increased function of the floodplain as a
vegetated filter strip as the floodplain vegetation matures. Due to the relative size of the BMPs
compared to the contributing watersheds, it is expected that it may take several years to a decade
before BMP volume capacity is reduced such that filtration and vegetative uptake become the
dominating treatment mechanism.
6.9 Vegetation, Planting Plan, and Land Management
Non-forested areas within the conservation easement will be planted, which includes additional buffer
areas beyond the minimum requirement of 50 feet from top of bank. Riparian buffers will be planted
with early successional native vegetation chosen to develop a forested riparian zone.The specific
species composition to be planted was selected based on the target community type, observation of
occurrence of species in riparian buffers adjacent to the Site, availability of nursery stock, and best
professional judgement on species establishment and anticipated Site conditions in the early years
following project implementation. Species chosen for the planting plan are listed on table 28 below and
on Sheet 4.1 of the Preliminary Plans located in Appendix 12.Wildlands used the following community
types and associated speciesfor selection for the site:
• Piedmont/Low Mountain Alluvial Forest
Canopy trees include but not limited to Betula nigra, Platanus occidentalis, Liquidambar
styraciflua, Liriodendron tulipifera, Ulmus americana, Celtis laevigata,Juglans nigra, Fraxinus
pennsylvanica, Carya cordiformis, Carya ovata, Quercus imbricaria, and Acer rubrum. Subcanopy
trees typically found in mesic mixed hardwood forest include Acer negundo,Acer floridanurn,
Acer rubrum,Asimina triloba, Ilex opaca, and Carpinus caroliniana.
• Mesic Mixed Hardwood Forest
Canopy trees include but not limited to Fagus grandifolia, Quercus rubra, Liridondron tulipifera,
Acer rubrum,Acer saccharum, Tsuga canadensis. Subcanopy trees in mixed hardwood forest
include Corn us florida, Ostrya virginiana, Evonymus americana, Kalmia latifolia.
• Piedmont Bottomland Forest
Canopy trees include but not limited to Liriodendron tulipifera, Liquidambar styraciflua, Quercus
pagoda, Quercus michauxii, Ulmus american, Celtis laevigata, Fraxinus pennsylvanica, Pin us
taeda, Carya Ovata, and Craya cordiformus. Subcanopy trees typically found in bottomland
forest include Carpinus caroliniana,Acer floridanum, Acer rubrum, Corn us florida, Ilex opaca,
and Asiminia triloba.
• Dry—Mesic Oak—Hickory Forest
Canopy trees include but not limited to Quercus alba, rubra, velutina, and muehlenbergii, Carya
alba(tomentosa), glabra, and ovalis, Liriodendron tulipifera, Liquidambar styraciflua and various
Pin us species. Subcanopy trees typically include Acer rubrum, Corn us florida, Oxydendrum
arborem, Ilex opaca, and Nyssa sylvatica.
The riparian buffer and most wetland areas will be planted with bare root seedlings. In addition,the
stream banks will be planted with live stakes and the channel toe will be planted with multiple
herbaceous species. Permanent native herbaceous seed will be spread on streambanks,floodplain
areas, and wetlands including all disturbed areas within the project easement. Bare root seedlings and
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live stakes will be planted in the dormant season between November 15 and March 15. Figure 12
illustrates the proposed planting zones throughout the Site.
Land management activities on the site will largely focus on treating invasive plant populations and
pasture grasses. Existing invasive plant populations on the site include Bamboo (Phyllostachys aurea),
Chinese privet(Ligustrum sinense),Japanese honeysuckle (Lonicera japonica),Japanese knotweed
(Polygonum cuspidaturn), kudzu (Pueraria montana), English ivy(Hedera helix) and marsh dewflower
(Murdannia keisak). Limited populations of multiflora rose (Rosa multiflora) also exist on the site. Some
of the existing invasive species and pasture grasses along restoration and enhancement reaches will be
treated preconstruction, while others will be treated primarily by mechanical removal during
construction.The extent of invasive species coverage will be monitored, mapped, and controlled as
necessary throughout the required monitoring period. Please refer to Appendix 8 for the post
construction invasive species plan. Additional monitoring and maintenance issues regarding vegetation
are in Sections 8 and 9 and Appendix 10.
Table 28: Planting List
Species Common Name Wetland Indicator
Open Buffer Planting Zone
Acer negundo Boxelder FAC
Platanus occidentalis Sycamore FACW
Betula nigra River Birch FACW
Liriodendron tulipifera Tulip Poplar FACU
Quercus Phellos Willow Oak FAC
Oxydendrum arboretum Sourwood UPL
Disopyros virginiana Persimmon FAC
Populus deltoides Eastern Cottonwood FAC
Carya cordiformis Bitternut Hickory FACU
Quercus alba White Oak FACU
Alnus serrulata Tag Alder OBL
Hamamelis Virginiana Witch Hazel FACU
Corn us florida Flowering Dogwood FACU
Lindera benzoin Spicebush FAC
Amelanchier arborea Serviceberry FAC
Partially Vegetated Buffer Planting Zone
Carpinus caroliniana American Hornbeam FAC
Euonymus americana Strawberry Bush FAC
Lindera benzoin Spicebush FAC
Fagus grandifolia American Beech FACU
Ulmus rubra Slippery Elm FAC
Hamamelis Virginiana Witch hazel FACU
Calycanthus floridus Sweetshrub FACU
Corn us florida Flowering Dogwood FACU
Asima triloba Pawpaw FAC
Quercus rubra Northern Red Oak FACU
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Species Common Name Wetland Indicator
Wetland Planting Zone
Plantanus occidentalis Sycamore FACW
Betula nigra River Birch FACW
Quercus phellos Willow Oak FAC
Ulmus americana American Elm FACW
Nyssa sylvatica Black Gum FAC
Quercus michauxii Swamp Chestnut Oak FACW
Acer negundo Boxelder FAC
Quercus pagota Cherrybark Oak FACW
Celtis laevigata Sugerberry FACW
Alnus serrulate Tag Alder OBL
Lindera benzoin Spicebush FAC
Cephalanthus occidentalis Button bush OBL
Sambucus canadensis Elderberry FAC
Streambank Planting Zone
Salix nigra Black Willow OBL
Cornus amomum Silky Dogwood FACW
Salixsericea Silky Willow OBL
Cephalanthus occidentalis Button bush OBL
Sambucus canadensis Elderberry FAC
Juncus effusus Common Rush FACW
Carex crinita Fringed Sedge OBL
Carex lurida Lurid Sedge OBL
Carex lupulina Hop Sedge OBL
Scirpus cyperinus Woolgrass FACW
6.10 Project Risk Management
The risks for the final design, construction and monitoring and long-term success of this project have
been considered and evaluated for mitigation and minimization of identified risks.The summary below
discusses common and perceived project-specific risks, including permitting issues, easement issues,
instability or compromised function of stream or wetland assets, issues with crossing stability or use,
adjacent and upstream land use considerations, and invasive species concerns.
Urban flows from Oak Hill Creek are a concern to the stability of channels and floodplains, particularly
on a short-term basis after construction due to flashy flows and an increased frequency of out-of-bank
events. Wildlands modified the approach to Reach 1 to include more comprehensive floodplain
establishment and address the issue with existing benching being inaccessible at flows below the 10-
year USGS return interval. Wildlands anticipates that a good stand of vegetation can be established on
floodplains to help reduce high flow impacts. In addition, floodplain roughening will be proposed on
floodplains using onsite wood and brush, live wattles or cuttings during the first dormant season, and/or
through shaping of hummocky topography to mimic natural floodplain roughness. A related concern is
the stability of crossings. In order to reduce crossing risk, Wildlands and the landowners were able to
agree on changing out a proposed culvert on Oak Hill Creek Reach 1 for a ford.The ford will allow for
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more natural floodplain grading and should be a more stable option on this creek influenced by an
urban flow regime. Both Oak Hill Creek and UT1 crossings have been designed so that the wide
floodplains can serve as a flood bypass of the proposed crossings. On UT1, this will allow flows in excess
of bankfull to access a wide floodplain on the right-hand side of the crossing,thereby relieving the
structure of excess stresses from high flow events or debris.
Wildlands had some concerns during development of the proposal that existing heavy use and cultivated
upland activities could impact project assets during heavy rainfall. As a result, two BMPs were proposed
to reduce the annual impact of upland runoff on water quality and to spread out and disperse more
these more concentrated flow paths over a broader area that would allow the natural buffer to function
as intended. Wildlands will observe BMP function and make minor adjustments as necessary to ensure
that the practices function sustainably on their own after vegetation establishes.
Invasive species management is a primary consideration on this Site. Primary risks are species spread
during construction and that species would compete with growth of native species, particularly woody
species.To combat these risks, Wildlands is performing pre-construction treatment and will perform
mechanical removal on areas within and beyond the easement boundary, and vigorous post-
construction inspection and treatment to reduce address initial vulnerability. Wildlands will perform
regular inspection and persistent treatment throughout the monitoring period to address the general
risks posed by competition from invasive species.
All stream and wetland projects have some risk for beaver colonization.There is no onsite evidence of
current or past beaver activity in the project limits. If beaver move into the project areas, Wildlands will
follow the Maintenance Plan (Appendix 10)to address the issue.
Should utility/roadway maintenance work occur in the future and encroach within the conservation
easement, Wildlands will follow the Maintenance Plan to repair disturbed signage or damaged stream
areas.
7.0 Performance Standards
The stream and wetland performance standards for the project will follow approved performance
standards presented in the DMS Mitigation Plan Template (Version 2.3,June 2017), the Annual
Monitoring Template (June 2017), and the Wilmington District Stream and Wetland Compensatory
Mitigation Update issued October 2016 by the USACE and NCIRT. Annual monitoring and routine site
visits will be conducted by a qualified scientist to assess the condition of the finished project. Specific
performance standards that apply to this project are those described in the 2016 Compensatory
Mitigation Update including Vegetation (Section V, B, Items 1 through 3) and Stream Channel Stability
and Stream Hydrology Performance Standards (Section VI, B, Items 1 through 7). Performance standards
for this project are summarized below in Table 29.
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Table 29:Summary of Performance Standards
Parameter Monitoring Feature Performance Standard
STREAM SPECIFIC PERFORMANCE STANDARDS"
Dimension Cross-Section Survey BHR<1.2; ER>2.2 for C/E channels
Pattern and Profile Visual Assessment Should indicate stream stability
Substrate Pebble Counts Coarser material in riffles;finer particles in pools
Photo • Cross-Section Photos • No excessive erosion or degradation of banks
Documentation • Photo Points • No mid-channel bars,Stable grade control
Hydrology Pressure Transducer • Four bankfull events during the 7-year period;in separate years
WETLAND SPECIFIC PERFORMANCE STANDARDS
Free groundwater surface within 12 inches of the ground surface
for a minimum of 12%(28 consecutive days) of the growing
season for Gaston County under normal precipitation
conditions. Soil temperature will be recorded with probes and
correlated to bud burst and leaf drop observations to
corroborate the start and end of the growing season based on
USACE guidance. Growing season dates are defined as March 20
to November 14(239 days) by the Gastonia, North Carolina
WETS table for 50%probability of temperatures greater than 28
Hydrology Pressure Transducer degrees Fahrenheit. In order to verify the length of the growing
season,soil temperature probes will be used per the 2016
USACE Guidance for Compensatory Stream and Wetland
Mitigation.Soil temperature probes will be located at a depth of
12 inches.The growing season may be defined as that portion of
the year where soil temperature remains above 40 degrees
Fahrenheit and when possible should be corroborated with
vegetative indicators, including bud burst and leaf drop.The
growing season may not begin before March 1 of each year
when calculating hydroperiods.
Photo Photo Points Should show wetland stability and planting success.
Documentation
SITE PERFORMANCE STANDARDS
MY3 success criteria:320 planted stems per acre,
MY5 success criteria: 260 planted stems per acre, average of 7
Vegetation Vegetation Plots feet in height in each plot
MY7 success criteria:210 planted stems per acre,average of 10
feet in height in each plot
Visual Assessment CCPV Signs of encroachment, instability, invasive species
1: BHR=bank height ratio,ER=entrenchment ratio
2:The tributaries are designed to incise as they approach the main streams,so this would not be considered a trend towards
instability. Riffles may fine over the course of monitoring due to the contribution of upstream watershed sediment sources.
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8.0 Monitoring Plan
Project monitoring components are listed in more detail in Table 30. Approximate locations of the
proposed vegetation plots and cross section locations are illustrated in Figure 11.
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Table 30: Monitoring Components
Quantity/Length by Reach
Parameter Monitoring Feature Oak Hill Oak Hill Oak Hill Oak Hill UT1 UT1 Frequency Notes
Reach 1 Reach 2 Reach 3 Reach 4 Reach 1 Reach 2 UT1A UT1B
Riffle Cross-sections 1 1 1 1 1 3 1 N/A Year 1 2 3
Dimension 5,and 7 1
Pool Cross-sections - 1 1 - - 2 1 N/A
Pattern Pattern N/A N/A N/A N/A N/A N/A N/A N/A N/A
2
Profile Longitudinal Profile N/A N/A N/A N/A N/A N/A N/A N/A N/A
Substrate Reach wide(RW) Pebble 1 RW 1 RW 1 RW 1 RW 1 RW 1 RW 1 RW N/A Year 1,2,3, 3
Count 5,and 7
Hydrology Crest Gage(CG) and/or 1 CG 1 CG 1 CG N/A Semi-Annual 4
Transducer(SG)
CVS Level 2/Mobile Plots Year 1,2,3
Vegetation 19 Total (13 Permanent,6 Mobile) N/A5
(Permanent/Mobile) 5,and 7
Wetland Groundwater Gages 11 N/A 3 X per year
Visual Assessment Yes Semi-Annual 6
Exotic and nuisance
Semi-Annual 7
vegetation
Project Boundary Semi-Annual 8
Reference Photos Photographs 24 Annual
1. Cross-sections will be permanently marked with rebar to establish location.Surveys will include points measured at all breaks in slope,including top of bank,bankfull,edge of water,and
thalweg.
2. Pattern and profile will be assessed visually during semi-annual site visits.Longitudinal profile will be collected during as-built baseline monitoring survey only,unless observations indicate
widespread lack of vertical stability(greater than 10%of reach is affected)and profile survey is warranted in additional years to monitor adjustments or survey repair work.
3. Riffle 100-count substrate sampling will be collected during the baseline monitoring only.Substrate assessments in subsequent monitoring years will consist of reachwide substrate monitoring.
4. Crest gages will be monitored using automated pressure transducers.Transducers will set to record bank full events at least twice a day and stream flow at least every 3 hours and will be
inspected quarterly or semi-annually.Evidence of bankfull and stream flow events will be documented with a photo when possible.
5. Both mobile and permanent vegetation plots will be utilized to evaluate the vegetation performance for the open areas planted.2%of the open planted acreage will be monitored with
permanent and mobile plots.Permanent vegetation monitoring plot assessments will follow CVS Level 2 protocols.Mobile vegetation monitoring plot assessments will document number of
planted stems and species using a circular or 100 m2 square/rectangular plot.
6. Visual assessment to include UT2 and UT3 as well as photos of BMP inlets and outlets for the as-built and MY1 reports.
7. Locations of exotic and nuisance vegetation will be mapped.
8. Locations of vegetation damage,boundary encroachments,etc.will be mapped.
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9.0 Long-Term Management Plan
The Site will be transferred to the North Carolina Department of Environmental Quality (NCDEQ)
Stewardship Program.This party shall serve as conservation easement holder and long-term steward for
the property and will conduct periodic inspection of the Site to ensure that restrictions required in the
conservation easement are upheld. Funding will be supplied by the responsible party on a yearly basis
until such time an endowment is established.The NCDEQ Stewardship Program is developing an
endowment system within the non-reverting, interest-bearing Conservation Lands Conservation Fund
Account.The use of funds from the Endowment Account will be governed by North Carolina General
Statue GS 113A-232(d)(3). Interest gained by the endowment fund may be used for the purpose of
stewardship, monitoring, stewardship administration, and land transaction costs, if applicable.
The Stewardship Program will periodically install signage as needed to identify boundary markings as
needed. Any livestock or associated fencing or permanent crossings will be the responsibility the owner
of the underlying fee to maintain.
The Site Protection Instrument can be found in Appendix 9. Activities included in the long-term
management plan are included in Table 31.
Table 31: Long-term Management Plan
Long-Term Management Activity Long-Term Manager Responsibility Landowner Responsibility
The landowner shall report
damaged or missing signs to the
The long-term steward will be long-term manager,as well as
responsible for inspecting the Site contact the long-term manager if
Signage will be installed and boundary during periodic inspections a boundary needs to be marked,
maintained along the Site (every one to three years)and for or clarification is needed
boundary to denote the area maintaining or replacing signage to regarding a boundary location. If
protected by the recorded ensure that the conservation land use changes in future and
conservation easement. easement area is clearly marked. fencing is required to protect the
easement,the landowner is
responsible for installing
appropriate approved fencing.
The long-term manager will be
responsible for conducting periodic
inspections(every one to three years)
and for undertaking actions that are The landowner shall contact the
The Site will be protected in its reasonably calculated to swiftly
entirety and managed under the correct the conditions constituting a long-term manager if clarification
terms outlined in the recorded breach.The USACE,and their is needed regarding the
restrictions associated with the
conservation easement. authorized agents,shall have the right recorded conservation easement.
to enter and inspect the Site and to
take actions necessary to verify
compliance with the conservation
easement.
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10.0 Adaptive Management Plan
Upon completion of Site construction, Wildlands will implement the post-construction monitoring
defined in Sections 8 and 9. Project maintenance will be performed during the monitoring years to
address minor issues as necessary(Appendix 10). If during annual monitoring it is determined the Site's
ability to achieve Site performance standards are jeopardized in any other way,Wildlands and DMS will
notify the members of the NCIRT and work with the NCIRT to develop contingency plans and remedial
actions.
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11.0 Determination of Credits
The final stream credits associated with the Site are listed in Table 32. Stream restoration is proposed at
a ratio of 1:1 and stream enhancement and at a ratio of 1.5:1 (for El) and 8:1 (for ElI). Wetland re-
establishment is proposed at 1:1, rehabilitation is proposed at 1:1 for enhancement of low NCWAM
rating wetlands that are currently being farmed or are actively maintained ditches and 1.5:1 for
rehabilitation of moderate NCWAM rating wetlands (see Table 12 for NCWAM rating), and creation is
proposed at 3:1. No credit is sought for BMPs, nor for proposed channel extensions of UT2 and UT3 to
tie into the realigned Oak Hill Creek mainstem channel.
Buffers proposed throughout the Site meet the minimum required 50-foot standard width for Piedmont
streams, and in most cases, far exceed it.The credit release schedule is provided in Appendix 13.
Table 32: Project Asset Table
Project Components
Existing Restoration
Project Component or Mitigation Restoration Mitigation Proposed
Reach ID Footage/ Footage/ CategoryLevel Priority Level
Ratio Credit
Acreage Acreage'
Oak Hill Creek Reach 1 581 488.527 Warm El P2 1.5 325.685
Oak Hill Creek Reach 2 431 470.085 Warm R P1 1 470.085
Oak Hill Creek Reach 3 882 877.051 Warm R P1 1 877.051
Oak Hill Creek Reach 4 523 388.273 Warm R P1, P2 1 388.273
UT1 Reach 1 252 217.749 Warm R P1, P2 1 217.749
UT1 Reach 2 1,706 1,834.520 Warm R P1 1 1,834.520
UT1A 482 469.110 Warm R P1 1 469.110
UT1B 292 291.680 Warm ElI 8 36.460
Total Stream LF 5,149 5,036.995
Wetland Re- Re-
0 4.859 RR RE 1 4.859
establishment establishment
Wetland Rehabilitation 1.805 1.805 RR RH Rehabilitation 1 1.805
Wetland Rehabilitation 0.285 0.284 RR RH Rehabilitation 1.5 0.189
Wetland Creation 0 2.481 RR C Creation 3 0.827
Total Wetland Acreage 2.090 9.429
Project Credits
Restoration Level Stream Riparian Wetland Non-Rip Coastal
Warm Cool Cold Riverine Non-Riv Wetland Marsh
Restoration 4,256.788
Re-establishment 4.859
Rehabilitation (1:1
1.994
& 1.5:1)
Enhancement
Enhancement I 325.685
Enhancement II 36.460
Creation 0.827
Preservation
Totals 4,618.933 7.680
1 Crossing lengths have been removed from restoration footage.
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12.0 References
Gaston County Planning & Development Services. 2016. Gaston County 2035 Comprehensive Land Use
Plan. Gaston County, NC
Harman et al. 1999. Bankfull Hydraulic Geometry Relationships for North Carolina Streams.AWRA
Wildland Hydrology Symposium Proceedings. Edited by: D. S. Olsen and J.P. Potyondy. AWRA
Summer Symposium. Bozeman, MT.
Natural Resources Conservation Service (NRCS). Web Soil Survey of Gaston County.
http://websoilsurvey.nres.usda.gov/app/HomePage.htm
North Carolina Division of Mitigation Services. 2007. Catawba River Basin Restoration Priorities
North Carolina Division of Water Quality(NCDWQ), 2011. Surface Water Classifications.
http://deq.nc.gov/about/divisions/water-resources/planning/classification-standards/classifications
North Carolina Geological Survey(NCGS), 1985, Geologic Map of North Carolina: Raleigh, North Carolina
Department of Natural Resources and Community Development, Geological Survey Section, scale
1:500,00, in color.
NCGS, 2017. NCGS Publications. https://deq.nc.gov/about/divisions/energy-mineral-land-
resources/north-carolina-geological-survey/interactive-geologic-maps
NCGS, 2013. Mineral Resources. http://deq.nc.gov/about/divisions/energy-mineral-land-
resources/north-carolina-geological-survey/mineral-resources
North Carolina Natural Heritage Program (NHP), 2009. Natural Heritage Element Occurrence Database,
Gaston County, NC.
Rosgen, D. L. 1994. A classification of natural rivers. Catena 22:169-199.
Rosgen, D.L. 2001. A stream channel stability assessment methodology. Proceedings of the Federal
Interagency Sediment Conference, Reno, NV, March 2001.
Schafale, M.P. 2012. Classification of the Natural Communities of North Carolina, Fourth Approximation.
North Carolina Natural Heritage Program, Raleigh, North Carolina.
Simon,A. 1989. A model of channel response in disturbed alluvial channels. Earth Surface Processes and
Landforms 14(1):11-26.
Shields,A. 1936. Application of similarity principles and turbulence research to bedload movement. Mit.
Preuss. Verchsanst., Berlin. Wasserbau Schiffbau. In W.P Ott and J.C. Uchelen (translators), California
Institute of Technology, Pasadena, CA. Report No. 167: 43 pp.
United States Army Corps of Engineers (USACE). 2016. Federal Public Notice: Notification of Issuance of
Guidance for Compensatory Stream and Wetland Mitigation Conducted for Wilmington District.
October 24, 2016.
United States Fish and Wildlife Service (USFWS), 2014. Endangered Species,Threatened Species, Federal
Species of Concern and Candidate Species, Gaston County, NC.
http://www.fws.gov/raleigh/species/cntylist/Gaston.html
Walker, Alan, unpublished. NC Rural Mountain and Piedmont Regional Curve.
Oak Hill Dairy Mitigation Site Final Mitigation Plan
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Project Location Water Supply Watershed pm NC Natural Heritage Program Managed Areas
1
i._...i County Line Targeted Local Watersheds ? Local Watershed Plan
Municipalities NC Historic Preservation Areas 303d Listed Streams
i M River Basin Significant Natural Heritage Areas
, L,_•; Hydrologic Unit Code (14-Digit)
•
Oki,* t
Figure 1 Vicinity Map
W I L D L A N D S 0 0.75 1.5 Miles Oak Hill Dairy Mitigation Site
E N G INE E R ING I I I I I Catawba River Basin 03050102
Gaston County, NC

•
Project Location
r f ti
',-_i Proposed Conservation Easement ,
7/, Preliminary Jurisdictional Wetlands 1 T
Perennial Stream
—"'— Intermittent Stream -
Non-Project Streams
Existing Ditches ,
Cross Sections ,
Y.
0Reach Breaks 'r Z. of
Robert
O Stream Classification Point(SCP#)
Existing Groundwater Gage ►. � `•, i..
Sewer Line ` /
Reach 4
i� Manholes � ° �•.
Utility Lines _ yF !1
o Utility Poles / V
��/ Cattle Access '''
•
•
�. r-
AV ,_ - . . . :
SCP7
•
s Er,....
r • ,w',
• GW_ Om
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'AA yQ #. _ G3 €3
'ti
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`ti +' g00 ' , - ram .-._
tN� \• =- -.._ 6,.---,:r••--- GWG 7 r
GWG6 XS4 Q l9
1.\v„.
GWG 5 /
- -� : - -_ • +
O -'^+r'-, r"► r •.. GWG 4: +4 1•
,,vitt ,.•• .4. ;.0."---/_*5
I , ' I Existing Wood Tile % , N.
- - r. Drain Enters Creek m
.- i'
4.
2019 Aerial Photography • _ 0' N '
Figure 2 Site Map
W I L D L A N D S 0 150 300 Feet Oak Hill Dairy Mitigation Site
ENGINEERING I I I I I Catawba River Basin 03050102
Gaston County, NC

•
A
1--I ProjectLocation m N .9
M Oak Hill Watershed
840
Subwatersheds
— Project Streams UT1A
Non Project Streams (12 acres) G0-
.:11 •{ Y � ,1
0Rob- a ,d
ti0 ,V°''.
•v
'Cat = ` e. - '# k f-
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r' r1 3 ,��r t4
•
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88e•-. T , m
'
, "'� >
.: , e -;w UT1B t
r • y'� • j
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` + (4 acres)a
UT1 •' ,
ae (333 acres) t 929 f., . pi r" • r._ 'r' 3'
- itil -
1. a.'Pi.C-., -A,. f'.. l..t•-;I
Oak Hill Creek ti0
y . ++ 940.: ` - - .,. : (1070 acres) 9 .9
. 4... l ` g60 B m
r 1 .Y j � �-
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r f r 4 .�1 (�
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. • -4 l' .:'- - ... • --.• ,I., ., ,, ,:-.:_cFacAt:.', .. .,..-......:-..."i,ir .'-'--i,9... g41.-..)::,.:.:•..''....,...'or..:::.,.. ,,,g‘
. y`xig .' 'Y
4;.=OFF cP0 t4
. 2019 AeriQl Photorap , •
_ ti
Figure 3 Watershed Map
W I L D L A N D S 0 600 1,200 Feet Oak Hill Dairy Mitigation Site
ENG I N E ERI N G I I I I I Catawba River Basin 03050102
Gaston County, NC

/ II Project Location '
;,_ i Proposed Conservation Easement •l
_T.-7 L.-- i ‘
-.....----.--7
"%-\\
1A-
~� ~,�
kb) , 1 .
--..-„,... y . el i • ir,
�...„, 1 Robert Rd
t-
1 1
"tip
{'7 406 •
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err RvbertrRd
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,,
, _ _.2C ter, r�'0013
ki
Lincolnton West USGS 7.5 Minute Topographic Quadrangle •
�- -ram j`�- �y
01,tqw tFigure 4 USGS Topographic Map
W L D L A N D S 0 350 700 Feet Oak Hill Dairy Mitigation Site
E N G I N E E R I N G I I I I I Catawba River Basin 03050102
Gaston County, NC

Project Location - HeB-Helena sandy loam, 1-6%slopes i'
Proposed Conservation Easement LdB2-Lloyd sandy clay loam,2-8%slopes
— Project Streams - PaD2-Pacolet sandy clay loam, 8-15%slopes
— Non-Project Streams - PaE-Pacolet sandy loam, 15-25%slopes
Soils - WeD-Wedowee sandy loam, 6-15%slopes
- ApB-Appling sandy loam, 1-6%slopes WoA-Worsham loam,0-2%slopes
L ChA-Chewacla loam,0-2%slopes
- Robert izi
t�
f: WeD
4,14
Reach 4
1 1 I ,
� _ •
WeD ,
.fit. ;
� 'l i f 0c5D JWOA
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- • L.B2 _
'P G3f3 F'l►
N.
T.- '` 4. H:. • - Reach 9' WeD UT x Q
-••, f,"•,..ler474115tiAt" tL. '-''... .1""r/i% ° •.. ,
l" ._ gyp} y
.aD `r .'. .dr--• =3 he .'v .
::. . !?_I,.f .! '•
,.• .- P :' /:..5„ ' ;!•%7,1 ' PaD2
2019 Aerial Photography ":� Y. Pf'. •
Figure 5 Soils Map
OWILDLANDS 0 150 300 Feet Oak Hill Dairy Mitigation Site
ENGINEERING I I I I I Catawba River Basin 03050102
Gaston County, NC

_.
Project Localon
Proposed ConservaIon Easement •.y
— Project Streams A
Non-Project Streams —
PANEL
FIRM Panels 0, 6'
812001
1%Annual Chance Flood Hazard Area (Zone AE) ( 912 ;
SFHA/Flood Zone Boundary 0269i , 't,
• 912812p0�
PPNEI. ; , .
0026.1% %
912812007
+•
t` - --=- -- _i obert,R-Old • i —
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t Ro. �t
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ct
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912812 k
2019 Aerial Photography :xi 1a '
Figure 6 FEMA Floodplain Map
kbleviVif W I L D L A N D S 0 250 500 Feet Oak Hill MiLIgaLon Site
ENGINEERING I i I i I Catawba River 03050102
Gaston County, NC

A Project Location
Reference Wetland
pan krvet
Reference Reach
Physiographic Provinces of NC Danville
"or --
- Blue Ridge
rokee
Piedmont Tonal
rest
1 Coastal Plain
Deep Creek Mitigation Site
UT to Varnals Creek
I Willst0ln-
• . Y Salem Long Branch
- Gree nsb��, ,_,
Timber Tributary (mid-reach)
D Li Eli a nl
High Point
Lenoir
Cooleemee Plantation
•
P 1 E i0 M 0 i\� T Ra1eigh
r.1.rganton Statesville Foust Upstream
Boyd Branch Brookto i ;s;; Athel-��irc�
toali,bui
r• Reference Wetland
.looresvllle (?
:j , •.�
Lake Norman Group Camp Tributary US ryl,Vry
- . • Saltf. 01 s .
a�h a rn� '
A
+_
Natianal ,/1,- r-vQ
f .-I
-.I•T,At Forest
:i i li.irl,-.fit, it
' ` ~ ---- -----------Fi UT to Catawba River Reaches 1 & 2 5 i -it i•1.-.t•I
•_ I.IIIII.:I,
J 7F. .
Reservziticoi
• Spartanburg Jil i n i-i am
Greenville
Lun
D
01111111PFigure 7 Reference Reach Vicinity Map
W I L D L A N D S Oak Hill Dairy Mitigation Site
ENGINEERING 0 20 40 Miles
I I I I I Catawba River Basin 03050102
Gaston County, NC

NC Rural Piedmont and Alan Walker(Rural Piedmont/Mountain) Regional Curves: Bankfull
Discharge Plot
10000 -
NC Rural Piedmont -
Regional Curve
•
1000
N ,
a' 100 '
N
p X NRCS Alan Walker(NC Piedmont/Mountain)
Regional Curve
Q=55.699xo.7855
- ' R2=0.9931
X
10
•
Site Specific Reference Reach Curve Note:Select reference reach points above curve
• Q=66.667xo.5316 omitted use with large DA's<0.4 sq. mi., revised —
R2=0.8575 equation used for larger DA's is y=63.21x^0.74 —
(R2=0.95)
1 1 I I I I I I I l I I
0.01 0.1 1 10 100
Drainage Area (square miles)
♦ Rural Data Rural Upper 95% Limit
— Rural Lower 95% Limit • NRCS Alan Walker Curve
Select Reference Reaches for Curve Design Discharges
• Surveyed Project Reaches (Manning's Eqn.) Power (Rural Data)
Power (NRCS Alan Walker Curve) Power (Select Reference Reaches for Curve)
Figure 8 Discharge Analysis
Oak Hill Dairy Mitigation Site
0114W I L D L A N D S Catawba River Basin 03050102
ENGINEERING
Gaston County, NC

•
Project Location tt tt Proposed Fence "Pgill ,y ,
Proposed Conservation Easement Non-Project Streams _ T •� ,
/
Wetland Creation (@ 3:1 ratio) Ditches To Be Filled
b\\y Wetland Re-establishment (@1:1 ratio) Ditches To Remain '
® Wetland Rehabilitation (@ 1.5:1 ratio) Sewer Line a
Wetland Rehabilitation (@ 1:1 ratio) Ea Manholes
© Proposed Internal Crossings Utility Lines -
Stream Restoration (@ 1:1 ratio) () Utility Poles ! '
Stream Enhancement I (@ 1.5:1 ratio) 0Reach Breaks �. _" " �•
Robert "
Enhancement II (@ 8:1 ratio) 1`'" -a. — -_-___'--
No (Stream)Credit N- �`
Proposed BMP D3221114 -
P
f, 11 l
'° �rC w- : :- Reach 3 i
. i- •
tiUT3 "
rfj' BMP 2
r i CEO / :, �
a
- _ / 1;
'. ° 4:
; i Wetland 1
1 ;+ _#L '
�`' i
.... BMP 1 DMEGI 3
Reach 9 ►,�. . \ -" :triim.4.`-,%. .....
se •
o. • •
y 0
z
�:! -� a Reach f4]
-
,.;fir _' _- .'Wet/and:2 _ _ ._ , ., .. . .
.' - --*, _ _ `. . Wetland Q "VA -
r ,.
Utility Pole To \,�
Be Removed '_ .' .. . .hf. -
r-,-m:'': Wetland 3 • •
2019 Aerial Photography
Figure 9 Concept Map
Catawba
OINILDLANDS 0 150 300 Feet Oak Hill Dairy Mitigation Site
ENGINEERING I I I I River Basin 03050102
Gaston County, NC

/ WETLAND RE-ESTABLISHMENT i/ /� i ,' ' ' ' i �+ - �'` \�Z\ �,4'/i ' / ,/ ��
���� PROPOSED AT A 1:1 CREDIT RATIO °_7L // , `,\, ��` o �RQ �. - l i r
I i i ,r,, „: „.,.. .
'-' r-7- WETLAND REHABILITATION / / ^ 1 , _ _ (7
ZPROPOSEDATAI:ICREDITRATIO �j , ', 11 , 11 1 °�� �> ' o��i
L7 \\ a •.r1y i1 EXISTING POND { r ,/ m .A .n f�4 irli �' '1 -` r' - t '' L'r,LiJ '�'' z
`, I. _ ti I i 1 •I /® � / r ti-Ha
+ + + + + WETLAND REHABILITATION ' ` +_�°`' ' v `
+ + + + + PROPOSED AT A 1.5:1 CREDIT RATIO 11/ - 'RN ' 1 I I ,i / i� �'� I / ��
L t / rlBERM/SIDECAST AREA ALONG ` i 1 1 1 1 AM/ r �.. i i,7
,...,,_,‘„,_
,/\ „
_____._
",`_� -, I r - EXISTING TOE DITCH/WETLAND ,1 ' / J f ••� / ��
WETLAND //!� -- II i -�--- j /� i rr 0. . .v• ,,.....:.i.„) ,,c)
:i � i e�J'u � / y` 'i �; `-- _
/) „
/ , ,‘
PROPOSED AT A 3:1 CREDIT RATIO r`\ - _ I , t ----- _ -',— , / I / I 1,, , ,, ,c ,„ 1„,
GRADED AREAS WITHIN WETLAND \ \ ▪_ ,I _ /J ,1 Ii /' i' 4�l i l ii i 'REHABILITAITON AND v 1' - �fI,� _ ,/ _ , `I `, -�/ /�(/ , qr 1
RE-ESTABLISHMENT CREDITING v _ _')� -' ,��/I i ('-' ,r i n, / �r '1� �O�
AREAS EXCEEDING 12"OF CUT •v ) f 1 I ' I �� _ _/ i' , I `I ` /// r/ 1 ���� ��
•
7 ,)4, ,1 .. 41,,,,,,
1 + _ r% , \ 1 ` AREAS REQUIRING GRADING NOT RELATED TO LEVIES OR �')„ i i ,r , �, �! / /11 ( `
I ', ++ 1 ,`,� / w vvv1 i 1 BERM/SIDECAST AREAS PROPOSED FOR CREATION CREDIT - -'" i 1 j �I ' / �`�' ,, I �' G�
,I I+ �+ , f1�/ �� �,_ �,� EXISTING --/ r' i i /r i / ,i m t •I/ / •! •�,lii `. �`, ,
��-� ' ‘, ,� `/ , <i,^ -0 J ,_
STRUCTURES __ I 1 / / o' ' - ��® - '-
%A , V '+ OVA Ia/ I I / I -I ,r- / ,' ,r ' 'V / [ ��j 1�
00 1/,/, J ,_‘ -,
• • 111
\%\ 'I I ,\�_''i ' `I PROPOSED STREAM ALIGNMENTS ,_ -� - \----_'� i r " '\ \ / -
I ' ' `,, `� �, r' i__ _ q1 o
I ��, , 1 _ i_A _ _ _ I I � '``.� 9 / r� NATURAL LEVY OR
�� /\ , I , C ,\\ ` - ', `, K` /'.,� 1; /// 1\°X ; BERM/SIDECAST AREA ALONG
,� ,Y1 \, \, i(�� - - /' , I;� ••\\ , ,�/\\ , EXISTING OAK HILL CREEK
ct
41
(
Url/ • — 3_�3�r - _ - __ ' ,+ i / ` G / - r
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rt
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�+ L I S , v�1 _;f II _ 'r,�\\�---/ �•\ �•% �� ,'i• \••`� - - _ , _ •, / /•cj -�.r / j %' /, '`( , i .--- o
.fir .C • E —_ f A / / �.J t I< < , II r r ‘, ,
\ \ \/--- ‘-'----,--------5: -.:--__=--:=_-------_----- ------'---- 'tE
„10,. ..I\r'-':, - ,//7 _r_, ____,,
- ,,-„ „_,-",--__—___--,.--_- _ ---__ \----_=====_---=_-_----_-----.,----_-:-=:_-:-_-_-fil__,—,-------.-, ---- -----Air,/ AO '11 • • ;"'
--, -'' / , , \ l , 1 ,dJ I f , I
,_J---—________ .‘,,,. ,‘ \ \ ,‘ \\__ _ _,, ____ ,, , , .,‘ \ \ ‘, \,, ,‘, „/,,
E _- _-_ _-' ��� �\\i ' �, /� ' _ _ ', 1, 1, �, ' `t 1, +,`, i �� ` W `+ r' / ,2 i
_��� �' i A i ,�� BERM/SIDECAST AREA ALONG RIGHT BANK OF UT1, �, v+, +, '1 1, '1 Vv�A r 1I\ O I i ,' I, _ -_ - I'
�+ '` i i ' --_, 1 v •, \ v. ,v ` 1 1 1 1 `n R•. s.__vv t 1 I , , I -... -. , ' I
I r- r \ , i/ / �\ • i I I �. +� , 1 t , , �II • 1 t�"' I i i r i i
u, ` ) ___\ { _ \ I I i ,l ' II Figure 10 Wetland Grading Depth Map N c
, ' I \ ', ' 1 ---__ ', `\ 1 r^ Oak Hill Dairy Mitigation Site
i _
/ , i -' I _ .1 , 1 t `, \\ `, to + A A , A , I 1
O _ _ \, _ j / I',/ �.., I' i i \ `\\,\\ _ - \\ \1 \ \ ' \ �, \\` _,I `\t N C.` \,\ 11 +1 1+ \ ,\, ++ 1 1 ,
1 �' , Catawba River Basin 03050102
2 ,- otio
ti . +., ,rr I. ` ,/ 1 11 1 ;� v 1+ + 11 I l , A'��_ A� `V�O^' �' 1 '1 `, , `,
I \ �'/I 1 , 1' 1 \\\ \\\\\ r/ / ' I , '1 �,`I - ��111 'I 1 '1 1 1\ `I, \ \ O v
`\ //' 1 1 . / , r , , , I , w n .11 111 un l , , 1 , 1 1 A
,'` ,i// 1 I ,' I 1 \ 1 '\ \ , \ \ + 1\ IV, / Ill'`�I I VI t 1` \ \ +, �, d o1. 1
1 1 , 1 I f / , `, , , , / rl , , , 1 1 , , Gaston Count NC o
WILDLANDS '1 A, % ` , '' ;' ;��\ ��, v 1 y
ENGINEERING i �; A / /- ; ; vM� , ..\------- __.`..,_
��,� _ 9 ''
+ , `, 1• ��`v , I l , 1 , , / , ,' `I , / I / / I , 1 0' 100' 200' 300' m
i
- + 1 /! [ 1 ' , 7 7 7 r I , I (HORIZONTAL)

Project Location * Proposed BMP '%
Proposed Conservation Easement
t: Manholes _ _
Wetland Creation i'•; '-'.� .
J Utility Poles
�,,,� Wetland Re-establishment ® Reach Breaks
® Wetland Rehabilitation (@ 1.5:1 ratio) Proposed Monitoring Components -
•
WI Wetland Rehabilitation (@ 1:1 ratio) `'-
Permanent Vegetation Plots . .' :`
Proposed Internal Crossings O Mobile Vegetation Plots —_______7
Stream Restoration Cross Sections „ '
• Stream Enhancement I Crest Gages &
a�
Enhancement II )bect Rdp'
Groundwater Gages -
No (Stream)Credit Photo Points
, ,+ , .
Non-Project Streams Reach 4 '1:11,0� si5
Sewer Line ,k,,
Utility Lines ;. Y
m
19 - - y Qua �0 .
, i
��
s `'r. ''v %^ BMP 2 �i,
jq �-rf ':
e 4' 464.
ice ► t )$
_S-
• .� ti~
p
y ." " Reach 2 r + , -
�� J. —�� L
i Y
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� V4f o. . `' Reach(`�
R f}1. # j r'
--A.-fr.-sm.'.,• - - - AN.,,. 111%) -4.1. '
z �1 a Asa i fir # ; ,.
4, .‘ OA 0 .--rk 140 vz,, 40:0' .„. it.',.. _ ,,.,.LI, +, . , l•,-., i', .
I ! •
\ '` `►0 0 i Reach 1 '
a , ❑ �_ , _..r_ _ ._ ' .. 1. �" :`
i
r'r ---.--,--:----7r,r,-.'.- ''. -'44,....,' .',. '--- --:...L f. -.- i%' :\ . '(R, 'k /4 , '. 'it . ''''•r. L. f ...,
\ 880 S.1%,„... V • •
! i
2019 Aerial Photogra • ,1`. e I13 d, .�i Ai•',
Figure 11 Monitoring Components Map
*WIL D L IA NR D SG'G 0 150 300 Feet Oak Hill Dairy Mitigation Site
ENGntEEIN I I I I I Catawba River Basin 03050102
Gaston County, NC

Project Location * Proposed BMP •'
1•__; Proposed Conservation Easement Manholes _
- Riparian Planting Zone (7_) Utility Poles
Stream Bank Planting Zone ® Reach Breaks
- Supplementary Planting Zone -
r
- Wetland Planting Zone •
Proposed Internal Crossings7/1 }
Stream Restoration
Stream Enhancement I
------------:_ ,/ ,
Enhancement III RertR�
- No (Stream)Credit _ ► "70i ��
Non Project Streams Reach 4 1
•
Sewer Line '.:'
Utility Lines •
IJ
m 4
' )
at a In 1
.. D
_ ,�,,
` BMP 2
�� -I , 1,01
• r i n
V
„0• �"-
�
Art
•
•< ■�
Reach 2
; BMP 1 • - •x� 1 111]S
ei ,
,� ID N. gee ';'
_ ;: , „:
G3 9 13 _ , ,,,ter , "4- V .•
UT { -i =, , ..-- ' .
;!• 8 8B y .'% G. 1. y - `Shp. 1- % 'mow.
d•' - e �b0 a 1T. r
.2019 Aerial Photograp•y} ae • '',,,it ,'.
%IV
Figure 12 Proposed Planting Zone Map
W 01. I L D L A N D S 0 150 300 Feet Oak Hill Dairy Mitigation Site
ENGINEERING I i I I Catawba River Basin 03050102
Gaston County, NC

APPENDIX 1—Historic Aerial Photos

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APPENDIX 2—Preliminary Jurisdictional Determination

U.S. ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
Action Id. SAW-2019-00833 County: Gaston U.S.G.S. Quad: NC-Lincolnton West
NOTIFICATION OF JURISDICTIONAL DETERMINATION
Requestor: North Carolina Department of Environmental Quality
Matthew Reid
Address: 5 Ravenscroft Dr Suite 102
Asheville,NC 28801
Telephone Number: [phone]
E-mail: [e-mail]
Size(acres) 57 Nearest Town Cherryville
Nearest Waterway Indian Creek River Basin Santee
USGS HUC 03050102 Coordinates Latitude: 35.403670
Longitude: -81.351360
Location description: Project is located at 610 Roy Eaker Road, Cherryville, Gaston County,North Carolina.Parcels includes
PINs2691-90-0340, 2690-89-1706, 2690-79-8897 and 3601-00-0464.
Indicate Which of the Following Apply:
A. Preliminary Determination
14 There appear to be waters on the above described project area/property,that may be subject to Section 404 of the Clean Water
Act(CWA)(33 USC§ 1344)and/or Section 10 of the Rivers and Harbors Act(RHA) (33 USC§403). The waters have been
delineated,and the delineation has been verified by the Corps to be sufficiently accurate and reliable. The approximate boundaries
of these waters are shown on the enclosed delineation map dated 12/7/2020. Therefore this preliminary jurisdiction determination
may be used in the permit evaluation process,including determining compensatory mitigation.For purposes of computation of
impacts,compensatory mitigation requirements,and other resource protection measures,a permit decision made on the basis of a
preliminary JD will treat all waters and wetlands that would be affected in any way by the permitted activity on the site as if they
are jurisdictional waters of the U.S. This preliminary determination is not an appealable action under the Regulatory Program
Administrative Appeal Process(Reference 33 CFR Part 331).However,you may request an approved JD,which is an appealable
action,by contacting the Corps district for further instruction.
❑ There appear to be waters on the above described project area/property,that may be subject to Section 404 of the Clean Water
Act(CWA)(33 USC§ 1344)and/or Section 10 of the Rivers and Harbors Act(RHA) (33 USC§403).However, since the waters
have not been properly delineated,this preliminary jurisdiction determination may not be used in the permit evaluation process.
Without a verified wetland delineation,this preliminary determination is merely an effective presumption of CWA/RHA
jurisdiction over all of the waters at the project area,which is not sufficiently accurate and reliable to support an enforceable
permit decision. We recommend that you have the waters on your project area/property delineated. As the Corps may not be able
to accomplish this wetland delineation in a timely manner,you may wish to obtain a consultant to conduct a delineation that can
be verified by the Corps.
B. Approved Determination
❑ There are Navigable Waters of the United States within the above described project area/property subject to the permit
requirements of Section 10 of the Rivers and Harbors Act(RHA)(33 USC§403)and Section 404 of the Clean Water Act
(CWA)(33 USC§ 1344). Unless there is a change in law or our published regulations,this determination may be relied upon for
a period not to exceed five years from the date of this notification.
❑ There are waterson the above described project area/property subject to the permit requirements of Section 404 of the Clean
Water Act(CWA)(33 USC§ 1344). Unless there is a change in the law or our published regulations,this determination may be
relied upon for a period not to exceed five years from the date of this notification.
❑We recommend you have the waters on your project area/property delineated. As the Corps may not be able to accomplish
this wetland delineation in a timely manner,you may wish to obtain a consultant to conduct a delineation that can be verified by
the Corps.
❑The waters on your project area/property have been delineated and the delineation has been verified by the Corps. The
approximate boundaries of these waters are shown on the enclosed delineation map dated DATE.We strongly suggest you have
this delineation surveyed. Upon completion,this survey should be reviewed and verified by the Corps. Once verified,this survey

SAW-2019-00833
will provide an accurate depiction of all areas subject to CWA jurisdiction on your property which,provided there is no change in
the law or our published regulations,may be relied upon for a period not to exceed five years.
❑The waters have been delineated and surveyed and are accurately depicted on the plat signed by the Corps Regulatory Official
identified below onDATE.Unless there is a change in the law or our published regulations,this determination may be relied
upon for a period not to exceed five years from the date of this notification.
❑ There are no waters of the U.S.,to include wetlands,present on the above described project area/property which are subject to the
permit requirements of Section 404 of the Clean Water Act(33 USC 1344). Unless there is a change in the law or our published
regulations,this determination may be relied upon for a period not to exceed five years from the date of this notification.
❑ The property is located in one of the 20 Coastal Counties subject to regulation under the Coastal Area Management Act(CAMA).
You should contact the Division of Coastal Management in Morehead City,NC,at [phone] to determine their
requirements.
Placement of dredged or fill material within waters of the US,including wetlands,without a Department of the Army permit may
constitute a violation of Section 301 of the Clean Water Act(33 USC§ 1311). Placement of dredged or fill material,construction or
placement of structures,or work within navigable waters of the United States without a Department of the Army permit may
constitute a violation of Sections 9 and/or 10 of the Rivers and Harbors Act(33 USC§401 and/or 403). If you have any questions
regarding this determination and/or the Corps regulatory program,please contact Krystynka B Stygar at 252-545-0507 or
[e-mail].
C. Basis For Determination: Basis For Determination: Based on information submitted by the applicant
and available to the U.S. Army Corps of Engineers, the project area exhibits criteria for waters of the
U.S. as defined in 33 CFR 328, the 1987 Wetland Delineation Manual, and/or Regional Supplement
to the 1987 Manual: Eastern Piedmont and Mountains v2.0. See preliminary jurisdictional
determination form dated 12/7/2020 included in the file.
D. Remarks: None.
E. Attention USDA Program Participants
This delineation/determination has been conducted to identify the limits of Corps' Clean Water Act jurisdiction for the particular site
identified in this request. The delineation/determination may not be valid for the wetland conservation provisions of the Food Security
Act of 1985. If you or your tenant are USDA Program participants,or anticipate participation in USDA programs,you should request
a certified wetland determination from the local office of the Natural Resources Conservation Service,prior to starting work.
F. Appeals Information (This information applies only to approved jurisdictional determinations as indicated in B.
above)
This correspondence constitutes an approved jurisdictional determination for the above described site. If you object to this
determination,you may request an administrative appeal under Corps regulations at 33 CFR Part 331. Enclosed you will find a
Notification of Appeal Process(NAP)fact sheet and request for appeal(RFA)form. If you request to appeal this determination you
must submit a completed RFA form to the following address:
US Army Corps of Engineers
South Atlantic Division
Attn: Phillip Shaman,Review Officer
60 Forsyth Street SW,Room 10M15
Atlanta, Georgia 30303-8801
In order for an RFA to be accepted by the Corps,the Corps must determine that it is complete,that it meets the criteria for appeal
under 33 CFR part 331.5,and that it has been received by the Division Office within 60 days of the date of the NAP. Should you
decide to submit an RFA form,it must be received at the above address by Not applicable.
**It is not necessary to submit an RFA form to the Division Office if you do not object to the determination in this correspondence.**
Corps Regulatory Official: __AL
Date of JD: 12/7/2020 Expiration Date of JD: Not applicable

SAW-2019-00833
The Wilmington District is committed to providing the highest level of support to the public. To help us ensure we
continue to do so,please complete the Customer Satisfaction Survey located at
http://corpsmapu.usace.army.mil/cm_apex/Vp=136:4:0
Copy furnished:
Agent: Wildlands Engineering Inc
Ian Eckardt
Address: 1430 S Mint Street,Suite 104
Charlotte,NC 28203
Telephone Number: [phone] ext. 108
E-mail: [e-mail]
Owner
Cameron&Rusty Eaker Jr&SR
Address: 610 Roy Eaker Road
Cherryville,NC 28021
Telephone Number: [phone]

NOTIFICATION OF ADMINISTRATIVE APPEAL OPTIONS AND PROCESS AND
REQUEST FOR APPEAL
Applicant: North Carolina Department of File Number: SAW-2019-00833 Date: 12/7/2020
_Environmental Quality,Matthew Reid
Attached is: See Section below
❑ INITIAL PROFFERED PERMIT (Standard Permit or Letter of permission) A
❑ PROFFERED PERMIT (Standard Permit or Letter of permission) B
❑ PERMIT DENIAL C
❑ APPROVED JURISDICTIONAL DETERMINATION D
❑ PRELIMINARY JURISDICTIONAL DETERMINATION E
SECTION I-The following identifies y
Additional information may be found at
or the Corps regulations at 33 CFR Part .
A: INITIAL PROFFERED PERMIT: You may accept or object to the permit.
• ACCEPT: If you received a Standard Permit,you may sign the permit document and return it to the district engineer for final
authorization. If you received a Letter of Permission(LOP),you may accept the LOP and your work is authorized. Your
signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all
rights to appeal the permit,including its terms and conditions, and approved jurisdictional determinations associated with the
permit.
• OBJECT: If you object to the permit(Standard or LOP)because of certain terms and conditions therein,you may request
that the permit be modified accordingly. You must complete Section II of this form and return the form to the district
engineer. Your objections must be received by the district engineer within 60 days of the date of this notice,or you will
forfeit your right to appeal the permit in the future. Upon receipt of your letter,the district engineer will evaluate your
objections and may: (a)modify the permit to address all of your concerns, (b)modify the permit to address some of your
objections,or(c)not modify the permit having determined that the permit should be issued as previously written. After
evaluating your objections,the district engineer will send you a proffered permit for your reconsideration, as indicated in
Section B below.
B: PROFFERED PERMIT: You may accept or appeal the permit
• ACCEPT: If you received a Standard Permit,you may sign the permit document and return it to the district engineer for final
authorization. If you received a Letter of Permission(LOP),you may accept the LOP and your work is authorized. Your
signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all
rights to appeal the permit,including its terms and conditions, and approved jurisdictional determinations associated with the
permit.
• APPEAL: If you choose to decline the proffered permit(Standard or LOP)because of certain terms and conditions therein,
you may appeal the declined permit under the Corps of Engineers Administrative Appeal Process by completing Section II of
this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days
of the date of this notice.
C: PERMIT DENIAL: You may appeal the denial of a permit under the Corps of Engineers Administrative Appeal Process by
completing Section II of this form and sending the form to the division engineer. This form must be received by the division
engineer within 60 days of the date of this notice.
D: APPROVED JURISDICTIONAL DETERMINATION: You may accept or appeal the approved JD or provide new
information.
• ACCEPT: You do not need to notify the Corps to accept an approved JD. Failure to notify the Corps within 60 days of the
date of this notice,means that you accept the approved JD in its entirety, and waive all rights to appeal the approved JD.
• APPEAL: If you disagree with the approved JD,you may appeal the approved JD under the Corps of Engineers
Administrative Appeal Process by completing Section II of this form and sending the form to the district engineer. This form
must be received by the division engineer within 60 days of the date of this notice.

E: PRELIMINARY JURISDICTIONAL DETERMINATION: You do not need to respond to the Corps regarding the
preliminary JD. The Preliminary JD is not appealable. If you wish,you may request an approved JD (which may be appealed),
by contacting the Corps district for further instruction. Also you may provide new information for further consideration by the
Corps to reevaluate the JD.
SECTION II-RE 1 T FOR APP CTIONS TO AN INITIAL PROFFERED PERMIT
REASONS FOR APPEAL OR OBJECTIONS: (Describe your reasons for appealing the decision or your objections to an initial
proffered permit in clear concise statements. You may attach additional information to this form to clarify where your reasons or
objections are addressed in the administrative record.)
ADDITIONAL INFORMATION: The appeal is limited to a review of the administrative record,the Corps memorandum for the
record of the appeal conference or meeting, and any supplemental information that the review officer has determined is needed to
clarify the administrative record. Neither the appellant nor the Corps may add new information or analyses to the record.
However,you may provide additional information to clarify the location of information that is already in the administrative
record.
POINT OF CONTACT FOR=UESTIONS OR INFORMATION:
If you have questions regarding this decision and/or the If you only have questions regarding the appeal process you may
appeal process you may contact: also contact:
District Engineer,Wilmington Regulatory Division Mr. Phillip Shannin,Administrative Appeal Review Officer
Attn: Krystynka B Stygar CESAD-PDO
Charlotte Regulatory Office U.S.Army Corps of Engineers, South Atlantic Division
U.S Army Corps of Engineers 60 Forsyth Street,Room 10M15
8430 University Executive Park Drive,Suite 615 Atlanta, Georgia 30303-8801
Charlotte,North Carolina 28262 Phone: [phone]
RIGHT OF ENTRY: Your signature below grants the right of entry to Corps of Engineers personnel, and any government
consultants,to conduct investigations of the project site during the course of the appeal process. You will be provided a 15-day
notice of any site investigation, and will have the opportunity to participate in all site investigations.
Date: Telephone number:
Signature of appellant or agent.
For appeals on Initial Proffered Permits send this form to:
District Engineer,Wilmington Regulatory Division,Attn: Krystynka B Stygar,8430 University Executive Park Drive,Suite
615,Charlotte North Carolina,28262
For Permit denials,Proffered Permits and Approved Jurisdictional Determinations send this form to:
Division Engineer,Commander,U.S.Army Engineer Division,South Atlantic,Attn: Mr.Phillip Shannin,Administrative
Appeal Officer,CESAD-PDO,60 Forsyth Street,Room 10M15,Atlanta,Georgia 30303-8801
Phone: [phone]

PRELIMINARY JURISDICTIONAL DETERMINATION (PJD) FORM
BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR PJD: 09/14/2020
B. NAME AND ADDRESS OF PERSON REQUESTING PJD:North Carolina Department of
Environmental Quality, Matthew Reid, 5 Ravenscroft Dr Suite 102,Asheville,NC 28801
C. DISTRICT OFFICE, FILE NAME, AND NUMBER: Wilmington District, Oak Hill Dairy Mitigation
Site, SAW-2019-00833
D. PROJECT LOCATION(S) AND BACKGROUND INFORMATION: Project is located at 610 Roy Eaker
Road, Cherryville, Gaston County,North Carolina. Parcels includes PINs2691-90-0340, 2690-89-1706, 2690-
79-8897 and 3601-00-0464.
(USE THE TABLE BELOW TO DOCUMENT MULTIPLE AQUATIC RESOURCES
AND/OR AQUATIC RESOURCES AT DIFFERENT SITES)
State:NC County: Gaston City: Cherryville
Center coordinates of site (lat/long in degree decimal format): Latitude: 35.403670 Longitude: -81.351360
Universal Transverse Mercator:
UTM 17
Name of nearest waterbody: Indian Creek
E. REVIEW PERFORMED FOR SITE EVALUATION(CHECK ALL THAT APPLY):
❑Office (Desk) Determination. Date:
®Field Determination. Date(s): December 7, 2020
TABLE OF AQUATIC RESOURCES IN REVIEW AREA WHICH "MAY BE"SUBJECT TO
REGULATORY JURISDICTION
Site Number Latitude Longitude Estimated Type of aquatic Geographic authority to
(decimal (decimal amount of resources(i.e., which the aquatic
degrees) degrees) aquatic wetland vs. resource"may be"
resources in non-wetland subject(i.e.,Section 404
review area waters) or Section 10/404)
(acreage and
linear feet, if
applicable
Oak Hill Creek 35.402567 -81.351576 2451 LF Non-wetland Section 404
waters
UT 1 35.403349 -81.356898 1958 LF Non-wetland Section 404
waters
UT 1A 35.404366 -81.356856 455 LF Non-wetland Section 404
waters
UT 16 35.403016 -81.356944 206 LF Non-wetland Section 404
(intermittent) waters
UT 1B 35.403181 -81.356358 89 LF Non-wetland Section 404
(perennial) waters
UT 2 35.404079 -81.350221 90 LF Non-wetland Section 404
waters
UT 3 35.405039 -81.349823 88 LF Non-wetland Section 404
waters
Wetland A 35.404531 -81.351076 2.203 Acres Wetland Section 404
Wetland B 35.402112 -81.352008 0.138 acres Wetland Section 404

Wetland C 35.403028 -81.354322 0.021 acres Wetland Section 404
Wetland D 35.402999 -81.354572 0.028 acres Wetland Section 404
Wetland F 35.403134 -81.355993 0.131 acres Wetland Section 404
Wetland J 35.404293 -81.356829 0.047 acres Wetland Section 404
Wetland K 35.404741 -81.350125 0.0004 acres Wetland Section 404
1. The Corps of Engineers believes that there may be jurisdictional aquatic resources in the
review area, and the requestor of this PJD is hereby advised of his or her option to request
and obtain an approved JD (AJD) for that review area based on an informed decision after
having discussed the various types of JDs and their characteristics and circumstances when
they may be appropriate.
2. In any circumstance where a permit applicant obtains an individual permit, or a Nationwide
General Permit (NWP) or other general permit verification requiring "pre- construction
notification" (PCN), or requests verification for a non-reporting NWP or other general
permit, and the permit applicant has not requested an AJD for the activity, the permit
applicant is hereby made aware that: (1) the permit applicant has elected to seek a permit
authorization based on a PJD, which does not make an official determination of
jurisdictional aquatic resources; (2) the applicant has the option to request an AJD before
accepting the terms and conditions of the permit authorization, and that basing a permit
authorization on an AJD could possibly result in less compensatory mitigation being
required or different special conditions; (3) the applicant has the right to request an
individual permit rather than accepting the terms and conditions of the NWP or other
general permit authorization; (4) the applicant can accept a permit authorization and
thereby agree to comply with all the terms and conditions of that permit, including
whatever mitigation requirements the Corps has determined to be necessary; (5)
undertaking any activity in reliance upon the subject permit authorization without
requesting an AJD constitutes the applicant's acceptance of the use of the PJD; (6)
accepting a permit authorization (e.g., signing a proffered individual permit) or undertaking
any activity in reliance on any form of Corps permit authorization based on a PJD
constitutes agreement that all aquatic resources in the review area affected in any way by
that activity will be treated as jurisdictional, and waives any challenge to such jurisdiction
in any administrative or judicial compliance or enforcement action, or in any administrative
appeal or in any Federal court; and (7) whether the applicant elects to use either an AJD or
a PJD, the JD will be processed as soon as practicable. Further, an AJD, a proffered
individual permit (and all terms and conditions contained therein), or individual permit
denial can be administratively appealed pursuant to 33 C.F.R. Part 331. If, during an
administrative appeal, it becomes appropriate to make an official determination whether
geographic jurisdiction exists over aquatic resources in the review area, or to provide an
official delineation of jurisdictional aquatic resources in the review area, the Corps will
provide an AJD to accomplish that result, as soon as is practicable. This PJD finds that
there "may be"waters of the U.S. and/or that there "may be" navigable waters of the U.S.
on the subject review area, and identifies all aquatic features in the review area that could
be affected by the proposed activity, based on the following information:
3.
SUPPORTING DATA. Data reviewed for PJD (check all that apply) Checked items are included in the administrative
record and are appropriately cited:
Maps, plans, plots or plat submitted by or on behalf of the PJD requestor:

Map: Wildlands Engineering INC
▪Data sheets prepared/submitted by or on behalf of the PJD requestor. Datasheets:
®Office concurs with data sheets/delineation report.
❑Office does not concur with data sheets/delineation report. Rationale:
❑Data sheets prepared by the Corps:
❑Corps navigable waters'study:
▪U.S. Geological Survey Hydrologic Atlas:
▪USGS NHD data:
▪USGS 8 and 12 digit HUC maps:
▪U.S. Geological Survey map(s). Cite scale&quad name: 1:24,000 Scale Lincolnton, West Quadrangle
®Natural Resources Conservation Service Soil Survey. Citation: NRCS Web Soil Survey website
▪National wetlands inventory map(s). Cite name: National Wetlands Inventory website (2020)
❑State/local wetland inventory map(s):
❑FEMA/FIRM maps:
❑100-year Floodplain Elevation is: (National Geodetic Vertical Datum of 1929)
®Photographs: ® Aerial(Name & Date): 2019 aerial on GIS figures
or Z Other(Name&Date): Site photos
▪Previous determination(s). File no. and date of response letter:
❑Other information(please specify):
IMPORTANT NOTE: The information recorded on this form has not necessarily been verified by the Corps
and should not be relied upon for later jurisdictional determinations.
Signature and date of Regulatory Signature and date of person requesting PJD
staff member completing PJD (REQUIRED, unless obtaining the signature is
12/7/2020 impracticable)t
1 Districts may establish timeframes for requester to return signed PJD forms. If the requester does not respond within the established
time frame, the district may presume concurrence and no additional follow up is necessary prior to finalizing an action.

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Figure 3 Delineation Map (Overview)
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ENGINEERING I I I
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' W I L D L A N D S 0 135 270 Feet Oak Hill Dairy Mitigation Site
ENGINEERING I I Catawba River Basin 03050102
Gaston County, NC

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• '/. Potential Wetland Waters - 7••: ' / ' '
• -P, I_ • . ..:
.1-J-11...,: _•-• ii• ... - , , 1,
. ••
I. Potential Non-Wetland Waters -
• ‘ ....i_. .L ' 7 A '' i ' ' !,'• • i , - "0, • •
...1 .
• - Perennial Project Stream . _/It .-. 4, .r , .1t 4..,
i
i
- .
Intermittent Project Stream
/ • Non-Project Streams
0 Stream Classification Point(SCP#) .
. -.. ,
0 Wetland/Upland Data Point(DP#) r ,
. _
.. • . , ._ _..._ i . !. : '., 'is .i. .•h
. - . -
. ,-- - .
111‘411,41, W I L D L A N D S 0 100 200 Feet OaFikguHriell
ENGINEERING I I I t 3D.a2irDyemliniteigaattioionnMsiatep
Catawba River Basin 03050102
Gaston County, NC

�� Q n r R r
otammoiminamail,. .•
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Project Parcels
r r- Assessment Area r--- r---r - r---• '-}
V�/ Potential Wetland Waters r
• A Potential Non-Wetland Waters ,
I
Perennial Project Stream
Intermittent Project Stream r ? ,-. _
O Stream Classification Point(SCP#) • rairif ,
•
O Wetland/Upland Data Point(DP#) ":'.,.;'
■-+ 1`x_sE 2019 Aerial Photography . A
pro
y,•
iPkiirsir
Figure 3.3 Delineation Map
W I L D L A N D S 0 100 200 Feet Oak Hill Dairy Mitigation Site
ENGINEERING I I I Catawba River Basin 03050102
Gaston County, NC

li goblin RI .
. ' Si MO
SOILS
•
7 ' �hieB '/ �i� Y _ ApB Appling sandy loam, 1 6%slopes
Itzi,. / qv ',t
ibi
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r I '
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'"47 /' - — V i HeB- Helena sandy loam, 1 -6%slopes
y DP3 V:' , , r .
•s O 1 r.•. .e ',., LdB2 Lloyd sandy clay loam, 2 8%slopes
f, ,°.y.J� PaD2- Pacolet sandy clay loam, 8- 15%slopes
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i PaE- Pacolet sandy loam, 15-25%slopes
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tiy': ) ! I
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e' 0\li i.
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�"` ' .. i Potential Wetland Waters
•r� ' - r Potential Non-Wetland Waters
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- We' e ..-
'e" ' K1 Intermittent Project Stream
4
tom• ---- ; N. Non-Project Streams
_ \.'-,# . Existing Culverts
• f 0 Wetland/Upland Data Point DP#
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2019 Aerial Photography -.. 0 6.' ( cyD
Figure 4 Soils Map
4411/0,W I L D L A N D S 0 250 500 Feet Oak Hill Dairy Mitigation Site
ENGINEERING I I I Catawba River Basin 03050102
Gaston County, NC

APPENDIX 3—DWR, NCSAM, and NCWAM Identification Forms

NC DWQ Stream Identification Form Version 4.11
Date: ,A 1112,0 i B Project/Site:OaloviIt in t(it, Latitude: 25 U°,6,, g
Evaluator: t A , County: Longitude: ^' aa
•
Total Points: I Stream Determination(circle one). Other C)C �k�'"1\ C'('
Stream is at least intermittent L Ephemeral Intermittent erennia e.g.Quad Name:
if 19 or perennial if?.30*
A. Geomorphology (Subtotal = 1:1l ) Absent Weak Moderate Strong
1 a.Continuity of channel bed and bank 0 1 2 CP-)
2.Sinuosity of channel along thalweg 0 1 C 3
3. In-channel structure:ex. riffle-pool,step-pool, 0 1 !` 3
ripple-pool sequence
4. Particle size of stream substrate 0 1 2 L
5.Active/relict floodplain 0 1 2 C
6. Depositional bars or benches 0 1 3
7. Recent alluvial deposits 0 1 2
8. Headcuts ` '� 1 2 3 _
9. Grade control 0 C 1 ' 1.5
10.Natural valley 0 0.5 1 1j 1.5
11.Second or greater order channel No=0 Yes=
a artificial ditches are not rated;see discussions in manual
B. Hydrology (Subtotal = q )
12. Presence of Baseflow 0 1 2 C
13. Iron oxidizing bacteria (.. _ 1 2 ` 3
14. Leaf litter 1.5 0.5 0
15.Sediment on plants or debris 0 0.5 t 1.5
16.Organic debris lines or piles 0 0.5 1.5
17.Soil-based evidence of high water table? No=0 Yes
C. Biology (Subtotal =J,O$ ) = 1
18. Fibrous roots in streambed 2 1 0
19. Rooted upland plants in streambed S 2 . 1 0
J 20. Macrobenthos(note diversity and abundance) 0 1 2 ,
21.Aquatic Mollusks ,, 1 2 3
22. Fish M 0.5 1 1.5
23.Crayfish 0 Cam' 1 1.5
24.Amphibians 0.5 1 1.5
25.Algae CP 0.5 6 1.5
26.Wetland plants in streambed FACW=0.75; OBI_= 1.5 her „
*perennial streams may also be identified using other methods.See p.35 of manual.
Notes: 1 C " (..'1.s b/ 6-r/YA.C:t.cv,e-t.�. """'2-- S.c.d aL?t� Ct f l,.,�V"11 fir{ "� 01 V G i c +"w1
Sketch:

NC DWQ Stream Identification Form Version 4.11
Date: I Z' , : I .�") 0 1 8 Project/Site: 1 all j( Latitude: I
C, ,...>5,�1 U
Evaluator: County: 6,60cskin Longitude:- 1 t Z53 GI I
Total Points: Stream Determination(c�e-oael Other p
Stream Is at least intermittent (...1.0 �`�
'fa 19 or perennial if>_30" `� Ephemeral Intermittent Perenni� e.g.Quad Name:
A. Geomorphology (Subtotal = ��\ ) Absent Weak Moderate Strong
la Continuity of channel bed and bank 0 1 2 ('
2.Sinuosity of channel along thalweg 0 1 V :
3. In-channel structure:ex. riffle-pool,step-pool, 0 1 3
ripple-pool sequence
4. Particle size of stream substrate 0 1 4 3'
5.Active/relict floodplain 0 1 3
6. Depositional bars or benches 0 1 2
7. Recent alluvial deposits •
0 1 2
8. Headcuts k> 1 2 3
9.Grade control 0 0.5 1 1.5
10.Natural valley 0 t;(Th) 1 1.5
11.Second or greater order channel No=0 es==3``)
ile
a artificial ditches are not rated;see discussions in manual
B. Hydrology (Subtotal = IC) )
12. Presence of Baseflow 0 1 2
i
13. Iron oxidizing bacteria 0 CI) 2 3
14. Leaf litter 1.5 0.5 0
15.Sediment on plants or debris 0 0.5 OD 1.5
16.Organic debris lines or piles 0 0.5 . 9- 1.5
17.Soil-based evidence of high water table? No=0s=
C. Biology (Subtotal = GL,.cj )
18. Fibrous roots in streambed 3 2 1 0
19. Rooted upland plants in streambed 2 1 0
20.Macrobenthos(note diversity and abundance) 0 1 Q 3
21.Aquatic Mollusks C ..•i' 1 2 3
22. Fish CV..) 0.5 1 1.5 -
23.Crayfish 0.5
CJJ 1.5
24.Amphibians 0 0.5 1.5
25.Algae 0 1 _ 1.5
26.Wetland plants in streambed FACW=0.75; OBL= 1.5 �ther=9
*perennial streams may also be identified using other methods.See p.35 of manual.
Notes: .ka,Y A- ak l't , v4 YLe., ftc ('�. ""'�- ''i Sr_ ,.J�.c .: 'ti'Y .,�r v -r`.c( i' . .
) set t C .) SC-c ( 7).
Sketch:

NC DWQ Stream Identification Form Version 4.11
Date: � Z =7 fL0 11i, Project/Site: C��� �� 1i� tL ; Latitude: ?JP) LI C'Ll 2,'^1
_
Evaluator: ( Cok rk ... County: 6. co.. Longitude: --(5 1%. ` -� ( -+ Li
Total Points: r� Stream Determination(cir Other
Stream is at least intermittent f 3 Ephemeral Intermittent erennta[f e.g.Quad Name: 1a !rr
A
If a 19 or perennial if a•30*
A. Geomorphology (Subtotal = 1 ) Absent Weak Moderate Strong
_-I'Continuity of channel bed and bank 0 1 2
2.Sinuosity of channel along thalweg 0 h 2 3
3. In-channel structure:ex.riffle-pool, step-pool, 0 _ - : 3
ripple-pool sequence
4. Particle size of stream substrate 0 1 --(a? 3
5.Active/relict floodplain • 1 2 3
5. Depositional bars or benches 0 f� 2 3
7. Recent alluvial deposits 0 1 2 c _
8. Headcuts 0 1 (2-5 3
-
9.Grade control • (c _ 0.5 1 1.5
10. Natural valley 0 _ 0.5 F 1.5
, :- --X11.Second or greater order channel ( No=0 Yes=3
a artificial ditches are not rated;see discussions in manual
B. Hydrology (Subtotal= l ( )
12. Presence of Baseflow 0 1 2
13. Iron oxidizing bacteria 0 1 ( 1 3
14. Leaf litter (T.5-` 1 0.5 0
15. Sediment on plants or debris Y0 0.5 1�',77 1,5
16.Organic debris lines or piles 0 57) 1 1.5
-
17.Soil-based evidence of high water table? No=0 �Yes-=)
C. Biology (Subtotal= ) f
18. Fibrous roots in streambed 2 1 0
19. Rooted upland plants in streambed r 2 1 0
20. Macrobenthos(note diversity and abundance) Q 1 2 3
21.Aquatic Mollusks IOC 1 2 3
22. Fish _0j 0.5 1 1.5
23.Crayfish 0.5 1 1.5
24.Amphibians _ O.� 0.5 1 1.5
25.Algae 0 0.5 C 1 D 1.5
26.Wetland plants in streambed FACW=0.75; OBL= 1.5 c erg
'perennial streams may also be identified using other methods.See p.35 of manual-
Notes: A)0 0 'J:'t-( i e_._`e. i r.3 ems!_ i L.A d- ()1 it.Y i (r_-l 'r . ' i • 6 g--i U
{.i L 4: '� CA.-1.,04 .�,a,v [ (1 .t� -H ck- . `-11)if l t& }r f y •Y •it'_i ['3r i'+j 41,E stir kJ 1%y,►r
Sketch: t�%f
l ,..... .,-.7.......-19.7...1_4 I
1\
(0 v.,kg(4lg11Ai
iAV )
iii II

NC DWQ Stream Identification Form Version 4.11
Date: a ii I C7 120 I[,� Project/Site: co 1,1-1-1I al l lli'1_ Latitude 'jCj. 4 03 C)Z
Evaluator: M �i County: `� Longitude: -s)+ .15 of LiTotal Points: C C� 4 Stream Date tl circle one) Other stream is al least intermittent 5• `S•5 T,s I L4T\
• if r 19or perennial ifr30• 1•.5 Ephemeral ntermltte Perennial L e.g.QuadNarrle: GtOr-)PT
A. Geomorphology (Subtotal= Fj z ) _ Absent Weak Moderate Strong
1''Continuity of channel bed and bank 0 EE 2 3
• 2,Sinuosity of channel along thalweg 0 2 3
3.In-channel structure:ex.riffle-pool,step-pool, 1 2 3
ripple-pool sequence
4.Particle size of stream substrate 0 2 3
5.Active/relict floodplain 0 2 3
6.Depositional bars or benches 1 2 3
7.Recent alluvial deposits o t�` 2 3
8. Headcuis 1 2 f 3
9.Grade control s
0.5 1 1.5
^10.Natural valley 0 +11W0 1 1.5
11.Second or greater order channel No=0 Yea=3
'artificial ditches are not rated;see diseussions in manual
13. Hydrology (Subtotal= 7..5 )
12.Presence of Baseflow 0 1 3
13.Iron oxidizing bacteria 0 1 3
14.Leaf litter 1.5 1 . 0
15.Sediment on plants or debris 0 1 1.5
16.Organic debris lines or piles 0 T 1 1.5
17.Soil-based evidence of high water table? No=0 Yes=3
C. Biology (Subtotal=r .-. 5 )
18. Fibrous roots in streambed C3') 2 1 0
19.Rooted upland plants in streambed 2 1 0
20.Macrobenthos(note diversity and abundance) 0 V� 2 3
21.Aquatic Mollusks CD 1 2 3
22.Fish A:3 0.5 1 1.5
23.Crayfish 6.
0.5 1 1.5
24.Amphibians 0 015 1 1.5
25.Algae • 0.5 1 1.5
26.Wetland plants in streambed FACW=0.75; OBL=1.5 ther=
'perennial streams may also be identified using other methods.See p.35 of manual.
Notes A/10C+ 2-r5CAAd I 1 S (Q Dx t-k'pf
1 'f‘S al yi if,_00+ ci.%- --t vtG{. j sir*
i - 4 C,�- p.r u
Sketch: ; l a
z `

NC DWQ Stream Identification Form Version 4.1.1
Date: I� / \ 12,0153 Project/Site: DGt1GA{-i Ie. OcU( ' Latitude: 2; 5. LA o32_3_
Evaluator: " °/i ' d,( 1 A` County: /«-oC& Longitude:..-(in 3 56,3(o
Total Points: Stream Determination(circle one) Other UT I e
Stream is at least intermittent 7.7O• �j Ephemeral Intermittent eerenntia e.g. Quad Name: I o
if>_19 or erennial if>_30
A. Geomorphology (Subtotal = •0 4 ) Absent Weak Moderate Strong _
' 1 a.Continuity of channel bed and bank 0 1 2D 3
2.Sinuosity of channel along thalweg 0 1 a 3
3. In-channel structure:ex. riffle-pool,step-pool, 0 M 2 3
ripple-pool sequence
4. Particle size of stream substrate 0 � 2 3
-5.Active/relict floodplain 0 6) 2 3
6.Depositional bars or benches 0 2 3
1
7. Recent alluvial deposits 0 2 3 _
8. Headcuts 1 2 - 3
9.Grade control 0 1 1.5
10.Natural valley 0 1 1.5
11.Second or greater order channel " o; . Yes=3
a artificial ditches are not rated;see discussions in manual
B. Hydrology (Subtotal = 1 0 0 )
12. Presence of Baseflow 0 1 2
13. Iron oxidizing bacteria 0 1 , 2
14.Leaf litter 1.5 1 0
15.Sediment on plants or debris . 0 4 1:57'=`) 1 1.5
16.Organic debris lines or piles 0 r. . ) 1 1.5
17.Soil-based evidence of high water table'? (No=0 es
C. Biology (Subtotal = AO ,0 )
18.Fibrous roots in streambed C..w 2 1 0
19.Rooted upland plants in streambed ---3 2 1 0
20,Macrobenthos(note diversity and abundance) '''''0 1 2 3
21.Aquatic Mollusks 0 � 2 3
22. Fish 1 0.5 1 1.5
23.Crayfish 0.5 1 1.5
24,Amphibians 0) 0.5 1 1.5
25.Algae 0 0.5 C'D 1.5
26.Wetland plants in streambed FACW=0,75; OBL= 1.5 Other=0
*perennial streams may also be identified using other methods.See p.35 of manual.
Notes: 1() k ,( .t ik ) C;t 't �c:_(- i e �.. ,t t-i/M.. AA `\ j a:k . 11\0 a( l t V. "a_:A i / Set,''ACkt,
CA„A ,-Ali c'i'' C
Sketch:
11 1`*'C Y " 6 l t.Y "3 i (loll t'\A - C .,'c--o4 ._ . r °...E...1...0,./leVk.

NC SAM FIELD ASSESSMENT RESULTS
Accompanies User Manual Version 2.1
USACE AID#: NCDWR#:
INSTRUCTIONS: Attach a sketch of the assessment area and photographs. Attach a copy of the USGS 7.5-minute topographic quadrangle,
and circle the location of the stream reach under evaluation. If multiple stream reaches will be evaluated on the same property, identify and
number all reaches on the attached map, and include a separate form for each reach. See the NC SAM User Manual for detailed descriptions
and explanations of requested information. Record in the "Notes/Sketch"section if supplementary measurements were performed. See the
NC SAM User Manual for examples of additional measurements that may be relevant.
NOTE EVIDENCE OF STRESSORS AFFECTING THE ASSESSMENT AREA(do not need to be within the assessment area).
PROJECT/SITE INFORMATION:
1. Project name(if any): Oak Hill Dairy 2. Date of evaluation: 12-18-19
IE/EW/HR(Wildlands
3.Applicant/owner name: NCDMS 4.Assessor name/organization: Engineering)
5. County: Gaston 6. Nearest named water body
7. River basin: Catawba on USGS 7.5-minute quad: Indian Creek
8. Site coordinates(decimal degrees, at lower end of assessment reach): 35.402022,-81.351344
STREAM INFORMATION: (depth and width can be approximations)
Oak Hill Crk
9. Site number(show on attached map): Reach 1 10. Length of assessment reach evaluated(feet): 250
11. Channel depth from bed(in riffle, if present)to top of bank(feet): 3-6' Unable to assess channel depth.
12. Channel width at top of bank(feet): 25-50' 13. Is assessment reach a swamp steam? ❑Yes No
14. Feature type: ®Perennial flow ❑Intermittent flow Tidal Marsh Stream
STREAM CATEGORY INFORMATION:
15. NC SAM Zone: ❑ Mountains(M) ® Piedmont(P) ❑ Inner Coastal Plain (I) ❑ Outer Coastal Plain (0)
16. Estimated geomorphic EAR J ❑B
valley shape(skip for
Tidal Marsh Stream): (more sinuous stream,flatter valley slope) (less sinuous stream,steeper valley slope)
17.Watershed size: (skip Size 1 (<0.1 mi2) Size 2(0.1 to<0.5 mi2) ®Size 3(0.5 to<5 mi2) Size 4(>_5 mil)
for Tidal Marsh Stream)
ADDITIONAL INFORMATION:
18.Were regulatory considerations evaluated? EYes No If Yes,check all that apply to the assessment area.
▪Section 10 water Classified Trout Waters Water Supply Watershed (01 011 ❑III ❑IV ❑V)
▪Essential Fish Habitat Primary Nursery Area ❑ High Quality Waters/Outstanding Resource Waters
▪Publicly owned property ❑NCDWR Riparian buffer rule in effect Nutrient Sensitive Waters
❑Anadromous fish 0303(d)List ❑CAMA Area of Environmental Concern (AEC)
▪Documented presence of a federal and/or state listed protected species within the assessment area.
List species:
▪Designated Critical Habitat(list species)
19.Are additional stream information/supplementary measurements included in"Notes/Sketch"section or attached? ❑Yes No
1. Channel Water-assessment reach metric(skip for Size 1 streams and Tidal Marsh Streams)
®A Water throughout assessment reach.
❑B No flow,water in pools only.
❑C No water in assessment reach.
2. Evidence of Flow Restriction-assessment reach metric
❑A At least 10% of assessment reach in-stream habitat or riffle-pool sequence is severely affected by a flow restriction or fill to the
point of obstructing flow or a channel choked with aquatic macrophytes or ponded water or impoundment on flood or ebb within
the assessment reach (examples: undersized or perched culverts,causeways that constrict the channel,tidal gates, debris jams,
beaver dams).
®B NotA
3. Feature Pattern-assessment reach metric
❑A A majority of the assessment reach has altered pattern (examples:straightening, modification above or below culvert).
®B NotA
4. Feature Longitudinal Profile-assessment reach metric
❑A Majority of assessment reach has a substantially altered stream profile(examples: channel down-cutting, existing damming, over
widening, active aggradation, dredging, and excavation where appropriate channel profile has not reformed from any of these
disturbances).
®B NotA
5. Signs of Active Instability-assessment reach metric
Consider only current instability, not past events from which the stream has currently recovered. Examples of instability include
active bank failure, active channel down-cutting(head-cut), active widening, and artificial hardening(such as concrete, gabion, rip-rap).
❑A < 10%of channel unstable
❑B 10 to 25%of channel unstable
®C >25%of channel unstable

6. Streamside Area Interaction—streamside area metric
Consider for the Left Bank(LB)and the Right Bank(RB).
LB RB
❑A ❑A Little or no evidence of conditions that adversely affect reference interaction
®B ®B Moderate evidence of conditions (examples: berms, levees, down-cutting, aggradation, dredging)that adversely affect
reference interaction(examples: limited streamside area access, disruption of flood flows through streamside area,leaky
or intermittent bulkheads,causeways with floodplain constriction, minor ditching[including mosquito ditching])
❑C ❑C Extensive evidence of conditions that adversely affect reference interaction (little to no floodplain/intertidal zone access
[examples: causeways with floodplain and channel constriction,bulkheads,retaining walls,fill,stream incision, disruption
of flood flows through streamside area]or too much floodplain/intertidal zone access[examples:impoundments,intensive
mosquito ditching]) or floodplain/intertidal zone unnaturally absent or assessment reach is a man-made feature on an
interstream divide
7. Water Quality Stressors—assessment reach/intertidal zone metric
Check all that apply.
❑A Discolored water in stream or intertidal zone(milky white, blue, unnatural water discoloration, oil sheen,stream foam)
❑B Excessive sedimentation (burying of stream features or intertidal zone)
❑C Noticeable evidence of pollutant discharges entering the assessment reach and causing a water quality problem
❑D Odor(not including natural sulfide odors)
❑E Current published or collected data indicating degraded water quality in the assessment reach. Cite source in "Notes/Sketch"
section.
❑F Livestock with access to stream or intertidal zone
❑G Excessive algae in stream or intertidal zone
❑H Degraded marsh vegetation in the intertidal zone(removal, burning, regular mowing, destruction, etc)
❑1 Other: (explain in"Notes/Sketch"section)
• Little to no stressors
8. Recent Weather—watershed metric(skip for Tidal Marsh Streams)
For Size 1 or 2 streams, D1 drought or higher is considered a drought;for Size 3 or 4 streams, D2 drought or higher is considered a drought.
❑A Drought conditions and no rainfall or rainfall not exceeding 1 inch within the last 48 hours
❑B Drought conditions and rainfall exceeding 1 inch within the last 48 hours
®C No drought conditions
9. Large or Dangerous Stream—assessment reach metric
❑Yes ®No Is stream is too large or dangerous to assess? If Yes,skip to Metric 13(Streamside Area Ground Surface Condition).
10. Natural In-stream Habitat Types—assessment reach metric
10a. ❑Yes No Degraded in-stream habitat over majority of the assessment reach (examples of stressors include excessive
sedimentation, mining, excavation, in-stream hardening [for example, hp-rap], recent dredging, and snagging)
(evaluate for Size 4 Coastal Plain streams only,then skip to Metric 12)
10b. Check all that occur(occurs if>5%coverage of assessment reach)(skip for Size 4 Coastal Plain streams)
❑A Multiple aquatic macrophytes and aquatic mosses OF 5%oysters or other natural hard bottoms
(include liverworts, lichens, and algal mats) E ❑G Submerged aquatic vegetation
®B Multiple sticks and/or leaf packs and/or emergent o . ❑H Low-tide refugia(pools)
vegetation Y r 01 Sand bottom
❑C Multiple snags and logs(including lap trees) r ❑J 5%vertical bank along the marsh
❑D 5% undercut banks and/or root mats and/or roots 0 ❑K Little or no habitat
in banks extend to the normal wetted perimeter
❑E Little or no habitat
*********************************REMAINING QUESTIONS ARE NOT APPLICABLE FOR TIDAL MARSH STREAMS****************************
11. Bedform and Substrate—assessment reach metric(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)
11 a. ❑Yes No Is assessment reach in a natural sand-bed stream?(skip for Coastal Plain streams)
11 b. Bedform evaluated. Check the appropriate box(es).
®A Riffle-run section (evaluate 11c)
❑B Pool-glide section (evaluate 11d)
❑C Natural bedform absent(skip to Metric 12,Aquatic Life)
11 c. In riffle sections,check all that occur below the normal wetted perimeter of the assessment reach—whether or not submerged. Check
at least one box in each row(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams). Not Present(NP)=absent, Rare
(R) = present but< 10%, Common (C) = > 10-40%,Abundant(A) _> 40-70%, Predominant(P) = >70%. Cumulative percentages
should not exceed 100%for each assessment reach.
NP R C A P
❑ ® ❑ ❑ ❑ Bedrock/saprolite
• ❑ ❑ ❑ ❑ Boulder(256—4096 mm)
❑ ❑ ® ❑ ❑ Cobble(64—256 mm)
❑ ❑ ® ❑ ❑ Gravel (2—64 mm)
❑ ❑ ❑ ® ❑ Sand(.062—2 mm)
❑ ® ❑ ❑ ❑ Silt/clay(<0.062 mm)
❑ ® ❑ ❑ ❑ Detritus
• ❑ ❑ ❑ ❑ Artificial (rip-rap,concrete, etc.)
11 d. ❑Yes No Are pools filled with sediment?(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)

12. Aquatic Life—assessment reach metric(skip for Tidal Marsh Streams)
12a. ®Yes No Was an in-stream aquatic life assessment performed as described in the User Manual?
If No,select one of the following reasons and skip to Metric 13. No Water ❑Other:
12b. ®Yes No Are aquatic organisms present in the assessment reach (look in riffles, pools, then snags)? If Yes, check all that
apply. If No,skip to Metric 13.
1 >1 Numbers over columns refer to"individuals"for Size 1 and 2 streams and"taxa"for Size 3 and 4 streams.
❑ Adult frogs
❑ Aquatic reptiles
❑ Aquatic macrophytes and aquatic mosses(include liverworts, lichens, and algal mats)
❑ Beetles
• ❑Caddisfly larvae(T)
❑ Asian clam(Corbicula)
Crustacean (isopod/amphipod/crayfish/shrimp)
Damselfly and dragonfly larvae
❑ ❑Dipterans
❑ ®Mayfly larvae(E)
❑ ❑Megaloptera(alderfly,fishfly, dobsonfly larvae)
❑ ❑Midges/mosquito larvae
❑ Mosquito fish (Gambusia)or mud minnows(Umbra pygmaea)
❑ ❑Mussels/Clams(not Corbicula)
Other fish
❑ ❑Salamanders/tadpoles
Snails
• ❑Stonefly larvae(P)
• ❑Tipulid larvae
• ❑Worms/leeches
13. Streamside Area Ground Surface Condition—streamside area metric(skip for Tidal Marsh Streams and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB). Consider storage capacity with regard to both overbank flow and upland runoff.
LB RB
❑A ®A Little or no alteration to water storage capacity over a majority of the streamside area
❑B ❑B Moderate alteration to water storage capacity over a majority of the streamside area
®C ❑C Severe alteration to water storage capacity over a majority of the streamside area(examples: ditches,fill,soil compaction,
livestock disturbance, buildings, man-made levees, drainage pipes)
14. Streamside Area Water Storage—streamside area metric(skip for Size 1 streams,Tidal Marsh Streams,and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB)of the streamside area.
LB RB
❑A ❑A Majority of streamside area with depressions able to pond water>_6 inches deep
❑B ❑B Majority of streamside area with depressions able to pond water 3 to 6 inches deep
®C ®C Majority of streamside area with depressions able to pond water<3 inches deep
15. Wetland Presence—streamside area metric(skip for Tidal Marsh Streams)
Consider for the Left Bank(LB)and the Right Bank(RB). Do not consider wetlands outside of the streamside area or within the normal
wetted perimeter of assessment reach.
LB RB
❑Y ❑Y Are wetlands present in the streamside area?
®N ®N
16. Baseflow Contributors—assessment reach metric(skip for Size 4 streams and Tidal Marsh Streams)
Check all contributors within the assessment reach or within view of and draining to the assessment reach.
®A Streams and/or springs(jurisdictional discharges)
❑B Ponds(include wet detention basins; do not include sediment basins or dry detention basins)
❑C Obstruction passing flow during low-flow periods within the assessment area(beaver dam, leaky dam, bottom-release dam,weir)
❑D Evidence of bank seepage or sweating(iron in water indicates seepage)
®E Stream bed or bank soil reduced(dig through deposited sediment if present)
❑F None of the above
17. Baseflow Detractors—assessment area metric(skip for Tidal Marsh Streams)
Check all that apply.
❑A Evidence of substantial water withdrawals from the assessment reach (includes areas excavated for pump installation)
❑B Obstruction not passing flow during low-flow periods affecting the assessment reach (ex:watertight dam,sediment deposit)
®C Urban stream(>_24%impervious surface for watershed)
❑D Evidence that the streamside area has been modified resulting in accelerated drainage into the assessment reach
❑E Assessment reach relocated to valley edge
❑F None of the above
18. Shading—assessment reach metric(skip for Tidal Marsh Streams)
Consider aspect. Consider"leaf-on"condition.
❑A Stream shading is appropriate for stream category(may include gaps associated with natural processes)
®B Degraded(example: scattered trees)
❑C Stream shading is gone or largely absent

19. Buffer Width—streamside area metric(skip for Tidal Marsh Streams)
Consider"vegetated buffer" and"wooded buffer"separately for left bank(LB)and right bank(RB)starting at the top of bank out
to the first break.
Vegetated Wooded
LB RB LB RB
®A ®A ❑A ®A >_ 100 feet wide or extends to the edge of the watershed
❑B ❑B ❑B ❑B From 50 to< 100 feet wide
❑C ❑C ❑C ❑C From 30 to<50 feet wide
❑D ❑D ❑D ❑D From 10 to<30 feet wide
❑E ❑E EE ❑E < 10 feet wide or no trees
20. Buffer Structure—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Vegetated" Buffer Width).
LB RB
❑A ®A Mature forest
❑B ❑B Non-mature woody vegetation or modified vegetation structure
®C ❑C Herbaceous vegetation with or without a strip of trees< 10 feet wide
❑D ❑D Maintained shrubs
❑E ❑E Little or no vegetation
21. Buffer Stressors—streamside area metric(skip for Tidal Marsh Streams)
Check all appropriate boxes for left bank(LB)and right bank(RB). Indicate if listed stressor abuts stream(Abuts), does not abut but is
within 30 feet of stream(<30 feet), or is between 30 to 50 feet of stream(30-50 feet).
If none of the following stressors occurs on either bank,check here and skip to Metric 22:
Abuts <30 feet 30-50 feet
LB RB LB RB LB RB
❑A ❑A ❑A ❑A ❑A ❑A Row crops
❑B ❑B ❑B ❑B ❑B ❑B Maintained turf
❑C ❑C ❑C ❑C ❑C ❑C Pasture(no livestock)/commercial horticulture
❑D ❑D ❑D ❑D ❑D ❑D Pasture(active livestock use)
22. Stem Density—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Wooded" Buffer Width).
LB RB
❑A ®A Medium to high stem density
®B ❑B Low stem density
❑C ❑C No wooded riparian buffer or predominantly herbaceous species or bare ground
23. Continuity of Vegetated Buffer—streamside area metric(skip for Tidal Marsh Streams)
Consider whether vegetated buffer is continuous along stream(parallel). Breaks are areas lacking vegetation > 10 feet wide.
LB RB
®A ®A The total length of buffer breaks is<25 percent.
❑B ❑B The total length of buffer breaks is between 25 and 50 percent.
❑C ❑C The total length of buffer breaks is>50 percent.
24. Vegetative Composition—streamside area metric(skip for Tidal Marsh Streams)
Evaluate the dominant vegetation within 100 feet of each bank or to the edge of the watershed (whichever comes first)as it contributes to
assessment reach habitat.
LB RB
❑A ❑A Vegetation is close to undisturbed in species present and their proportions. Lower strata composed of native species,
with non-native invasive species absent or sparse.
❑B ®B Vegetation indicates disturbance in terms of species diversity or proportions, but is still largely composed of native
species. This may include communities of weedy native species that develop after clear-cutting or clearing or
communities with non-native invasive species present, but not dominant, over a large portion of the expected strata or
communities missing understory but retaining canopy trees.
®C ❑C Vegetation is severely disturbed in terms of species diversity or proportions. Mature canopy is absent or communities
with non-native invasive species dominant over a large portion of expected strata or communities composed of planted
stands of non-characteristic species or communities inappropriately composed of a single species or no vegetation.
25. Conductivity—assessment reach metric(skip for all Coastal Plain streams)
25a. ❑Yes No Was conductivity measurement recorded?
If No,select one of the following reasons. No Water ❑Other:
25b. Check the box corresponding to the conductivity measurement(units of microsiemens per centimeter).
❑A <46 ❑B 46 to<67 ❑C 67 to<79 ❑D 79 to<230 ❑E >_230
Notes/Sketch:

Draft NC SAM Stream Rating Sheet
Accompanies User Manual Version 2.1
Stream Site Name Oak Hill Dairy Date of Assessment 12-18-19
Stream Category Pa3 Assessor Name/Organization IE/EW/HR (Wildlands
Engineering)
Notes of Field Assessment Form(Y/N) NO
Presence of regulatory considerations (Y/N) NO
Additional stream information/supplementary measurements included (Y/N) NO
NC SAM feature type(perennial, intermittent, Tidal Marsh Stream) Perennial
USACE/ NCDWR
Function Class Rating Summary All Streams Intermittent
(1) Hydrology MEDIUM
(2) Baseflow HIGH
(2) Flood Flow MEDIUM
(3)Streamside Area Attenuation MEDIUM
(4) Floodplain Access MEDIUM
(4)Wooded Riparian Buffer MEDIUM
(4) Microtopography LOW
(3)Stream Stability MEDIUM
(4) Channel Stability LOW
(4) Sediment Transport MEDIUM
(4) Stream Geomorphology HIGH
(2)Stream/Intertidal Zone Interaction NA
(2) Longitudinal Tidal Flow NA
(2)Tidal Marsh Stream Stability NA
(3)Tidal Marsh Channel Stability NA
(3)Tidal Marsh Stream Geomorphology NA
(1)Water Quality HIGH
(2) Baseflow HIGH
(2)Streamside Area Vegetation MEDIUM
(3) Upland Pollutant Filtration MEDIUM
(3)Thermoregulation MEDIUM
(2) Indicators of Stressors NO
(2)Aquatic Life Tolerance HIGH
(2) Intertidal Zone Filtration NA
(1) Habitat LOW
(2) In-stream Habitat LOW
(3) Baseflow HIGH
(3)Substrate MEDIUM
(3)Stream Stability LOW
(3) In-stream Habitat LOW
(2)Stream-side Habitat MEDIUM
(3)Stream-side Habitat MEDIUM
(3)Thermoregulation MEDIUM
(2)Tidal Marsh In-stream Habitat NA
(3) Flow Restriction NA
(3)Tidal Marsh Stream Stability NA
(4)Tidal Marsh Channel Stability NA
(4)Tidal Marsh Stream Geomorphology NA
(3)Tidal Marsh In-stream Habitat NA
(2) Intertidal Zone NA
Overall MEDIUM

NC SAM FIELD ASSESSMENT RESULTS
Accompanies User Manual Version 2.1
USACE AID#: NCDWR#:
INSTRUCTIONS: Attach a sketch of the assessment area and photographs. Attach a copy of the USGS 7.5-minute topographic quadrangle,
and circle the location of the stream reach under evaluation. If multiple stream reaches will be evaluated on the same property, identify and
number all reaches on the attached map, and include a separate form for each reach. See the NC SAM User Manual for detailed descriptions
and explanations of requested information. Record in the "Notes/Sketch"section if supplementary measurements were performed. See the
NC SAM User Manual for examples of additional measurements that may be relevant.
NOTE EVIDENCE OF STRESSORS AFFECTING THE ASSESSMENT AREA(do not need to be within the assessment area).
PROJECT/SITE INFORMATION:
1. Project name(if any): Oak Hill Dairy 2. Date of evaluation: 12-18-19
IE/EW/HR(Wildlands
3.Applicant/owner name: NC DMS 4.Assessor name/organization: Engineering)
5. County: Gaston 6. Nearest named water body
7. River basin: Catawba on USGS 7.5-minute quad: Indian Creek
8. Site coordinates(decimal degrees, at lower end of assessment reach): 35.403192,-81.354470
STREAM INFORMATION: (depth and width can be approximations)
Oak Hill Crk
9. Site number(show on attached map): Reach 2 10. Length of assessment reach evaluated(feet): 500
11. Channel depth from bed(in riffle, if present)to top of bank(feet): 4-6 Unable to assess channel depth.
12. Channel width at top of bank(feet): 20-30 13. Is assessment reach a swamp steam? ❑Yes No
14. Feature type: ®Perennial flow ❑Intermittent flow Tidal Marsh Stream
STREAM CATEGORY INFORMATION:
15. NC SAM Zone: ❑ Mountains(M) ® Piedmont(P) ❑ Inner Coastal Plain (I) ❑ Outer Coastal Plain (0)
16. Estimated geomorphic EAR J ❑B
valley shape(skip for
Tidal Marsh Stream): (more sinuous stream,flatter valley slope) (less sinuous stream,steeper valley slope)
17.Watershed size: (skip Size 1 (<0.1 mi2) Size 2(0.1 to<0.5 mi2) ®Size 3(0.5 to<5 mi2) Size 4(>_5 mil)
for Tidal Marsh Stream)
ADDITIONAL INFORMATION:
18.Were regulatory considerations evaluated? EYes No If Yes,check all that apply to the assessment area.
▪Section 10 water Classified Trout Waters Water Supply Watershed (01 011 ❑III ❑IV ❑V)
▪Essential Fish Habitat Primary Nursery Area ❑ High Quality Waters/Outstanding Resource Waters
▪Publicly owned property ❑NCDWR Riparian buffer rule in effect Nutrient Sensitive Waters
❑Anadromous fish 0303(d)List ❑CAMA Area of Environmental Concern (AEC)
▪Documented presence of a federal and/or state listed protected species within the assessment area.
List species:
▪Designated Critical Habitat(list species)
19.Are additional stream information/supplementary measurements included in"Notes/Sketch"section or attached? ❑Yes No
1. Channel Water-assessment reach metric(skip for Size 1 streams and Tidal Marsh Streams)
®A Water throughout assessment reach.
❑B No flow,water in pools only.
❑C No water in assessment reach.
2. Evidence of Flow Restriction-assessment reach metric
❑A At least 10% of assessment reach in-stream habitat or riffle-pool sequence is severely affected by a flow restriction or fill to the
point of obstructing flow or a channel choked with aquatic macrophytes or ponded water or impoundment on flood or ebb within
the assessment reach (examples: undersized or perched culverts,causeways that constrict the channel,tidal gates, debris jams,
beaver dams).
®B NotA
3. Feature Pattern-assessment reach metric
®A A majority of the assessment reach has altered pattern (examples:straightening, modification above or below culvert).
❑B NotA
4. Feature Longitudinal Profile-assessment reach metric
®A Majority of assessment reach has a substantially altered stream profile(examples: channel down-cutting, existing damming, over
widening, active aggradation, dredging, and excavation where appropriate channel profile has not reformed from any of these
disturbances).
❑B NotA
5. Signs of Active Instability-assessment reach metric
Consider only current instability, not past events from which the stream has currently recovered. Examples of instability include
active bank failure, active channel down-cutting(head-cut), active widening, and artificial hardening(such as concrete, gabion, rip-rap).
❑A < 10%of channel unstable
®B 10 to 25%of channel unstable
❑C >25%of channel unstable

6. Streamside Area Interaction—streamside area metric
Consider for the Left Bank(LB)and the Right Bank(RB).
LB RB
❑A ❑A Little or no evidence of conditions that adversely affect reference interaction
❑B ❑B Moderate evidence of conditions (examples: berms, levees, down-cutting, aggradation, dredging)that adversely affect
reference interaction(examples: limited streamside area access, disruption of flood flows through streamside area,leaky
or intermittent bulkheads,causeways with floodplain constriction, minor ditching[including mosquito ditching])
®C ®C Extensive evidence of conditions that adversely affect reference interaction (little to no floodplain/intertidal zone access
[examples: causeways with floodplain and channel constriction,bulkheads,retaining walls,fill,stream incision, disruption
of flood flows through streamside area]or too much floodplain/intertidal zone access[examples:impoundments,intensive
mosquito ditching]) or floodplain/intertidal zone unnaturally absent or assessment reach is a man-made feature on an
interstream divide
7. Water Quality Stressors—assessment reach/intertidal zone metric
Check all that apply.
❑A Discolored water in stream or intertidal zone(milky white, blue, unnatural water discoloration, oil sheen,stream foam)
❑B Excessive sedimentation (burying of stream features or intertidal zone)
❑C Noticeable evidence of pollutant discharges entering the assessment reach and causing a water quality problem
❑D Odor(not including natural sulfide odors)
❑E Current published or collected data indicating degraded water quality in the assessment reach. Cite source in "Notes/Sketch"
section.
❑F Livestock with access to stream or intertidal zone
❑G Excessive algae in stream or intertidal zone
❑H Degraded marsh vegetation in the intertidal zone(removal, burning, regular mowing, destruction, etc)
❑1 Other: (explain in"Notes/Sketch"section)
• Little to no stressors
8. Recent Weather—watershed metric(skip for Tidal Marsh Streams)
For Size 1 or 2 streams, D1 drought or higher is considered a drought;for Size 3 or 4 streams, D2 drought or higher is considered a drought.
❑A Drought conditions and no rainfall or rainfall not exceeding 1 inch within the last 48 hours
❑B Drought conditions and rainfall exceeding 1 inch within the last 48 hours
®C No drought conditions
9. Large or Dangerous Stream—assessment reach metric
❑Yes ®No Is stream is too large or dangerous to assess? If Yes,skip to Metric 13(Streamside Area Ground Surface Condition).
10. Natural In-stream Habitat Types—assessment reach metric
10a. ❑Yes No Degraded in-stream habitat over majority of the assessment reach (examples of stressors include excessive
sedimentation, mining, excavation, in-stream hardening [for example, hp-rap], recent dredging, and snagging)
(evaluate for Size 4 Coastal Plain streams only,then skip to Metric 12)
10b. Check all that occur(occurs if>5%coverage of assessment reach)(skip for Size 4 Coastal Plain streams)
❑A Multiple aquatic macrophytes and aquatic mosses OF 5%oysters or other natural hard bottoms
(include liverworts, lichens, and algal mats) E ❑G Submerged aquatic vegetation
®B Multiple sticks and/or leaf packs and/or emergent o . ❑H Low-tide refugia(pools)
vegetation Y r 01 Sand bottom
❑C Multiple snags and logs(including lap trees) r ❑J 5%vertical bank along the marsh
®D 5% undercut banks and/or root mats and/or roots 0 ❑K Little or no habitat
in banks extend to the normal wetted perimeter
❑E Little or no habitat
*********************************REMAINING QUESTIONS ARE NOT APPLICABLE FOR TIDAL MARSH STREAMS****************************
11. Bedform and Substrate—assessment reach metric(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)
11 a. ❑Yes No Is assessment reach in a natural sand-bed stream?(skip for Coastal Plain streams)
11 b. Bedform evaluated. Check the appropriate box(es).
®A Riffle-run section (evaluate 11c)
❑B Pool-glide section (evaluate 11d)
❑C Natural bedform absent(skip to Metric 12,Aquatic Life)
11 c. In riffle sections,check all that occur below the normal wetted perimeter of the assessment reach—whether or not submerged. Check
at least one box in each row(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams). Not Present(NP)=absent, Rare
(R) = present but< 10%, Common (C) = > 10-40%,Abundant(A) _> 40-70%, Predominant(P) = >70%. Cumulative percentages
should not exceed 100%for each assessment reach.
NP R C A P
❑ ® ❑ ❑ ❑ Bedrock/saprolite
• ❑ ❑ ❑ ❑ Boulder(256—4096 mm)
❑ ❑ ® ❑ ❑ Cobble(64—256 mm)
❑ ❑ ® ❑ ❑ Gravel (2—64 mm)
❑ ❑ ❑ ® ❑ Sand(.062—2 mm)
❑ ® ❑ ❑ ❑ Silt/clay(<0.062 mm)
❑ ❑ ® ❑ ❑ Detritus
• ❑ ❑ ❑ ❑ Artificial (rip-rap,concrete, etc.)
11 d. ❑Yes No Are pools filled with sediment?(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)

12. Aquatic Life—assessment reach metric(skip for Tidal Marsh Streams)
12a. ®Yes No Was an in-stream aquatic life assessment performed as described in the User Manual?
If No,select one of the following reasons and skip to Metric 13. No Water ❑Other:
12b. ®Yes No Are aquatic organisms present in the assessment reach (look in riffles, pools, then snags)? If Yes, check all that
apply. If No,skip to Metric 13.
1 >1 Numbers over columns refer to"individuals"for Size 1 and 2 streams and"taxa"for Size 3 and 4 streams.
❑ Adult frogs
❑ Aquatic reptiles
❑ Aquatic macrophytes and aquatic mosses(include liverworts, lichens, and algal mats)
❑ Beetles
❑ ®Caddisfly larvae(T)
❑ Asian clam(Corbicula)
❑ Crustacean (isopod/amphipod/crayfish/shrimp)
Damselfly and dragonfly larvae
❑ ❑Dipterans
• ❑Mayfly larvae(E)
❑ ❑Megaloptera(alderfly,fishfly, dobsonfly larvae)
❑ ❑Midges/mosquito larvae
❑ Mosquito fish (Gambusia)or mud minnows(Umbra pygmaea)
❑ ❑Mussels/Clams(not Corbicula)
Other fish
• ❑Salamanders/tadpoles
❑ Snails
• ❑Stonefly larvae(P)
❑ ❑Tipulid larvae
• ❑Worms/leeches
13. Streamside Area Ground Surface Condition—streamside area metric(skip for Tidal Marsh Streams and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB). Consider storage capacity with regard to both overbank flow and upland runoff.
LB RB
❑A ❑A Little or no alteration to water storage capacity over a majority of the streamside area
®B ®B Moderate alteration to water storage capacity over a majority of the streamside area
❑C ❑C Severe alteration to water storage capacity over a majority of the streamside area(examples: ditches,fill,soil compaction,
livestock disturbance, buildings, man-made levees, drainage pipes)
14. Streamside Area Water Storage—streamside area metric(skip for Size 1 streams,Tidal Marsh Streams,and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB)of the streamside area.
LB RB
❑A ❑A Majority of streamside area with depressions able to pond water>_6 inches deep
❑B ❑B Majority of streamside area with depressions able to pond water 3 to 6 inches deep
®C ®C Majority of streamside area with depressions able to pond water<3 inches deep
15. Wetland Presence—streamside area metric(skip for Tidal Marsh Streams)
Consider for the Left Bank(LB)and the Right Bank(RB). Do not consider wetlands outside of the streamside area or within the normal
wetted perimeter of assessment reach.
LB RB
®Y ❑Y Are wetlands present in the streamside area?
❑N ®N
16. Baseflow Contributors—assessment reach metric(skip for Size 4 streams and Tidal Marsh Streams)
Check all contributors within the assessment reach or within view of and draining to the assessment reach.
®A Streams and/or springs(jurisdictional discharges)
❑B Ponds(include wet detention basins; do not include sediment basins or dry detention basins)
❑C Obstruction passing flow during low-flow periods within the assessment area(beaver dam, leaky dam, bottom-release dam,weir)
❑D Evidence of bank seepage or sweating(iron in water indicates seepage)
®E Stream bed or bank soil reduced(dig through deposited sediment if present)
❑F None of the above
17. Baseflow Detractors—assessment area metric(skip for Tidal Marsh Streams)
Check all that apply.
❑A Evidence of substantial water withdrawals from the assessment reach (includes areas excavated for pump installation)
❑B Obstruction not passing flow during low-flow periods affecting the assessment reach (ex:watertight dam,sediment deposit)
®C Urban stream(>_24%impervious surface for watershed)
®D Evidence that the streamside area has been modified resulting in accelerated drainage into the assessment reach
❑E Assessment reach relocated to valley edge
❑F None of the above
18. Shading—assessment reach metric(skip for Tidal Marsh Streams)
Consider aspect. Consider"leaf-on"condition.
®A Stream shading is appropriate for stream category(may include gaps associated with natural processes)
❑B Degraded(example: scattered trees)
❑C Stream shading is gone or largely absent

19. Buffer Width—streamside area metric(skip for Tidal Marsh Streams)
Consider"vegetated buffer" and"wooded buffer"separately for left bank(LB)and right bank(RB)starting at the top of bank out
to the first break.
Vegetated Wooded
LB RB LB RB
®A ®A ❑A ❑A >_ 100 feet wide or extends to the edge of the watershed
❑B ❑B ❑B ❑B From 50 to< 100 feet wide
❑C ❑C ❑C ❑C From 30 to<50 feet wide
❑D ❑D ❑D ❑D From 10 to<30 feet wide
❑E ❑E EE EE < 10 feet wide or no trees
20. Buffer Structure—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Vegetated" Buffer Width).
LB RB
❑A ❑A Mature forest
❑B ❑B Non-mature woody vegetation or modified vegetation structure
®C ®C Herbaceous vegetation with or without a strip of trees< 10 feet wide
❑D ❑D Maintained shrubs
❑E ❑E Little or no vegetation
21. Buffer Stressors—streamside area metric(skip for Tidal Marsh Streams)
Check all appropriate boxes for left bank(LB)and right bank(RB). Indicate if listed stressor abuts stream(Abuts), does not abut but is
within 30 feet of stream(<30 feet), or is between 30 to 50 feet of stream(30-50 feet).
If none of the following stressors occurs on either bank,check here and skip to Metric 22: ❑
Abuts <30 feet 30-50 feet
LB RB LB RB LB RB
❑A ❑A ®A ❑A ®A ❑A Row crops
❑B ❑B ❑B ❑B ❑B ❑B Maintained turf
❑C ❑C ❑C ❑C ❑C ❑C Pasture(no livestock)/commercial horticulture
❑D ❑D ❑D ❑D ❑D ❑D Pasture(active livestock use)
22. Stem Density—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Wooded" Buffer Width).
LB RB
®A ®A Medium to high stem density
❑B ❑B Low stem density
❑C ❑C No wooded riparian buffer or predominantly herbaceous species or bare ground
23. Continuity of Vegetated Buffer—streamside area metric(skip for Tidal Marsh Streams)
Consider whether vegetated buffer is continuous along stream(parallel). Breaks are areas lacking vegetation > 10 feet wide.
LB RB
®A ®A The total length of buffer breaks is<25 percent.
❑B ❑B The total length of buffer breaks is between 25 and 50 percent.
❑C ❑C The total length of buffer breaks is>50 percent.
24. Vegetative Composition—streamside area metric(skip for Tidal Marsh Streams)
Evaluate the dominant vegetation within 100 feet of each bank or to the edge of the watershed (whichever comes first)as it contributes to
assessment reach habitat.
LB RB
❑A ❑A Vegetation is close to undisturbed in species present and their proportions. Lower strata composed of native species,
with non-native invasive species absent or sparse.
❑B ❑B Vegetation indicates disturbance in terms of species diversity or proportions, but is still largely composed of native
species. This may include communities of weedy native species that develop after clear-cutting or clearing or
communities with non-native invasive species present, but not dominant, over a large portion of the expected strata or
communities missing understory but retaining canopy trees.
®C ®C Vegetation is severely disturbed in terms of species diversity or proportions. Mature canopy is absent or communities
with non-native invasive species dominant over a large portion of expected strata or communities composed of planted
stands of non-characteristic species or communities inappropriately composed of a single species or no vegetation.
25. Conductivity—assessment reach metric(skip for all Coastal Plain streams)
25a. ❑Yes No Was conductivity measurement recorded?
If No,select one of the following reasons. No Water ❑Other:
25b. Check the box corresponding to the conductivity measurement(units of microsiemens per centimeter).
❑A <46 ❑B 46 to<67 ❑C 67 to<79 ❑D 79 to<230 ❑E >_230
Notes/Sketch:

Draft NC SAM Stream Rating Sheet
Accompanies User Manual Version 2.1
Stream Site Name Oak Hill Dairy Date of Assessment 12-18-19
Stream Category Pa3 Assessor Name/Organization IE/EW/HR (Wildlands
Engineering)
Notes of Field Assessment Form(Y/N) NO
Presence of regulatory considerations (Y/N) NO
Additional stream information/supplementary measurements included (Y/N) NO
NC SAM feature type(perennial, intermittent, Tidal Marsh Stream) Perennial
USACE/ NCDWR
Function Class Rating Summary All Streams Intermittent
(1) Hydrology LOW
(2) Baseflow HIGH
(2) Flood Flow LOW
(3)Streamside Area Attenuation LOW
(4) Floodplain Access LOW
(4)Wooded Riparian Buffer LOW
(4) Microtopography LOW
(3)Stream Stability LOW
(4) Channel Stability MEDIUM
(4) Sediment Transport MEDIUM
(4) Stream Geomorphology LOW
(2)Stream/Intertidal Zone Interaction NA
(2) Longitudinal Tidal Flow NA
(2)Tidal Marsh Stream Stability NA
(3)Tidal Marsh Channel Stability NA
(3)Tidal Marsh Stream Geomorphology NA
(1)Water Quality HIGH
(2) Baseflow HIGH
(2)Streamside Area Vegetation HIGH
(3) Upland Pollutant Filtration HIGH
(3)Thermoregulation HIGH
(2) Indicators of Stressors NO
(2)Aquatic Life Tolerance HIGH
(2) Intertidal Zone Filtration NA
(1) Habitat LOW
(2) In-stream Habitat MEDIUM
(3) Baseflow HIGH
(3)Substrate MEDIUM
(3)Stream Stability MEDIUM
(3) In-stream Habitat MEDIUM
(2)Stream-side Habitat LOW
(3)Stream-side Habitat LOW
(3)Thermoregulation MEDIUM
(2)Tidal Marsh In-stream Habitat NA
(3) Flow Restriction NA
(3)Tidal Marsh Stream Stability NA
(4)Tidal Marsh Channel Stability NA
(4)Tidal Marsh Stream Geomorphology NA
(3)Tidal Marsh In-stream Habitat NA
(2) Intertidal Zone NA
Overall LOW

NC SAM FIELD ASSESSMENT RESULTS
Accompanies User Manual Version 2.1
USACE AID#: NCDWR#:
INSTRUCTIONS: Attach a sketch of the assessment area and photographs. Attach a copy of the USGS 7.5-minute topographic quadrangle,
and circle the location of the stream reach under evaluation. If multiple stream reaches will be evaluated on the same property, identify and
number all reaches on the attached map, and include a separate form for each reach. See the NC SAM User Manual for detailed descriptions
and explanations of requested information. Record in the "Notes/Sketch"section if supplementary measurements were performed. See the
NC SAM User Manual for examples of additional measurements that may be relevant.
NOTE EVIDENCE OF STRESSORS AFFECTING THE ASSESSMENT AREA(do not need to be within the assessment area).
PROJECT/SITE INFORMATION:
1. Project name(if any): Oak Hill Dairy 2. Date of evaluation: 12-18-19
IE/EW/HR(Wildlands
3.Applicant/owner name: NC DMS 4.Assessor name/organization: Engineering)
5. County: Gaston 6. Nearest named water body
7. River basin: Catawba on USGS 7.5-minute quad: Indian Creek
8. Site coordinates(decimal degrees, at lower end of assessment reach): 35.405118,-81.350040
STREAM INFORMATION: (depth and width can be approximations)
9. Site number(show on attached map): UT1 10. Length of assessment reach evaluated(feet): 500
11. Channel depth from bed(in riffle, if present)to top of bank(feet): 3-4 Unable to assess channel depth.
12. Channel width at top of bank(feet): 12-20 13. Is assessment reach a swamp steam? ❑Yes No
14. Feature type: ®Perennial flow ❑Intermittent flow Tidal Marsh Stream
STREAM CATEGORY INFORMATION:
15. NC SAM Zone: ❑ Mountains(M) ® Piedmont(P) ❑ Inner Coastal Plain (I) ❑ Outer Coastal Plain (0)
16. Estimated geomorphic EAR J ❑B
valley shape(skip for
Tidal Marsh Stream): (more sinuous stream,flatter valley slope) (less sinuous stream,steeper valley slope)
17.Watershed size: (skip Size 1 (<0.1 mi2) Size 2(0.1 to<0.5 mi2) ®Size 3(0.5 to<5 mi2) Size 4(>_5 mil)
for Tidal Marsh Stream)
ADDITIONAL INFORMATION:
18.Were regulatory considerations evaluated? EYes No If Yes,check all that apply to the assessment area.
▪Section 10 water Classified Trout Waters Water Supply Watershed (01 011 ❑III ❑IV ❑V)
▪Essential Fish Habitat Primary Nursery Area ❑ High Quality Waters/Outstanding Resource Waters
▪Publicly owned property ❑NCDWR Riparian buffer rule in effect Nutrient Sensitive Waters
❑Anadromous fish 0303(d)List ❑CAMA Area of Environmental Concern (AEC)
▪Documented presence of a federal and/or state listed protected species within the assessment area.
List species:
▪Designated Critical Habitat(list species)
19.Are additional stream information/supplementary measurements included in"Notes/Sketch"section or attached? ❑Yes No
1. Channel Water-assessment reach metric(skip for Size 1 streams and Tidal Marsh Streams)
®A Water throughout assessment reach.
❑B No flow,water in pools only.
❑C No water in assessment reach.
2. Evidence of Flow Restriction-assessment reach metric
❑A At least 10% of assessment reach in-stream habitat or riffle-pool sequence is severely affected by a flow restriction or fill to the
point of obstructing flow or a channel choked with aquatic macrophytes or ponded water or impoundment on flood or ebb within
the assessment reach (examples: undersized or perched culverts,causeways that constrict the channel,tidal gates, debris jams,
beaver dams).
®B NotA
3. Feature Pattern-assessment reach metric
❑A A majority of the assessment reach has altered pattern (examples:straightening, modification above or below culvert).
®B NotA
4. Feature Longitudinal Profile-assessment reach metric
®A Majority of assessment reach has a substantially altered stream profile(examples: channel down-cutting, existing damming, over
widening, active aggradation, dredging, and excavation where appropriate channel profile has not reformed from any of these
disturbances).
❑B NotA
5. Signs of Active Instability-assessment reach metric
Consider only current instability, not past events from which the stream has currently recovered. Examples of instability include
active bank failure, active channel down-cutting(head-cut), active widening, and artificial hardening(such as concrete, gabion, rip-rap).
❑A < 10%of channel unstable
❑B 10 to 25%of channel unstable
®C >25%of channel unstable

6. Streamside Area Interaction—streamside area metric
Consider for the Left Bank(LB)and the Right Bank(RB).
LB RB
❑A ❑A Little or no evidence of conditions that adversely affect reference interaction
®B ®B Moderate evidence of conditions (examples: berms, levees, down-cutting, aggradation, dredging)that adversely affect
reference interaction(examples: limited streamside area access, disruption of flood flows through streamside area,leaky
or intermittent bulkheads,causeways with floodplain constriction, minor ditching[including mosquito ditching])
❑C ❑C Extensive evidence of conditions that adversely affect reference interaction (little to no floodplain/intertidal zone access
[examples: causeways with floodplain and channel constriction,bulkheads,retaining walls,fill,stream incision, disruption
of flood flows through streamside area]or too much floodplain/intertidal zone access[examples:impoundments,intensive
mosquito ditching]) or floodplain/intertidal zone unnaturally absent or assessment reach is a man-made feature on an
interstream divide
7. Water Quality Stressors—assessment reach/intertidal zone metric
Check all that apply.
❑A Discolored water in stream or intertidal zone(milky white, blue, unnatural water discoloration, oil sheen,stream foam)
❑B Excessive sedimentation (burying of stream features or intertidal zone)
❑C Noticeable evidence of pollutant discharges entering the assessment reach and causing a water quality problem
❑D Odor(not including natural sulfide odors)
❑E Current published or collected data indicating degraded water quality in the assessment reach. Cite source in "Notes/Sketch"
section.
❑F Livestock with access to stream or intertidal zone
❑G Excessive algae in stream or intertidal zone
❑H Degraded marsh vegetation in the intertidal zone(removal, burning, regular mowing, destruction, etc)
®l Other: (explain in"Notes/Sketch"section)
❑J Little to no stressors
8. Recent Weather—watershed metric(skip for Tidal Marsh Streams)
For Size 1 or 2 streams, D1 drought or higher is considered a drought;for Size 3 or 4 streams, D2 drought or higher is considered a drought.
❑A Drought conditions and no rainfall or rainfall not exceeding 1 inch within the last 48 hours
❑B Drought conditions and rainfall exceeding 1 inch within the last 48 hours
®C No drought conditions
9. Large or Dangerous Stream—assessment reach metric
❑Yes ®No Is stream is too large or dangerous to assess? If Yes,skip to Metric 13(Streamside Area Ground Surface Condition).
10. Natural In-stream Habitat Types—assessment reach metric
10a. ❑Yes No Degraded in-stream habitat over majority of the assessment reach (examples of stressors include excessive
sedimentation, mining, excavation, in-stream hardening [for example, hp-rap], recent dredging, and snagging)
(evaluate for Size 4 Coastal Plain streams only,then skip to Metric 12)
10b. Check all that occur(occurs if>5%coverage of assessment reach)(skip for Size 4 Coastal Plain streams)
❑A Multiple aquatic macrophytes and aquatic mosses OF 5%oysters or other natural hard bottoms
(include liverworts, lichens, and algal mats) E ❑G Submerged aquatic vegetation
®B Multiple sticks and/or leaf packs and/or emergent o . ❑H Low-tide refugia(pools)
vegetation Y r 01 Sand bottom
❑C Multiple snags and logs(including lap trees) r ❑J 5%vertical bank along the marsh
❑D 5% undercut banks and/or root mats and/or roots 0 ❑K Little or no habitat
in banks extend to the normal wetted perimeter
❑E Little or no habitat
*********************************REMAINING QUESTIONS ARE NOT APPLICABLE FOR TIDAL MARSH STREAMS****************************
11. Bedform and Substrate—assessment reach metric(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)
11 a. ❑Yes No Is assessment reach in a natural sand-bed stream?(skip for Coastal Plain streams)
11 b. Bedform evaluated. Check the appropriate box(es).
®A Riffle-run section (evaluate 11c)
❑B Pool-glide section (evaluate 11d)
❑C Natural bedform absent(skip to Metric 12,Aquatic Life)
11 c. In riffle sections,check all that occur below the normal wetted perimeter of the assessment reach—whether or not submerged. Check
at least one box in each row(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams). Not Present(NP)=absent, Rare
(R) = present but< 10%, Common (C) = > 10-40%,Abundant(A) _> 40-70%, Predominant(P) = >70%. Cumulative percentages
should not exceed 100%for each assessment reach.
NP R C A P
❑ ® ❑ ❑ ❑ Bedrock/saprolite
• ❑ ❑ ❑ ❑ Boulder(256—4096 mm)
❑ ❑ ® ❑ ❑ Cobble(64—256 mm)
❑ ❑ ® ❑ ❑ Gravel (2—64 mm)
❑ ❑ ❑ ® ❑ Sand(.062—2 mm)
❑ ® ❑ ❑ ❑ Silt/clay(<0.062 mm)
❑ ❑ ® ❑ ❑ Detritus
• ❑ ❑ ❑ ❑ Artificial (rip-rap,concrete, etc.)
11 d. ❑Yes No Are pools filled with sediment?(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)

12. Aquatic Life—assessment reach metric(skip for Tidal Marsh Streams)
12a. EYes No Was an in-stream aquatic life assessment performed as described in the User Manual?
If No,select one of the following reasons and skip to Metric 13. No Water ❑Other:
12b. EYes No Are aquatic organisms present in the assessment reach (look in riffles, pools, then snags)? If Yes, check all that
apply. If No,skip to Metric 13.
1 >1 Numbers over columns refer to"individuals"for Size 1 and 2 streams and"taxa"for Size 3 and 4 streams.
❑ Adult frogs
❑ Aquatic reptiles
❑ Aquatic macrophytes and aquatic mosses(include liverworts, lichens, and algal mats)
❑ Beetles
• ❑Caddisfly larvae(T)
❑ Asian clam(Corbicula)
❑ Crustacean (isopod/amphipod/crayfish/shrimp)
Damselfly and dragonfly larvae
❑ ❑Dipterans
• ❑Mayfly larvae(E)
❑ ❑Megaloptera(alderfly,fishfly, dobsonfly larvae)
❑ ❑Midges/mosquito larvae
❑ Mosquito fish (Gambusia)or mud minnows(Umbra pygmaea)
❑ ❑Mussels/Clams(not Corbicula)
❑ Other fish
• ❑Salamanders/tadpoles
Snails
❑ ❑Stonefly larvae(P)
❑ ❑Tipulid larvae
• ❑Worms/leeches
13. Streamside Area Ground Surface Condition—streamside area metric(skip for Tidal Marsh Streams and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB). Consider storage capacity with regard to both overbank flow and upland runoff.
LB RB
❑A ®A Little or no alteration to water storage capacity over a majority of the streamside area
®B ❑B Moderate alteration to water storage capacity over a majority of the streamside area
❑C ❑C Severe alteration to water storage capacity over a majority of the streamside area(examples: ditches,fill,soil compaction,
livestock disturbance, buildings, man-made levees, drainage pipes)
14. Streamside Area Water Storage—streamside area metric(skip for Size 1 streams,Tidal Marsh Streams,and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB)of the streamside area.
LB RB
❑A ❑A Majority of streamside area with depressions able to pond water>_6 inches deep
❑B ❑B Majority of streamside area with depressions able to pond water 3 to 6 inches deep
®C ®C Majority of streamside area with depressions able to pond water<3 inches deep
15. Wetland Presence—streamside area metric(skip for Tidal Marsh Streams)
Consider for the Left Bank(LB)and the Right Bank(RB). Do not consider wetlands outside of the streamside area or within the normal
wetted perimeter of assessment reach.
LB RB
®Y ®Y Are wetlands present in the streamside area?
❑N ON
16. Baseflow Contributors—assessment reach metric(skip for Size 4 streams and Tidal Marsh Streams)
Check all contributors within the assessment reach or within view of and draining to the assessment reach.
®A Streams and/or springs(jurisdictional discharges)
❑B Ponds(include wet detention basins; do not include sediment basins or dry detention basins)
❑C Obstruction passing flow during low-flow periods within the assessment area(beaver dam, leaky dam, bottom-release dam,weir)
❑D Evidence of bank seepage or sweating(iron in water indicates seepage)
®E Stream bed or bank soil reduced(dig through deposited sediment if present)
❑F None of the above
17. Baseflow Detractors—assessment area metric(skip for Tidal Marsh Streams)
Check all that apply.
❑A Evidence of substantial water withdrawals from the assessment reach (includes areas excavated for pump installation)
❑B Obstruction not passing flow during low-flow periods affecting the assessment reach (ex:watertight dam,sediment deposit)
❑C Urban stream(>_24%impervious surface for watershed)
®D Evidence that the streamside area has been modified resulting in accelerated drainage into the assessment reach
❑E Assessment reach relocated to valley edge
❑F None of the above
18. Shading—assessment reach metric(skip for Tidal Marsh Streams)
Consider aspect. Consider"leaf-on"condition.
❑A Stream shading is appropriate for stream category(may include gaps associated with natural processes)
®B Degraded(example: scattered trees)
❑C Stream shading is gone or largely absent

19. Buffer Width—streamside area metric(skip for Tidal Marsh Streams)
Consider"vegetated buffer" and"wooded buffer"separately for left bank(LB)and right bank(RB)starting at the top of bank out
to the first break.
Vegetated Wooded
LB RB LB RB
®A ®A ❑A ❑A >_ 100 feet wide or extends to the edge of the watershed
❑B ❑B ❑B ®B From 50 to< 100 feet wide
❑C ❑C ❑C ❑C From 30 to<50 feet wide
❑D ❑D ®D ❑D From 10 to<30 feet wide
❑E ❑E ❑E ❑E < 10 feet wide or no trees
20. Buffer Structure—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Vegetated" Buffer Width).
LB RB
❑A ❑A Mature forest
®B ®B Non-mature woody vegetation or modified vegetation structure
❑C ❑C Herbaceous vegetation with or without a strip of trees< 10 feet wide
❑D ❑D Maintained shrubs
❑E ❑E Little or no vegetation
21. Buffer Stressors—streamside area metric(skip for Tidal Marsh Streams)
Check all appropriate boxes for left bank(LB)and right bank(RB). Indicate if listed stressor abuts stream(Abuts), does not abut but is
within 30 feet of stream(<30 feet), or is between 30 to 50 feet of stream(30-50 feet).
If none of the following stressors occurs on either bank,check here and skip to Metric 22:
Abuts <30 feet 30-50 feet
LB RB LB RB LB RB
❑A ❑A ❑A ❑A ❑A ❑A Row crops
❑B ❑B ❑B ❑B ❑B ❑B Maintained turf
❑C ❑C ❑C ❑C ❑C ❑C Pasture(no livestock)/commercial horticulture
❑D ❑D ❑D ❑D ❑D ❑D Pasture(active livestock use)
22. Stem Density—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Wooded" Buffer Width).
LB RB
❑A ®A Medium to high stem density
®B ❑B Low stem density
❑C ❑C No wooded riparian buffer or predominantly herbaceous species or bare ground
23. Continuity of Vegetated Buffer—streamside area metric(skip for Tidal Marsh Streams)
Consider whether vegetated buffer is continuous along stream(parallel). Breaks are areas lacking vegetation > 10 feet wide.
LB RB
®A ®A The total length of buffer breaks is<25 percent.
❑B ❑B The total length of buffer breaks is between 25 and 50 percent.
❑C ❑C The total length of buffer breaks is>50 percent.
24. Vegetative Composition—streamside area metric(skip for Tidal Marsh Streams)
Evaluate the dominant vegetation within 100 feet of each bank or to the edge of the watershed (whichever comes first)as it contributes to
assessment reach habitat.
LB RB
❑A ❑A Vegetation is close to undisturbed in species present and their proportions. Lower strata composed of native species,
with non-native invasive species absent or sparse.
❑B ®B Vegetation indicates disturbance in terms of species diversity or proportions, but is still largely composed of native
species. This may include communities of weedy native species that develop after clear-cutting or clearing or
communities with non-native invasive species present, but not dominant, over a large portion of the expected strata or
communities missing understory but retaining canopy trees.
®C ❑C Vegetation is severely disturbed in terms of species diversity or proportions. Mature canopy is absent or communities
with non-native invasive species dominant over a large portion of expected strata or communities composed of planted
stands of non-characteristic species or communities inappropriately composed of a single species or no vegetation.
25. Conductivity—assessment reach metric(skip for all Coastal Plain streams)
25a. ❑Yes No Was conductivity measurement recorded?
If No,select one of the following reasons. No Water ❑Other:
25b. Check the box corresponding to the conductivity measurement(units of microsiemens per centimeter).
❑A <46 ❑B 46 to<67 ❑C 67 to<79 ❑D 79 to<230 ❑E >_230
Notes/Sketch:

Draft NC SAM Stream Rating Sheet
Accompanies User Manual Version 2.1
Stream Site Name Oak Hill Dairy Date of Assessment 12-18-19
Stream Category Pa3 Assessor Name/Organization IE/EW/HR (Wildlands
Engineering)
Notes of Field Assessment Form(Y/N) NO
Presence of regulatory considerations (Y/N) NO
Additional stream information/supplementary measurements included (Y/N) NO
NC SAM feature type(perennial, intermittent, Tidal Marsh Stream) Perennial
USACE/ NCDWR
Function Class Rating Summary All Streams Intermittent
(1) Hydrology LOW
(2) Baseflow HIGH
(2) Flood Flow LOW
(3)Streamside Area Attenuation MEDIUM
(4) Floodplain Access MEDIUM
(4)Wooded Riparian Buffer MEDIUM
(4) Microtopography LOW
(3)Stream Stability LOW
(4) Channel Stability LOW
(4) Sediment Transport MEDIUM
(4) Stream Geomorphology MEDIUM
(2)Stream/Intertidal Zone Interaction NA
(2) Longitudinal Tidal Flow NA
(2)Tidal Marsh Stream Stability NA
(3)Tidal Marsh Channel Stability NA
(3)Tidal Marsh Stream Geomorphology NA
(1)Water Quality MEDIUM
(2) Baseflow HIGH
(2)Streamside Area Vegetation HIGH
(3) Upland Pollutant Filtration HIGH
(3)Thermoregulation MEDIUM
(2) Indicators of Stressors YES
(2)Aquatic Life Tolerance HIGH
(2) Intertidal Zone Filtration NA
(1) Habitat LOW
(2) In-stream Habitat LOW
(3) Baseflow HIGH
(3)Substrate MEDIUM
(3)Stream Stability LOW
(3) In-stream Habitat LOW
(2)Stream-side Habitat MEDIUM
(3)Stream-side Habitat MEDIUM
(3)Thermoregulation MEDIUM
(2)Tidal Marsh In-stream Habitat NA
(3) Flow Restriction NA
(3)Tidal Marsh Stream Stability NA
(4)Tidal Marsh Channel Stability NA
(4)Tidal Marsh Stream Geomorphology NA
(3)Tidal Marsh In-stream Habitat NA
(2) Intertidal Zone NA
Overall LOW

NC SAM FIELD ASSESSMENT RESULTS
Accompanies User Manual Version 2.1
USACE AID#: NCDWR#:
INSTRUCTIONS: Attach a sketch of the assessment area and photographs. Attach a copy of the USGS 7.5-minute topographic quadrangle,
and circle the location of the stream reach under evaluation. If multiple stream reaches will be evaluated on the same property, identify and
number all reaches on the attached map, and include a separate form for each reach. See the NC SAM User Manual for detailed descriptions
and explanations of requested information. Record in the "Notes/Sketch"section if supplementary measurements were performed. See the
NC SAM User Manual for examples of additional measurements that may be relevant.
NOTE EVIDENCE OF STRESSORS AFFECTING THE ASSESSMENT AREA(do not need to be within the assessment area).
PROJECT/SITE INFORMATION:
1. Project name(if any): Oak Hill Dairy 2. Date of evaluation: 12-19-19
3.Applicant/owner name: NC DMS 4.Assessor name/organization: IE(Wildlands Engineering)
5. County: Gaston 6. Nearest named water body
7. River basin: Catawba on USGS 7.5-minute quad: Indian Creek
8. Site coordinates(decimal degrees, at lower end of assessment reach):
STREAM INFORMATION: (depth and width can be approximations)
UT1A(trampled
9. Site number(show on attached map): feed lot trib) 10. Length of assessment reach evaluated(feet): 200
11. Channel depth from bed(in riffle, if present)to top of bank(feet): 3-6 Unable to assess channel depth.
12. Channel width at top of bank(feet): 3-10 13. Is assessment reach a swamp steam? ❑Yes No
14. Feature type: ®Perennial flow ❑Intermittent flow Tidal Marsh Stream
STREAM CATEGORY INFORMATION:
15. NC SAM Zone: ❑ Mountains(M) ® Piedmont(P) ❑ Inner Coastal Plain (I) ❑ Outer Coastal Plain (0)
16. Estimated geomorphic ❑A� J ®B
valley shape(skip for
Tidal Marsh Stream): (more sinuous stream,flatter valley slope) (less sinuous stream,steeper valley slope)
17.Watershed size: (skip ®Size 1 (<0.1 mi2) Size 2(0.1 to<0.5 mi2) Size 3(0.5 to<5 mi2) Size 4(>_5 mil)
for Tidal Marsh Stream)
ADDITIONAL INFORMATION:
18.Were regulatory considerations evaluated? EYes No If Yes,check all that apply to the assessment area.
▪Section 10 water Classified Trout Waters Water Supply Watershed (01 011 ❑III ❑IV ❑V)
▪Essential Fish Habitat Primary Nursery Area ❑ High Quality Waters/Outstanding Resource Waters
▪Publicly owned property ❑NCDWR Riparian buffer rule in effect Nutrient Sensitive Waters
❑Anadromous fish 0303(d)List ❑CAMA Area of Environmental Concern (AEC)
▪Documented presence of a federal and/or state listed protected species within the assessment area.
List species:
▪Designated Critical Habitat(list species)
19.Are additional stream information/supplementary measurements included in"Notes/Sketch"section or attached? ❑Yes No
1. Channel Water-assessment reach metric(skip for Size 1 streams and Tidal Marsh Streams)
®A Water throughout assessment reach.
❑B No flow,water in pools only.
❑C No water in assessment reach.
2. Evidence of Flow Restriction-assessment reach metric
❑A At least 10% of assessment reach in-stream habitat or riffle-pool sequence is severely affected by a flow restriction or fill to the
point of obstructing flow or a channel choked with aquatic macrophytes or ponded water or impoundment on flood or ebb within
the assessment reach (examples: undersized or perched culverts,causeways that constrict the channel,tidal gates, debris jams,
beaver dams).
®B NotA
3. Feature Pattern-assessment reach metric
®A A majority of the assessment reach has altered pattern (examples:straightening, modification above or below culvert).
❑B NotA
4. Feature Longitudinal Profile-assessment reach metric
®A Majority of assessment reach has a substantially altered stream profile(examples: channel down-cutting, existing damming, over
widening, active aggradation, dredging, and excavation where appropriate channel profile has not reformed from any of these
disturbances).
❑B NotA
5. Signs of Active Instability-assessment reach metric
Consider only current instability, not past events from which the stream has currently recovered. Examples of instability include
active bank failure, active channel down-cutting(head-cut), active widening, and artificial hardening(such as concrete, gabion, rip-rap).
❑A < 10%of channel unstable
❑B 10 to 25%of channel unstable
®C >25%of channel unstable

6. Streamside Area Interaction—streamside area metric
Consider for the Left Bank(LB)and the Right Bank(RB).
LB RB
❑A ❑A Little or no evidence of conditions that adversely affect reference interaction
❑B ❑B Moderate evidence of conditions (examples: berms, levees, down-cutting, aggradation, dredging)that adversely affect
reference interaction(examples: limited streamside area access, disruption of flood flows through streamside area,leaky
or intermittent bulkheads,causeways with floodplain constriction, minor ditching[including mosquito ditching])
®C ®C Extensive evidence of conditions that adversely affect reference interaction (little to no floodplain/intertidal zone access
[examples: causeways with floodplain and channel constriction,bulkheads,retaining walls,fill,stream incision, disruption
of flood flows through streamside area]or too much floodplain/intertidal zone access[examples:impoundments,intensive
mosquito ditching]) or floodplain/intertidal zone unnaturally absent or assessment reach is a man-made feature on an
interstream divide
7. Water Quality Stressors—assessment reach/intertidal zone metric
Check all that apply.
❑A Discolored water in stream or intertidal zone(milky white, blue, unnatural water discoloration, oil sheen,stream foam)
®B Excessive sedimentation (burying of stream features or intertidal zone)
❑C Noticeable evidence of pollutant discharges entering the assessment reach and causing a water quality problem
❑D Odor(not including natural sulfide odors)
❑E Current published or collected data indicating degraded water quality in the assessment reach. Cite source in "Notes/Sketch"
section.
®F Livestock with access to stream or intertidal zone
❑G Excessive algae in stream or intertidal zone
❑H Degraded marsh vegetation in the intertidal zone(removal, burning, regular mowing, destruction, etc)
❑1 Other: (explain in"Notes/Sketch"section)
❑J Little to no stressors
8. Recent Weather—watershed metric(skip for Tidal Marsh Streams)
For Size 1 or 2 streams, D1 drought or higher is considered a drought;for Size 3 or 4 streams, D2 drought or higher is considered a drought.
❑A Drought conditions and no rainfall or rainfall not exceeding 1 inch within the last 48 hours
❑B Drought conditions and rainfall exceeding 1 inch within the last 48 hours
®C No drought conditions
9. Large or Dangerous Stream—assessment reach metric
❑Yes ®No Is stream is too large or dangerous to assess? If Yes,skip to Metric 13(Streamside Area Ground Surface Condition).
10. Natural In-stream Habitat Types—assessment reach metric
10a. ❑Yes No Degraded in-stream habitat over majority of the assessment reach (examples of stressors include excessive
sedimentation, mining, excavation, in-stream hardening [for example, hp-rap], recent dredging, and snagging)
(evaluate for Size 4 Coastal Plain streams only,then skip to Metric 12)
10b. Check all that occur(occurs if>5%coverage of assessment reach)(skip for Size 4 Coastal Plain streams)
❑A Multiple aquatic macrophytes and aquatic mosses OF 5%oysters or other natural hard bottoms
(include liverworts, lichens, and algal mats) E ❑G Submerged aquatic vegetation
❑B Multiple sticks and/or leaf packs and/or emergent o . ❑H Low-tide refugia(pools)
vegetation Y r 01 Sand bottom
❑C Multiple snags and logs(including lap trees) r ❑J 5%vertical bank along the marsh
❑D 5% undercut banks and/or root mats and/or roots 0 ❑K Little or no habitat
in banks extend to the normal wetted perimeter
®E Little or no habitat
*********************************REMAINING QUESTIONS ARE NOT APPLICABLE FOR TIDAL MARSH STREAMS****************************
11. Bedform and Substrate—assessment reach metric(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)
11 a. ❑Yes No Is assessment reach in a natural sand-bed stream?(skip for Coastal Plain streams)
11 b. Bedform evaluated. Check the appropriate box(es).
®A Riffle-run section (evaluate 11c)
❑B Pool-glide section (evaluate 11d)
❑C Natural bedform absent(skip to Metric 12,Aquatic Life)
11 c. In riffle sections,check all that occur below the normal wetted perimeter of the assessment reach—whether or not submerged. Check
at least one box in each row(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams). Not Present(NP)=absent, Rare
(R) = present but< 10%, Common (C) = > 10-40%,Abundant(A) _> 40-70%, Predominant(P) = >70%. Cumulative percentages
should not exceed 100%for each assessment reach.
NP R C A P
• ❑ ❑ ❑ ❑ Bedrock/saprolite
• ❑ ❑ ❑ ❑ Boulder(256—4096 mm)
❑ ® ❑ ❑ ❑ Cobble(64—256 mm)
❑ ❑ ® ❑ ❑ Gravel (2—64 mm)
❑ ❑ ❑ ® ❑ Sand(.062—2 mm)
❑ ❑ ® ❑ ❑ Silt/clay(<0.062 mm)
❑ ® ❑ ❑ ❑ Detritus
• ❑ ❑ ❑ ❑ Artificial (rip-rap,concrete, etc.)
11 d. ❑Yes No Are pools filled with sediment?(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)

12. Aquatic Life—assessment reach metric(skip for Tidal Marsh Streams)
12a. EYes No Was an in-stream aquatic life assessment performed as described in the User Manual?
If No,select one of the following reasons and skip to Metric 13. No Water ❑Other:
12b. ❑Yes No Are aquatic organisms present in the assessment reach (look in riffles, pools, then snags)? If Yes, check all that
apply. If No,skip to Metric 13.
1 >1 Numbers over columns refer to"individuals"for Size 1 and 2 streams and"taxa"for Size 3 and 4 streams.
❑ Adult frogs
❑ Aquatic reptiles
❑ Aquatic macrophytes and aquatic mosses(include liverworts, lichens, and algal mats)
❑ Beetles
❑ ❑Caddisfly larvae(T)
❑ Asian clam(Corbicula)
❑ Crustacean (isopod/amphipod/crayfish/shrimp)
❑ Damselfly and dragonfly larvae
❑ ❑Dipterans
❑ ❑Mayfly larvae(E)
❑ ❑Megaloptera(alderfly,fishfly, dobsonfly larvae)
❑ ❑Midges/mosquito larvae
❑ Mosquito fish (Gambusia)or mud minnows(Umbra pygmaea)
❑ ❑Mussels/Clams(not Corbicula)
❑ Other fish
❑ ❑Salamanders/tadpoles
❑ Snails
❑ ❑Stonefly larvae(P)
❑ ❑Tipulid larvae
❑ ❑Worms/leeches
13. Streamside Area Ground Surface Condition—streamside area metric(skip for Tidal Marsh Streams and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB). Consider storage capacity with regard to both overbank flow and upland runoff.
LB RB
❑A ❑A Little or no alteration to water storage capacity over a majority of the streamside area
❑B ❑B Moderate alteration to water storage capacity over a majority of the streamside area
®C ®C Severe alteration to water storage capacity over a majority of the streamside area(examples: ditches,fill,soil compaction,
livestock disturbance, buildings, man-made levees, drainage pipes)
14. Streamside Area Water Storage—streamside area metric(skip for Size 1 streams,Tidal Marsh Streams,and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB)of the streamside area.
LB RB
❑A ❑A Majority of streamside area with depressions able to pond water>_6 inches deep
❑B ❑B Majority of streamside area with depressions able to pond water 3 to 6 inches deep
❑C ❑C Majority of streamside area with depressions able to pond water<3 inches deep
15. Wetland Presence—streamside area metric(skip for Tidal Marsh Streams)
Consider for the Left Bank(LB)and the Right Bank(RB). Do not consider wetlands outside of the streamside area or within the normal
wetted perimeter of assessment reach.
LB RB
®Y ®Y Are wetlands present in the streamside area?
❑N ON
16. Baseflow Contributors—assessment reach metric(skip for Size 4 streams and Tidal Marsh Streams)
Check all contributors within the assessment reach or within view of and draining to the assessment reach.
®A Streams and/or springs(jurisdictional discharges)
❑B Ponds(include wet detention basins; do not include sediment basins or dry detention basins)
❑C Obstruction passing flow during low-flow periods within the assessment area(beaver dam, leaky dam, bottom-release dam,weir)
®D Evidence of bank seepage or sweating(iron in water indicates seepage)
®E Stream bed or bank soil reduced(dig through deposited sediment if present)
❑F None of the above
17. Baseflow Detractors—assessment area metric(skip for Tidal Marsh Streams)
Check all that apply.
❑A Evidence of substantial water withdrawals from the assessment reach (includes areas excavated for pump installation)
❑B Obstruction not passing flow during low-flow periods affecting the assessment reach (ex:watertight dam,sediment deposit)
❑C Urban stream(>_24%impervious surface for watershed)
®D Evidence that the streamside area has been modified resulting in accelerated drainage into the assessment reach
❑E Assessment reach relocated to valley edge
❑F None of the above
18. Shading—assessment reach metric(skip for Tidal Marsh Streams)
Consider aspect. Consider"leaf-on"condition.
❑A Stream shading is appropriate for stream category(may include gaps associated with natural processes)
❑B Degraded(example: scattered trees)
®C Stream shading is gone or largely absent

19. Buffer Width—streamside area metric(skip for Tidal Marsh Streams)
Consider"vegetated buffer" and"wooded buffer"separately for left bank(LB)and right bank(RB)starting at the top of bank out
to the first break.
Vegetated Wooded
LB RB LB RB
❑A ®A ❑A ❑A >_ 100 feet wide or extends to the edge of the watershed
❑B ❑B ❑B ❑B From 50 to< 100 feet wide
❑C ❑C ❑C ❑C From 30 to<50 feet wide
❑D ❑D ❑D ❑D From 10 to<30 feet wide
®E ❑E EE EE < 10 feet wide or no trees
20. Buffer Structure—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Vegetated" Buffer Width).
LB RB
❑A ❑A Mature forest
❑B ❑B Non-mature woody vegetation or modified vegetation structure
❑C ®C Herbaceous vegetation with or without a strip of trees< 10 feet wide
❑D ❑D Maintained shrubs
®E ❑E Little or no vegetation
21. Buffer Stressors—streamside area metric(skip for Tidal Marsh Streams)
Check all appropriate boxes for left bank(LB)and right bank(RB). Indicate if listed stressor abuts stream(Abuts), does not abut but is
within 30 feet of stream(<30 feet), or is between 30 to 50 feet of stream(30-50 feet).
If none of the following stressors occurs on either bank,check here and skip to Metric 22: ❑
Abuts <30 feet 30-50 feet
LB RB LB RB LB RB
❑A ❑A ❑A ❑A ❑A ❑A Row crops
❑B ❑B ❑B ❑B ❑B ❑B Maintained turf
❑C ❑C ❑C ❑C ❑C ❑C Pasture(no livestock)/commercial horticulture
®D ®D ®D ®D ®D ®D Pasture(active livestock use)
22. Stem Density—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Wooded" Buffer Width).
LB RB
❑A ❑A Medium to high stem density
❑B ❑B Low stem density
®C ®C No wooded riparian buffer or predominantly herbaceous species or bare ground
23. Continuity of Vegetated Buffer—streamside area metric(skip for Tidal Marsh Streams)
Consider whether vegetated buffer is continuous along stream(parallel). Breaks are areas lacking vegetation > 10 feet wide.
LB RB
❑A ®A The total length of buffer breaks is<25 percent.
❑B ❑B The total length of buffer breaks is between 25 and 50 percent.
®C ❑C The total length of buffer breaks is>50 percent.
24. Vegetative Composition—streamside area metric(skip for Tidal Marsh Streams)
Evaluate the dominant vegetation within 100 feet of each bank or to the edge of the watershed (whichever comes first)as it contributes to
assessment reach habitat.
LB RB
❑A ❑A Vegetation is close to undisturbed in species present and their proportions. Lower strata composed of native species,
with non-native invasive species absent or sparse.
❑B ❑B Vegetation indicates disturbance in terms of species diversity or proportions, but is still largely composed of native
species. This may include communities of weedy native species that develop after clear-cutting or clearing or
communities with non-native invasive species present, but not dominant, over a large portion of the expected strata or
communities missing understory but retaining canopy trees.
®C ®C Vegetation is severely disturbed in terms of species diversity or proportions. Mature canopy is absent or communities
with non-native invasive species dominant over a large portion of expected strata or communities composed of planted
stands of non-characteristic species or communities inappropriately composed of a single species or no vegetation.
25. Conductivity—assessment reach metric(skip for all Coastal Plain streams)
25a. ❑Yes No Was conductivity measurement recorded?
If No,select one of the following reasons. No Water ❑Other:
25b. Check the box corresponding to the conductivity measurement(units of microsiemens per centimeter).
❑A <46 ❑B 46 to<67 ❑C 67 to<79 ❑D 79 to<230 ❑E >_230
Notes/Sketch:

Draft NC SAM Stream Rating Sheet
Accompanies User Manual Version 2.1
Stream Site Name Oak Hill Dairy Date of Assessment 12-19-19
Stream Category Pb1 Assessor Name/Organization IE (Wildlands Engineering)
Notes of Field Assessment Form(Y/N) NO
Presence of regulatory considerations (Y/N) NO
Additional stream information/supplementary measurements included (Y/N) NO
NC SAM feature type(perennial, intermittent, Tidal Marsh Stream) Perennial
USACE/ NCDWR
Function Class Rating Summary All Streams Intermittent
(1) Hydrology LOW
(2) Baseflow MEDIUM
(2) Flood Flow LOW
(3)Streamside Area Attenuation LOW
(4) Floodplain Access LOW
(4)Wooded Riparian Buffer LOW
(4) Microtopography NA
(3)Stream Stability LOW
(4) Channel Stability LOW
(4) Sediment Transport MEDIUM
(4) Stream Geomorphology LOW
(2)Stream/Intertidal Zone Interaction NA
(2) Longitudinal Tidal Flow NA
(2)Tidal Marsh Stream Stability NA
(3)Tidal Marsh Channel Stability NA
(3)Tidal Marsh Stream Geomorphology NA
(1)Water Quality LOW
(2) Baseflow MEDIUM
(2)Streamside Area Vegetation LOW
(3) Upland Pollutant Filtration LOW
(3)Thermoregulation LOW
(2) Indicators of Stressors YES
(2)Aquatic Life Tolerance HIGH
(2) Intertidal Zone Filtration NA
(1) Habitat LOW
(2) In-stream Habitat LOW
(3) Baseflow MEDIUM
(3)Substrate MEDIUM
(3)Stream Stability LOW
(3) In-stream Habitat LOW
(2)Stream-side Habitat LOW
(3)Stream-side Habitat LOW
(3)Thermoregulation LOW
(2)Tidal Marsh In-stream Habitat NA
(3) Flow Restriction NA
(3)Tidal Marsh Stream Stability NA
(4)Tidal Marsh Channel Stability NA
(4)Tidal Marsh Stream Geomorphology NA
(3)Tidal Marsh In-stream Habitat NA
(2) Intertidal Zone NA
Overall LOW

NC SAM FIELD ASSESSMENT RESULTS
Accompanies User Manual Version 2.1
USACE AID#: NCDWR#:
INSTRUCTIONS: Attach a sketch of the assessment area and photographs. Attach a copy of the USGS 7.5-minute topographic quadrangle,
and circle the location of the stream reach under evaluation. If multiple stream reaches will be evaluated on the same property, identify and
number all reaches on the attached map, and include a separate form for each reach. See the NC SAM User Manual for detailed descriptions
and explanations of requested information. Record in the "Notes/Sketch"section if supplementary measurements were performed. See the
NC SAM User Manual for examples of additional measurements that may be relevant.
NOTE EVIDENCE OF STRESSORS AFFECTING THE ASSESSMENT AREA(do not need to be within the assessment area).
PROJECT/SITE INFORMATION:
1. Project name(if any): Oak Hill Dairy 2. Date of evaluation: 12-19-19
3.Applicant/owner name: NC DMS 4.Assessor name/organization: IE(Wildlands Engineering)
5. County: Gaston 6. Nearest named water body
7. River basin: Catawba on USGS 7.5-minute quad: Indian Creek
8. Site coordinates(decimal degrees, at lower end of assessment reach): 35.403169,-81.356542
STREAM INFORMATION: (depth and width can be approximations)
UT1B
9. Site number(show on attached map): (Intermittent) 10. Length of assessment reach evaluated(feet): 100
11. Channel depth from bed(in riffle, if present)to top of bank(feet): 0.5-1.0 ®Unable to assess channel depth.
12. Channel width at top of bank(feet): 2-3 13. Is assessment reach a swamp steam? ❑Yes No
14. Feature type: Perennial flow ®Intermittent flow Tidal Marsh Stream
STREAM CATEGORY INFORMATION:
15. NC SAM Zone: ❑ Mountains(M) ® Piedmont(P) ❑ Inner Coastal Plain (I) ❑ Outer Coastal Plain (0)
16. Estimated geomorphic EAR J ❑B
valley shape(skip for
Tidal Marsh Stream): (more sinuous stream,flatter valley slope) (less sinuous stream,steeper valley slope)
17.Watershed size: (skip ®Size 1 (<0.1 mi2) Size 2(0.1 to<0.5 mi2) Size 3(0.5 to<5 mi2) Size 4(>_5 mil)
for Tidal Marsh Stream)
ADDITIONAL INFORMATION:
18.Were regulatory considerations evaluated? EYes No If Yes,check all that apply to the assessment area.
▪Section 10 water Classified Trout Waters Water Supply Watershed (01 011 ❑III ❑IV ❑V)
▪Essential Fish Habitat Primary Nursery Area ❑ High Quality Waters/Outstanding Resource Waters
▪Publicly owned property ❑NCDWR Riparian buffer rule in effect Nutrient Sensitive Waters
❑Anadromous fish 0303(d)List ❑CAMA Area of Environmental Concern (AEC)
▪Documented presence of a federal and/or state listed protected species within the assessment area.
List species:
▪Designated Critical Habitat(list species)
19.Are additional stream information/supplementary measurements included in"Notes/Sketch"section or attached? ❑Yes No
1. Channel Water-assessment reach metric(skip for Size 1 streams and Tidal Marsh Streams)
❑A Water throughout assessment reach.
®B No flow,water in pools only.
❑C No water in assessment reach.
2. Evidence of Flow Restriction-assessment reach metric
❑A At least 10% of assessment reach in-stream habitat or riffle-pool sequence is severely affected by a flow restriction or fill to the
point of obstructing flow or a channel choked with aquatic macrophytes or ponded water or impoundment on flood or ebb within
the assessment reach (examples: undersized or perched culverts,causeways that constrict the channel,tidal gates, debris jams,
beaver dams).
®B NotA
3. Feature Pattern-assessment reach metric
❑A A majority of the assessment reach has altered pattern (examples:straightening, modification above or below culvert).
®B NotA
4. Feature Longitudinal Profile-assessment reach metric
❑A Majority of assessment reach has a substantially altered stream profile(examples: channel down-cutting, existing damming, over
widening, active aggradation, dredging, and excavation where appropriate channel profile has not reformed from any of these
disturbances).
®B NotA
5. Signs of Active Instability-assessment reach metric
Consider only current instability, not past events from which the stream has currently recovered. Examples of instability include
active bank failure, active channel down-cutting(head-cut), active widening, and artificial hardening(such as concrete, gabion, rip-rap).
®A < 10%of channel unstable
❑B 10 to 25%of channel unstable
❑C >25%of channel unstable

6. Streamside Area Interaction—streamside area metric
Consider for the Left Bank(LB)and the Right Bank(RB).
LB RB
®A ®A Little or no evidence of conditions that adversely affect reference interaction
❑B ❑B Moderate evidence of conditions (examples: berms, levees, down-cutting, aggradation, dredging)that adversely affect
reference interaction(examples: limited streamside area access, disruption of flood flows through streamside area,leaky
or intermittent bulkheads,causeways with floodplain constriction, minor ditching[including mosquito ditching])
❑C ❑C Extensive evidence of conditions that adversely affect reference interaction (little to no floodplain/intertidal zone access
[examples: causeways with floodplain and channel constriction,bulkheads,retaining walls,fill,stream incision, disruption
of flood flows through streamside area]or too much floodplain/intertidal zone access[examples:impoundments,intensive
mosquito ditching]) or floodplain/intertidal zone unnaturally absent or assessment reach is a man-made feature on an
interstream divide
7. Water Quality Stressors—assessment reach/intertidal zone metric
Check all that apply.
❑A Discolored water in stream or intertidal zone(milky white, blue, unnatural water discoloration, oil sheen,stream foam)
❑B Excessive sedimentation (burying of stream features or intertidal zone)
❑C Noticeable evidence of pollutant discharges entering the assessment reach and causing a water quality problem
❑D Odor(not including natural sulfide odors)
❑E Current published or collected data indicating degraded water quality in the assessment reach. Cite source in "Notes/Sketch"
section.
❑F Livestock with access to stream or intertidal zone
❑G Excessive algae in stream or intertidal zone
❑H Degraded marsh vegetation in the intertidal zone(removal, burning, regular mowing, destruction, etc)
❑1 Other: (explain in"Notes/Sketch"section)
• Little to no stressors
8. Recent Weather—watershed metric(skip for Tidal Marsh Streams)
For Size 1 or 2 streams, D1 drought or higher is considered a drought;for Size 3 or 4 streams, D2 drought or higher is considered a drought.
❑A Drought conditions and no rainfall or rainfall not exceeding 1 inch within the last 48 hours
❑B Drought conditions and rainfall exceeding 1 inch within the last 48 hours
®C No drought conditions
9. Large or Dangerous Stream—assessment reach metric
❑Yes ®No Is stream is too large or dangerous to assess? If Yes,skip to Metric 13(Streamside Area Ground Surface Condition).
10. Natural In-stream Habitat Types—assessment reach metric
10a. ❑Yes No Degraded in-stream habitat over majority of the assessment reach (examples of stressors include excessive
sedimentation, mining, excavation, in-stream hardening [for example, hp-rap], recent dredging, and snagging)
(evaluate for Size 4 Coastal Plain streams only,then skip to Metric 12)
10b. Check all that occur(occurs if>5%coverage of assessment reach)(skip for Size 4 Coastal Plain streams)
❑A Multiple aquatic macrophytes and aquatic mosses OF 5%oysters or other natural hard bottoms
(include liverworts, lichens, and algal mats) E ❑G Submerged aquatic vegetation
®B Multiple sticks and/or leaf packs and/or emergent o . ❑H Low-tide refugia(pools)
vegetation Y r 01 Sand bottom
❑C Multiple snags and logs(including lap trees) r ❑J 5%vertical bank along the marsh
❑D 5% undercut banks and/or root mats and/or roots 0 ❑K Little or no habitat
in banks extend to the normal wetted perimeter
❑E Little or no habitat
*********************************REMAINING QUESTIONS ARE NOT APPLICABLE FOR TIDAL MARSH STREAMS****************************
11. Bedform and Substrate—assessment reach metric(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)
11 a. ❑Yes No Is assessment reach in a natural sand-bed stream?(skip for Coastal Plain streams)
11 b. Bedform evaluated. Check the appropriate box(es).
®A Riffle-run section (evaluate 11c)
❑B Pool-glide section (evaluate 11d)
❑C Natural bedform absent(skip to Metric 12,Aquatic Life)
11 c. In riffle sections,check all that occur below the normal wetted perimeter of the assessment reach—whether or not submerged. Check
at least one box in each row(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams). Not Present(NP)=absent, Rare
(R) = present but< 10%, Common (C) = > 10-40%,Abundant(A) _> 40-70%, Predominant(P) = >70%. Cumulative percentages
should not exceed 100%for each assessment reach.
NP R C A P
• ❑ ❑ ❑ ❑ Bedrock/saprolite
• ❑ ❑ ❑ ❑ Boulder(256—4096 mm)
• ❑ ❑ ❑ ❑ Cobble(64—256 mm)
❑ ® ❑ ❑ ❑ Gravel (2—64 mm)
❑ ❑ ® ❑ ❑ Sand(.062—2 mm)
❑ ❑ ® ❑ ❑ Silt/clay(<0.062 mm)
❑ ❑ ® ❑ ❑ Detritus
• ❑ ❑ ❑ ❑ Artificial (rip-rap,concrete, etc.)
11 d. ❑Yes No Are pools filled with sediment?(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)

12. Aquatic Life—assessment reach metric(skip for Tidal Marsh Streams)
12a. ®Yes No Was an in-stream aquatic life assessment performed as described in the User Manual?
If No,select one of the following reasons and skip to Metric 13. No Water ❑Other:
12b. ®Yes No Are aquatic organisms present in the assessment reach (look in riffles, pools, then snags)? If Yes, check all that
apply. If No,skip to Metric 13.
1 >1 Numbers over columns refer to"individuals"for Size 1 and 2 streams and"taxa"for Size 3 and 4 streams.
❑ Adult frogs
❑ Aquatic reptiles
❑ Aquatic macrophytes and aquatic mosses(include liverworts, lichens, and algal mats)
❑ Beetles
❑ ❑Caddisfly larvae(T)
❑ Asian clam(Corbicula)
❑ ®Crustacean (isopod/amphipod/crayfish/shrimp)
❑ Damselfly and dragonfly larvae
❑ ❑Dipterans
❑ ❑Mayfly larvae(E)
❑ ❑Megaloptera(alderfly,fishfly, dobsonfly larvae)
❑ ❑Midges/mosquito larvae
❑ Mosquito fish (Gambusia)or mud minnows(Umbra pygmaea)
❑ ❑Mussels/Clams(not Corbicula)
❑ Other fish
• ❑Salamanders/tadpoles
Snails
• ❑Stonefly larvae(P)
❑ ❑Tipulid larvae
❑ ❑Worms/leeches
13. Streamside Area Ground Surface Condition—streamside area metric(skip for Tidal Marsh Streams and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB). Consider storage capacity with regard to both overbank flow and upland runoff.
LB RB
®A ®A Little or no alteration to water storage capacity over a majority of the streamside area
❑B ❑B Moderate alteration to water storage capacity over a majority of the streamside area
❑C ❑C Severe alteration to water storage capacity over a majority of the streamside area(examples: ditches,fill,soil compaction,
livestock disturbance, buildings, man-made levees, drainage pipes)
14. Streamside Area Water Storage—streamside area metric(skip for Size 1 streams,Tidal Marsh Streams,and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB)of the streamside area.
LB RB
❑A ❑A Majority of streamside area with depressions able to pond water>_6 inches deep
❑B ❑B Majority of streamside area with depressions able to pond water 3 to 6 inches deep
❑C ❑C Majority of streamside area with depressions able to pond water<3 inches deep
15. Wetland Presence—streamside area metric(skip for Tidal Marsh Streams)
Consider for the Left Bank(LB)and the Right Bank(RB). Do not consider wetlands outside of the streamside area or within the normal
wetted perimeter of assessment reach.
LB RB
❑Y ❑Y Are wetlands present in the streamside area?
®N ®N
16. Baseflow Contributors—assessment reach metric(skip for Size 4 streams and Tidal Marsh Streams)
Check all contributors within the assessment reach or within view of and draining to the assessment reach.
®A Streams and/or springs(jurisdictional discharges)
❑B Ponds(include wet detention basins; do not include sediment basins or dry detention basins)
❑C Obstruction passing flow during low-flow periods within the assessment area(beaver dam, leaky dam, bottom-release dam,weir)
®D Evidence of bank seepage or sweating(iron in water indicates seepage)
®E Stream bed or bank soil reduced(dig through deposited sediment if present)
❑F None of the above
17. Baseflow Detractors—assessment area metric(skip for Tidal Marsh Streams)
Check all that apply.
❑A Evidence of substantial water withdrawals from the assessment reach (includes areas excavated for pump installation)
❑B Obstruction not passing flow during low-flow periods affecting the assessment reach (ex:watertight dam,sediment deposit)
❑C Urban stream(>_24%impervious surface for watershed)
®D Evidence that the streamside area has been modified resulting in accelerated drainage into the assessment reach
❑E Assessment reach relocated to valley edge
❑F None of the above
18. Shading—assessment reach metric(skip for Tidal Marsh Streams)
Consider aspect. Consider"leaf-on"condition.
❑A Stream shading is appropriate for stream category(may include gaps associated with natural processes)
®B Degraded(example: scattered trees)
❑C Stream shading is gone or largely absent

19. Buffer Width—streamside area metric(skip for Tidal Marsh Streams)
Consider"vegetated buffer" and"wooded buffer"separately for left bank(LB)and right bank(RB)starting at the top of bank out
to the first break.
Vegetated Wooded
LB RB LB RB
®A ®A ❑A ❑A >_ 100 feet wide or extends to the edge of the watershed
❑B ❑B ❑B ❑B From 50 to< 100 feet wide
❑C ❑C ❑C ❑C From 30 to<50 feet wide
❑D ❑D ❑D ®D From 10 to<30 feet wide
❑E ❑E EE ❑E < 10 feet wide or no trees
20. Buffer Structure—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Vegetated" Buffer Width).
LB RB
❑A ❑A Mature forest
❑B ®B Non-mature woody vegetation or modified vegetation structure
®C ❑C Herbaceous vegetation with or without a strip of trees< 10 feet wide
❑D ❑D Maintained shrubs
❑E ❑E Little or no vegetation
21. Buffer Stressors—streamside area metric(skip for Tidal Marsh Streams)
Check all appropriate boxes for left bank(LB)and right bank(RB). Indicate if listed stressor abuts stream(Abuts), does not abut but is
within 30 feet of stream(<30 feet), or is between 30 to 50 feet of stream(30-50 feet).
If none of the following stressors occurs on either bank,check here and skip to Metric 22:
Abuts <30 feet 30-50 feet
LB RB LB RB LB RB
❑A ❑A ❑A ❑A ❑A ❑A Row crops
❑B ❑B ❑B ❑B ❑B ❑B Maintained turf
❑C ❑C ❑C ❑C ❑C ❑C Pasture(no livestock)/commercial horticulture
❑D ❑D ❑D ❑D ❑D ❑D Pasture(active livestock use)
22. Stem Density—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Wooded" Buffer Width).
LB RB
❑A ❑A Medium to high stem density
❑B ®B Low stem density
®C ❑C No wooded riparian buffer or predominantly herbaceous species or bare ground
23. Continuity of Vegetated Buffer—streamside area metric(skip for Tidal Marsh Streams)
Consider whether vegetated buffer is continuous along stream(parallel). Breaks are areas lacking vegetation > 10 feet wide.
LB RB
®A ®A The total length of buffer breaks is<25 percent.
❑B ❑B The total length of buffer breaks is between 25 and 50 percent.
❑C ❑C The total length of buffer breaks is>50 percent.
24. Vegetative Composition—streamside area metric(skip for Tidal Marsh Streams)
Evaluate the dominant vegetation within 100 feet of each bank or to the edge of the watershed (whichever comes first)as it contributes to
assessment reach habitat.
LB RB
❑A ❑A Vegetation is close to undisturbed in species present and their proportions. Lower strata composed of native species,
with non-native invasive species absent or sparse.
❑B ❑B Vegetation indicates disturbance in terms of species diversity or proportions, but is still largely composed of native
species. This may include communities of weedy native species that develop after clear-cutting or clearing or
communities with non-native invasive species present, but not dominant, over a large portion of the expected strata or
communities missing understory but retaining canopy trees.
®C ®C Vegetation is severely disturbed in terms of species diversity or proportions. Mature canopy is absent or communities
with non-native invasive species dominant over a large portion of expected strata or communities composed of planted
stands of non-characteristic species or communities inappropriately composed of a single species or no vegetation.
25. Conductivity—assessment reach metric(skip for all Coastal Plain streams)
25a. ❑Yes No Was conductivity measurement recorded?
If No,select one of the following reasons. No Water ❑Other:
25b. Check the box corresponding to the conductivity measurement(units of microsiemens per centimeter).
❑A <46 ❑B 46 to<67 ❑C 67 to<79 ❑D 79 to<230 ❑E >_230
Notes/Sketch:

Draft NC SAM Stream Rating Sheet
Accompanies User Manual Version 2.1
Stream Site Name Oak Hill Dairy Date of Assessment 12-19-19
Stream Category Pal Assessor Name/Organization IE (Wildlands Engineering)
Notes of Field Assessment Form(Y/N) NO
Presence of regulatory considerations (Y/N) NO
Additional stream information/supplementary measurements included (Y/N) NO
NC SAM feature type(perennial, intermittent, Tidal Marsh Stream) Intermittent
USACE/ NCDWR
Function Class Rating Summary All Streams Intermittent
(1) Hydrology HIGH HIGH
(2) Baseflow MEDIUM MEDIUM
(2) Flood Flow HIGH HIGH
(3)Streamside Area Attenuation HIGH HIGH
(4) Floodplain Access HIGH HIGH
(4)Wooded Riparian Buffer LOW LOW
(4) Microtopography HIGH HIGH
(3)Stream Stability HIGH HIGH
(4) Channel Stability HIGH HIGH
(4) Sediment Transport LOW LOW
(4) Stream Geomorphology HIGH HIGH
(2)Stream/Intertidal Zone Interaction NA NA
(2) Longitudinal Tidal Flow NA NA
(2)Tidal Marsh Stream Stability NA NA
(3)Tidal Marsh Channel Stability NA NA
(3)Tidal Marsh Stream Geomorphology NA NA
(1)Water Quality MEDIUM MEDIUM
(2) Baseflow MEDIUM MEDIUM
(2)Streamside Area Vegetation HIGH HIGH
(3) Upland Pollutant Filtration HIGH HIGH
(3)Thermoregulation MEDIUM MEDIUM
(2) Indicators of Stressors NO NO
(2)Aquatic Life Tolerance MEDIUM NA
(2) Intertidal Zone Filtration NA NA
(1) Habitat LOW LOW
(2) In-stream Habitat LOW MEDIUM
(3) Baseflow MEDIUM MEDIUM
(3)Substrate LOW LOW
(3)Stream Stability HIGH HIGH
(3) In-stream Habitat LOW HIGH
(2)Stream-side Habitat LOW LOW
(3)Stream-side Habitat LOW LOW
(3)Thermoregulation MEDIUM MEDIUM
(2)Tidal Marsh In-stream Habitat NA NA
(3) Flow Restriction NA NA
(3)Tidal Marsh Stream Stability NA NA
(4)Tidal Marsh Channel Stability NA NA
(4)Tidal Marsh Stream Geomorphology NA NA
(3)Tidal Marsh In-stream Habitat NA NA
(2) Intertidal Zone NA NA
Overall MEDIUM MEDIUM

NC SAM FIELD ASSESSMENT RESULTS
Accompanies User Manual Version 2.1
USACE AID#: NCDWR#:
INSTRUCTIONS: Attach a sketch of the assessment area and photographs. Attach a copy of the USGS 7.5-minute topographic quadrangle,
and circle the location of the stream reach under evaluation. If multiple stream reaches will be evaluated on the same property, identify and
number all reaches on the attached map, and include a separate form for each reach. See the NC SAM User Manual for detailed descriptions
and explanations of requested information. Record in the "Notes/Sketch"section if supplementary measurements were performed. See the
NC SAM User Manual for examples of additional measurements that may be relevant.
NOTE EVIDENCE OF STRESSORS AFFECTING THE ASSESSMENT AREA(do not need to be within the assessment area).
PROJECT/SITE INFORMATION:
1. Project name(if any): Oak Hill Dairy 2. Date of evaluation: 12-19-19
3.Applicant/owner name: NC DMS 4.Assessor name/organization: IE(Wildlands Engineering)
5. County: Gaston 6. Nearest named water body
7. River basin: Catawba on USGS 7.5-minute quad: Indian Creek
8. Site coordinates(decimal degrees, at lower end of assessment reach): 35.403203,-81.356171
STREAM INFORMATION: (depth and width can be approximations)
9. Site number(show on attached map): UT1 B(Perennial) 10. Length of assessment reach evaluated(feet): 100
11. Channel depth from bed(in riffle, if present)to top of bank(feet): 1 -3 Unable to assess channel depth.
12. Channel width at top of bank(feet): 2-3 13. Is assessment reach a swamp steam? ❑Yes No
14. Feature type: ®Perennial flow ❑Intermittent flow Tidal Marsh Stream
STREAM CATEGORY INFORMATION:
15. NC SAM Zone: ❑ Mountains(M) ® Piedmont(P) ❑ Inner Coastal Plain (I) ❑ Outer Coastal Plain (0)
16. Estimated geomorphic EAR ❑B
valley shape(skip for
Tidal Marsh Stream): (more sinuous stream,flatter valley slope) (less sinuous stream,steeper valley slope)
17.Watershed size: (skip ®Size 1 (<0.1 mi2) Size 2(0.1 to<0.5 mi2) Size 3(0.5 to<5 mi2) Size 4(>_5 mil)
for Tidal Marsh Stream)
ADDITIONAL INFORMATION:
18.Were regulatory considerations evaluated? EYes No If Yes,check all that apply to the assessment area.
▪Section 10 water Classified Trout Waters Water Supply Watershed (01 011 ❑III ❑IV ❑V)
▪Essential Fish Habitat Primary Nursery Area ❑ High Quality Waters/Outstanding Resource Waters
▪Publicly owned property ❑NCDWR Riparian buffer rule in effect Nutrient Sensitive Waters
❑Anadromous fish 0303(d)List ❑CAMA Area of Environmental Concern (AEC)
▪Documented presence of a federal and/or state listed protected species within the assessment area.
List species:
▪Designated Critical Habitat(list species)
19.Are additional stream information/supplementary measurements included in"Notes/Sketch"section or attached? ❑Yes No
1. Channel Water-assessment reach metric(skip for Size 1 streams and Tidal Marsh Streams)
®A Water throughout assessment reach.
❑B No flow,water in pools only.
❑C No water in assessment reach.
2. Evidence of Flow Restriction-assessment reach metric
❑A At least 10% of assessment reach in-stream habitat or riffle-pool sequence is severely affected by a flow restriction or fill to the
point of obstructing flow or a channel choked with aquatic macrophytes or ponded water or impoundment on flood or ebb within
the assessment reach (examples: undersized or perched culverts,causeways that constrict the channel,tidal gates, debris jams,
beaver dams).
®B NotA
3. Feature Pattern-assessment reach metric
❑A A majority of the assessment reach has altered pattern (examples:straightening, modification above or below culvert).
®B NotA
4. Feature Longitudinal Profile-assessment reach metric
❑A Majority of assessment reach has a substantially altered stream profile(examples: channel down-cutting, existing damming, over
widening, active aggradation, dredging, and excavation where appropriate channel profile has not reformed from any of these
disturbances).
®B NotA
5. Signs of Active Instability-assessment reach metric
Consider only current instability, not past events from which the stream has currently recovered. Examples of instability include
active bank failure, active channel down-cutting(head-cut), active widening, and artificial hardening(such as concrete, gabion, rip-rap).
®A < 10%of channel unstable
❑B 10 to 25%of channel unstable
❑C >25%of channel unstable

6. Streamside Area Interaction—streamside area metric
Consider for the Left Bank(LB)and the Right Bank(RB).
LB RB
®A ®A Little or no evidence of conditions that adversely affect reference interaction
❑B ❑B Moderate evidence of conditions (examples: berms, levees, down-cutting, aggradation, dredging)that adversely affect
reference interaction(examples: limited streamside area access, disruption of flood flows through streamside area,leaky
or intermittent bulkheads,causeways with floodplain constriction, minor ditching[including mosquito ditching])
❑C ❑C Extensive evidence of conditions that adversely affect reference interaction (little to no floodplain/intertidal zone access
[examples: causeways with floodplain and channel constriction,bulkheads,retaining walls,fill,stream incision, disruption
of flood flows through streamside area]or too much floodplain/intertidal zone access[examples:impoundments,intensive
mosquito ditching]) or floodplain/intertidal zone unnaturally absent or assessment reach is a man-made feature on an
interstream divide
7. Water Quality Stressors—assessment reach/intertidal zone metric
Check all that apply.
❑A Discolored water in stream or intertidal zone(milky white, blue, unnatural water discoloration, oil sheen,stream foam)
❑B Excessive sedimentation (burying of stream features or intertidal zone)
❑C Noticeable evidence of pollutant discharges entering the assessment reach and causing a water quality problem
❑D Odor(not including natural sulfide odors)
❑E Current published or collected data indicating degraded water quality in the assessment reach. Cite source in "Notes/Sketch"
section.
❑F Livestock with access to stream or intertidal zone
❑G Excessive algae in stream or intertidal zone
❑H Degraded marsh vegetation in the intertidal zone(removal, burning, regular mowing, destruction, etc)
❑1 Other: (explain in"Notes/Sketch"section)
• Little to no stressors
8. Recent Weather—watershed metric(skip for Tidal Marsh Streams)
For Size 1 or 2 streams, D1 drought or higher is considered a drought;for Size 3 or 4 streams, D2 drought or higher is considered a drought.
❑A Drought conditions and no rainfall or rainfall not exceeding 1 inch within the last 48 hours
❑B Drought conditions and rainfall exceeding 1 inch within the last 48 hours
®C No drought conditions
9. Large or Dangerous Stream—assessment reach metric
❑Yes ®No Is stream is too large or dangerous to assess? If Yes,skip to Metric 13(Streamside Area Ground Surface Condition).
10. Natural In-stream Habitat Types—assessment reach metric
10a. ❑Yes No Degraded in-stream habitat over majority of the assessment reach (examples of stressors include excessive
sedimentation, mining, excavation, in-stream hardening [for example, hp-rap], recent dredging, and snagging)
(evaluate for Size 4 Coastal Plain streams only,then skip to Metric 12)
10b. Check all that occur(occurs if>5%coverage of assessment reach)(skip for Size 4 Coastal Plain streams)
❑A Multiple aquatic macrophytes and aquatic mosses OF 5%oysters or other natural hard bottoms
(include liverworts, lichens, and algal mats) E ❑G Submerged aquatic vegetation
®B Multiple sticks and/or leaf packs and/or emergent o . ❑H Low-tide refugia(pools)
vegetation Y r 01 Sand bottom
❑C Multiple snags and logs(including lap trees) r ❑J 5%vertical bank along the marsh
®D 5% undercut banks and/or root mats and/or roots 0 ❑K Little or no habitat
in banks extend to the normal wetted perimeter
❑E Little or no habitat
*********************************REMAINING QUESTIONS ARE NOT APPLICABLE FOR TIDAL MARSH STREAMS****************************
11. Bedform and Substrate—assessment reach metric(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)
11 a. ❑Yes No Is assessment reach in a natural sand-bed stream?(skip for Coastal Plain streams)
11 b. Bedform evaluated. Check the appropriate box(es).
®A Riffle-run section (evaluate 11c)
❑B Pool-glide section (evaluate 11d)
❑C Natural bedform absent(skip to Metric 12,Aquatic Life)
11 c. In riffle sections,check all that occur below the normal wetted perimeter of the assessment reach—whether or not submerged. Check
at least one box in each row(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams). Not Present(NP)=absent, Rare
(R) = present but< 10%, Common (C) = > 10-40%,Abundant(A) _> 40-70%, Predominant(P) = >70%. Cumulative percentages
should not exceed 100%for each assessment reach.
NP R C A P
• ❑ ❑ ❑ ❑ Bedrock/saprolite
• ❑ ❑ ❑ ❑ Boulder(256—4096 mm)
• ❑ ❑ ❑ ❑ Cobble(64—256 mm)
❑ ® ❑ ❑ ❑ Gravel (2—64 mm)
❑ ❑ ® ❑ ❑ Sand(.062—2 mm)
❑ ❑ ® ❑ ❑ Silt/clay(<0.062 mm)
❑ ❑ ® ❑ ❑ Detritus
• ❑ ❑ ❑ ❑ Artificial (rip-rap,concrete, etc.)
11 d. ❑Yes No Are pools filled with sediment?(skip for Size 4 Coastal Plain streams and Tidal Marsh Streams)

12. Aquatic Life—assessment reach metric(skip for Tidal Marsh Streams)
12a. ®Yes No Was an in-stream aquatic life assessment performed as described in the User Manual?
If No,select one of the following reasons and skip to Metric 13. No Water ❑Other:
12b. ®Yes No Are aquatic organisms present in the assessment reach (look in riffles, pools, then snags)? If Yes, check all that
apply. If No,skip to Metric 13.
1 >1 Numbers over columns refer to"individuals"for Size 1 and 2 streams and"taxa"for Size 3 and 4 streams.
❑ Adult frogs
❑ Aquatic reptiles
❑ Aquatic macrophytes and aquatic mosses(include liverworts, lichens, and algal mats)
❑ Beetles
❑ ❑Caddisfly larvae(T)
❑ Asian clam(Corbicula)
❑ ®Crustacean (isopod/amphipod/crayfish/shrimp)
❑ Damselfly and dragonfly larvae
❑ ❑Dipterans
❑ ❑Mayfly larvae(E)
❑ ❑Megaloptera(alderfly,fishfly, dobsonfly larvae)
❑ ❑Midges/mosquito larvae
❑ Mosquito fish (Gambusia)or mud minnows(Umbra pygmaea)
❑ ❑Mussels/Clams(not Corbicula)
❑ Other fish
• ❑Salamanders/tadpoles
Snails
• ❑Stonefly larvae(P)
❑ ❑Tipulid larvae
❑ ❑Worms/leeches
13. Streamside Area Ground Surface Condition—streamside area metric(skip for Tidal Marsh Streams and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB). Consider storage capacity with regard to both overbank flow and upland runoff.
LB RB
®A ®A Little or no alteration to water storage capacity over a majority of the streamside area
❑B ❑B Moderate alteration to water storage capacity over a majority of the streamside area
❑C ❑C Severe alteration to water storage capacity over a majority of the streamside area(examples: ditches,fill,soil compaction,
livestock disturbance, buildings, man-made levees, drainage pipes)
14. Streamside Area Water Storage—streamside area metric(skip for Size 1 streams,Tidal Marsh Streams,and B valley types)
Consider for the Left Bank(LB)and the Right Bank(RB)of the streamside area.
LB RB
❑A ❑A Majority of streamside area with depressions able to pond water>_6 inches deep
❑B ❑B Majority of streamside area with depressions able to pond water 3 to 6 inches deep
❑C ❑C Majority of streamside area with depressions able to pond water<3 inches deep
15. Wetland Presence—streamside area metric(skip for Tidal Marsh Streams)
Consider for the Left Bank(LB)and the Right Bank(RB). Do not consider wetlands outside of the streamside area or within the normal
wetted perimeter of assessment reach.
LB RB
®Y ❑Y Are wetlands present in the streamside area?
❑N ®N
16. Baseflow Contributors—assessment reach metric(skip for Size 4 streams and Tidal Marsh Streams)
Check all contributors within the assessment reach or within view of and draining to the assessment reach.
®A Streams and/or springs(jurisdictional discharges)
❑B Ponds(include wet detention basins; do not include sediment basins or dry detention basins)
❑C Obstruction passing flow during low-flow periods within the assessment area(beaver dam, leaky dam, bottom-release dam,weir)
®D Evidence of bank seepage or sweating(iron in water indicates seepage)
®E Stream bed or bank soil reduced(dig through deposited sediment if present)
❑F None of the above
17. Baseflow Detractors—assessment area metric(skip for Tidal Marsh Streams)
Check all that apply.
❑A Evidence of substantial water withdrawals from the assessment reach (includes areas excavated for pump installation)
❑B Obstruction not passing flow during low-flow periods affecting the assessment reach (ex:watertight dam,sediment deposit)
❑C Urban stream(>_24%impervious surface for watershed)
®D Evidence that the streamside area has been modified resulting in accelerated drainage into the assessment reach
❑E Assessment reach relocated to valley edge
❑F None of the above
18. Shading—assessment reach metric(skip for Tidal Marsh Streams)
Consider aspect. Consider"leaf-on"condition.
❑A Stream shading is appropriate for stream category(may include gaps associated with natural processes)
®B Degraded(example: scattered trees)
❑C Stream shading is gone or largely absent

19. Buffer Width—streamside area metric(skip for Tidal Marsh Streams)
Consider"vegetated buffer" and"wooded buffer"separately for left bank(LB)and right bank(RB)starting at the top of bank out
to the first break.
Vegetated Wooded
LB RB LB RB
®A ®A ❑A ❑A >_ 100 feet wide or extends to the edge of the watershed
❑B ❑B ❑B ❑B From 50 to< 100 feet wide
❑C ❑C ❑C ❑C From 30 to<50 feet wide
❑D ❑D ❑D ❑D From 10 to<30 feet wide
❑E ❑E EE EE < 10 feet wide or no trees
20. Buffer Structure—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Vegetated" Buffer Width).
LB RB
❑A ❑A Mature forest
❑B ❑B Non-mature woody vegetation or modified vegetation structure
®C ®C Herbaceous vegetation with or without a strip of trees< 10 feet wide
❑D ❑D Maintained shrubs
❑E ❑E Little or no vegetation
21. Buffer Stressors—streamside area metric(skip for Tidal Marsh Streams)
Check all appropriate boxes for left bank(LB)and right bank(RB). Indicate if listed stressor abuts stream(Abuts), does not abut but is
within 30 feet of stream(<30 feet), or is between 30 to 50 feet of stream(30-50 feet).
If none of the following stressors occurs on either bank,check here and skip to Metric 22:
Abuts <30 feet 30-50 feet
LB RB LB RB LB RB
❑A ❑A ❑A ❑A ❑A ❑A Row crops
❑B ❑B ❑B ❑B ❑B ❑B Maintained turf
❑C ❑C ❑C ❑C ❑C ❑C Pasture(no livestock)/commercial horticulture
❑D ❑D ❑D ❑D ❑D ❑D Pasture(active livestock use)
22. Stem Density—streamside area metric(skip for Tidal Marsh Streams)
Consider for left bank(LB)and right bank(RB)for Metric 19("Wooded" Buffer Width).
LB RB
❑A ❑A Medium to high stem density
❑B ❑B Low stem density
®C ®C No wooded riparian buffer or predominantly herbaceous species or bare ground
23. Continuity of Vegetated Buffer—streamside area metric(skip for Tidal Marsh Streams)
Consider whether vegetated buffer is continuous along stream(parallel). Breaks are areas lacking vegetation > 10 feet wide.
LB RB
®A ®A The total length of buffer breaks is<25 percent.
❑B ❑B The total length of buffer breaks is between 25 and 50 percent.
❑C ❑C The total length of buffer breaks is>50 percent.
24. Vegetative Composition—streamside area metric(skip for Tidal Marsh Streams)
Evaluate the dominant vegetation within 100 feet of each bank or to the edge of the watershed (whichever comes first)as it contributes to
assessment reach habitat.
LB RB
❑A ❑A Vegetation is close to undisturbed in species present and their proportions. Lower strata composed of native species,
with non-native invasive species absent or sparse.
❑B ❑B Vegetation indicates disturbance in terms of species diversity or proportions, but is still largely composed of native
species. This may include communities of weedy native species that develop after clear-cutting or clearing or
communities with non-native invasive species present, but not dominant, over a large portion of the expected strata or
communities missing understory but retaining canopy trees.
®C ®C Vegetation is severely disturbed in terms of species diversity or proportions. Mature canopy is absent or communities
with non-native invasive species dominant over a large portion of expected strata or communities composed of planted
stands of non-characteristic species or communities inappropriately composed of a single species or no vegetation.
25. Conductivity—assessment reach metric(skip for all Coastal Plain streams)
25a. ❑Yes No Was conductivity measurement recorded?
If No,select one of the following reasons. No Water ❑Other:
25b. Check the box corresponding to the conductivity measurement(units of microsiemens per centimeter).
❑A <46 ❑B 46 to<67 ❑C 67 to<79 ❑D 79 to<230 ❑E >_230
Notes/Sketch:

Draft NC SAM Stream Rating Sheet
Accompanies User Manual Version 2.1
Stream Site Name Oak Hill Dairy Date of Assessment 12-19-19
Stream Category Pal Assessor Name/Organization IE (Wildlands Engineering)
Notes of Field Assessment Form(Y/N) NO
Presence of regulatory considerations (Y/N) NO
Additional stream information/supplementary measurements included (Y/N) NO
NC SAM feature type(perennial, intermittent, Tidal Marsh Stream) Perennial
USACE/ NCDWR
Function Class Rating Summary All Streams Intermittent
(1) Hydrology HIGH
(2) Baseflow MEDIUM
(2) Flood Flow HIGH
(3)Streamside Area Attenuation HIGH
(4) Floodplain Access HIGH
(4)Wooded Riparian Buffer LOW
(4) Microtopography HIGH
(3)Stream Stability HIGH
(4) Channel Stability HIGH
(4) Sediment Transport LOW
(4) Stream Geomorphology HIGH
(2)Stream/Intertidal Zone Interaction NA
(2) Longitudinal Tidal Flow NA
(2)Tidal Marsh Stream Stability NA
(3)Tidal Marsh Channel Stability NA
(3)Tidal Marsh Stream Geomorphology NA
(1)Water Quality MEDIUM
(2) Baseflow MEDIUM
(2)Streamside Area Vegetation HIGH
(3) Upland Pollutant Filtration HIGH
(3)Thermoregulation MEDIUM
(2) Indicators of Stressors NO
(2)Aquatic Life Tolerance MEDIUM
(2) Intertidal Zone Filtration NA
(1) Habitat LOW
(2) In-stream Habitat LOW
(3) Baseflow MEDIUM
(3)Substrate LOW
(3)Stream Stability HIGH
(3) In-stream Habitat LOW
(2)Stream-side Habitat LOW
(3)Stream-side Habitat LOW
(3)Thermoregulation MEDIUM
(2)Tidal Marsh In-stream Habitat NA
(3) Flow Restriction NA
(3)Tidal Marsh Stream Stability NA
(4)Tidal Marsh Channel Stability NA
(4)Tidal Marsh Stream Geomorphology NA
(3)Tidal Marsh In-stream Habitat NA
(2) Intertidal Zone NA
Overall MEDIUM

NC WAM WETLAND ASSESSMENT FORM
Accompanies User Manual Version 5
USACE AID#: NCDWR#:
Project Name Oak Hill Dairy Mitigation Site Date of Evaluation 5/15/2020
Applicant/Owner Name Wildlands Engineering, Inc. Wetland Site Name Wetland A
Wetland Type Bottomland Hardwood Forest Assessor Name/Organization Jordan Hessler
Level III Ecoregion Piedmont Nearest Named Water Body Indian Creek
River Basin Catawba USGS 8-Digit Catalogue Unit 03050102
County Gaston NCDWR Region Mooresville
Yes • No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.404531/-81.351076
Evidence of stressors affecting the assessment area(may not be within the assessment area)
Please circle and/or make note on last page if evidence of stressors is apparent. Consider departure from reference,if
appropriate,in recent past(for instance,approximately within 10 years). Noteworthy stressors include,but are not limited
to the following.
• Hydrological modifications(examples: ditches,dams,beaver dams,dikes,berms,ponds,etc.)
• Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby
septic tanks,underground storage tanks(USTs),hog lagoons,etc.)
• Signs of vegetation stress(examples: vegetation mortality,insect damage,disease,storm damage,salt intrusion,etc.)
• Habitat/plant community alteration(examples: mowing,clear-cutting,exotics,etc.)
Is the assessment area intensively managed? • Yes No
Regulatory Considerations -Were regulatory considerations evaluated? • Yes No If Yes,check all that apply to the assessment area.
E Anadromous fish
• Federally protected species or State endangered or threatened species
• NCDWR riparian buffer rule in effect
E Abuts a Primary Nursery Area(PNA)
E Publicly owned property
• N.C. Division of Coastal Management Area of Environmental Concern(AEC)(including buffer)
• Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HOW,ORW,or Trout
• Designated NCNHP reference community
• Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream
What type of natural stream is associated with the wetland,if any?(check all that apply)
Blackwater
Brownwater
Tidal(if tidal,check one of the following boxes) Lunar Wind ; Both
Is the assessment area on a coastal island? ("Yes • No
Is the assessment area's surface water storage capacity or duration substantially altered by beaver? ("Yes t'No
Does the assessment area experience overbank flooding during normal rainfall conditions? ':Yes +'"No
1. Ground Surface ConditionNegetation Condition—assessment area condition metric
Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure
(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,
then rate the assessment area based on evidence of an effect.
GS VS
A A Not severely altered
• B • B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive
sedimentation,fire-plow lanes,skidder tracks,bedding,fill,soil compaction,obvious pollutants)(vegetation structure
alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,
less diversity[if appropriate],hydrologic alteration)
2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric
Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and
duration (Sub). Consider both increase and decrease in hydrology. A ditch<_1 foot deep is considered to affect surface water only,
while a ditch >1 foot deep is expected to affect both surface and sub-surface water.Consider tidal flooding regime,if applicable.
Surf Sub
t` A A Water storage capacity and duration are not altered.
C B • B Water storage capacity or duration are altered,but not substantially(typically,not sufficient to change vegetation).
(:C C Water storage capacity or duration are substantially altered(typically,alteration sufficient to result in vegetation
change)(examples:draining,flooding,soil compaction,filling,excessive sedimentation,underground utility lines).
3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes)
Check a box in each column for each group below. Select the appropriate storage for the assessment area(AA)and the wetland
type(WT).
AA WT
3a. A A Majority of wetland with depressions able to pond water>1 foot deep
(:B t: B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep
C C fi` C Majority of wetland with depressions able to pond water 3 to 6 inches deep
C D t` D Depressions able to pond water<3 inches deep
3b. ("A Evidence that maximum depth of inundation is greater than 2 feet
C B Evidence that maximum depth of inundation is between 1 and 2 feet
(:C Evidence that maximum depth of inundation is less than 1 foot

4. Soil Texture/Structure-assessment area condition metric(skip for all marshes)
Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape
feature. Make soil observations within the 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for
regional indicators.
4a. ('A Sandy soil
B Loamy or clayey soils exhibiting redoximorphic features(concentrations,depletions,or rhizospheres)
C'C Loamy or clayey soils not exhibiting redoximorphic features
(`D Loamy or clayey gleyed soil
C E Histosol or histic epipedon
4b. a A Soil ribbon<1 inch
C B Soil ribbon>_1 inch
4c. a A No peat or muck presence
B A peat or muck presence
5. Discharge into Wetland—opportunity metric
Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub).
Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc.
Surf Sub
A • A Little or no evidence of pollutants or discharges entering the assessment area
B B Noticeable evidence of pollutants or discharges entering the wetland and stressing,but not overwhelming the
treatment capacity of the assessment area
. C C Noticeable evidence of pollutants or discharges(pathogen,particulate,or soluble)entering the assessment area and
potentially overwhelming the treatment capacity of the wetland(water discoloration,dead vegetation,excessive
sedimentation,odor)
6. Land Use—opportunity metric(skip for non-riparian wetlands)
Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources
draining to assessment area within entire upstream watershed(WS),within 5 miles and within the watershed draining to the
assessment area(5M),and within 2 miles and within the watershed draining to the assessment area(2M). Effective riparian buffers
are considered to be 50 feet wide in the Coastal Plain and Piedmont ecoregions and 30 feet wide in the Blue Ridge Mountains ecoregion.
WS 5M 2M
A F A P A >_10%impervious surfaces
• B P B F B Confined animal operations(or other local,concentrated source of pollutants)
• C 1 C C >_20%coverage of pasture
D D D >_20%coverage of agricultural land(regularly plowed land)
• E E E >_20%coverage of maintained grass/herb
F F F >_20%coverage of clear-cut land
G G G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in
the watershed or hydrologic alterations that prevent dainage and/or overbank flow from affectio the
assessment area.
7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands)
7a. Is assessment area within 50 feet of a tributary or other open water?
. Yes No If Yes,continue to 7b. If No,skip to Metric 8.
7b. How much of the first 50 feet from the bank is weltand? (Wetland buffer need only be present on one side of the water body. Make
buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.)
A >_50feet
B From30to<50feet
C From15to<30feet
D From 5 to<15 feet
E <5 feet or buffer bypassed by ditches
7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width.
<_15-feet wide . >15-feet wide Other open water(no tributary present)
7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water?
Yes • No
7e. Is tributary or other open water sheltered or exposed?
. Sheltered—adjacent open water with width<2500 feet and no regular boat traffic.
Exposed—adjacent open water with width>_2500 feet or regular boat traffic.
8. Wetland Width at the Assessment Area-wetland type/wetland complex condition metric(evaluate WT for all marshes
and Estuarine Woody Wetland only;evaluate WC for Bottomland Hardwood Forest,Headwater Forest,and Riverine Swamp
Forest only)
Check a box in each column. Select the average width for the wetland type at the assessment area(WT) and the wetland complex at the
assessment area(WC). See User Manual for WT and WC boundaries.
WT WC
A � A >_100 feet
("B ( B From 80 to< 100 feet
C C : C From 50 to<80 feet
C D ` D From40to<50feet
rE rE From30to<40feet
( F (" F From 15 to<30 feet
("G CG From 5 to<15 feet
C H CH <5feet

9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands)
Answer for assessment area dominant landform.
C A Evidence of short-duration inundation(<7 consecutive days)
C B Evidence of saturation,without evidence of inundation
(:C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more)
10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes)
Consider recent deposition only(no plant growth since deposition).
C A Sediment deposition is not excessive,but at approximately natural levels.
B Sediment deposition is excessive, but not overwhelming the wetland.
( C Sediment deposition is excessive and is overwhelming the wetland.
11. Wetland Size—wetland type/wetland complex condition metric
Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area:the
size of the wetland type(WT),the size of the wetland complex(WC),and the size of the forested wetland(FW)(if applicable,see User
Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column.
WT WC FW(if applicable)
-A ('A ("A >_500 acres
(`B (' B r:B From 100 to<500 acres
C (' C ("C From 50 to< 100 acres
D ( D (" D From 25 to<50 acres
CE (- E CE From 10 to<25 acres
r-F ( F CF From 5 to<10 acres
(:G G ( G From 1 to<5 acres
r-H ( H CH From 0.5 to< 1 acre
(`I (' I (''I From 0.1 to<0.5 acre
From 0.01 to<0.1 acre
r-K c K (:K <0.01 acre or assessment area is clear-cut
12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only)
C A Pocosin is the full extent(>_90%)of its natural landscape size.
C B Pocosin is<90%of the full extent of its natural landscape size.
13. Connectivity to Other Natural Areas—landscape condition metric
13a. Check appropriate box(es)(a box may be checked in each column). Involves a GIS effort with field adjustment. This
evaluates whether the wetland is well connected(Well)and/or loosely connected(Loosely)to the landscape patch,the contiguous
metric naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads,regularly maintained utility
line corridors the width of a four-lane road or wider,urban landscapes,fields(pasture open and agriculture),or water>300 feet wide.
Well Loosely
cA cA >_500acres
("`B ("B From 100 to<500 acres
CC ('`C From 50 to< 100 acres
CD CD From 10to<50acres
(" E (:E <10 acres
(i F ("F Wetland type has a poor or no connection to other natural habitats
13b. Evaluate for marshes only.
r Yes r No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands.
14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland)
May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include
non-forested areas >_40 feet wide such as fields,development,roads,regularly maintained utility line corridors and clear-cuts. Consider
the eight main points of the compass. Artificial edge occurs within 150 feet in how many directiions? If the assessment area is clear-cut,
select option"C."
C A 0
C B 1 to 4
(:C 5 to 8
15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat)
C A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate
species,with exotic plants absent or sparse within the assessment area.
C B Vegetation is different from reference condition in species diversity or proportions,but still largely composed of native species
characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or
clearing. It also includes communities with exotics present,but not dominant,over a large portion of the expected strata.
(:C Vegetation severely altered from reference in composition,or expected species are unnaturally absent(planted stands of non-
characteristic species or at least one stratum inappropriately composed of a single species),or exotic species are dominant in
at least one stratum.
16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only)
( A Vegetation diversity is high and is composed primarily of native species(<10%cover of exotics).
C B Vegetation diversity is low or has> 10%to 50%cover of exotics.
( C Vegetation is dominated by exotic species(>50%cover of exotics).

17. Vegetative Structure—assessment area/wetland type condition metric
17a. Is vegetation present?
. Yes No If Yes,continue to 17b. If No,skip to Metric 18.
17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands.
('A >_25%coverage of vegetation
f"B <25%coverage of vegetation
17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure
in airspace above the assessment area(AA)and the wetland type(WT)separately.
AA WT
• c A (''A Canopy closed,or nearly closed,with natural gaps associated with natural processes
m (`B ('' B Canopy present,but opened more than natural gaps
U C (i C Canopy sparse or absent
o (' A (''A Dense mid-story/sapling layer
�? ( B (" B Moderate density mid-story/sapling layer
• C (:C Mid-story/sapling layer sparse or absent
A C A Dense shrub layer
• ( B ('' B Moderate density shrub layer
• (+C (:C Shrub layer sparse or absent
( A C A Dense herb layer
w• (:B : B Moderate density herb layer
_ ( C C Herb layer sparse or absent
18. Snags—wetland type condition metric(skip for all marshes)
A Large snags(more than one)are visible(>12-inches DBH,or large relative to species present and landscape stability).
. B Not A
19. Diameter Class Distribution—wetland type condition metric(skip for all marshes)
("A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH);many large trees(> 12 inches DBH)are
present.
( B Majority of canopy trees have stems between 6 and 12 inches DBH,few are> 12-inch DBH.
(:C Majority of canopy trees are<6 inches DBH or no trees.
20. Large Woody Debris—wetland type condition metric(skip for all marshes)
Include both natural debris and man-placed natural debris.
('A Large logs(more than one)are visible(> 12 inches in diameter,or large relative to species present and landscape stability).
(: B Not A
21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater
Marsh only)
Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned
areas indicate vegetated areas,while solid white areas indicate open water.
A B C D
22. Hydrologic Connectivity—assessment area condition metric (evaluate for riparian wetlands and Salt/Brackish Marsh only)
Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,
diversion, man-made berms, beaver dams,and stream incision. Documentation required if evaluated as B, C,or D.
A Overbank and overland flow are not severely altered in the assessment area.
C-B Overbank flow is severely altered in the assessment area.
(''C Overland flow is severely altered in the assessment area.
(: D Both overbank and overland flow are severely altered in the assessment area.
Notes
Wetland A encompases a toe ditch and a plowed agricultural field that is planted in corn.

NC WAM Wetland Rating Sheet
Accompanies User Manual Version 5.0
Wetland Site Name Wetland A Date 5/15/2020
Wetland Type Bottomland Hardwood Forest Assessor Name/Organization Jordan Hessler
Notes on Field Assessment Form(Y/N) YES
Presence of regulatory considerations(Y/N) YES
Wetland is intensively managed(Y/N) YES
Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES
Assessment area is substantially altered by beaver(Y/N) NO
Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) YES
Assessment area is on a coastal island (Y/N) NO
Sub-function Rating Summary
Function Sub-function Metrics Rating
Hydrology Surface Storage and Retention Condition LOW
Sub-Surface Storage and Retention Condition MEDIUM
Water Quality Pathogen Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Particulate Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Soluble Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Physical Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Pollution Change Condition NA
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Habitat Physical Structure Condition LOW
Landscape Patch Structure Condition LOW
Vegetation Composition Condition LOW
Function Rating Summary
Function Metrics/Notes Rating
Hydrology Condition LOW
Water Quality Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Habitat Condition LOW
Overall Wetland Rating LOW

NC WAM WETLAND ASSESSMENT FORM
Accompanies User Manual Version 5
USACE AID#: NCDWR#:
Project Name Oak Hill Dairy Mitigation Site Date of Evaluation 5/15/2020
Applicant/Owner Name Wildlands Engineering, Inc.(WEI) Wetland Site Name Wetland G,H,and I
Wetland Type Bottomland Hardwood Forest Assessor Name/Organization Jordan Hessler/WEI
Level III Ecoregion Piedmont Nearest Named Water Body Indian Creek
River Basin Catawba USGS 8-Digit Catalogue Unit 03050102
County Gaston NCDWR Region Mooresville
Yes • No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.405663/-81.350422
Evidence of stressors affecting the assessment area(may not be within the assessment area)
Please circle and/or make note on last page if evidence of stressors is apparent. Consider departure from reference,if
appropriate,in recent past(for instance,approximately within 10 years). Noteworthy stressors include,but are not limited
to the following.
• Hydrological modifications(examples: ditches,dams,beaver dams,dikes,berms,ponds,etc.)
• Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby
septic tanks,underground storage tanks(USTs),hog lagoons,etc.)
• Signs of vegetation stress(examples: vegetation mortality,insect damage,disease,storm damage,salt intrusion,etc.)
• Habitat/plant community alteration(examples: mowing,clear-cutting,exotics,etc.)
Is the assessment area intensively managed? • Yes No
Regulatory Considerations -Were regulatory considerations evaluated? • Yes No If Yes,check all that apply to the assessment area.
E Anadromous fish
• Federally protected species or State endangered or threatened species
• NCDWR riparian buffer rule in effect
E Abuts a Primary Nursery Area(PNA)
E Publicly owned property
• N.C. Division of Coastal Management Area of Environmental Concern(AEC)(including buffer)
• Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HOW,ORW,or Trout
• Designated NCNHP reference community
• Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream
What type of natural stream is associated with the wetland,if any?(check all that apply)
Blackwater
Brownwater
Tidal(if tidal,check one of the following boxes) Lunar Wind ; Both
Is the assessment area on a coastal island? ("Yes • No
Is the assessment area's surface water storage capacity or duration substantially altered by beaver? ("Yes t'No
Does the assessment area experience overbank flooding during normal rainfall conditions? ':Yes +'"No
1. Ground Surface ConditionNegetation Condition—assessment area condition metric
Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure
(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,
then rate the assessment area based on evidence of an effect.
GS VS
A A Not severely altered
• B • B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive
sedimentation,fire-plow lanes,skidder tracks,bedding,fill,soil compaction,obvious pollutants)(vegetation structure
alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,
less diversity[if appropriate],hydrologic alteration)
2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric
Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and
duration (Sub). Consider both increase and decrease in hydrology. A ditch<_1 foot deep is considered to affect surface water only,
while a ditch >1 foot deep is expected to affect both surface and sub-surface water.Consider tidal flooding regime,if applicable.
Surf Sub
t` A A Water storage capacity and duration are not altered.
C B • B Water storage capacity or duration are altered,but not substantially(typically,not sufficient to change vegetation).
(:C C Water storage capacity or duration are substantially altered(typically,alteration sufficient to result in vegetation
change)(examples:draining,flooding,soil compaction,filling,excessive sedimentation,underground utility lines).
3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes)
Check a box in each column for each group below. Select the appropriate storage for the assessment area(AA)and the wetland
type(WT).
AA WT
3a. A A Majority of wetland with depressions able to pond water>1 foot deep
('B i B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep
{:C 4 C Majority of wetland with depressions able to pond water 3 to 6 inches deep
(''D fi' D Depressions able to pond water<3 inches deep
3b. ("A Evidence that maximum depth of inundation is greater than 2 feet
("B Evidence that maximum depth of inundation is between 1 and 2 feet
(:C Evidence that maximum depth of inundation is less than 1 foot

4. Soil Texture/Structure-assessment area condition metric(skip for all marshes)
Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape
feature. Make soil observations within the 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for
regional indicators.
4a. ('A Sandy soil
B Loamy or clayey soils exhibiting redoximorphic features(concentrations,depletions,or rhizospheres)
C'C Loamy or clayey soils not exhibiting redoximorphic features
(`D Loamy or clayey gleyed soil
C E Histosol or histic epipedon
4b. a A Soil ribbon<1 inch
r B Soil ribbon>_1 inch
4c. a A No peat or muck presence
B A peat or muck presence
5. Discharge into Wetland—opportunity metric
Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub).
Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc.
Surf Sub
A • A Little or no evidence of pollutants or discharges entering the assessment area
B B Noticeable evidence of pollutants or discharges entering the wetland and stressing,but not overwhelming the
treatment capacity of the assessment area
. C C Noticeable evidence of pollutants or discharges(pathogen,particulate,or soluble)entering the assessment area and
potentially overwhelming the treatment capacity of the wetland(water discoloration,dead vegetation,excessive
sedimentation,odor)
6. Land Use—opportunity metric(skip for non-riparian wetlands)
Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources
draining to assessment area within entire upstream watershed(WS),within 5 miles and within the watershed draining to the
assessment area(5M),and within 2 miles and within the watershed draining to the assessment area(2M). Effective riparian buffers
are considered to be 50 feet wide in the Coastal Plain and Piedmont ecoregions and 30 feet wide in the Blue Ridge Mountains ecoregion.
WS 5M 2M
A F A P A >_10%impervious surfaces
• B P B F B Confined animal operations(or other local,concentrated source of pollutants)
• C 1 C C >_20%coverage of pasture
D D D >_20%coverage of agricultural land(regularly plowed land)
• E E E >_20%coverage of maintained grass/herb
F F F >_20%coverage of clear-cut land
G G G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in
the watershed or hydrologic alterations that prevent dainage and/or overbank flow from affectio the
assessment area.
7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands)
7a. Is assessment area within 50 feet of a tributary or other open water?
. Yes No If Yes,continue to 7b. If No,skip to Metric 8.
7b. How much of the first 50 feet from the bank is weltand? (Wetland buffer need only be present on one side of the water body. Make
buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.)
A >_50feet
B From30to<50feet
C From15to<30feet
t D From 5 to<15 feet
E <5 feet or buffer bypassed by ditches
7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width.
<_15-feet wide . >15-feet wide Other open water(no tributary present)
7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water?
Yes • No
7e. Is tributary or other open water sheltered or exposed?
. Sheltered—adjacent open water with width<2500 feet and no regular boat traffic.
Exposed—adjacent open water with width>_2500 feet or regular boat traffic.
8. Wetland Width at the Assessment Area-wetland type/wetland complex condition metric(evaluate WT for all marshes
and Estuarine Woody Wetland only;evaluate WC for Bottomland Hardwood Forest,Headwater Forest,and Riverine Swamp
Forest only)
Check a box in each column. Select the average width for the wetland type at the assessment area(WT) and the wetland complex at the
assessment area(WC). See User Manual for WT and WC boundaries.
WT WC
i A i`'A >_100 feet
("B (" B From 80 to< 100 feet
C C rC From50to<80feet
C D ("D From40to<50feet
r-E r-E From30to<40feet
rF is F From15to<30feet
( G i` G From 5 to<15 feet
C H CH <5feet

9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands)
Answer for assessment area dominant landform.
C A Evidence of short-duration inundation(<7 consecutive days)
C B Evidence of saturation,without evidence of inundation
(:C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more)
10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes)
Consider recent deposition only(no plant growth since deposition).
C A Sediment deposition is not excessive,but at approximately natural levels.
B Sediment deposition is excessive, but not overwhelming the wetland.
( C Sediment deposition is excessive and is overwhelming the wetland.
11. Wetland Size—wetland type/wetland complex condition metric
Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area:the
size of the wetland type(WT),the size of the wetland complex(WC),and the size of the forested wetland(FW)(if applicable,see User
Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column.
WT WC FW(if applicable)
-A CA ("A >_500 acres
(`B (' B r:B From 100 to<500 acres
C (' C ("C From 50 to< 100 acres
D ( D (" D From 25 to<50 acres
CE (- E CE From 10 to<25 acres
r-F ( F CF From 5 to<10 acres
G ( G (''G From 1 to<5 acres
r-H ( H CH From 0.5 to< 1 acre
(:I I (''I From 0.1 to<0.5 acre
From 0.01 to<0.1 acre
(:K <0.01 acre or assessment area is clear-cut
12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only)
C A Pocosin is the full extent(>_90%)of its natural landscape size.
C B Pocosin is<90%of the full extent of its natural landscape size.
13. Connectivity to Other Natural Areas—landscape condition metric
13a. Check appropriate box(es)(a box may be checked in each column). Involves a GIS effort with field adjustment. This
evaluates whether the wetland is well connected(Well)and/or loosely connected(Loosely)to the landscape patch,the contiguous
metric naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads,regularly maintained utility
line corridors the width of a four-lane road or wider,urban landscapes,fields(pasture open and agriculture),or water>300 feet wide.
Well Loosely
cA cA >_500acres
("`B ("B From 100 to<500 acres
CC ('`C From 50 to< 100 acres
CD CD From 10to<50acres
(" E (:E <10 acres
(i F ("F Wetland type has a poor or no connection to other natural habitats
13b. Evaluate for marshes only.
r Yes r No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands.
14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland)
May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include
non-forested areas >_40 feet wide such as fields,development,roads,regularly maintained utility line corridors and clear-cuts. Consider
the eight main points of the compass. Artificial edge occurs within 150 feet in how many directiions? If the assessment area is clear-cut,
select option"C."
C A 0
C B 1 to 4
(:C 5 to 8
15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat)
C A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate
species,with exotic plants absent or sparse within the assessment area.
C B Vegetation is different from reference condition in species diversity or proportions,but still largely composed of native species
characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or
clearing. It also includes communities with exotics present,but not dominant,over a large portion of the expected strata.
(:C Vegetation severely altered from reference in composition,or expected species are unnaturally absent(planted stands of non-
characteristic species or at least one stratum inappropriately composed of a single species),or exotic species are dominant in
at least one stratum.
16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only)
( A Vegetation diversity is high and is composed primarily of native species(<10%cover of exotics).
C B Vegetation diversity is low or has> 10%to 50%cover of exotics.
( C Vegetation is dominated by exotic species(>50%cover of exotics).

17. Vegetative Structure—assessment area/wetland type condition metric
17a. Is vegetation present?
. Yes No If Yes,continue to 17b. If No,skip to Metric 18.
17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands.
('A >_25%coverage of vegetation
f"B <25%coverage of vegetation
17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure
in airspace above the assessment area(AA)and the wetland type(WT)separately.
AA WT
• c A (''A Canopy closed,or nearly closed,with natural gaps associated with natural processes
m (`B ('' B Canopy present,but opened more than natural gaps
U C (i C Canopy sparse or absent
o (' A (''A Dense mid-story/sapling layer
�? ( B (" B Moderate density mid-story/sapling layer
• C (:C Mid-story/sapling layer sparse or absent
A C A Dense shrub layer
• ( B ('' B Moderate density shrub layer
• (:C (:C Shrub layer sparse or absent
( A C A Dense herb layer
w• c B (- B Moderate density herb layer
C :C Herb layer sparse or absent
18. Snags—wetland type condition metric(skip for all marshes)
A Large snags(more than one)are visible(>12-inches DBH,or large relative to species present and landscape stability).
. B Not A
19. Diameter Class Distribution—wetland type condition metric(skip for all marshes)
("A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH);many large trees(> 12 inches DBH)are
present.
( B Majority of canopy trees have stems between 6 and 12 inches DBH,few are> 12-inch DBH.
(:C Majority of canopy trees are<6 inches DBH or no trees.
20. Large Woody Debris—wetland type condition metric(skip for all marshes)
Include both natural debris and man-placed natural debris.
('A Large logs(more than one)are visible(> 12 inches in diameter,or large relative to species present and landscape stability).
(: B Not A
21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater
Marsh only)
Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned
areas indicate vegetated areas,while solid white areas indicate open water.
A B C D
22. Hydrologic Connectivity—assessment area condition metric (evaluate for riparian wetlands and Salt/Brackish Marsh only)
Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,
diversion, man-made berms, beaver dams,and stream incision. Documentation required if evaluated as B, C,or D.
A Overbank and overland flow are not severely altered in the assessment area.
C-B Overbank flow is severely altered in the assessment area.
(''C Overland flow is severely altered in the assessment area.
(: D Both overbank and overland flow are severely altered in the assessment area.
Notes
Wetlands G, H,and I are all within an agricultural field recently planted in corn. In addition,a ditch has been excavated and connects all three wetlands
to drain to Wetland A.

NC WAM Wetland Rating Sheet
Accompanies User Manual Version 5.0
Wetland Site Name Wetland G,H, and I Date 5/15/2020
Wetland Type Bottomland Hardwood Forest Assessor Name/Organization Jordan Hessler/WEI
Notes on Field Assessment Form(Y/N) YES
Presence of regulatory considerations(Y/N) YES
Wetland is intensively managed(Y/N) YES
Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES
Assessment area is substantially altered by beaver(Y/N) NO
Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) YES
Assessment area is on a coastal island (Y/N) NO
Sub-function Rating Summary
Function Sub-function Metrics Rating
Hydrology Surface Storage and Retention Condition LOW
Sub-Surface Storage and Retention Condition MEDIUM
Water Quality Pathogen Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Particulate Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Soluble Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Physical Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Pollution Change Condition NA
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Habitat Physical Structure Condition LOW
Landscape Patch Structure Condition LOW
Vegetation Composition Condition LOW
Function Rating Summary
Function Metrics/Notes Rating
Hydrology Condition LOW
Water Quality Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Habitat Condition LOW
Overall Wetland Rating LOW

NC WAM WETLAND ASSESSMENT FORM
Accompanies User Manual Version 5
USACE AID#: NCDWR#:
Project Name Oak Hill Dairy Mitigation Site Date of Evaluation 5/15/2020
Applicant/Owner Name Wildlands Engineering, Inc.(WEI) Wetland Site Name Wetland B
Wetland Type Headwater Forest Assessor Name/Organization Jordan Hessler/WEI
Level III Ecoregion Piedmont Nearest Named Water Body Indian Creek
River Basin Catawba USGS 8-Digit Catalogue Unit 03050102
County Gaston NCDWR Region Mooresville
Yes • No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.402112/-81.352008
Evidence of stressors affecting the assessment area(may not be within the assessment area)
Please circle and/or make note on last page if evidence of stressors is apparent. Consider departure from reference,if
appropriate,in recent past(for instance,approximately within 10 years). Noteworthy stressors include,but are not limited
to the following.
• Hydrological modifications(examples: ditches,dams,beaver dams,dikes,berms,ponds,etc.)
• Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby
septic tanks,underground storage tanks(USTs),hog lagoons,etc.)
• Signs of vegetation stress(examples: vegetation mortality,insect damage,disease,storm damage,salt intrusion,etc.)
• Habitat/plant community alteration(examples: mowing,clear-cutting,exotics,etc.)
Is the assessment area intensively managed? • Yes No
Regulatory Considerations -Were regulatory considerations evaluated? • Yes No If Yes,check all that apply to the assessment area.
Anadromous fish
E Federally protected species or State endangered or threatened species
NCDWR riparian buffer rule in effect
Abuts a Primary Nursery Area(PNA)
Publicly owned property
N.C. Division of Coastal Management Area of Environmental Concern(AEC)(including buffer)
Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HOW,ORW,or Trout
• Designated NCNHP reference community
• Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream
What type of natural stream is associated with the wetland,if any?(check all that apply)
Blackwater
Brownwater
Tidal(if tidal,check one of the following boxes) Lunar Wind Both
Is the assessment area on a coastal island? Yes • No
Is the assessment area's surface water storage capacity or duration substantially altered by beaver? Yes • No
Does the assessment area experience overbank flooding during normal rainfall conditions? • Yes No
1. Ground Surface ConditionNegetation Condition-assessment area condition metric
Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure
(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,
then rate the assessment area based on evidence of an effect.
GS VS
A A Not severely altered
• B • B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive
sedimentation,fire-plow lanes,skidder tracks,bedding,fill,soil compaction,obvious pollutants)(vegetation structure
alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,
less diversity[if appropriate],hydrologic alteration)
2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric
Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and
duration (Sub). Consider both increase and decrease in hydrology. A ditch<_1 foot deep is considered to affect surface water only,
while a ditch > 1 foot deep is expected to affect both surface and sub-surface water.Consider tidal flooding regime,if applicable.
Surf Sub
A • A Water storage capacity and duration are not altered.
• B B Water storage capacity or duration are altered,but not substantially(typically,not sufficient to change vegetation).
C C Water storage capacity or duration are substantially altered(typically,alteration sufficient to result in vegetation
change)(examples:draining,flooding,soil compaction,filling,excessive sedimentation,underground utility lines).
3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes)
Check a box in each column for each group below. Select the appropriate storage for the assessment area(AA)and the wetland
type(WT).
AA WT
3a. ,'—A A Majority of wetland with depressions able to pond water> 1 foot deep
( B B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep
C • C Majority of wetland with depressions able to pond water 3 to 6 inches deep
(` D D Depressions able to pond water<3 inches deep
3b. [` A Evidence that maximum depth of inundation is greater than 2 feet
(` B Evidence that maximum depth of inundation is between 1 and 2 feet
C Evidence that maximum depth of inundation is less than 1 foot

4. Soil Texture/Structure—assessment area condition metric(skip for all marshes)
Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape
feature. Make soil observations within the 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for
regional indicators.
4a. i` A Sandy soil
B Loamy or clayey soils exhibiting redoximorphic features(concentrations,depletions,or rhizospheres)
f C• Loamy or clayey soils not exhibiting redoximorphic features
f` D Loamy or clayey gleyed soil
f E• Histosol or histic epipedon
4b. (+A Soil ribbon< 1 inch
B Soil ribbon>_1 inch
4c. • A No peat or muck presence
B A peat or muck presence
5. Discharge into Wetland—opportunity metric
Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub).
Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc.
Surf Sub
A • A Little or no evidence of pollutants or discharges entering the assessment area
B B Noticeable evidence of pollutants or discharges entering the wetland and stressing,but not overwhelming the
treatment capacity of the assessment area
. C C Noticeable evidence of pollutants or discharges(pathogen,particulate,or soluble)entering the assessment area and
potentially overwhelming the treatment capacity of the wetland(water discoloration,dead vegetation,excessive
sedimentation,odor)
6. Land Use—opportunity metric(skip for non-riparian wetlands)
Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources
draining to assessment area within entire upstream watershed(WS),within 5 miles and within the watershed draining to the
assessment area(5M),and within 2 miles and within the watershed draining to the assessment area(2M). Effective riparian buffers
are considered to be 50 feet wide in the Coastal Plain and Piedmont ecoregions and 30 feet wide in the Blue Ridge Mountains ecoregion.
WS 5M 2M
F A Fe A 17 A >_10%impervious surfaces
B 1 B 1 B Confined animal operations(or other local,concentrated source of pollutants)
1 C P C P C >_20%coverage of pasture
D D D >_20%coverage of agricultural land(regularly plowed land)
• E E E >_20%coverage of maintained grass/herb
E F F F >_20%coverage of clear-cut land
E G G G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in
the watershed or hydrologic alterations that prevent dainage and/or overbank flow from affectio the
assessment area.
7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands)
7a. Is assessment area within 50 feet of a tributary or other open water?
,. Yes No If Yes,continue to 7b. If No,skip to Metric 8.
7b. How much of the first 50 feet from the bank is weltand? (Wetland buffer need only be present on one side of the water body. Make
buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.)
C A >_50 feet
C B From 30 to<50 feet
(` C From 15 to<30 feet
(: D From 5 to< 15 feet
C E <5 feet or buffer bypassed by ditches
7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width.
<_15-feet wide . > 15-feet wide Other open water(no tributary present)
7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water?
Yes • No
7e. Is tributary or other open water sheltered or exposed?
ri Sheltered—adjacent open water with width<2500 feet and no regular boat traffic.
( Exposed—adjacent open water with width>_2500 feet or regular boat traffic.
8. Wetland Width at the Assessment Area—wetland type/wetland complex condition metric(evaluate WT for all marshes
and Estuarine Woody Wetland only;evaluate WC for Bottomland Hardwood Forest,Headwater Forest,and Riverine Swamp
Forest only)
Check a box in each column. Select the average width for the wetland type at the assessment area(WT) and the wetland complex at the
assessment area(WC). See User Manual for WT and WC boundaries.
WT WC
A ( A >_100 feet
C B ( B From 80 to<100 feet
• C ( C From 50 to<80 feet
▪ D r-D From40to<50feet
(- E (E From 30 to<40 feet
( F ( F From 15 to<30 feet
▪ G G From 5 to< 15 feet
▪ H r-H <5feet

9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands)
Answer for assessment area dominant landform.
(-A Evidence of short-duration inundation(<7 consecutive days)
(:B Evidence of saturation,without evidence of inundation
('`C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more)
10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes)
Consider recent deposition only(no plant growth since deposition).
(:A Sediment deposition is not excessive,but at approximately natural levels.
('`B Sediment deposition is excessive,but not overwhelming the wetland.
( C Sediment deposition is excessive and is overwhelming the wetland.
11. Wetland Size—wetland type/wetland complex condition metric
Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area:the
size of the wetland type(WT),the size of the wetland complex(WC),and the size of the forested wetland(FW)(if applicable,see User
Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column.
WT WC FW(if applicable)
CA (`A ('A 500 acres
ir- B (-B (''B From 100 to<500 acres
C (C ('C From 50 to<100 acres
D ( D (''D From 25 to<50 acres
C E (E CE From 10 to<25 acres
C F (`F CF From 5 to< 10 acres
( G ('G (`G From 1 to<5 acres
H (`H ("`H From 0.5 to<1 acre
. I a I (i I From 0.1 to<0.5 acre
J ( J ("`J From 0.01 to<0.1 acre
K C K r`K <0.01 acre or assessment area is clear-cut
12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only)
A Pocosin is the full extent(>_90%)of its natural landscape size.
B Pocosin is<90%of the full extent of its natural landscape size.
13. Connectivity to Other Natural Areas—landscape condition metric
13a. Check appropriate box(es)(a box may be checked in each column). Involves a GIS effort with field adjustment. This
evaluates whether the wetland is well connected(Well)and/or loosely connected(Loosely)to the landscape patch,the contiguous
metric naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads,regularly maintained utility
line corridors the width of a four-lane road or wider,urban landscapes,fields(pasture open and agriculture),or water>300 feet wide.
Well Loosely
C A ('A >_500 acres
C B C B From 100 to<500 acres
(' C (:C From 50 to<100 acres
(:D ('D From 10 to<50 acres
C E C E < 10 acres
r F r F Wetland type has a poor or no connection to other natural habitats
13b. Evaluate for marshes only.
C Yes r-No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands.
14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland)
May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include
non-forested areas >_40 feet wide such as fields,development,roads,regularly maintained utility line corridors and clear-cuts. Consider
the eight main points of the compass. Artificial edge occurs within 150 feet in how many directiions? If the assessment area is clear-cut,
select option"C."
r A 0
r B 1 to 4
(:C 5 to 8
15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat)
("A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate
species,with exotic plants absent or sparse within the assessment area.
("B Vegetation is different from reference condition in species diversity or proportions,but still largely composed of native species
characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or
clearing. It also includes communities with exotics present,but not dominant,over a large portion of the expected strata.
C Vegetation severely altered from reference in composition,or expected species are unnaturally absent(planted stands of non-
characteristic species or at least one stratum inappropriately composed of a single species),or exotic species are dominant in
at least one stratum.
16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only)
('A Vegetation diversity is high and is composed primarily of native species(<10%cover of exotics).
(:B Vegetation diversity is low or has>10%to 50%cover of exotics.
("'C Vegetation is dominated by exotic species(>50%cover of exotics).

17. Vegetative Structure—assessment area/wetland type condition metric
17a. Is vegetation present?
. Yes No If Yes,continue to 17b. If No,skip to Metric 18.
17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands.
A >_25%coverage of vegetation
B <25%coverage of vegetation
17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure
in airspace above the assessment area(AA)and the wetland type(WT)separately.
AA WT
o (•A e A Canopy closed,or nearly closed,with natural gaps associated with natural processes
m :B ,:. B Canopy present,but opened more than natural gaps
U 'C i- C Canopy sparse or absent
(''0
A e A Dense mid-story/sapling layer
• ( B i- B Moderate density mid-story/sapling layer
2• (:C is C Mid-story/sapling layer sparse or absent
( A i- A Dense shrub layer
2 (`B e B Moderate density shrub layer
• (:C is C Shrub layer sparse or absent
(:A is A Dense herb layer
w (' B ,:` B Moderate density herb layer
= i'C i- C Herb layer sparse or absent
18. Snags—wetland type condition metric(skip for all marshes)
A Large snags(more than one)are visible(> 12-inches DBH,or large relative to species present and landscape stability).
. B Not A
19. Diameter Class Distribution—wetland type condition metric(skip for all marshes)
A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH);many large trees(>12 inches DBH)are
present.
f" B Majority of canopy trees have stems between 6 and 12 inches DBH,few are>12-inch DBH.
. C Majority of canopy trees are<6 inches DBH or no trees.
20. Large Woody Debris—wetland type condition metric(skip for all marshes)
Include both natural debris and man-placed natural debris.
('A Large logs(more than one)are visible(>12 inches in diameter,or large relative to species present and landscape stability).
(:B Not A
21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater
Marsh only)
Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned
areas indicate vegetated areas,while solid white areas indicate open water.
A B C D
•
22. Hydrologic Connectivity—assessment area condition metric (evaluate for riparian wetlands and Salt/Brackish Marsh only)
Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,
diversion, man-made berms, beaver dams,and stream incision. Documentation required if evaluated as B, C,or D.
A Overbank and overland flow are not severely altered in the assessment area.
B Overbank flow is severely altered in the assessment area.
C Overland flow is severely altered in the assessment area.
. D Both overbank and overland flow are severely altered in the assessment area.
Notes
Wetland B is in active cattle grazing. The wetland has been ditched to drain to UT1 and the incision on UT1 and Oak Hill Creek would make overbank
flooding very rare if at all.

NC WAM Wetland Rating Sheet
Accompanies User Manual Version 5.0
Wetland Site Name Wetland B Date 5/15/2020
Wetland Type Headwater Forest Assessor Name/Organization Jordan Hessler/WEI
Notes on Field Assessment Form(Y/N) YES
Presence of regulatory considerations(Y/N) YES
Wetland is intensively managed(Y/N) YES
Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES
Assessment area is substantially altered by beaver(Y/N) NO
Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) YES
Assessment area is on a coastal island (Y/N) NO
Sub-function Rating Summary
Function Sub-function Metrics Rating
Hydrology Surface Storage and Retention Condition LOW
Sub-Surface Storage and Retention Condition HIGH
Water Quality Pathogen Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Particulate Change Condition LOW
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Soluble Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Physical Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Pollution Change Condition NA
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Habitat Physical Structure Condition LOW
Landscape Patch Structure Condition LOW
Vegetation Composition Condition LOW
Function Rating Summary
Function Metrics/Notes Rating
Hydrology Condition MEDIUM
Water Quality Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Habitat Condition LOW
Overall Wetland Rating LOW

NC WAM WETLAND ASSESSMENT FORM
Accompanies User Manual Version 5
USACE AID#: NCDWR#:
Project Name Oak Hill Dairy Mitigation Site Date of Evaluation 5/15/2020
Applicant/Owner Name Wildlands Engineering, Inc.(WEI) Wetland Site Name Wetland C, D,and E
Wetland Type Headwater Forest Assessor Name/Organization Jordan Hessler/WEI
Level III Ecoregion Piedmont Nearest Named Water Body Indian Creek
River Basin Catawba USGS 8-Digit Catalogue Unit 03050102
County Gaston NCDWR Region Mooresville
Yes • No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.403028/-81.354322
Evidence of stressors affecting the assessment area(may not be within the assessment area)
Please circle and/or make note on last page if evidence of stressors is apparent. Consider departure from reference,if
appropriate,in recent past(for instance,approximately within 10 years). Noteworthy stressors include,but are not limited
to the following.
• Hydrological modifications(examples: ditches,dams,beaver dams,dikes,berms,ponds,etc.)
• Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby
septic tanks,underground storage tanks(USTs),hog lagoons,etc.)
• Signs of vegetation stress(examples: vegetation mortality,insect damage,disease,storm damage,salt intrusion,etc.)
• Habitat/plant community alteration(examples: mowing,clear-cutting,exotics,etc.)
Is the assessment area intensively managed? • Yes No
Regulatory Considerations -Were regulatory considerations evaluated? • Yes No If Yes,check all that apply to the assessment area.
Anadromous fish
E Federally protected species or State endangered or threatened species
NCDWR riparian buffer rule in effect
Abuts a Primary Nursery Area(PNA)
Publicly owned property
N.C. Division of Coastal Management Area of Environmental Concern(AEC)(including buffer)
Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HOW,ORW,or Trout
• Designated NCNHP reference community
• Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream
What type of natural stream is associated with the wetland,if any?(check all that apply)
Blackwater
Brownwater
Tidal(if tidal,check one of the following boxes) Lunar Wind Both
Is the assessment area on a coastal island? Yes • No
Is the assessment area's surface water storage capacity or duration substantially altered by beaver? Yes • No
Does the assessment area experience overbank flooding during normal rainfall conditions? • Yes No
1. Ground Surface ConditionNegetation Condition-assessment area condition metric
Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure
(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,
then rate the assessment area based on evidence of an effect.
GS VS
• A A Not severely altered
B • B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive
sedimentation,fire-plow lanes,skidder tracks,bedding,fill,soil compaction,obvious pollutants)(vegetation structure
alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,
less diversity[if appropriate],hydrologic alteration)
2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric
Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and
duration (Sub). Consider both increase and decrease in hydrology. A ditch<_1 foot deep is considered to affect surface water only,
while a ditch > 1 foot deep is expected to affect both surface and sub-surface water.Consider tidal flooding regime,if applicable.
Surf Sub
A • A Water storage capacity and duration are not altered.
• B B Water storage capacity or duration are altered,but not substantially(typically,not sufficient to change vegetation).
C C Water storage capacity or duration are substantially altered(typically,alteration sufficient to result in vegetation
change)(examples:draining,flooding,soil compaction,filling,excessive sedimentation,underground utility lines).
3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes)
Check a box in each column for each group below. Select the appropriate storage for the assessment area(AA)and the wetland
type(WT).
AA WT
3a. ,'—A A Majority of wetland with depressions able to pond water> 1 foot deep
( B B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep
r-C C Majority of wetland with depressions able to pond water 3 to 6 inches deep
D • D Depressions able to pond water<3 inches deep
3b. [` A Evidence that maximum depth of inundation is greater than 2 feet
(` B Evidence that maximum depth of inundation is between 1 and 2 feet
C Evidence that maximum depth of inundation is less than 1 foot

4. Soil Texture/Structure—assessment area condition metric(skip for all marshes)
Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape
feature. Make soil observations within the 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for
regional indicators.
4a. i` A Sandy soil
B Loamy or clayey soils exhibiting redoximorphic features(concentrations,depletions,or rhizospheres)
f C• Loamy or clayey soils not exhibiting redoximorphic features
f` D Loamy or clayey gleyed soil
f E• Histosol or histic epipedon
4b. f+A Soil ribbon< 1 inch
B Soil ribbon>_1 inch
4c. • A No peat or muck presence
B A peat or muck presence
5. Discharge into Wetland—opportunity metric
Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub).
Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc.
Surf Sub
. A • A Little or no evidence of pollutants or discharges entering the assessment area
B B Noticeable evidence of pollutants or discharges entering the wetland and stressing,but not overwhelming the
treatment capacity of the assessment area
C C Noticeable evidence of pollutants or discharges(pathogen,particulate,or soluble)entering the assessment area and
potentially overwhelming the treatment capacity of the wetland(water discoloration,dead vegetation,excessive
sedimentation,odor)
6. Land Use—opportunity metric(skip for non-riparian wetlands)
Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources
draining to assessment area within entire upstream watershed(WS),within 5 miles and within the watershed draining to the
assessment area(5M),and within 2 miles and within the watershed draining to the assessment area(2M). Effective riparian buffers
are considered to be 50 feet wide in the Coastal Plain and Piedmont ecoregions and 30 feet wide in the Blue Ridge Mountains ecoregion.
WS 5M 2M
F A Fe A 17 A >_10%impervious surfaces
B 1 B 1 B Confined animal operations(or other local,concentrated source of pollutants)
C P C P C >_20%coverage of pasture
D D D >_20%coverage of agricultural land(regularly plowed land)
• E E E >_20%coverage of maintained grass/herb
E F F F >_20%coverage of clear-cut land
E G G G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in
the watershed or hydrologic alterations that prevent dainage and/or overbank flow from affectio the
assessment area.
7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands)
7a. Is assessment area within 50 feet of a tributary or other open water?
,. Yes No If Yes,continue to 7b. If No,skip to Metric 8.
7b. How much of the first 50 feet from the bank is weltand? (Wetland buffer need only be present on one side of the water body. Make
buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.)
f` A >_50 feet
(` B From 30 to<50 feet
G C From 15 to<30 feet
C D From 5 to< 15 feet
( E <5 feet or buffer bypassed by ditches
7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width.
<_15-feet wide . > 15-feet wide Other open water(no tributary present)
7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water?
Yes • No
7e. Is tributary or other open water sheltered or exposed?
ri Sheltered—adjacent open water with width<2500 feet and no regular boat traffic.
( Exposed—adjacent open water with width>_2500 feet or regular boat traffic.
8. Wetland Width at the Assessment Area—wetland type/wetland complex condition metric(evaluate WT for all marshes
and Estuarine Woody Wetland only;evaluate WC for Bottomland Hardwood Forest,Headwater Forest,and Riverine Swamp
Forest only)
Check a box in each column. Select the average width for the wetland type at the assessment area(WT) and the wetland complex at the
assessment area(WC). See User Manual for WT and WC boundaries.
WT WC
A f` A >_100 feet
C B ( B From 80 to<100 feet
cc (C From 50 to<80 feet
• D r-D From40to<50feet
(- E (E From 30 to<40 feet
( F ( F From 15 to<30 feet
( G ('G From 5 to< 15 feet
• H r-H <5feet

9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands)
Answer for assessment area dominant landform.
(-A Evidence of short-duration inundation(<7 consecutive days)
(:B Evidence of saturation,without evidence of inundation
('`C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more)
10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes)
Consider recent deposition only(no plant growth since deposition).
(:A Sediment deposition is not excessive,but at approximately natural levels.
('`B Sediment deposition is excessive,but not overwhelming the wetland.
( C Sediment deposition is excessive and is overwhelming the wetland.
11. Wetland Size—wetland type/wetland complex condition metric
Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area:the
size of the wetland type(WT),the size of the wetland complex(WC),and the size of the forested wetland(FW)(if applicable,see User
Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column.
WT WC FW(if applicable)
CA (`A ('A 500 acres
ir- B (-B (''B From 100 to<500 acres
C (C ('C From 50 to<100 acres
D ( D (''D From 25 to<50 acres
C E (E CE From 10 to<25 acres
C F (`F CF From 5 to< 10 acres
( G ('G (`G From 1 to<5 acres
H (`H ("`H From 0.5 to<1 acre
. I a I (i I From 0.1 to<0.5 acre
J ( J ("`J From 0.01 to<0.1 acre
K C K r`K <0.01 acre or assessment area is clear-cut
12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only)
A Pocosin is the full extent(>_90%)of its natural landscape size.
B Pocosin is<90%of the full extent of its natural landscape size.
13. Connectivity to Other Natural Areas—landscape condition metric
13a. Check appropriate box(es)(a box may be checked in each column). Involves a GIS effort with field adjustment. This
evaluates whether the wetland is well connected(Well)and/or loosely connected(Loosely)to the landscape patch,the contiguous
metric naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads,regularly maintained utility
line corridors the width of a four-lane road or wider,urban landscapes,fields(pasture open and agriculture),or water>300 feet wide.
Well Loosely
C A ('A >_500 acres
C B C B From 100 to<500 acres
('`C (:C From 50 to<100 acres
(:D ('D From 10 to<50 acres
C E C E < 10 acres
r F r F Wetland type has a poor or no connection to other natural habitats
13b. Evaluate for marshes only.
C Yes r-No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands.
14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland)
May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include
non-forested areas >_40 feet wide such as fields,development,roads,regularly maintained utility line corridors and clear-cuts. Consider
the eight main points of the compass. Artificial edge occurs within 150 feet in how many directiions? If the assessment area is clear-cut,
select option"C."
r A 0
(:B 1 to 4
(''C 5 to 8
15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat)
("A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate
species,with exotic plants absent or sparse within the assessment area.
("B Vegetation is different from reference condition in species diversity or proportions,but still largely composed of native species
characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or
clearing. It also includes communities with exotics present,but not dominant,over a large portion of the expected strata.
C Vegetation severely altered from reference in composition,or expected species are unnaturally absent(planted stands of non-
characteristic species or at least one stratum inappropriately composed of a single species),or exotic species are dominant in
at least one stratum.
16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only)
('A Vegetation diversity is high and is composed primarily of native species(<10%cover of exotics).
(:B Vegetation diversity is low or has>10%to 50%cover of exotics.
("'C Vegetation is dominated by exotic species(>50%cover of exotics).

17. Vegetative Structure—assessment area/wetland type condition metric
17a. Is vegetation present?
. Yes No If Yes,continue to 17b. If No,skip to Metric 18.
17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands.
A >_25%coverage of vegetation
B <25%coverage of vegetation
17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure
in airspace above the assessment area(AA)and the wetland type(WT)separately.
AA WT
o (•A e A Canopy closed,or nearly closed,with natural gaps associated with natural processes
m :B ,:. B Canopy present,but opened more than natural gaps
U 'C i` C Canopy sparse or absent
(0
' A t` A Dense mid-story/sapling layer
�? (:B (:B Moderate density mid-story/sapling layer
C Mid-story/sapling layer sparse or absent
• ('A (-A Dense shrub layer
2 (`B e B Moderate density shrub layer
• (:C is C Shrub layer sparse or absent
(:A is A Dense herb layer
w (' B ,:` B Moderate density herb layer
= i'C i` C Herb layer sparse or absent
18. Snags—wetland type condition metric(skip for all marshes)
A Large snags(more than one)are visible(> 12-inches DBH,or large relative to species present and landscape stability).
. B Not A
19. Diameter Class Distribution—wetland type condition metric(skip for all marshes)
A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH);many large trees(>12 inches DBH)are
present.
f" B Majority of canopy trees have stems between 6 and 12 inches DBH,few are>12-inch DBH.
. C Majority of canopy trees are<6 inches DBH or no trees.
20. Large Woody Debris—wetland type condition metric(skip for all marshes)
Include both natural debris and man-placed natural debris.
(''A Large logs(more than one)are visible(>12 inches in diameter,or large relative to species present and landscape stability).
(:B Not A
21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater
Marsh only)
Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned
areas indicate vegetated areas,while solid white areas indicate open water.
A B C D
•
22. Hydrologic Connectivity—assessment area condition metric (evaluate for riparian wetlands and Salt/Brackish Marsh only)
Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,
diversion, man-made berms, beaver dams,and stream incision. Documentation required if evaluated as B, C,or D.
A Overbank and overland flow are not severely altered in the assessment area.
B Overbank flow is severely altered in the assessment area.
C Overland flow is severely altered in the assessment area.
. D Both overbank and overland flow are severely altered in the assessment area.
Notes
Wetland C, D,and E is in a fallow field that was previously used for agriculture.

NC WAM Wetland Rating Sheet
Accompanies User Manual Version 5.0
Wetland Site Name Wetland C, D, and E Date 5/15/2020
Wetland Type Headwater Forest Assessor Name/Organization Jordan Hessler/WEI
Notes on Field Assessment Form(Y/N) YES
Presence of regulatory considerations(Y/N) YES
Wetland is intensively managed(Y/N) YES
Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES
Assessment area is substantially altered by beaver(Y/N) NO
Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) YES
Assessment area is on a coastal island (Y/N) NO
Sub-function Rating Summary
Function Sub-function Metrics Rating
Hydrology Surface Storage and Retention Condition LOW
Sub-Surface Storage and Retention Condition HIGH
Water Quality Pathogen Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Particulate Change Condition LOW
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Soluble Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Physical Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Pollution Change Condition NA
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Habitat Physical Structure Condition LOW
Landscape Patch Structure Condition LOW
Vegetation Composition Condition LOW
Function Rating Summary
Function Metrics/Notes Rating
Hydrology Condition MEDIUM
Water Quality Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Habitat Condition LOW
Overall Wetland Rating LOW

NC WAM WETLAND ASSESSMENT FORM
Accompanies User Manual Version 5
USACE AID#: NCDWR#:
Project Name Oak Hill Dairy Mitigation Site Date of Evaluation 5/15/2020
Applicant/Owner Name Wildlands Engineering, Inc.(WEI) Wetland Site Name Wetland F
Wetland Type Headwater Forest Assessor Name/Organization Jordan Hessler/WEI
Level III Ecoregion Piedmont Nearest Named Water Body Indian Creek
River Basin Catawba USGS 8-Digit Catalogue Unit 03050102
County Gaston NCDWR Region Mooresville
Yes • No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.403028/-81.354322
Evidence of stressors affecting the assessment area(may not be within the assessment area)
Please circle and/or make note on last page if evidence of stressors is apparent. Consider departure from reference,if
appropriate,in recent past(for instance,approximately within 10 years). Noteworthy stressors include,but are not limited
to the following.
• Hydrological modifications(examples: ditches,dams,beaver dams,dikes,berms,ponds,etc.)
• Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby
septic tanks,underground storage tanks(USTs),hog lagoons,etc.)
• Signs of vegetation stress(examples: vegetation mortality,insect damage,disease,storm damage,salt intrusion,etc.)
• Habitat/plant community alteration(examples: mowing,clear-cutting,exotics,etc.)
Is the assessment area intensively managed? • Yes No
Regulatory Considerations -Were regulatory considerations evaluated? • Yes No If Yes,check all that apply to the assessment area.
Anadromous fish
E Federally protected species or State endangered or threatened species
NCDWR riparian buffer rule in effect
Abuts a Primary Nursery Area(PNA)
Publicly owned property
N.C. Division of Coastal Management Area of Environmental Concern(AEC)(including buffer)
Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HOW,ORW,or Trout
• Designated NCNHP reference community
• Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream
What type of natural stream is associated with the wetland,if any?(check all that apply)
Blackwater
Brownwater
Tidal(if tidal,check one of the following boxes) Lunar Wind Both
Is the assessment area on a coastal island? Yes • No
Is the assessment area's surface water storage capacity or duration substantially altered by beaver? Yes . No
Does the assessment area experience overbank flooding during normal rainfall conditions? • Yes No
1. Ground Surface ConditionNegetation Condition-assessment area condition metric
Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure
(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,
then rate the assessment area based on evidence of an effect.
GS VS
A A Not severely altered
• B • B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive
sedimentation,fire-plow lanes,skidder tracks,bedding,fill,soil compaction,obvious pollutants)(vegetation structure
alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,
less diversity[if appropriate],hydrologic alteration)
2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric
Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and
duration (Sub). Consider both increase and decrease in hydrology. A ditch<_1 foot deep is considered to affect surface water only,
while a ditch > 1 foot deep is expected to affect both surface and sub-surface water.Consider tidal flooding regime,if applicable.
Surf Sub
A A Water storage capacity and duration are not altered.
B B Water storage capacity or duration are altered,but not substantially(typically,not sufficient to change vegetation).
• C • C Water storage capacity or duration are substantially altered(typically,alteration sufficient to result in vegetation
change)(examples:draining,flooding,soil compaction,filling,excessive sedimentation,underground utility lines).
3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes)
Check a box in each column for each group below. Select the appropriate storage for the assessment area(AA)and the wetland
type(WT).
AA WT
3a. ,'—A A Majority of wetland with depressions able to pond water> 1 foot deep
( B B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep
C • C Majority of wetland with depressions able to pond water 3 to 6 inches deep
(` D D Depressions able to pond water<3 inches deep
3b. [` A Evidence that maximum depth of inundation is greater than 2 feet
(` B Evidence that maximum depth of inundation is between 1 and 2 feet
C Evidence that maximum depth of inundation is less than 1 foot

4. Soil Texture/Structure—assessment area condition metric(skip for all marshes)
Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape
feature. Make soil observations within the 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for
regional indicators.
4a. i` A Sandy soil
B Loamy or clayey soils exhibiting redoximorphic features(concentrations,depletions,or rhizospheres)
f C• Loamy or clayey soils not exhibiting redoximorphic features
f` D Loamy or clayey gleyed soil
f E• Histosol or histic epipedon
4b. f+A Soil ribbon< 1 inch
B Soil ribbon>_1 inch
4c. • A No peat or muck presence
B A peat or muck presence
5. Discharge into Wetland—opportunity metric
Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub).
Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc.
Surf Sub
A A Little or no evidence of pollutants or discharges entering the assessment area
B • B Noticeable evidence of pollutants or discharges entering the wetland and stressing,but not overwhelming the
treatment capacity of the assessment area
. C C Noticeable evidence of pollutants or discharges(pathogen,particulate,or soluble)entering the assessment area and
potentially overwhelming the treatment capacity of the wetland(water discoloration,dead vegetation,excessive
sedimentation,odor)
6. Land Use—opportunity metric(skip for non-riparian wetlands)
Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources
draining to assessment area within entire upstream watershed(WS),within 5 miles and within the watershed draining to the
assessment area(5M),and within 2 miles and within the watershed draining to the assessment area(2M). Effective riparian buffers
are considered to be 50 feet wide in the Coastal Plain and Piedmont ecoregions and 30 feet wide in the Blue Ridge Mountains ecoregion.
WS 5M 2M
F A Fe A 17 A >_10%impervious surfaces
B 1 B 1 B Confined animal operations(or other local,concentrated source of pollutants)
C P C P C >_20%coverage of pasture
D D D >_20%coverage of agricultural land(regularly plowed land)
• E E E >_20%coverage of maintained grass/herb
E F F F >_20%coverage of clear-cut land
E G G G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in
the watershed or hydrologic alterations that prevent dainage and/or overbank flow from affectio the
assessment area.
7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands)
7a. Is assessment area within 50 feet of a tributary or other open water?
,. Yes No If Yes,continue to 7b. If No,skip to Metric 8.
7b. How much of the first 50 feet from the bank is weltand? (Wetland buffer need only be present on one side of the water body. Make
buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.)
f` A >_50 feet
(` B From 30 to<50 feet
G C From 15 to<30 feet
C D From 5 to< 15 feet
( E <5 feet or buffer bypassed by ditches
7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width.
<_15-feet wide . > 15-feet wide Other open water(no tributary present)
7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water?
. Yes No
7e. Is tributary or other open water sheltered or exposed?
ri Sheltered—adjacent open water with width<2500 feet and no regular boat traffic.
( Exposed—adjacent open water with width>_2500 feet or regular boat traffic.
8. Wetland Width at the Assessment Area—wetland type/wetland complex condition metric(evaluate WT for all marshes
and Estuarine Woody Wetland only;evaluate WC for Bottomland Hardwood Forest,Headwater Forest,and Riverine Swamp
Forest only)
Check a box in each column. Select the average width for the wetland type at the assessment area(WT) and the wetland complex at the
assessment area(WC). See User Manual for WT and WC boundaries.
WT WC
A f` A >_100 feet
C B ( B From 80 to<100 feet
cc (C From 50 to<80 feet
• D r-D From40to<50feet
(- E (E From 30 to<40 feet
( F ( F From 15 to<30 feet
( G ('G From 5 to< 15 feet
• H r-H <5feet

9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands)
Answer for assessment area dominant landform.
(-A Evidence of short-duration inundation(<7 consecutive days)
("B Evidence of saturation,without evidence of inundation
(:C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more)
10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes)
Consider recent deposition only(no plant growth since deposition).
("A Sediment deposition is not excessive,but at approximately natural levels.
('`B Sediment deposition is excessive,but not overwhelming the wetland.
{:C Sediment deposition is excessive and is overwhelming the wetland.
11. Wetland Size—wetland type/wetland complex condition metric
Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area:the
size of the wetland type(WT),the size of the wetland complex(WC),and the size of the forested wetland(FW)(if applicable,see User
Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column.
WT WC FW(if applicable)
CA (`A ('A 500 acres
ir- B (-B (''B From 100 to<500 acres
C (C ('C From 50 to<100 acres
D ( D (''D From 25 to<50 acres
C E (E CE From 10 to<25 acres
C F (`F CF From 5 to< 10 acres
( G ('G (`G From 1 to<5 acres
( H (`H ("`H From 0.5 to<1 acre
. I a I ("'I From 0.1 to<0.5 acre
J ( J ("`J From 0.01 to<0.1 acre
K C K f:K <0.01 acre or assessment area is clear-cut
12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only)
A Pocosin is the full extent(>_90%)of its natural landscape size.
B Pocosin is<90%of the full extent of its natural landscape size.
13. Connectivity to Other Natural Areas—landscape condition metric
13a. Check appropriate box(es)(a box may be checked in each column). Involves a GIS effort with field adjustment. This
evaluates whether the wetland is well connected(Well)and/or loosely connected(Loosely)to the landscape patch,the contiguous
metric naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads,regularly maintained utility
line corridors the width of a four-lane road or wider,urban landscapes,fields(pasture open and agriculture),or water>300 feet wide.
Well Loosely
C A ('A >_500 acres
C B C B From 100 to<500 acres
('`C (:C From 50 to<100 acres
(:D ('D From 10 to<50 acres
C E C E < 10 acres
( F ("`F Wetland type has a poor or no connection to other natural habitats
13b. Evaluate for marshes only.
C Yes ('No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands.
14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland)
May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include
non-forested areas >_40 feet wide such as fields,development,roads,regularly maintained utility line corridors and clear-cuts. Consider
the eight main points of the compass. Artificial edge occurs within 150 feet in how many directiions? If the assessment area is clear-cut,
select option"C."
r A 0
r B 1 to 4
(:C 5 to 8
15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat)
("A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate
species,with exotic plants absent or sparse within the assessment area.
("B Vegetation is different from reference condition in species diversity or proportions,but still largely composed of native species
characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or
clearing. It also includes communities with exotics present,but not dominant,over a large portion of the expected strata.
C Vegetation severely altered from reference in composition,or expected species are unnaturally absent(planted stands of non-
characteristic species or at least one stratum inappropriately composed of a single species),or exotic species are dominant in
at least one stratum.
16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only)
('A Vegetation diversity is high and is composed primarily of native species(<10%cover of exotics).
(:B Vegetation diversity is low or has>10%to 50%cover of exotics.
("'C Vegetation is dominated by exotic species(>50%cover of exotics).

17. Vegetative Structure—assessment area/wetland type condition metric
17a. Is vegetation present?
. Yes No If Yes,continue to 17b. If No,skip to Metric 18.
17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands.
A >_25%coverage of vegetation
B <25%coverage of vegetation
17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure
in airspace above the assessment area(AA)and the wetland type(WT)separately.
AA WT
o (•A e A Canopy closed,or nearly closed,with natural gaps associated with natural processes
m :B ,:. B Canopy present,but opened more than natural gaps
U 'C i- C Canopy sparse or absent
(''0
A e A Dense mid-story/sapling layer
• ( B i- B Moderate density mid-story/sapling layer
2• (:C is C Mid-story/sapling layer sparse or absent
( A i- A Dense shrub layer
2 (`B e B Moderate density shrub layer
• (:C is C Shrub layer sparse or absent
( A i- A Dense herb layer
w (' B ,:` B Moderate density herb layer
C is C Herb layer sparse or absent
18. Snags—wetland type condition metric(skip for all marshes)
A Large snags(more than one)are visible(> 12-inches DBH,or large relative to species present and landscape stability).
. B Not A
19. Diameter Class Distribution—wetland type condition metric(skip for all marshes)
A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH);many large trees(>12 inches DBH)are
present.
f" B Majority of canopy trees have stems between 6 and 12 inches DBH,few are>12-inch DBH.
. C Majority of canopy trees are<6 inches DBH or no trees.
20. Large Woody Debris—wetland type condition metric(skip for all marshes)
Include both natural debris and man-placed natural debris.
('A Large logs(more than one)are visible(>12 inches in diameter,or large relative to species present and landscape stability).
(:B Not A
21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater
Marsh only)
Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned
areas indicate vegetated areas,while solid white areas indicate open water.
A B C D
•
22. Hydrologic Connectivity—assessment area condition metric (evaluate for riparian wetlands and Salt/Brackish Marsh only)
Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,
diversion, man-made berms, beaver dams,and stream incision. Documentation required if evaluated as B, C,or D.
A Overbank and overland flow are not severely altered in the assessment area.
B Overbank flow is severely altered in the assessment area.
C Overland flow is severely altered in the assessment area.
. D Both overbank and overland flow are severely altered in the assessment area.
Notes
Wetland F is heavily impacted by grazing cattle.

NC WAM Wetland Rating Sheet
Accompanies User Manual Version 5.0
Wetland Site Name Wetland F Date 5/15/2020
Wetland Type Headwater Forest Assessor Name/Organization Jordan Hessler/WEI
Notes on Field Assessment Form(Y/N) YES
Presence of regulatory considerations(Y/N) YES
Wetland is intensively managed(Y/N) YES
Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES
Assessment area is substantially altered by beaver(Y/N) NO
Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) YES
Assessment area is on a coastal island (Y/N) NO
Sub-function Rating Summary
Function Sub-function Metrics Rating
Hydrology Surface Storage and Retention Condition LOW
Sub-Surface Storage and Retention Condition LOW
Water Quality Pathogen Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Particulate Change Condition LOW
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Soluble Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Physical Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Pollution Change Condition NA
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Habitat Physical Structure Condition LOW
Landscape Patch Structure Condition LOW
Vegetation Composition Condition LOW
Function Rating Summary
Function Metrics/Notes Rating
Hydrology Condition LOW
Water Quality Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Habitat Condition LOW
Overall Wetland Rating LOW

NC WAM WETLAND ASSESSMENT FORM
Accompanies User Manual Version 5
USACE AID#: NCDWR#:
Project Name Oak Hill Dairy Mitigation Site Date of Evaluation 5/15/2020
Applicant/Owner Name Wildlands Engineering, Inc.(WEI) Wetland Site Name Wetland J
Wetland Type Headwater Forest Assessor Name/Organization Jordan Hessler/WEI
Level III Ecoregion Piedmont Nearest Named Water Body Indian Creek
River Basin Catawba USGS 8-Digit Catalogue Unit 03050102
County Gaston NCDWR Region Mooresville
Yes • No Precipitation within 48 hrs? Latitude/Longitude(deci-degrees) 35.404293/-81.356829
Evidence of stressors affecting the assessment area(may not be within the assessment area)
Please circle and/or make note on last page if evidence of stressors is apparent. Consider departure from reference,if
appropriate,in recent past(for instance,approximately within 10 years). Noteworthy stressors include,but are not limited
to the following.
• Hydrological modifications(examples: ditches,dams,beaver dams,dikes,berms,ponds,etc.)
• Surface and sub-surface discharges into the wetland(examples:discharges containing obvious pollutants,presence of nearby
septic tanks,underground storage tanks(USTs),hog lagoons,etc.)
• Signs of vegetation stress(examples: vegetation mortality,insect damage,disease,storm damage,salt intrusion,etc.)
• Habitat/plant community alteration(examples: mowing,clear-cutting,exotics,etc.)
Is the assessment area intensively managed? • Yes No
Regulatory Considerations -Were regulatory considerations evaluated? • Yes No If Yes,check all that apply to the assessment area.
Anadromous fish
E Federally protected species or State endangered or threatened species
NCDWR riparian buffer rule in effect
Abuts a Primary Nursery Area(PNA)
Publicly owned property
N.C. Division of Coastal Management Area of Environmental Concern(AEC)(including buffer)
Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HOW,ORW,or Trout
• Designated NCNHP reference community
• Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream
What type of natural stream is associated with the wetland,if any?(check all that apply)
Blackwater
Brownwater
Tidal(if tidal,check one of the following boxes) Lunar Wind Both
Is the assessment area on a coastal island? Yes • No
Is the assessment area's surface water storage capacity or duration substantially altered by beaver? Yes . No
Does the assessment area experience overbank flooding during normal rainfall conditions? • Yes No
1. Ground Surface ConditionNegetation Condition-assessment area condition metric
Check a box in each column. Consider alteration to the ground surface(GS)in the assessment area and vegetation structure
(VS)in the assessment area. Compare to reference wetland if applicable(see User Manual). If a reference is not applicable,
then rate the assessment area based on evidence of an effect.
GS VS
A A Not severely altered
• B • B Severely altered over a majority of the assessment area(ground surface alteration examples: vehicle tracks,excessive
sedimentation,fire-plow lanes,skidder tracks,bedding,fill,soil compaction,obvious pollutants)(vegetation structure
alteration examples: mechanical disturbance,herbicides,salt intrusion[where appropriate],exotic species,grazing,
less diversity[if appropriate],hydrologic alteration)
2. Surface and Sub-Surface Storage Capacity and Duration—assessment area condition metric
Check a box in each column. Consider surface storage capacity and duration(Surf)and sub-surface storage capacity and
duration (Sub). Consider both increase and decrease in hydrology. A ditch<_1 foot deep is considered to affect surface water only,
while a ditch > 1 foot deep is expected to affect both surface and sub-surface water.Consider tidal flooding regime,if applicable.
Surf Sub
A A Water storage capacity and duration are not altered.
B B Water storage capacity or duration are altered,but not substantially(typically,not sufficient to change vegetation).
• C • C Water storage capacity or duration are substantially altered(typically,alteration sufficient to result in vegetation
change)(examples:draining,flooding,soil compaction,filling,excessive sedimentation,underground utility lines).
3. Water Storage/Surface Relief—assessment area/wetland type condition metric(skip for all marshes)
Check a box in each column for each group below. Select the appropriate storage for the assessment area(AA)and the wetland
type(WT).
AA WT
3a. ,'—A A Majority of wetland with depressions able to pond water> 1 foot deep
( B B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep
r-C C Majority of wetland with depressions able to pond water 3 to 6 inches deep
D • D Depressions able to pond water<3 inches deep
3b. [` A Evidence that maximum depth of inundation is greater than 2 feet
(` B Evidence that maximum depth of inundation is between 1 and 2 feet
C Evidence that maximum depth of inundation is less than 1 foot

4. Soil Texture/Structure-assessment area condition metric(skip for all marshes)
Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape
feature. Make soil observations within the 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for
regional indicators.
4a. i` A Sandy soil
f. B Loamy or clayey soils exhibiting redoximorphic features(concentrations,depletions,or rhizospheres)
f C• Loamy or clayey soils not exhibiting redoximorphic features
f` D Loamy or clayey gleyed soil
f E• Histosol or histic epipedon
4b. (+A Soil ribbon< 1 inch
B Soil ribbon>_1 inch
4c. • A No peat or muck presence
B A peat or muck presence
5. Discharge into Wetland—opportunity metric
Check a box in each column. Consider surface pollutants or discharges(Surf)and sub-surface pollutants or discharges(Sub).
Examples of sub-surface discharges include presence of nearby septic tank,underground storage tank(UST),etc.
Surf Sub
A A Little or no evidence of pollutants or discharges entering the assessment area
B B Noticeable evidence of pollutants or discharges entering the wetland and stressing,but not overwhelming the
treatment capacity of the assessment area
. C . C Noticeable evidence of pollutants or discharges(pathogen,particulate,or soluble)entering the assessment area and
potentially overwhelming the treatment capacity of the wetland(water discoloration,dead vegetation,excessive
sedimentation,odor)
6. Land Use—opportunity metric(skip for non-riparian wetlands)
Check all that apply(at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources
draining to assessment area within entire upstream watershed(WS),within 5 miles and within the watershed draining to the
assessment area(5M),and within 2 miles and within the watershed draining to the assessment area(2M). Effective riparian buffers
are considered to be 50 feet wide in the Coastal Plain and Piedmont ecoregions and 30 feet wide in the Blue Ridge Mountains ecoregion.
WS 5M 2M
E A E A E A >_10%impervious surfaces
F B P B 1 B Confined animal operations(or other local,concentrated source of pollutants)
Pc Pc Pc >_20%coverage of pasture
D D D >_20%coverage of agricultural land(regularly plowed land)
• E E E >_20%coverage of maintained grass/herb
E F F F >_20%coverage of clear-cut land
E G G G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in
the watershed or hydrologic alterations that prevent dainage and/or overbank flow from affectio the
assessment area.
7. Wetland Acting as Vegetated Buffer—assessment area/wetland complex condition metric(skip for non-riparian wetlands)
7a. Is assessment area within 50 feet of a tributary or other open water?
,. Yes No If Yes,continue to 7b. If No,skip to Metric 8.
7b. How much of the first 50 feet from the bank is weltand? (Wetland buffer need only be present on one side of the water body. Make
buffer judgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.)
C A >_50 feet
C B From 30 to<50 feet
C C From 15 to<30 feet
(: D From 5 to< 15 feet
C E <5 feet or buffer bypassed by ditches
7c. Tributary width. If the tributary is anastomosed,combine widths of channels/braids for a total width.
+ <_15-feet wide ` > 15-feet wide Other open water(no tributary present)
7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water?
. Yes No
7e. Is tributary or other open water sheltered or exposed?
ri Sheltered—adjacent open water with width<2500 feet and no regular boat traffic.
( Exposed—adjacent open water with width>_2500 feet or regular boat traffic.
8. Wetland Width at the Assessment Area-wetland type/wetland complex condition metric(evaluate WT for all marshes
and Estuarine Woody Wetland only;evaluate WC for Bottomland Hardwood Forest,Headwater Forest,and Riverine Swamp
Forest only)
Check a box in each column. Select the average width for the wetland type at the assessment area(WT) and the wetland complex at the
assessment area(WC). See User Manual for WT and WC boundaries.
WT WC
A ( A >_100 feet
C B (—B From 80 to<100 feet
( C (C From 50 to<80 feet
▪ D r-D From40to<50feet
(- E (E From 30 to<40 feet
( F ( F From 15 to<30 feet
( G r-G From 5 to< 15 feet
▪ H r-H <5feet

9. Inundation Duration—assessment area condition metric(skip for non-riparian wetlands)
Answer for assessment area dominant landform.
(-A Evidence of short-duration inundation(<7 consecutive days)
(:B Evidence of saturation,without evidence of inundation
(`C Evidence of long-duration inundation or very long-duration inundation(7 to 30 consecutive days or more)
10. Indicators of Deposition—assessment area condition metric(skip for non-riparian wetlands and all marshes)
Consider recent deposition only(no plant growth since deposition).
("A Sediment deposition is not excessive,but at approximately natural levels.
(`B Sediment deposition is excessive,but not overwhelming the wetland.
{:C Sediment deposition is excessive and is overwhelming the wetland.
11. Wetland Size—wetland type/wetland complex condition metric
Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area:the
size of the wetland type(WT),the size of the wetland complex(WC),and the size of the forested wetland(FW)(if applicable,see User
Manual). See the User Manual for boundaries of these evaluation areas. If assessment area is clear-cut,select"K"for the FW column.
WT WC FW(if applicable)
CA (`A ('A 500 acres
ir- B ( B (''B From 100 to<500 acres
• C (C ('C From 50 to<100 acres
D ( D (''D From 25 to<50 acres
C E (E CE From 10 to<25 acres
C F (`F CF From 5 to< 10 acres
( G ('G (`G From 1 to<5 acres
• H ( H ("`H From 0.5 to<1 acre
( I iI (`I From 0.1 to<0.5 acre
J `J ("`J From 0.01 to<0.1 acre
( K C K f.K <0.01 acre or assessment area is clear-cut
12. Wetland Intactness—wetland type condition metric(evaluate for Pocosins only)
A Pocosin is the full extent(>_90%)of its natural landscape size.
B Pocosin is<90%of the full extent of its natural landscape size.
13. Connectivity to Other Natural Areas—landscape condition metric
13a. Check appropriate box(es)(a box may be checked in each column). Involves a GIS effort with field adjustment. This
evaluates whether the wetland is well connected(Well)and/or loosely connected(Loosely)to the landscape patch,the contiguous
metric naturally vegetated area and open water(if appropriate). Boundaries are formed by four-lane roads,regularly maintained utility
line corridors the width of a four-lane road or wider,urban landscapes,fields(pasture open and agriculture),or water>300 feet wide.
Well Loosely
C A ('A >_500 acres
CB CB From 100 to<500 acres
C ('C From 50 to<100 acres
C D ('D From 10 to<50 acres
C E (:E < 10 acres
( F ("`F Wetland type has a poor or no connection to other natural habitats
13b. Evaluate for marshes only.
C Yes r-No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands.
14. Edge Effect—wetland type condition metric(skip for all marshes and Estuarine Woody Wetland)
May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include
non-forested areas >_40 feet wide such as fields,development,roads,regularly maintained utility line corridors and clear-cuts. Consider
the eight main points of the compass. Artificial edge occurs within 150 feet in how many directiions? If the assessment area is clear-cut,
select option"C."
r A 0
r B 1 to 4
(:C 5 to 8
15. Vegetative Composition—assessment area condition metric(skip for all marshes and Pine Flat)
("A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate
species,with exotic plants absent or sparse within the assessment area.
("B Vegetation is different from reference condition in species diversity or proportions,but still largely composed of native species
characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or
clearing. It also includes communities with exotics present,but not dominant,over a large portion of the expected strata.
C Vegetation severely altered from reference in composition,or expected species are unnaturally absent(planted stands of non-
characteristic species or at least one stratum inappropriately composed of a single species),or exotic species are dominant in
at least one stratum.
16. Vegetative Diversity—assessment area condition metric(evaluate for Non-tidal Freshwater Marsh only)
('A Vegetation diversity is high and is composed primarily of native species(<10%cover of exotics).
(:B Vegetation diversity is low or has>10%to 50%cover of exotics.
("'C Vegetation is dominated by exotic species(>50%cover of exotics).

17. Vegetative Structure—assessment area/wetland type condition metric
17a. Is vegetation present?
. Yes No If Yes,continue to 17b. If No,skip to Metric 18.
17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non-marsh wetlands.
A >_25%coverage of vegetation
B <25%coverage of vegetation
17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non-marsh wetlands. Consider structure
in airspace above the assessment area(AA)and the wetland type(WT)separately.
AA WT
o (•A e A Canopy closed,or nearly closed,with natural gaps associated with natural processes
m ;`B ,:` B Canopy present,but opened more than natural gaps
U (T. C is C Canopy sparse or absent
(''0
A e A Dense mid-story/sapling layer
• ( B i- B Moderate density mid-story/sapling layer
2• (:C is C Mid-story/sapling layer sparse or absent
( A i- A Dense shrub layer
2 (`B e B Moderate density shrub layer
• (:C is C Shrub layer sparse or absent
( A i- A Dense herb layer
w (:B ,:: B Moderate density herb layer
= i'C i- C Herb layer sparse or absent
18. Snags—wetland type condition metric(skip for all marshes)
A Large snags(more than one)are visible(> 12-inches DBH,or large relative to species present and landscape stability).
. B Not A
19. Diameter Class Distribution—wetland type condition metric(skip for all marshes)
A Majority of canopy trees have stems>6 inches in diameter at breast height(DBH);many large trees(>12 inches DBH)are
present.
f" B Majority of canopy trees have stems between 6 and 12 inches DBH,few are>12-inch DBH.
. C Majority of canopy trees are<6 inches DBH or no trees.
20. Large Woody Debris—wetland type condition metric(skip for all marshes)
Include both natural debris and man-placed natural debris.
('A Large logs(more than one)are visible(>12 inches in diameter,or large relative to species present and landscape stability).
(:B Not A
21. Vegetation/Open Water Dispersion—wetland type/open water condition metric(evaluate for Non-Tidal Freshwater
Marsh only)
Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned
areas indicate vegetated areas,while solid white areas indicate open water.
A B C D
•
22. Hydrologic Connectivity—assessment area condition metric (evaluate for riparian wetlands and Salt/Brackish Marsh only)
Examples of activities that may severely alter hydrologic connectivity include intensive ditching,fill,sedimentation,channelization,
diversion, man-made berms, beaver dams,and stream incision. Documentation required if evaluated as B, C,or D.
A Overbank and overland flow are not severely altered in the assessment area.
B Overbank flow is severely altered in the assessment area.
C Overland flow is severely altered in the assessment area.
. D Both overbank and overland flow are severely altered in the assessment area.
Notes
Wetland J is a trampled hillside headwater wetland along UT1 a.The wetland is heavily impacted by grazing cattle.

NC WAM Wetland Rating Sheet
Accompanies User Manual Version 5.0
Wetland Site Name Wetland J Date 5/15/2020
Wetland Type Headwater Forest Assessor Name/Organization Jordan Hessler/WEI
Notes on Field Assessment Form(Y/N) YES
Presence of regulatory considerations(Y/N) YES
Wetland is intensively managed(Y/N) YES
Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) YES
Assessment area is substantially altered by beaver(Y/N) NO
Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) YES
Assessment area is on a coastal island (Y/N) NO
Sub-function Rating Summary
Function Sub-function Metrics Rating
Hydrology Surface Storage and Retention Condition LOW
Sub-Surface Storage and Retention Condition LOW
Water Quality Pathogen Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Particulate Change Condition LOW
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Soluble Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Physical Change Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Pollution Change Condition NA
Condition/Opportunity NA
Opportunity Presence?(Y/N) NA
Habitat Physical Structure Condition LOW
Landscape Patch Structure Condition LOW
Vegetation Composition Condition LOW
Function Rating Summary
Function Metrics/Notes Rating
Hydrology Condition LOW
Water Quality Condition LOW
Condition/Opportunity LOW
Opportunity Presence?(Y/N) NO
Habitat Condition LOW
Overall Wetland Rating LOW

APPENDIX 4—Supplementary Design Information

Existing Conditions Geomorphic Parameters
Oak Hill Dairy
Oak Hill Creek Reach 1 Oak Hill Creek Reach 2 Oak Hill Creek Reach 3 Oak Hill Creek Reach 4 UT1 Reach 1 UT1 Reach 2 UT1A UT1B
Parameter Notation Units
min I max min I max min I max min I max min I max min I max min I max min I max
stream type B4c E4 C4 E5 F4 G4 F5b Cb
drainage area DA sq mi 0.95 0.96 1.54 1.67 0.47 0.52 0.02 0.01
bankfull cross-
Abe SF 27.5 28.1 29.1 35.1 10.7 14.1 1.9 1.1
sectional area
avg velocity
during bankfull vbkf fps 3.5 4.7 3.3 3.5 2.9 3.7 1.6 2.0
event
width at
bankfull Wbkf feet 19.9 14.6 19.3 19.8 15.9 9.1 9.9 4.8
maximum
depth at dma„ feet 1.7 3.0 2.2 2.3 1.6 2.2 0.4 0.4
bankfull
mean depth at dbkf feet 1.4 1.9 1.5 1.8 0.7 1.5 0.2 0.2
bankfull
bankfull width
to depth ratio wbkf/dbkf 14.4 7.6 12.9 11.2 23.4 5.9 51.0 22.0
low bank height feet 4.2 5.9 5.5 5.3 3.9 5.4 3.7 0.4
bank height BHR 2.4 2.0 2.6 2.3 2.4 2.4 9.6 1.0
ratio
floodprone area width wfpa feet 40.0 79.0 49.8 90.7 24.5 16.2 12.2 16.0
entrenchment ER 2.0 5.4 2.6 4.6 1.5 1.8 1.2 3.3
ratio
max pool depth
at bankfull dpou feet 3.5 4.4 3.7 3.1 1.6 1.7 3.0 N/A
pool depth dpooi/dbkf 2.5 2.3 2.5 1.7 2.3 2.4 2.0 N/A
ratio
pool width at bankfull wp(oi feet 24.5 18.7 13.7 17.9 16.2 12.9 N/A
pool width ratio wpooi/wbkf 1.2 1.3 0.7 0.9 1.0 1.4 N/A
Bkf pool cross- Apooi SF 44.2 59.1 29.9 40.3 13.5 17.9 N/A
sectional area
pool area ratio Apooi/Abkf 1.6 2.1 1.3 1.1 1.3 1.3 N/A
pool-pool p-p feet 27.8 153.0 48.0 86.0 83.0 117.0 31.0 122.0 35.5 58.3 19.3 57.0 N/A N/A
spacing
pool-pool p-p/Wbkf 1.4 7.7 3.3 5.9 4.3 6.1 1.6 6.2 2.2 3.7 2.1 6.3 N/A N/A
spacing ratio
valley slope Sydney feet/foot 0.0085 0.0062 0.0060 0.0024 0.0133 0.0081 0.0338
channel slope Schani)ei feet/foot 0.0070 0.0050 0.0060 0.0071 0.0045 0.0070 0.0250 0.0229
sinuosity K 1.21 1.14 1.15 1.15 1.03 1.15 1.07
belt width whit feet 60.0 70.0 36.0 52.0 26.0 40.0 17.0 33.0 18.0 31.0 14.5 15.5 N/A N/A
meander width wbit/wbkf 3.0 3.5 2.5 3.6 1.3 2.1 0.9 1.7 1.1 1.9 1.6 1.7 N/A N/A
ratio
meander length LR, feet 150.0 175.0 134.0 150.0 128.0 220.0 113.0 120.0 56.0 70.0 30.0 51.0 N/A N/A
meander length Lm/wbkf 7.5 8.8 9.2 10.3 6.6 11.4 5.7 6.1 3.5 4.4 3.3 5.6 N/A N/A
ratio
Linear LW 137.0 212.0 111.0 123.0 109.0 76.0 87.0 74.0 112.0 67.0 99.0 N/A N/A
Wavelength
Linear
Wavelength LW/wbkf 6.9 10.7 7.6 8.4 5.6 3.8 4.4 4.7 7.0 7.4 10.9 N/A N/A
Ratio
radius of R, feet 33.0 47.0 20.0 25.0 15.0 38.0 20.0 44.0 18.0 30.0 18.0 30.0 N/A N/A
curvature
radius of R,/Wbkf 1.7 2.4 1.4 1.7 0.8 2.0 1.0 2.2 1.1 1.9 2.0 3.3 N/A N/A
curvature ratio
Notes:(1)For UT1A,stream pattern parameters other than sinuosity not reported due to limited channel pattern inherent of stream types(step-pool morphology)located within steep valleys.
(2)UT1A is a channelized and cattle-trampled stream channel with limited bed form profile variability-no pool parameters obtained.Stream profile parameters not reported for Enhancement II reaches.
(3)Stream parameters not reported for preservation reach UT1B.

Cross Section 1,OHC Reach 1
Pool
815
814
813
812
811
810
809
808
807
w 806
805
g 804
'P II
._ __.---• • . ...• 74
795
100 110 120 130 140 150 160 170 180 190 200 210 220
Width(ft)
+Existing Conditions -Bankfull
Bankfull Dimensions '
44.2 x-section area(ft.sq.)
24.5 width(ft) a •
1.8 mean depth(ft)
3.5 max depth(ft)
26.8 wetted perimeter(ft) .,�
1.6 hyd radi(ft) r
13.6 width depth ratio ! -- i
1.7 low bank height ratio
' �4
r rtry. - fis�a
View Upstream

Cross Section 2,OHC Reach 1
Riffle
804
802 .-------.---6 ---\\___•____......_\... •'',4-.._.__.......
$ 800
o Low top of bank elevation
(801.20')used to
w calculate bank height
798
ratio.
796
130 140 150 160 170 180 190 200 210 220 230 240 250 260
Width(ft)
Existing Conditions —Bankfull —Floodprone Area
Bankfull Dimensions
27.5 x-section area(ft.sq.)
19.9 width(ft) ^
1.4 mean depth(ft) "_ _
1.7 max depth(ft) fr
20.8 wetted perimeter(ft) �"" ,,.' . , Y
1.3 hyd radi(ft) ,_ toy ry: •�
14.4 width-depth ratio s ,,,,a.` �
40.0 W flood prone area(ft) ,_ 3 _
2.0 entrenchment ratio u �' a "w Fes- x =• • LL
2.4 low bank height ratio -
4 3
View Upstream

Cross Section 3,OHC Reach 2
Riffle
802
801
800
799
798
0 797
co
iv 796
795
794
793
20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300
Width(ft)
+Existing Conditions -Bankfull -Floodprone Area
Bankfull Dimensions
28.1 x-section area (ft.sq.)
14.6 width(ft)
1.9 mean depth (ft)
3.0 max depth (ft)
16.4 wetted perimeter(ft) = - _ °'
1.7 hydradi (ft) i. ' ; - • -
7.6 width-depth ratio "+�°•` '` ~ '
79.0 W flood prone area (ft)
5.4 entrenchment ratio
2.0 low bank height ratio
•
•
View Upstream

Cross Section 4,OHC Reach 2
Pool
799
798 lee
• 1
797
796
795
\is,71-*******-------44".."----4-4"--------.4..---
c
0
794
v
w
793
792
791 , ,
100 110 120 130 140 150 160 170 180 190 200 210 220
Width(ft)
+Existing Conditions -Bankfull
Bankfull Dimensions
59.1 x-section area(ft.sq.)
18.7 width(ft)
3.2 mean depth(ft)
4.4 max depth(ft) ,'
21.7 wetted perimeter(ft)
2.7 hyd radi(ft) A
5.9 width-depth ratio , j ..
1.0 low bank height ratio
View Downstream

Cross Section 5,OHC Reach 3
Riffle
794z. �-
792
7,
790
788
100 110 120 130 140 150 160 170 180 190 200 210 220 230
Width(ft)
Existing Conditions -Bankfull -Floodprone Area
Bankfull Dimensions -- x.
29.1 x-section area(ft.sq.)
-
19.3 width(ft) --- --
1.5 mean depth(ft) _ .- - ` '
2.2 max depth(ft) •
20.4 wetted perimeter(ft)
1.4 hyd radi(ft)
12.8 width-depth ratio
49.8 W flood prone area(ft) 7'
2.6 entrenchment ratio •
2.6 low bank height ratio
View Downstream

Cross Section 6,OHC Reach 3
Pool
796
♦
794 ♦
792
4=' 790
788
786 ,
100 110 120 130 140 150 160 170 180 190 200 210 220 230
Width(ft)
Existing Conditions —Bankfull
Bankfull Dimensions
29.9 x-section area(ft.sq.)
13.7 width(ft)
2.2 mean depth(ft) ...
3.7 max depth(ft) x :-_
16.9 wetted perimeter(ft) _
1.8 hyd radi(ft) _
- i
6.3 width-depth ratio r T r - er:
122.1 W flood prone area(ft)
8.9 entrenchment ratio x.
2.0 low bank height ratio '� >
View Downstream

Cross Section 7,OHC Reach 4
Riffle
794
792
$ 790
o
788
786 ,
100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
Width(ft)
Existing Conditions —Bankfull —Floodprone Area
Bankfull Dimensions
35.1 x-section area(ft.sq.) p�'' - ''
19.8 width(ft) •
1.8 mean depth(ft) k`' 7• ::F'
ks
2.3 max depth(ft)
22.3 wetted perimeter(ft) .�y l�4', =•,
1.6 hyd radi(ft) � '• ._
11.2 width-depth ratio %*- _` -90.7 W flood prone area(ft) -
4.6 entrenchment ratio
2.3 low bank height ratio =- *-y
_ rt.
View Downstream

Cross Section 8,OHC Reach 4
Pool
793
791 •
$ 789
c
0
v
w
787
785
100 110 120 130 140 150 160 170 180 190 200 210 220
Width(ft)
Existing Conditions —Bankfull
Bankfull Dimensions Y ;3#e,tt ' l R
40.3 x-section area(ft.sq.) `' li } z. '
17.9 width(ft)
2.3 mean depth(ft)
3.1 max depth(ft) s
21.0 wetted perimeter(ft)
1.9 hyd radi(ft)
8.0 width-depth ratio }:
68.5 W flood prone area(ft)
3.8 entrenchment ratio
2.1 low bank height ratio ' -. x
x •
• - ,,
s
•
View Downstream

Cross Section 9,UT1 Reach 1
Pool
820
818
816
814
\\4
$ 812
o • *- • M• H
810
a,
w
808
806
804 ,
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140
Width(ft)
Existing Conditions —Bankfull
Bankfull Dimensions ••; �. , ,;p,0-f - - '• of 7, r
13.5 x-section area(ft.sq.) c K
16.2 width(ft)
0.8 mean depth(ft)
A0.
1.7 max depth(ft) .
,r`� m
16.9 wetted perimeter(ft) fk.- .� ;-.` ' '' �' ��` y
0.8 hyd radi(ft) -
19.5 width-depth ratio ��, ,- "', r� r"
i
23.8 W flood prone area(ft) _ '` �'�`
1.5 entrenchment ratio
2.8 low bank height ratio
ie fj
View Downstream

Cross Section 10,UT1 Reach 1
Riffle
813
811
Z
0 809 \Thiril"---4---4
v
w
807
805 ,
0 10 20 30 40 50 60 70 80 90
Width(ft)
1 Existing Conditions —Bankfull —Floodprone Area
Bankfull Dimensions g . r H'" .:i,rr ,
10.7 x-section area(ft.sq.) T:._ -f-,
15.9 width(ft) ! � .� %'" '
r
0.7 mean depth(ft) ✓ =' ...
1.6 max depth(ft) 4. �: • xa i 6 F
16.9 wetted perimeter(ft) `-, r y,
0.6 hyd radi(ft) �t y --
23.4 width-depth ratio ` '4- ra ''
24.5 W flood prone area(ft)
1.5 entrenchment ratio 3 � `.`` r " - _
2.4 low bank height ratio F`
1
4 yr. k 1 1
View Downstream

Cross Section 11,UT1 Reach 2
Riffle
804
803
802 -
801
800
$ 799
4=, 798
797
796
795
794
100 110 120 130 140 150 160 170 180
Width(ft)
Existing Conditions -Ban kfull Floodprone Area
Bankfull Dimensions L�-
14.1 x-section area(ft.sq.)
9.1 width(ft)
1.5 mean depth(ft)
2.2 max depth(ft)
10.1 wetted perimeter(ft)
1.4 hyd radi(ft)
•
5.9 width-depth ratio 3 .l`''c
16.2 W flood prone area(ft) }
1.8 entrenchment ratio c
2.4 low bank height ratio y Y s r.;f
Icy •
View Downstream

Cross Section 12,UT1 Reach 2
Pool
800
799
798
797
: 796
795
794
793
792
791
50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210
Width(ft)
Existing Conditions —Bankfull
Bankfull Dimensions
17.9 x-section area(ft.sq.)
12.9 width(ft)
1.4 mean depth(ft)
3.0 max depth(ft)
14.7 wetted perimeter(ft) � t , � �"
1.2 hyd radi(ft)
9.2 width-depth ratio •
2.8 entrenchment ratio r , ;'
1.8 low bank height ratio
•
View Downstream

Cross Section 13,UT1A
Riffle
822 —
821
820
819
818
817
816
$ 815
° 814
> 813
812
811
810
809
808
0 10 20 30 40 50 60 70 80 90 100
Width(ft)
—0—Existing Conditions —Bankfull — Floodprone Area
Bankfull Dimensions
1.9 x-section area(ft.sq.)
9.9 width(ft) 4
S,
0.2 mean depth(ft)
,00
0.4 max depth(ft) • }
10.1 wetted perimeter(ft) '" '? Rti`
0.2 hyd radi(ft) x. s yh,. 6� ! fir
51.0 width-depth ratio
12.2 W flood prone area(ft) •
rt
1.2 entrenchment ratio 'c
9.6 low bank height ratio � '
.r -. 4�..A,s ,F-
View Downstream

Reachwide and Cross-Section Pebble Count Plots
Oak Hill Dairy
DMS Project No.100120
Existing Conditions-2020
OHC R1,Reachwide
Diameter(mm) Particle Count Reach Summary
Particle Class Class Percent OHC R1,Reachwide
min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution
SILT/CLAY Silt/Clay 0.000 0.062 1 1 2 2 2 100 )14 ~ ~�
Very fine 0.062 0.125 2 2 2 4 90 SiIVCIay Sard Gravel
Fine 0.125 0.250 3 3 3 7 80 1 Cpbble 3��der
Bed
Medium 0.25 0.50 7 7 7 14
Coarse 0.5 1.0 8 8 8 22 0 70
Very Coarse 1.0 2.0 7 7 7 29 i 60
a+
Very Fine 2.0 2.8 29 I 50
Very Fine 2.8 4.0 1 1 1 30 E 40
Fine 4.0 5.6 30
Fine 5.6 8.0 1 1 1 31 w 30
,..p Medium 8.0 11.0 1 2 3 3 34 a 20
60. Medium 11.0 16.0 3 3 3 37 10
Coarse 16.0 22.6 7 6 13 13 50 0
Coarse 22.6 32 10 3 13 13 63 0.01 0.1 1 10 100 1000 10000
Very Coarse 32 45 14 4 18 18 81 Particle Class Size(mm)
Very Coarse 45 64 10 1 11 11 92
• Existing Conditions 2020
\ \p Small 64 90 5 1 6 6 98
, \\
Small 90 128 2 2 2 100
® \\O Large 128 180 100
\\ \\\O OHC R1,Reachwide
\\\\\\\ Large 180 256 100
Individual Class Percent
256 362 100
100
.....................................................
Small 362 512 100
90
Medium 512 1024 100
Large/Very Large 1024 2048 100 80
BEDROCK Bedrock 2048 >2048 100 c 70
w
Total 50 50 100 100 100 w 60
a
0 50
Reachwide 16
u 40
Channel materials(mm) To
' 30
D16= 0.59 v
D35= 12.46 v 20
D50= 22.6 E 10
Dom= 49.5 0 , • • I I II
D95= 75.9 O,ti yti5 by O5 ,, ti ,L'b b 56 'b y1 ,y(o ,L) ,b1, b5 Ob 00 ,LW $O 56 ,01, ,c1, tib bb 00.
bc3
D1oo= 128.0
Particle Class Size(mm)
•MVO-03/2020

Reachwide and Cross-Section Pebble Count Plots
Oak Hill Dairy
DMS Project No.100120
Existing Conditions-2020
OHC R2,Reachwide
Diameter(mm) Particle Count Reach Summary
Particle Class Class Percent OHC R2,Reachwide
min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution
SILT/CLAY Silt/Clay 0.000 0.062 2 2 2 2 100 * ~ ~�
Very fine 0.062 0.125 6 6 6 8 90 SiIVCIay Sard Gravel
Fine 0.125 0.250 11 11 11 19 80 1 Cobble 3•j der
Bedrock"1
Medium 0.25 0.50 11 11 11 30
Coarse 0.5 1.0 6 6 6 36 0 70
Very Coarse 1.0 2.0 4 7 11 11 47 i 60
a+
Very Fine 2.0 2.8 4 4 4 52 I 50
Very Fine 2.8 4.0 52 E 40
Fine 4.0 5.6 1 2 3 3 55
Fine 5.6 8.0 2 2 2 57 w 30
,..p Medium 8.0 11.0 2 1 3 3 60 a 20
60. Medium 11.0 16.0 7 7 7 67 10
Coarse 16.0 22.6 8 1 9 9 76 0
Coarse 22.6 32 7 7 7 83 0.01 0.1 1 10 100 1000 10000
Very Coarse 32 45 5 1 6 6 89 Particle Class Size(mm)
Very Coarse 45 64 6 6 6 95
• Existing Conditions 2020
\ \p Small 64 90 4 4 4 99
, \\
Small 90 128 1 1 1 100
® \\O Large 128 180 100
\\ \\\O OHC R2,Reachwide
VV \ Large 180 256 100
Individual Class Percent
256 362 100
100
.....................................................
Small 362 512 100
90
Medium 512 1024 100
Large/Very Large 1024 2048 100 80
BEDROCK Bedrock 2048 >2048 100 c 70
w
Total 49 50 99 100 100 w 60
a
0 50
Reachwide 16
u 40
Channel materials(mm) To
' 30
D16= 0.20 v
D3s= 0.86 v 20
Dso= 2.5 E 10
D50= .5 0 IIIIIN • • IIIIIN
D9s= 64.3 0031, titi5 ,L5 og ti ti ,L48 a 56 % titi y0 ,Lo ,bti a5 0b oo $ �o �0 0ti yti ya ke �0
0. O. O �, 1ti 1 'L "� 5 ,y0 le
a0
D1oo= 128.0
Particle Class Size(mm)
•MVO-03/2020

Reachwide and Cross-Section Pebble Count Plots
Oak Hill Dairy
DMS Project No.100120
Existing Conditions-2020
OHC R3,Reachwide
Diameter(mm) Particle Count Reach Summary
Particle Class Class Percent OHC R3,Reachwide
min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution
SILT/CLAY Silt/Clay 0.000 0.062 0 100 * ~ ~�
Very fine 0.062 0.125 2 2 2 2 90 SiIVCIay Sard Gravel
>14
Fine 0.125 0.250 10 10 10 12 80 1 Cpbble 3•j der
Bed
Medium 0.25 0.50 18 18 18 30
Coarse 0.5 1.0 7 7 7 37 0 70
Very Coarse 1.0 2.0 9 9 9 46 i 60
a+
Very Fine 2.0 2.8 1 1 1 47 I 50
Very Fine 2.8 4.0 1 1 1 48 E 40
Fine 4.0 5.6 48
Fine 5.6 8.0 1 1 2 2 50 w 30
,..p Medium 8.0 11.0 3 2 5 5 55 a 20
60. Medium 11.0 16.0 9 3 12 12 67 10
Coarse 16.0 22.6 10 5 15 15 82 0
Coarse 22.6 32 10 10 10 92 0.01 0.1 1 10 100 1000 10000
Very Coarse 32 45 2 2 2 94 Particle Class Size(mm)
Very Coarse 45 64 3 1 4 4 98
• Existing Conditions 2020
\ \p Small 64 90 2 2 2 100
, \\
Small 90 128 100
® \\O Large 128 180 100
\\ \\\O OHC R3,Reachwide
\\\\\\\ Large 180 256 100
Individual Class Percent
256 362 100
100
.....................................................
Small 362 512 100
90
Medium 512 1024 100
Large/Very Large 1024 2048 100 80
BEDROCK Bedrock 2048 >2048 100 c 70
w
Total 40 60 100 100 100 w 60
a
0 50
Reachwide 16
u 40
Channel materials(mm) To
' 30
D16= 0.29 v
D35= 0.82 ' 20
D50- 8.0 10 1 I 1 1 I 1
Dm= 24.2 0
D95= 49.1 O,ti yti5 by O5 ,, ti ,L'b b 56 'b y1 ,y(o ,L) ,b'L b5 Ob 00 ,LW $O 56 ,o'L ,y'L tib bb 00.
bc3
D100= 90.0
Particle Class Size(mm)
•MVO-03/2020

Reachwide and Cross-Section Pebble Count Plots
Oak Hill Dairy
DMS Project No.100120
Existing Conditions-2020
OHC R4,Reachwide
Diameter(mm) Particle Count Reach Summary
Particle Class Class Percent OHC R4,Reachwide
min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution
SILT/CLAY Silt/Clay 0.000 0.062 4 4 4 4 100 * • • • �• • •
Very fine 0.062 0.125 13 13 13 17 90 Silt./Clay Sand Gravel
Fine 0.125 0.250 1 9 10 10 26 80 I Cobble 3•J der
Be lle
Medium 0.25 0.50 10 10 10 36
Coarse 0.5 1.0 10 10 10 46 0 70
Very Coarse 1.0 2.0 5 5 5 51 i 60
a+
Very Fine 2.0 2.8 51 I 50
Very Fine 2.8 4.0 1 1 2 2 53 E 40
Fine 4.0 5.6 3 2 5 5 58
Fine 5.6 8.0 2 2 4 4 62 w 30
.40, Medium 8.0 11.0 5 2 7 7 69 a 20
60. Medium 11.0 16.0 4 3 7 7 75 10
Coarse 16.0 22.6 7 7 7 82 0
Coarse 22.6 32 8 8 8 90 0.01 0.1 1 10 100 1000 10000
Very Coarse 32 45 5 1 6 6 96 Particle Class Size(mm)
Very Coarse 45 64 3 3 3 99
• Existing Conditions 2020
\ \p Small 64 90 1 1 1 100
, \\
Small 90 128 100
® \\O Large 128 180 100
\\ \\\O OHC R4,Reachwide
\\\\\\\ Large 180 256 100
Individual Class Percent
256 362 100
100
........................................................Small 362 512 100
90
Medium 512 1024 100
Large/Very Large 1024 2048 100 80
BEDROCK Bedrock 2048 >2048 100 c 70
w
Total 40 62 102 100 100 w 60
a
0 50
Reachwide 16
u 40
Channel materials(mm) To
' 30
D16= 0.12 v
D3s= 0.46 v 20
E
Dso= 1.7 10
D9s= 42.3 O,0ti yti5 by O5 ,, ti ,L'b b 56 'b y1 ,y0 ,Lo ,b1, b5 Ob 00 vcb $O 56 ,01, ,c1, tib bb 00.
bc3
D1oo= 90.0
Particle Class Size(mm)
•MVO-03/2020

Reachwide and Cross-Section Pebble Count Plots
Oak Hill Dairy
DMS Project No.100120
Existing Conditions-2020
UT1 R1,Reachwide
Diameter(mm) Particle Count Reach Summary
Particle Class Class Percent UT1 R1,Reachwide
min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution
SILT/CLAY Silt/Clay 0.000 0.062 3 3 6 6 6 100 4 * .--•• ~• • •
14
Very fine 0.062 0.125 3 7 10 10 16 90 SiIVCIay Sard Gravel
Cobble >14 ►
Fine 0.125 0.250 6 6 6 22 80 1 I 3��der Bedrock_
Medium 0.25 0.50 1 11 12 12 34
Coarse 0.5 1.0 5 5 5 39 0 70
Very Coarse 1.0 2.0 2 7 9 9 48 i 60
Very Fine 2.0 2.8 1 1 1 49 I 50
Very Fine 2.8 4.0 2 1 3 3 52 E 40
Fine 4.0 5.6 52
Fine 5.6 8.0 52 w 30
,..p Medium 8.0 11.0 2 3 5 5 57 a 20
60. Medium 11.0 16.0 1 3 4 4 61 10
Coarse 16.0 22.6 8 1 9 9 70 0
Coarse 22.6 32 6 6 6 76 0.01 0.1 1 10 100 1000 10000
Very Coarse 32 45 7 2 9 9 85 Particle Class Size(mm)
Very Coarse 45 64 11 11 11 96
• Existing Conditions 2020
\ \p Small 64 90 2 2 2 98
, \\
Small 90 128 98
® \\O Large 128 180 1 1 2 2 100
\\ \\\O UT1 R1,Reachwide
VV \ Large 180 256 100
Individual Class Percent
256 362 100
100
.....................................................
Small 362 512 100
90
Medium 512 1024 100
Large/Very Large 1024 2048 100 80
BEDROCK Bedrock 2048 >2048 100 c 70
w
Total 50 50 100 100 100 w 60
a
0 50
Reachwide 16
7, 40
Channel materials(mm)
Di6= 0.13 v 30
D35_ 0.57 20
D50= 3.2 10
Dom= 43.3 0 M ' N ' • ' - • • M ' n I I
D95= 62.0 O,ti yti5 by O5 ,, ti ,L'b b 56 'b y1 ,y0 ,Lo ,ti b5 Ob 00 vcb $O 56 ,01, ,c1, tib bb bc300.
Dioo= 180.0
Particle Class Size(mm)
•MVO-03/2020

Reachwide and Cross-Section Pebble Count Plots
Oak Hill Dairy
DMS Project No.100120
Existing Conditions-2020
UT1 R2,Reachwide
Diameter(mm) Particle Count Reach Summary
Particle Class Class Percent UT1 R2,Reachwide
min max Riffle Pool Total Percentage Cumulative Pebble Count Particle Distribution
SILT/CLAY Silt/Clay 0.000 0.062 2 5 7 7 7 100 )14 ~ 0--•Very fine 0.062 0.125 2 1 3 3 10 90 SiIVCIay Sard Gravel
Fine 0.125 0.250 3 3 3 13 80 1 Cpbble 3•J der
Bedrock
Medium 0.25 0.50 1 4 5 5 18
Coarse 0.5 1.0 3 14 17 17 35 0 70
Very Coarse 1.0 2.0 1 10 11 11 46 i 60
a+
Very Fine 2.0 2.8 3 3 3 49 = 50
Very Fine 2.8 4.0 2 2 2 51 E• 40
Fine 4.0 5.6 1 1 1 52
Fine 5.6 8.0 2 2 2 54 w 30
,..p Medium 8.0 11.0 5 1 6 6 60 a 20
60. Medium 11.0 16.0 1 1 2 2 62 10
Coarse 16.0 22.6 7 2 9 9 71 0
Coarse 22.6 32 13 2 15 15 86 0.01 0.1 1 10 100 1000 10000
Very Coarse 32 45 10 10 10 96 Particle Class Size(mm)
Very Coarse 45 64 3 3 3 99
• Existing Conditions 2020
\ \p Small 64 90 1 1 1 100
y, N, Small 90 128 100
® %%1 Large 128 180 100
\\ \\\O UT1 R2,Reachwide
Large 180 256 100
Individual Class Percent
256 362 100
100
........................................................Small 362 512 100
90
Medium 512 1024 100
Large/Very Large 1024 2048 100 80
BEDROCK Bedrock 2048 >2048 100 E. 70
w
Total 50 50 100 100 100 w 60
a
0 50
Reachwide 16
u 40
Channel materials(mm) Ts
' 30
D16= 0.38 v
D _ 1.00 ' 20
35
D50 3.3
• 10 � I 1 • . 1 I 1 • -
Da,= 30.5 0 � • • -
D95= 43.5 O(01, yti5 by O5 'y ti ,L'b b 56 'b y1 ,y0 ,L<o ,b1, b5 Ob 00 .vcb $O 56 ,01, ,c1, ,tib le 00.
bc3
D1oo= 90.0
Particle Class Size(mm)
•MVO-03/2020

Discharge Analysis Summary Table-Oak Hill Dairy Creek Mitigation Site
OHC R1 OHC R2 OHC R3 OHC R4 UT1 R1 UT1 R2 UT1A Little Trib Pond Trib
(UT3) (UT2)
DA(acres) 608 614 988 1070 302 333 12 77 9
Weighted DA(sq.mi.) 0.95 0.96 1.54 1.67 0.47 0.52 0.02 0.12 0.01
(0-5) Qbkf(cfs) Qbkf(cfs) Qbkf(cfs) Qbkf(cfs) Qbkf(cfs) Qbkf(cfs) Qbkf(cfs) Qbkf(cfs) Qbkf(cfs)
USGS Peak Discharge 1-yr event 24 25 36 39 14 15 1 4 1
Estimation for NC Rural 1.2-yr event 75 75 107 113 45 48 4 16 3
1 Piedemont 1.5-yr event 106 107 151 160 64 69 6 24 5
1.8-yr event 130 131 184 195 79 84 8 29 7
2-yr event 142 143 201 213 86 92 9 32 7
Manning's Equation at XS1
Surveyed Riffle XS from XS2 98
Mecklenburg Spreadsheets XS3 94
XS4
XS5 95
XS6
1 XS7 122
XS8
XS9
XS10 31
XS11 52
XS12
XS13 3
Piedmont Regional Curve low range 30 30 43 46 18 19 2 7 1
3 exact calc 86 86 122 129 52 55 5 19 4
high range 244 245 344 364 148 159 15 56 13
0 Alan Walker Curve exact calc 54 54 78 83 31 33 2 11 2
Max Q-Determined from
NA Manning's Equation at 654 676 863 635 381 446
Surveyed TOB =mom.
Qbkf from Reference Reach
0 61 61 87 92 36 39 3 13 3
Curve
Note:Select reference reach points above curve omitted use with large DA's>0.4 sq.mi.,revised
equation used for large DA's is y=63.21x^0.74(R2=0.95)
Weighted Design Q I 86 I 86 I 113 I 124 I 46 I 53 I 4 I 19 I 4
Final Design Q 90 149 51 I 7 I 19 I 5

Oak Hill Dairy Mitigation Site-Reference Reach Geomorphic Parameters
Deep Creek Mitigation UT to Catawba River UT to Catawba River Lake Norman Group
Boyd Branch Long Branch Timber Trib(mid-reach) UT to Varnals Creek Foust Upstream Cooleemee Plantation
Site Reach 1 Reach 2 Camp Tributary US
Notation Units
min max min max min max min max min max min max min max Min Max min max min max
stream type E4 C5 C/E4 B4 E5 E3b/C3b C4/E4 E5 C4 C5
drainage area DA sq mi 0.90 0.67 1.49 0.04 1.6 1.6 0.41 0.10 1.40 0.68
design discharge Q cfs 51 40.9 101 124 17 80 80 54 12 95 26
bankfull cross-sectional
Abkf SF 13.8 15.4 17.1 101 34.6 4.6 11.4 17.5 13.2 10.3 12.3 3.4 3.6 23.9 24.1 13.6 14.9
area
average velocity during
bankfull event vbkf fps 3.2 3.8 2.4 3.6 4 3.7 5.54 6.06 4.4 5.2 3.5 4.0 1.8
Cross-Section
width at bankfull wbkf feet 13.5 16.6 12.9 14.8 18.6 8.9 9.7 12.4 12.3 9.3 10.5 4.2 4.4 18.5 19.4 14.7 18.1
maximum depth at bankfull dmax feet 1.7 1.9 2.3 1.9 2.9 0.7 1.7 1.73 1.5 1.7 1 1.2 1.8 2.1 1.6
mean depth at bankfull dbkf feet 0.8 1.1 1.4 1.3 2.1 0.5 1.2 1.4 1.07 1.1 1.2 0.8 1.2 1.3 0.8 1.0
bankfull width to depth
ratio
wbkf/dbkf 11.8 20 9.6 7.9 13.8 17 8.1 8.9 11.5 8.1 9.3 5.2 5.5 14.3 15.7 14.6 24.1
depth ratio dmax/dbkf feet 1.7 2.1 1.6 1.8 1.4 1.5 1.4 1.2 1.4 1.62 1.4 1.3 1.5 1.4 1.7 1.6 2.0
bank height ratio BHR 1.0 0.9 1.1 1.2 1.5 1 0.9 1.4 0.77 1.26 1 1 0.9 1.1 - 1.0
floodprone area width wfpa feet 37 41 135 >50 13.6 52 79 53 60 100 8.6 10.6 55.0 101.2 140+
entrenchment ratio ER 2.5 2.8 10.5+ >3.4 1.5 5.36 6.37 4.31 5.7 10 2 2.5 2.9 5.3 8.8+
Slope
valley slope Svalley feet/foot 0.012 0.0068 0.006 0.0406 0.011 0.029 0.02 0.0200 - 0.0034
channel slope Schnl feet/foot 0.009 0.0028 0.004 0.0334 0.005 0.027 0.017 0.0200 0.0090 0.0027
Profile
riffle slope 5r;ffle feet/foot 0.0150 0.0280 0.002 0.009 0.013 0.012 0.02 0.15 0.01 0.06 0.01 0.35 0.024 0.057 0.01 0.12 - 0.0027 0.0130
riffle slope ratio Sr;ffle/Schnl 1.7 3.1 0.7 3.4 3.3 3 0.69 4.49 2.5 13.3 0.5 12.8 1.4 3.4 0.6 7.3 - 1.0 4.8
pool slope Sp feet/foot 0.0008 0.0020 0 0.0025 0.0003 0.003 0 0.082 0.001 0.003 0.002 0.022 0 0.015 0.0000 0.0104 - 0.0000 0.0130
pool slope ratio Sp/Schni 0.1 0.2 0 0.9 0.1 0.8 0 2.46 0.3 0.7 0.1 0.8 0 0.9 0 0.6 - 0.0 4.8
pool-to-pool spacing LP_P feet 260.0 345.0 29 103 50 105 6 49.4 31 60 19.3 46.4 7.8 82.2 8.5 57.8 - 19.0 35.0
pool spacing ratio LP_P/wbkf 19.3 25.6 2.2 8 3.4 7.1 0.7 5.6 2.8 5.4 1.6 3.8 0.5 5.6 0.8 5.1 - 0.0 4.8
pool cross-sectional area Ap000l SF 20.1 19.6 25.5 33.4 - - 18.1 - 22 22.7 - - 29.2 34.9 14.8
pool area ratio Apool/^bkf 1.3 1.5 1.1 1 1.3 - - 1 1.6 - 1.8 1.9 - - 1.2 1.5 1.0
maximum pool depth dpool feet 2.6 3.0 3.2 2.2 - - 2.5 - 2.5 2.6 - - 2.5 2.9 2.0
pool depth ratio dpool/dbkf 2.4 3.8 2.4 0.8 1.2 - - 1.8 2.1 - 3 3.1 - - 1.9 2.3 2.2
pool width at bankfull wpool feet 16.0 20.2 19.6 16.2 18.8 - - 10.4 - 15.1 18.6 - - 15.3 20.5 13.3
pool width ratio wpool/wbkf 1.2 1.5 0.9 1.3 - - 0.8 1.1 - 1 1.3 - - 0.8 1.1 0.8
Pattern
sinuosity K 1.60 1.6 1.3 1.12 1.1 1.1 1.2 1.6 - 1.10
belt width wblt feet 42.0 100.0 45 71 60 - - 55 23 14.6 44.5 15.5 16.5 - 22.0 30.0
meander width ratio wblt/wbkf 2.8 6.6 3.5 5.5 3.2 4.1 - - 4.4 5.7 1.8 1 3 3.6 3.8 - 1.3 1.8
linear wavelength(formerly Lm feet 60.0 107.0 95 130 66 191 - - 65 107 52 79 16.4 46.6 31 34 - -
meander length)
linear wavelength ratio
(formerly meander length Lm/wbkf 4.0 7.1 7.4 10.1 4.5 10.3 - - 6.7 8.6 4.2 6.4 1.1 3.2 7.2 7.9 - -
ratio)
meander length feet 66.0 139.0 58.0 70.0
meander length ratio 4.4 9.2 3.5 4.3
radius of curvature Rc feet 18.7 91.0 18 33 16 87 - - 31 56 29 52 8.3 47.3 8 11.8 - 14.0 38.0
radius of curvature ratio Rd Wbkf 1.2 6.0 1.4 2.6 1.1 4.7 - - 2.8 5.1 2.4 4.2 0.57 3.2 1.9 2.7 - 0.9 2.3
Particle Size Distribution from Reach-wide Pebble Count
d5o Description Medium/Coarse Gravel Fine Sand Very Coarse Gravel Fine Gravel Very Coarse Sand Small Cobble Medium Gravel Fine Gravel Very Coarse Gravel -
d16 mm - Silt/Clay 8.1 0.49 0.3 0.5 2.9 0.21 9.6 -
d35 mm - 0.15 26.6 3.5 0.4 29.8 9.2 2.8 37 -
d50 mm - 0.2 41.6 6.5 1.8 75.9 15 5.2 61 -
d84 mm - 1.1 124.8 48 12.8 170.8 56 85 130 -
d95 mm - 8.9 225.5 83 25.2 332 88 120 1100 -
d100 mm - 22.6 - 128 90 2048 256 - - -

Table 1: OHC Reach 1
Designed Conditions
I Notation Units
min max design
stream type C4
drainage area DA sq mi 0.95
bankfull design discharge Qbkf cfs 90.0
Cross-Section Features
bankfull cross-sectional area Abkf SF 28.4
average velocity during bankfull event vbkf fps 3.2
width at bankfull Wbkf feet 20.0
mean depth at bankfull dbkf feet 1.4
bankfull width to depth ratio wbkf/dbkf 14
maximum depth at bankfull dmax feet 1.7 2.1
max depth ratio dmax/dbkf 1.2 1.5 1.5
bank height ratio BHR 1.0 1.0
floodprone area width wfpa feet 44 100
entrenchment ratio ER 2.2 5.0
Slope
valley slope Salley feet/foot 0.0054
channel slope Schannel feet/foot 0.004 0.004 0.004
Riffle Features
riffle slope Sriftle feet/foot 0.0048 0.0136
riffle slope ratio Sfae/Schannel 1.2 3.4
Pool Features
pool slope Spooi feet/foot 0.0000 0.0016
pool slope ratio Spool/Schaxmei 0.00 0.40
pool-to-pool spacing Lp_p feet 32 124
pool spacing ratio Lp_p/wbkf 1.6 6.2
maximum pool depth at bankfull dpooi feet 2.8 4.3
pool depth ratio dpooi/dbkf 2.0 3.0
pool width at bankfull wpool feet 20.0 32.0
pool width ratio wpool/wbkf 1.0 1.6
pool cross-sectional area at bankfull Apool SF 31.2 70.9
pool area ratio Apool/Abkf 1.1 2.5
Pattern Features
sinuosity K 1.20 1.30 1.20
belt width wbit feet 40 132
meander width ratio wbit/wbkf 2.0 6.6
linear wavelength LW feet 120 240
linear wavelength ratio L W/wbkf 6.0 12.0
meander length Lin feet 150 300
meander length ratio Lm/wbkf 7.5 15.0
radius of curvature Re feet 40 60
radius of curvature ratio Re/wbkf 2.0 3.0

Table 1: OHC Reach 2
Designed Conditions
Notation Units
min max design
stream type C4
drainage area DA sq mi 0.96
bankfull design discharge Qbkf cfs 88.0
Cross-Section Features
bankfull cross-sectional area Abkf SF 33.4
average velocity during bankfull event vbkf fps 2.6
width at bankfull wbkf feet 23.0
mean depth at bankfull dbkf feet 1.5
bankfull width to depth ratio wbkf/dbkf 16
maximum depth at bankfull dma, feet 1.7 2.3
max depth ratio dmax/dbkf 1.2 1.6 1.5
bank height ratio BHR 1.0 1.0
floodprone area width wfpa feet 51 115
entrenchment ratio ER 2.2 5.0
Slope
valley slope Svalley feet/foot 0.0058
channel slope Schannel feet/foot 0.005 0.006 0.0055
Riffle Features
riffle slope Sriffle feet/foot 0.0066 0.0187
riffle slope ratio Snftie/Seha ei 1.2 3.4
Pool Features
pool slope SPooi feet/foot 0.0000 0.0022
pool slope ratio SPool/Sehannel 0.00 0.40
pool-to-pool spacing LP_P feet 37 143
pool spacing ratio LP_P/wbkf 1.6 6.2
maximum pool depth at bankfull dPooi feet 2.9 4.4
pool depth ratio dpooi/dbkf 2.0 3.0
pool width at bankfull wPooi feet 23.0 36.8
pool width ratio wPool/wbkf 1.0 1.6
pool cross-sectional area at bankfull APooi SF 36.7 83.4
pool area ratio Apooi/Abkf 1.1 2.5
Pattern Features
sinuosity K 1.20 1.30 1.20
belt width whit feet 46 152
meander width ratio wbit/wbkf 2.0 6.6
linear wavelength LW feet 138 276
linear wavelength ratio LW/wbkf 6.0 12.0
meander length Lm feet 173 345
meander length ratio Lm/wbkf 7.5 15.0
radius of curvature Re feet 46 69
radius of curvature ratio Re/wbkf 2.0 3.0

Table 1: OHC Reach 3
D
I Notation Units
minesigned Conditions max design
stream type C4
drainage area DA sq mi 1.54
bankfull design discharge Qbkf cfs 149.0
Cross-Section Features
bankfull cross-sectional area Abkf SF 43.9
average velocity during bankfull event vbkf fps 3.4
width at bankfull Wbkf feet 25.0
mean depth at bankfull dbkf feet 1.8
bankfull width to depth ratio wbkf/dbkf 14
maximum depth at bankfull dmax feet 2.1 2.6
max depth ratio dmax/dbkf 1.2 1.5 1.5
bank height ratio BHR 1.0 1.0
floodprone area width wfpa feet 55 125
entrenchment ratio ER 2.2 5.0
Slope
valley slope Salley feet/foot 0.0067
channel slope Sehannel feet/foot 0.004 0.007 0.0055
Riffle Features
riffle slope Sriftle feet/foot 0.0066 0.0187
riffle slope ratio Sfae/Schannel 1.2 3.4
Pool Features
pool slope Spooi feet/foot 0.0000 0.0022
pool slope ratio Spool/Scharmei 0.00 0.40
pool-to-pool spacing Lp_p feet 40 155
pool spacing ratio Lp_p/wbkf 1.6 6.2
maximum pool depth at bankfull dpooi feet 3.5 5.3
pool depth ratio dpooi/dbkf 2.0 3.0
pool width at bankfull wpooi feet 25.0 40.0
pool width ratio wpool/wbkf 1.0 1.6
pool cross-sectional area at bankfull Apool SF 48.2 109.6
pool area ratio Apool/Abkf 1.1 2.5
Pattern Features
sinuosity K 1.20 1.30 1.20
belt width wbit feet 50 165
meander width ratio wbit/wbkf 2.0 6.6
linear wavelength LW feet 150 300
linear wavelength ratio L W/wbkf 6.0 12.0
meander length Lin feet 188 375
meander length ratio Lm/wbkf 7.5 15.0
radius of curvature Re feet 50 75
radius of curvature ratio Re/wbkf 2.0 3.0

Table 1: OHC Reach 4
Notation Units
Designed Conditions
min max design
stream type C4
drainage area DA sq mi 1.67
bankfull design discharge Qbkf cfs 156.0
Cross-Section Features
bankfull cross-sectional area Abu- SF 43.9
average velocity during bankfull event vbkf fps 3.6
width at bankfull Wbkf feet 25.0
mean depth at bankfull dbkf feet 1.8
bankfull width to depth ratio wbkf/dbkf 14
maximum depth at bankfull dmax feet 2.1 2.6
max depth ratio dmax/dbkf 1.2 1.5 1.5
bank height ratio BHR 1.0 1.0
floodprone area width Wfpa feet 55 125
entrenchment ratio ER 2.2 5.0
Slope
valley slope Svalley feet/foot 0.0085
channel slope Sehai11ie1 feet/foot 0.004 0.007 0.007
Riffle Features
riffle slope Sriffle feet/foot 0.0084 0.0238
riffle slope ratio Sriffle/Schannel 1.2 3.4
Pool Features
pool slope Spool feet/foot 0.0000 0.0028
pool slope ratio 5pool/Schannel 0.00 0.40
pool-to-pool spacing Lp_p feet 40 155
pool spacing ratio LP_P/wbkf 1.6 6.2
maximum pool depth at bankfull dp001 feet 3.5 5.3
pool depth ratio dp001/dbkf 2.0 3.0
pool width at bankfull wp001 feet 25.0 40.0
pool width ratio wp001/wbkf 1.0 1.6
pool cross-sectional area at bankfull Ap001 SF 48.2 109.6
pool area ratio Ap001/Abkf 1.1 2.5
Pattern Features
sinuosity K 1.20 1.30 1.20
belt width wblt feet 50 165
meander width ratio Wblc/wbkf 2.0 6.6
linear wavelength LW feet 150 300
linear wavelength ratio LW/wbkf 6.0 12.0
meander length En feet 188 375
meander length ratio Lm/wbkf 7.5 15.0
radius of curvature Re feet 50 75
radius of curvature ratio Re/wbkf 2.0 3.0

Table 1: UT1 R1/R2
Designed Conditions
I Notation Units
min max design
stream type C4
drainage area DA sq mi 0.47-0.52
bankfull design discharge Qbkf cfs 42.0-51.0
Cross-Section Features
bankfull cross-sectional area Abkf SF 18.4
average velocity during bankfull event vbkf fps 2.4
width at bankfull wbkf feet 17.0
mean depth at bankfull dbkf feet 1.1
bankfull width to depth ratio wbkf/dbkf 16
maximum depth at bankfull dmax feet 1.3 1.6
max depth ratio dmax/dbkf 1.2 1.5 1.6
bank height ratio BHR 1.0 1.0
floodprone area width wfpa feet 37 85
entrenchment ratio ER 2.2 5.0
Slope
valley slope Svalley feet/foot 0.0061/0.0086
channel slope Schannel feet/foot 0.006 0.007 0.0065
Riffle Features
riffle slope Sriffle feet/foot 0.0078 0.0221
riffle slope ratio Srifae"5et Tel 1.2 3.4
Pool Features
pool slope Spooi feet/foot 0.0000 0.0026
pool slope ratio Spool/Schannel 0.00 0.40
pool-to-pool spacing Lp_p feet 27 105
pool spacing ratio Lp_p/wbkf 1.6 6.2
maximum pool depth at bankfull dpooi feet 2.2 3.3
pool depth ratio dpooi/dbkf 2.0 3.0
pool width at bankfull wpool feet 17.0 27.2
pool width ratio wpool/wbkf 1.0 1.6
pool cross-sectional area at bankfull Apool SF 20.3 46.1
pool area ratio Apool/Abkf 1.1 2.5
Pattern Features
sinuosity K 1.20 1.30 1.20
belt width wbit feet 34 112
meander width ratio wbawbkf 2.0 6.6
linear wavelength LW feet 102 204
linear wavelength ratio L W/wbkf 6.0 12.0
meander length Lin feet 128 255
meander length ratio Lm/wbkf 7.5 15.0
radius of curvature Re feet 34 51
radius of curvature ratio Re/wbkf 2.0 3.0

Table 1: UT1A
Designed Conditions
I Notation Units
min max design
stream type E4b
drainage area DA sq mi 0.02
bankfull design discharge Qbkf cfs 7.0
Cross-Section Features
bankfull cross-sectional area Abkf SF 2.6
average velocity during bankfull event vbkf fps 2.6
width at bankfull Wbkf feet 5.5
mean depth at bankfull dbkf feet 0.5
bankfull width to depth ratio wbkf/dbkf 12
maximum depth at bankfull dmax feet 0.6 0.8
max depth ratio dmax/dbkf 1.2 1.6 1.5
bank height ratio BHR 1.0 1.1
floodprone area width wfpa feet 8 12
entrenchment ratio ER 1.4 2.2
Slope
valley slope Salley feet/foot 0.035
channel slope Sehannel feet/foot 0.032 0.032 0.032
Riffle Features
riffle slope Sriftle feet/foot 0.026 0.064
riffle slope ratio Sfae/Schannel 0.8 2.0
Pool Features
pool slope Spooi feet/foot 0.0000 0.003
pool slope ratio Spool/Scharmei 0.00 0.10
pool-to-pool spacing Lp_p feet 8 14
pool spacing ratio Lp_p/wbkf 1.5 2.5
maximum pool depth at bankfull dpooi feet 1.0 1.7
pool depth ratio dpooi/dbkf 2.0 3.5
pool width at bankfull wpoo1 feet 5.5 8.3
pool width ratio wpool/wbkf 1.0 1.5
pool cross-sectional area at bankfull Apool SF 3.9 6.6
pool area ratio Apool/Abkf 1.5 2.5
Pattern Features
sinuosity K 1.00 1.20 1.10
belt width wbit feet 11 36
meander width ratio wbit/wbkf 2.0 6.6
linear wavelength LW feet 33 66
linear wavelength ratio L W/wbkf 6.0 12.0
meander length Lin feet 41 83
meander length ratio Lm/wbkf 7.5 15.0
radius of curvature Re feet 11 17
radius of curvature ratio Re/wbkf 2.0 3.0

APPENDIX 5—Wetland Design Documents and Data

S& Soil & Environmental Consultants, PA
EC !Zsr it I{,ntn RiJg: C{,,;iJ • R�I.r_Ir. N rsh C':ir liar:� '.f,f4 • Phonc:i414s ti46_7,4411 • i:e\ 4{11,h N46-,1467
u ti,rrrJEC.a a n
HYDRIC SOIL INVESTIGATION
Oak Hill Dairy Project Site
601 Roy Faker Rd., Cherryville, NC
PIEDMONT
Catawba River Basin
Gaston County, North Carolina
Prepared for:
Mr. Eric Neuhaus
Wildlands Engineering, Inc.
167-B Haywood Road
Asheville, NC 28806 r-
of
t..p 1."'"---$01/.
. yLSiAlp� � ?
Aire* :
o KEVIN C.MARTIN co
000851 -% -
` /035
W �
January 5th, 2019
Revised May 29th, 2020
Revised October 12th, 2020
1

INTRODUCTION
Soil & Environmental Consultants, PA(S&EC, PA) was retained to perform an evaluation to assess the
presence and extent of hydric soils onsite. Proposed Wetland area 1 is currently planted in winter wheat
or fallow and Proposed Wetland 3 is mostly fescue grass. Proposed Wetland areas 2 and 4 have been
maintained in the past but currently have mostly herbaceous vegetation with some small saplings
intermixed. Proposed Wetland areas 1 and 3 contained hydric soil indicators F3, F19 or both within 10" of
the surface while Proposed Wetland areas 2 &4 contained some borings with hydric soil indicators
present at depths greater than 10" but less than or equal to 18". (see attached Figure A-Soil
Investigation Map)
METHODOLOGY
On December 27th, 2018 and March 6th, 2020 Kevin Martin (LSS, PWS) of S&EC, PA performed hydric soil
evaluations at the site. Ninety-one Hand auger borings were advanced on the property at locations as
appropriate to approximately estimate the location and extent of hydric soils within the project area (see
attached Figure A- Soil Investigation Map). Each soil boring was evaluated to assess the presence or
absence of hydric soil indicators. Hydric soil indicators were identified utilizing the NRCS Field Indicators
of Hydric Soils in the Unities States-A Guide for Identifying and Delineating Hydric Soils (Version 8.2,
2018).
All areas evaluated are mapped as the somewhat poorly drained Chewacla soil series (Fine-loamy, mixed,
active,thermic Fluvaquentic Dystrudepts) except for a few small areas along the western perimeter of
Proposed Wetland 1 that were mapped as the well-drained Pacolet soil series. Most hydric soils observed
onsite within Proposed Wetlands areas 1 and 3 were more like the Wehadkee soil series (Fine-loamy,
mixed, active, nonacid, thermic Fluvaquentic Endoaquepts) because they contained a horizon with a
dominant chroma of 2 or less in the upper 20 inches of the soil.While most of the soils in Proposed
Wetland area 2 and 4 were more like the Chewacla soil series since they have a horizon with a dominant
chroma of more than 2 in the upper 20 inches of the soil.
Non hydric soils observed along the perimeter of the Proposed Wetland areas 1 and 3 were most like the
well to moderately well drained Congaree soil series.The Congaree soils were generally present close to
the streams.
RESULTS
Approximately 91 soil borings were performed within the study area. Soil characteristics were
evaluated and all areas identified as containing hydric soils met the hydric soil criteria described
below.
Soil boring locations are indicated on the attached Figure A- Soil Investigation Map. The type of
hydric soil indicator at each boing is shown on the Soil Investigation Map. The depth to the
hydric soil indicator(s) for each boring is listed within Table 1-- Depth to Hydric Soil Indicator and
Type.
2

Red circles on the Map—are borings where hydric soil indicators were not observed in the top
10" of the soil profile. Hydric indicators may have been observed below 10" of the soil surface
depending on the boring location (see the attached table for further details).
Orange circles on the Map are borings where hydric soil indicators were not observed in the
top 10" of the soil profile, but were observed within 18" of the current soil surface. This area
seems to contain a buried hydric soil that existed prior to 1956. A review of aerial photos in 1938
and 1951 show that the stream in this area was at a different location (further south) than its
present location. The realignment of the stream appears to have resulted in side-cast material
from the rerouted stream being deposited in this area. One can still see an "unnatural"
landsurface elevation change adjacent to where the original stream location appears to have
been.This explains why the area at toeslope of the upland south of the existing stream contains
hydric soils but the area between there and the stream contain hydric indicators deeper in the
soil profile. Soil profile description bh57N is typical of this area. Soil profile description bh66N is
believed to be at a point where the pre1956 stream was originally located. (see the attached
Table 1— Depth to Hydric Soil Indicator and Type for further details).
Blue Plus Signs and Blue Circles- are hydric soil areas containing a depleted matrix (F3) indicator
within 10" of current land surface (these borings may also have had the F19 indicator above the
F3, see the attached Table 1 for details of where this occurred). Soil profile BH15 and bh56A are
representative of these areas.
Green Triangles and Green Circles- are hydric soils areas containing a Piedmont floodplain
indicator F19 within 10" but not a depleted matrix F3 within 10" (these borings may have also
had the F3 indicator below the F19 indicator, see the attached Table 1 for further details). Soil
profile description BH16 is typical of this area.
Indicator F3: Depleted Matrix
Technical Description: A layer that has a depleted matrix with 60 percent
or more chroma of 2 or less and that has a minimum thickness of either:
(a) 2 in. (5 cm) if the 2 in. (5 cm) is entirely within the upper 6 in. (15 cm)
of the soil, or
(b) 6 in. (15 cm) starting within 10 in. (25 cm) of the soil surface.
Indicator F19: Piedmont Floodplain Soils
On flood plain, a mineral layer at least 15 cm (6 inches) thick, starting at a depth <25cm (10
inches) from the soil surface, with a matrix (60 percent or more of the volume) chroma of less
than 4 and 20 percent or more distinct or prominent redox concentrations occurring as soft
masses or pore linings.
3

Table 1 - Depth to Hydric Soil Indicator and Type
Boring Name I Depth to Hydric Indicator I Documented Profiles
BH1 0"- F3
BH2 3"- F3
bh2N 2"- F3
BH3 Non-Hydric
BH4 0"- F3
BH5 0"- F3
BH6 24"+
bh6N 0"- F19,
2"- F3
BH7 8"- F19
bh7N 4"- F3
BH8 6"- F19,
10"- F3
bh8N 14"- F19
BH9 0"- F19,
8"- F3
BH10 0"- F3
bh10N 0" F3,
14"- F3
BH11 0"- F3
bh11 N 0"- F3
BH12 8"- F3
BH13 12"- F3
BH14 12"- F19
bh14N 0"- F3
BH15 0"- F3 Soil Profile#1 -Wehadkee
bh15N 0"- F3
BH16 4"- F19 Soil Profile#2-Chewacla
BH17 0"- F3
bh17N 0"- F3
BH18 0"- F19,
6"- F3
bh18N 2"- F19,
12"- F3
BH19 12"- F19
bh19N Non-hydric
BH2O 4"- F19,
8"- F3
bh20N 0"- F3
BH21 0"- F3
0"- F3,
BH22 4"- F19
8"- F3
BH23 4"- F19,
9"- F3

Table 1 - Depth to Hydric Soil Indicator and Type (Continued)
Boring Name I Depth to Hydric Indicator I Documented Profiles
BH24 6"- F19,
12"- F3
BH25 10"- F19
BH26 Non-Hydric
BH27 6"- F19,
18"- F3
BH28 15"- F3
BH29 4"- F19,
8"- F3
bh29N 0"- F3,
4"- F19
BH30 4"- F19,
7"- F3
bh3ON 0"- F3,
4"- F19
BH31 16"- F3
BH32 3"- F19,
5"- F3
BH33 7"- F3
bh33N 0"- F3
BH34 10"- F3
bh34N 0"- F3
BH35 13"- F3
BH36 4"- F3
BH37 15"- F3
bh37N 5"- F19
BH38 14"- F3
bh38N 2"- F3
BH39 15"- F3
bh39N 6"- F3
BH40 13"- F3
BH41 3"- F3
BH42 6"- F3
bh42N 4"- F19,
7"- F3
BH43 0"- F3
bh43N 8"- F19,
10"- F3
BH44 6"- F3
BH45 14"- F3
bh45N 8"- F19
BH46 9"- F19
bh46N 9"- F19
bh47N 8"- F19,
14"- F3
bh56N 10"- F3
bh56N-A 0"- F3 Soil Profile#4-Wehadkee
bh57N 12" F3 Soil Profile#3-Chewacla
but with buried F3
bh58N 20"- F3

Table 1 - Depth to Hydric Soil Indicator and Type (Continued)
Boring Name I Depth to Hydric Indicator I Documented Profiles
bh59N 11"- F3
bh60N 16"- F3
bh61N 15"- F3
bh62N 19"- F3
bh64N 2"- F3
bh65N 10"- F3
bh66N 14" F3 Soil Profile#5-Chewacla
but with buried F3
bh66N-A 0"- F3
bh67N 15"- F3
bh68N 18"- F3
bh77N 4"- F19,
6"- F3
bh78N 3"- F19,
7"- F3
bh80N 1"- F3
bh81N 14"- F3
bh82N 2"- F3
bh83N 12"- F19, 16"- F3
bh84N 9"- F3

Soil Profile#1/ Boring Location BH15
Hydric Soil Indicator: F3
Series and Taxonomic Class: Wehadkee— Fine-loamy, mixed, active, nonacid,thermic Fluvaquentic Endoaquepts
Horizon Matrix Redox Features
Depth Horizon Color % Texture Notes
(inches) (moist) Color (moist) % Type Location
0-2 A 2.5Y 3/2 95 7.5YR 4/6 5 C PL Sandy Clay
Loam
2-8 Bg 2.5Y 5/2 80 7.5YR 20 C M Clay Loam
4/6&5/8
8-14 C1 2.5Y 6/3 80 7.5YR 4/6 20 C M Loamy sand
14-24+ C2 2.5Y 6/2 70 7.5YR 4/6 30 C M Clay loam

Soil Profile#2/ Boring Location BH16
Hydric Soil Indicator: F19
Series and Taxonomic Class: Chewacla— Fine-loamy, mixed, active thermic Fluvaquentic Dystrudepts
Horizon Matrix Redox Features
Depth Horizon Color % Texture Notes
(inches) (moist) Color (moist) % Type Location
0-1 Ap 2.5Y 3/2 100 D M Sandy Loam
1-22+ Bw 10YR 5/3 70 7.5YR 5/6 20 C M Clay Loam
7.5YR 3/3 10

Soil Profile#3/ Boring Location bh57N
Hydric Soil Indicator: F3 but below 10",technically meets F19 but not believed to be in an active floodplain, Buried hydric due to reshaping and/or
filling
Series and Taxonomic Class: Chewacla - Fluvaquentic Dystrudepts
Horizon Matrix Redox Features
Depth Horizon Color % Texture Notes
(inches) (moist) Color(moist) % Type Location
0-6 A 10YR 4/6 80 7.5YR 5/6 15 Sandy Clay
10YR 5/3 5 Loam
6-12 Bw 2.5Y 5/3 70 7.5YR 5/6 20 C M Sandy Clay
2.5Y 5/2 10 D M Loam
12-18+ Bg 2.5Y 6/2 70 7.5YR 4/6 15 C M Sandy Clay
7.5R 5/8 15 C PL Loam

Soil Profile#4/ Boring Location bh56A—30' south
Hydric Soil Indicator: F3
Series and Taxonomic Class: Wehadkee—Fine-loamy, mixed, active, nonacid,thermic Fluvaquentic Endoaquepts
Horizon Matrix Redox Features
Depth Horizon Color % Texture Notes
(inches) (moist) Color(moist) % Type Location
0-10 A 2.5Y 4/2 70 7.5YR 3/4 30 C PL& M Sandy Clay
Loam
10-14+ Bg 5Y 3/1 95 7.5YR 3/4 5 C PL& M Lt. Sandy Clay
Loam

Soil Profile#5/ Boring Location bh66N
Hydric Soil Indicator: F3 but below 10", Possibly Buried hydric at old stream channel or mixed 0-14" due to reshaping and/or filling,
Series and Taxonomic Class: Chewacla - Fluvaquentic Dystrudepts
Horizon Matrix Redox Features
Depth Horizon Color % Texture Notes
(inches) (moist) Color(moist) % Type Location
0-6 A 10YR 5/4 70 10YR 5/3 15 Sandy Loam
7.5YR 4/6 25
6-12 C 7.5YR 4/4 60 10YR 5/3 15 Loamy Sand
7.5YR 4/6 25
12-14 IIC 2.5Y 5/3 60 7.5YR 4/4 40 C M & PL Sandy clay
loam
14-20+ Ab 2.5Y 5/2 80 7.5YR 4/6 20 C M & PL Sandy Clay
Loam

Project Location
f
—_• Proposed Conservation Easement
II. l�
Potential Wetland Restoration _ R-� , " .I � _
Soil Borings and Hydric Indicators Observed within 10•'of the Soil Surface December 2018 Soil Study '71- 1
A F19
• F3
I F3 Indicator Observed Below 10"but within 18"of the Soil Surface(possible buried hydric soil)
• No Current Hydric Indicator Observed
Soil Borings and Hydric Indicators within 10•'of the Soil Surface March 2020 Soil Study
• F39
• F3
• F3 Indicator Observed Below 10"but within 18"of the Soil Surface(possible buried hydric soil) !
bh2
• No Current Hydric Indicator Observed BH4B
BH6 b :
Typical Soil Profile Locations from January and March 2020 Soil Studies BH3 bh7N bh6N B
Existing Project Streams +bh10N bh11 f-•
A BH9 - r
Sewer Line BH10 h
BH2 BH1
® Manholes • Z/
•�,." F - bh19N it
/ -
41
. kk.-. '-',. „ - , ' '''' '0
L. ( BH14'
d /� Wetland 1
nn 'BH16 BH15
, .... „.0
` I
• . BH18BH46'
i - '•i 9N
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BH19
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` ; bh39N
BH26
BH25
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T.4
'Lr- - J I.
" BH28 bh47N •
`,'7[ bh45N bh46N
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71....LW'
'' �IO •1 "T ..',H40 bh60N - -'- • - - '
C r.,'" • bh61N
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' , bh82N Z
"yr ' °,r-- %. bh83N - ,184N -
-f ` •-' + . + _ . BH35 Z •!
•
T.
' Wetland 4 ---".` AO
2019 AeriafRpotography- ,.
Figure A
I W I LD L AN D S 0 150 300 Feet Soil Investigation Map
�/ ENGINEERING, I I I I I N Oak Hill Dairy Mitigation Site
Catawba River Basin (03050102)
Gaston County, NC

Groundwater Gage Plots
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APPENDIX 6—Categorical Exclusion Checklist and Summary

Categorical Exclusion Form for Ecosystem Enhancement
Program Projects
Version 2
Note: Only Appendix A should to be submitted (along with any supporting documentation) as the
environmental document.
Part 1: General Project Information
Project Name: Oak Hill Dairy Mitigation Site
County Name: Gaston County
DMS Number: 100120
Project Sponsor: Wildlands Engineering,Inc.
Project Contact Name: Kirsten Gimbert
Project Contact Address: 1430 S.Mint Street,Suite 104,Charlotte,NC 28203
Project Contact E-mail: [e-mail]
DMS Pro'ect Mana•er: Matthew Reid
Project Description
The Oak Hill Dairy Mitigation Site is a stream and wetland mitigation project involving stream preservation,
enhancement II, and restoration, wetland re-establishment, and stormwater BMPs. The adjacent land use is currently
agricultural fields that is extensively impacted by cattle grazing and crop land. This project will improve water quality
and ecology in this water supply watershed through cattle exclusion, buffer reforestation, reconnecting streams to the
historic floodplain, restoring stream shape and function, and installation of two agricultural BMPs to treat overland flow
from dairy feedlot.
For Official Use Only
Reviewed By:
8/21/2019
Date DMS Project Manager
Conditional Approved By:
Date For Division Administrator
FHWA
❑ Check this box if there are outstanding issues
Final Approval By:
Z7 aA W 32A2. - 8-20- 19
Date For Division Administrator
FHWA

Part 2: All Projects
Regulation/Question Response
Coastal Zone Management Act (CZMA)
1. Is the project located in a CAMA county? ❑Yes
ElNo
2. Does the project involve ground-disturbing activities within a CAMA Area of ❑Yes
Environmental Concern (AEC)? ❑ No
❑✓ N/A
3. Has a CAMA permit been secured? ❑Yes
❑ No
✓❑ N/A
4. Has NCDCM agreed that the project is consistent with the NC Coastal Management ❑Yes
Program? ❑ No
✓❑ N/A
Comprehensive Environmental Response, Compensation and Liability Act(CERCLA)
1. Is this a "full-delivery" project? ✓❑Yes
❑ No
2. Has the zoning/land use of the subject property and adjacent properties ever been ❑Yes
designated as commercial or industrial? ❑✓ No
❑ N/A
3. As a result of a limited Phase I Site Assessment, are there known or potential ❑Yes
hazardous waste sites within or adjacent to the project area? ❑✓ No
❑ N/A
4. As a result of a Phase I Site Assessment, are there known or potential hazardous ❑Yes
waste sites within or adjacent to the project area? ❑ No
❑✓ N/A
5. As a result of a Phase II Site Assessment, are there known or potential hazardous ❑Yes
waste sites within the project area? ❑ No
❑✓ N/A
6. Is there an approved hazardous mitigation plan? ❑Yes
❑ No
❑✓ N/A
National Historic Preservation Act(Section 106)
1. Are there properties listed on, or eligible for listing on, the National Register of ❑Yes
Historic Places in the project area? ✓❑ No
2. Does the project affect such properties and does the SHPO/THPO concur? ❑Yes
❑ No
❑✓ N/A
3. If the effects are adverse, have they been resolved? ❑Yes
❑ No
❑✓ N/A
Uniform Relocation Assistance and Real Property Acquisition Policies Act(Uniform Act)
1. Is this a "full-delivery" project? ❑✓ Yes
❑ No
2. Does the project require the acquisition of real estate? ✓❑Yes
❑ No
❑ N/A
3. Was the property acquisition completed prior to the intent to use federal funds? ❑Yes
❑✓ No
❑ N/A
4. Has the owner of the property been informed: ❑✓ Yes
* prior to making an offer that the agency does not have condemnation authority; and ❑ No
*what the fair market value is believed to be? ❑ N/A

Part 3: Ground-Disturbing Activities
Regulation/Question Response
American Indian Religious Freedom Act(AIRFA)
1. Is the project located in a county claimed as "territory" by the Eastern Band of ✓❑Yes
Cherokee Indians? ❑ No
2. Is the site of religious importance to American Indians? ❑Yes
❑ No
❑✓ N/A
3. Is the project listed on, or eligible for listing on, the National Register of Historic ❑Yes
Places? ❑ No
❑✓ N/A
4. Have the effects of the project on this site been considered? ❑Yes
❑ No
❑✓ N/A
Antiquities Act(AA)
1. Is the project located on Federal lands? ❑Yes
❑✓ No
2. Will there be loss or destruction of historic or prehistoric ruins, monuments or objects ❑Yes
of antiquity? ❑ No
❑✓ N/A
3. Will a permit from the appropriate Federal agency be required? ❑Yes
❑ No
❑✓ N/A
4. Has a permit been obtained? ❑Yes
❑ No
✓❑ N/A
Archaeological Resources Protection Act(ARPA)
1. Is the project located on federal or Indian lands (reservation)? ❑Yes
❑✓ No
2. Will there be a loss or destruction of archaeological resources? ❑Yes
❑ No
❑✓ N/A
3. Will a permit from the appropriate Federal agency be required? ❑Yes
❑ No
❑✓ N/A
4. Has a permit been obtained? ❑Yes
❑ No
❑✓ N/A
Endangered Species Act(ESA)
1. Are federal Threatened and Endangered species and/or Designated Critical Habitat ❑✓ Yes
listed for the county? ❑ No
2. Is Designated Critical Habitat or suitable habitat present for listed species? ❑✓ Yes
❑ No
❑ N/A
3. Are T&E species present or is the project being conducted in Designated Critical ❑Yes
Habitat? ❑✓ No
❑ N/A
4. Is the project"likely to adversely affect"the species and/or"likely to adversely modify" ❑Yes
Designated Critical Habitat? ❑ No
✓❑ N/A
5. Does the USFWS/NOAA-Fisheries concur in the effects determination? ❑Yes
❑ No
✓❑ N/A
6. Has the USFWS/NOAA-Fisheries rendered a "jeopardy" determination? ❑Yes
❑ No
✓❑ N/A

Executive Order 13007 (Indian Sacred Sites)
1. Is the project located on Federal lands that are within a county claimed as "territory" ❑Yes
by the EBCI? ❑✓ No
2. Has the EBCI indicated that Indian sacred sites may be impacted by the proposed ❑Yes
project? ❑ No
✓❑ N/A
3. Have accommodations been made for access to and ceremonial use of Indian sacred ❑Yes
sites? ❑ No
✓❑ N/A
Farmland Protection Policy Act(FPPA)
1. Will real estate be acquired? ❑✓ Yes
❑ No
2. Has NRCS determined that the project contains prime, unique, statewide or locally ❑✓ Yes
important farmland? ❑ No
❑ N/A
3. Has the completed Form AD-1006 been submitted to NRCS? ❑✓ Yes
❑ No
❑ N/A
Fish and Wildlife Coordination Act(FWCA)
1. Will the project impound, divert, channel deepen, or otherwise control/modify any ❑✓ Yes
water body? ❑ No
2. Have the USFWS and the NCWRC been consulted? ❑✓ Yes
❑ No
❑ N/A
Land and Water Conservation Fund Act (Section 6(f))
1. Will the project require the conversion of such property to a use other than public, ❑Yes
outdoor recreation? ❑✓ No
2. Has the NPS approved of the conversion? ❑Yes
❑ No
❑✓ N/A
Magnuson-Stevens Fishery Conservation and Management Act (Essential Fish Habitat)
1. Is the project located in an estuarine system? ❑Yes
❑✓ No
2. Is suitable habitat present for EFH-protected species? ❑Yes
❑ No
❑✓ N/A
3. Is sufficient design information available to make a determination of the effect of the ❑Yes
project on EFH? ❑ No
❑✓ N/A
4. Will the project adversely affect EFH? ❑Yes
❑ No
❑✓ N/A
5. Has consultation with NOAA-Fisheries occurred? ❑Yes
❑ No
❑✓ N/A
Migratory Bird Treaty Act (MBTA)
1. Does the USFWS have any recommendations with the project relative to the MBTA? ❑Yes
✓❑ No
2. Have the USFWS recommendations been incorporated? ❑Yes
❑ No
✓❑ N/A
Wilderness Act
1. Is the project in a Wilderness area? ❑Yes
❑✓ No
2. Has a special use permit and/or easement been obtained from the maintaining ❑Yes
federal agency? ❑ No
❑✓ N/A

Oak Hill Dairy Mitigation Site
Categorical Exclusion
SUMMARY

Comprehensive Environmental Response, Compensation, and Liability Act(CERCLA)
The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) provides a
Federal "Superfund"to clean up uncontrolled or abandoned hazardous-waste sites as well as accidents,
spills, and other emergency releases of pollutants and contaminants into the environment.
As the Oak Hill Dairy Mitigation Site is a full-delivery project; an EDR Radius Map Report with Geocheck
was ordered for the site through Environmental Data Resources, Inc on December 12, 2018. Neither the
target property nor the adjacent properties were listed in any of the Federal, State, or Tribal
environmental databases searched by the EDR.The assessment revealed no evidence of any"recognized
environmental conditions" in connection with the target property.
The target property, Eaker Dairy, Inc., has an active NPDES permit (National Pollutant Discharge
Elimination System) and an active AOP (Air Operating Permit) associated with the cattle waste lagoon
located on the target property. The lagoon is located outside of the Oak Hill Dairy conservation
easement and will not be disturbed by the stream and wetland mitigation project. The dairy is in full
compliance with their NPDES and AOC permits.
The Executive Summary of the EDR report is included in the Appendix.The full report is available if
needed.
National Historic Preservation Act(Section 106)
The National Historic Preservation Act declares a national policy of historic preservation to protect,
rehabilitate, restore, and reuse districts, sites, buildings, structures, and objects significant in American
architecture, history, archaeology, and culture, and Section 106 mandates that federal agencies take
into account the effect of an undertaking on a property that is included in, or is eligible for inclusion in,
the National Register of Historic Places.
The State Historic Preservation Office (SHPO) responded to a United States Army Corps of Engineers
public notice requesting comment on the Oak Hill Dairy Mitigation Site on July 12, 2019. SHPO stated
they were aware of"no historic resources which would be affected by the project" and would have no
further comment. All correspondence related to Section 106 is included in the Appendix.
Uniform Relocation Assistance and Real Property Acquisition Policies Act(Uniform Act)
These acts, collectively known as the Uniform Act, provide for uniform and equitable treatment of
persons displaced from their homes, businesses, non-profit associations, or farms by federal and
federally-assisted programs, and establish uniform and equitable land acquisition policies.
Oak Hill Dairy Mitigation Site is a full-delivery project that includes land acquisition. Notification of the
fair market value of the project property and the lack of condemnation authority by Wildlands was
included in the signed Option Agreements for the project properties. A copy of the relevant section of
each of the Option Agreements are included in the Appendix.
American Indian Religious Freedom Act(AIRFA)
The American Indian Religious Freedom Act provides for the protection and preservation of places of
religious importance to American Indians, Eskimos, and Native Hawaiians.
The Cherokee Nation Tribal Historic Preservation Office (THPO) commented on the project, July 17,
2019, in response to the United States Army Corps of Engineers (USACE) public notice for the project.
The Cherokee Nation THPO stated they "did not foresee this project imparting impacts to Cherokee
cultural resources at this time." NCDMS requested additional review and comment from the Eastern
Band of Cherokee Indians THPO and the United Keetoowah Band of Cherokee THPO with respect to any
016 Oak Hill Dairy Mitigation Site Categorical Exclusion
kaPi DMS#100120 1

archeological or religious resources related to the Oak Hill Dairy Mitigation Site on June 19, 2019. At this
time, DMS has not received a response from either the Eastern Bank of Cherokee or the Untied
Keetoowah Band of Cherokee.
All correspondence related to AIRFA is included in the Appendix.
Endangered Species Act(ESA)
Section 7 of the ESA requires federal agencies, in consultation with and with the assistance of the
Secretary of the Interior or of Commerce, as appropriate,to ensure that actions they authorize,fund or
carry out are not likely to jeopardize the continued existence of threatened or endangered species or
result in the destruction or adverse modification of critical habitat for these species.
The Gaston County listed endangered species includes the bog turtle (Glyptemys muhlenbergii),the
northern long-eared bat (NLEB) (Myotis septentrionalis),the dwarf-flowered heartleaf(Hexastylis
naniflora), and the Schweinitz's sunflower(Helianthus schweinitzii). The United States Fish and Wildlife
Service (USFWS) does not currently list any Critical Habitat Designations for the Federally listed species
within Gaston County nor are there any current known occurrences of the above listed species within a
2-mile radius of the project site. The project site is located more than 40 miles from the nearest known
hibernaculum for the NLEB. (https://www.fws.gov/asheville/htmis/project_review/NLEB_in_WNC.html).
Results of a pedestrian survey conducted on June 18, 2019, indicated that the project area provides
potential summer roosting for the NLEB and areas of suitable habitat for the bog turtle,the dwarf-
flowered heartleaf, and the Schweinitz's sunflower. No individuals or populations of the four above
referenced species were documented on-site.
NLEB
Wildlands determined the project "may affect, not likely to adversely affect"the NLEB. Forested
habitats containing trees at least 3-inch dbh in the project area provide suitable habitat for NLEB. Due to
the decline of the NLEB population from the White Nose Syndrome (WNS),the United States Fish and
Wildlife Service (USFWS) has issued the finalization of a special rule under section 4(d) of the ESA to
addresses the effects to the NLEB resulting from purposeful and incidental take based on the occurrence
of WNS. Because the project is located within a WNS zone and will include the removal/clearing of trees,
it is subject to the final 4(d) ruling. As previously stated, a review of NCNHP records did not indicate any
known NLEB populations within 2.0 mile of the study area;therefore,the project is eligible to use the
NLEB 4(d) Rule Streamlined Consultation Form to meet regulatory requirements for section 7(a)(2)
compliance 4(d) consultation. The completed NLEB 4(d) Consultation Form was submitted to the
USFWS by the Federal Highway Administration (FHWA) on July 17, 2019.
Bog Turtle
Wildlands determined the project "may affect, not likely to adversely affect"the bog turtle; however, it
is listed due to similarity of appearance and is not subject to Section 7 consultation.
Dwarf-flowered heartleaf and the Scweinitz's sunflower
Wildlands determined the project will have "no effect" on the two listed plant species (dwarf-flowered
heartleaf and the Schweinitz's sunflower).Though the survey was performed outside of the blooming
season for the sunflower, no populations resembling the species were found on-site;therefore,
Wildlands is confident with the determination of"no effect" outside of the blooming season for this
species.
fik, Oak Hill Dairy Mitigation Site Categorical Exclusion
`eo DMS#100120 2

To meet regulatory requirements, a scoping letter requesting comment from the USFWS was sent on
June 14, 2019. No response from the USFWS was received within the 45-day response period.
Therefore,the signing of the NLEB 4(d) Rule Streamlined Consultation Form by the FHWA determines
that this project may affect the NLEB, but that any resulting incidental take of the NLEB is not prohibited
by the final 4(d) rule. A FHWA signed 4(d) Consultation Form and the correspondence associated with
this determination are included in the Appendix.
Farmland Protection Policy Act(FPPA)
The FPPA requires that, before taking or approving any federal action that would result in conversion of
farmland,the agency must examine the effects of the action using the criteria set forth in the FPPA, and,
if there are adverse effects, must consider alternatives to lessen them.
Oak Hill Dairy Mitigation Site includes the conversion of prime farmland. As such, Form AD-1006 has
been completed and submitted to the Natural Resources Conservation Service (NRCS).The completed
form and correspondence documenting its submittal is included in the Appendix.
Fish and Wildlife Coordination Act(FWCA)
The FWCA requires consultation with the USFWS and the appropriate state wildlife agency on projects
that alter or modify a water body. Reports and recommendations prepared by these agencies document
project effects on wildlife and identify measures that may be adopted to prevent loss or damage to
wildlife resources.
The Oak Hill Dairy Mitigation Site includes stream and wetland restoration. Wildlands requested
comment on the project from both the USFWS and the North Carolina Wildlife Resources Commission
(NCWRC) on June 14, 2019. No response from the USFWS was received within the 45-day response
period. Therefore,Wildlands assumes USFWS has no comments regarding associated laws and do not
have any information relevant to the project at the current time. NCWRC responded to the scoping
letter on August 7, 2019 that they have no known records of state or federally-listed rare,threatened, or
endangered species within or near the project area. All correspondence with the two agencies is
included in the appendix.
Migratory Bird Treaty Act(MBTA)
The MBTA makes it unlawful for anyone to kill, capture, collect, possess, buy, sell,trade, ship, import, or
export any migratory bird.The indirect killing of birds by destroying their nests and eggs is covered by
the MBTA, so construction in nesting areas during nesting seasons can constitute a taking.
Wildlands requested comment on the Oak Hill Dairy Mitigation Site from the USFWS in regard to
migratory birds on June 14, 2019.The USFWS has not responded at this time. All correspondence with
USFWS is included in the Appendix.
��; Oak Hill Dairy Mitigation Site Categorical Exclusion
`V DMS#100120 3

North Carolina Department of Natural and Cultural Resources
State Historic Preservation Office
Ramona M.Bartos,Administrator
Governor Roy Cooper Office of Archives and History
Secretary Susi H.Hamilton Deputy Secretary Kevin Cherry
July 12,2019
Kimberly Browning
Wilmington District Corps of Engineers
Mitigation Field Office
3331 Heritage Trade Drive
Wake Forest,NC 27587
Re: Oak Hill Dairy Mitigation Site,Roy Eaker Road and Robert Road, Cherryville, SAW 2019-00833,
Gaston County, ER 19-1969
Dear Ms. Browning:
We have received a public notice concerning the above project.
We have conducted a review of the project and are aware of no historic resources which would be affected by
the project. Therefore,we have no comment on the project as proposed.
The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the
Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36 CFR
Part 800.
Thank you for your cooperation and consideration. If you have questions concerning the above comment,
contact Renee Gledhill-Earley, environmental review coordinator, at 919-807-6579 or
environmental.review@a,ncdcr.gov. In all future communication concerning this project,please cite the above
referenced tracking number.
Sincerely,
124,21_ )-10101-- )-(1%-
tr.Ramona Bartos,Deputy
State Historic Preservation Officer
Location:109 East Jones Street,Raleigh NC 27601 Mailing Address:4617 Mail Service Center,Raleigh NC 27699-4617 Telephone/Fax:[phone]-6599

rpfrfnnr�ii��.l Office of the Chief
1citl, 40. Bill John Baker
44' V_ GWY.B Dar Principal Chief
.fl /� �� CHEROKEE NATIONCli O°E0G0 SS9aaJ
}� �' P.O.Box 948.Tahlequah,OK74465.0948•9/84535000•eherokec.org
S.Joe Crittenden
iss Deputy Principal Chief
`"1 16 d�P &. KG .AEJroW
ii rfbrrt WPJ' DLd'JI O.EOGJit
July 17, 2019
Paul Wiesner
Western Regional Supervisor
North Carolina Department of Environmental Quality
Western DMS Field Office
5 Ravenscroft Drive, Suite 102
Asheville, NC 28801
Re: Oak Hill Dairy Mitigation Site
Mr. Paul Wiesner:
The Cherokee Nation (Nation) is in receipt of your correspondence about Oak Hill Dairy
Mitigation Site, and appreciates the opportunity to provide comment upon this project. Please
allow this letter to serve as the Nation's interest in acting as a consulting party to this proposed
project.
The Nation maintains databases and records of cultural, historic, and pre-historic resources in this
area. Our Historic Preservation Office reviewed this project, cross referenced the project's legal
description against our information, and found no instances where this project intersects or adjoins
such resources. Thus, the Nation does not foresee this project imparting impacts to Cherokee
cultural resources at this time.
However, the Nation requests that the North Carolina Department of Environmental Quality
(NCDEQ)halt all project activities immediately and re-contact our Offices for further consultation
if items of cultural significance are discovered during the course of this project.
Additionally, the Nation requests that NCDEQ conduct appropriate inquiries with other pertinent
Tribal and Historic Preservation Offices regarding historic and prehistoric resources not included
in the Nation's databases or records.
If you require additional information or have any questions,please contact me at your convenience.
Thank you for your time and attention to this matter.
Wado,
41-4 41)4 ,—
Elizabeth Toombs, Tribal Historic Preservation Officer
Cherokee Nation Tribal Historic Preservation Office
el i z ab eth-toomb [e-mail]
918.453.5389

i
R t• _
North Carolina Wildlife Resources Commission K>
Gordon Myers, Executive Director
07 August 2019
Ms. Kirstin Gimbert
Wildlands Engineering
1430 South Mint Street, Suite 104
Charlotte,North Carolina 28203
Subject: Request for Project Review and Comments
Oak Hill Dairy Mitigation Site
Gaston County,North Carolina
Dear Ms. Gimbert,
Biologists with the North Carolina Wildlife Resource Commission(NCWRC) received your request to
review and comment on any possible concerns regarding the Oak Hill Dairy Mitigation Site. Biologists
with NCWRC have reviewed the provided documents. Comments are provided in accordance with
provisions of the Fish and Wildlife Coordination Act(48 Stat. 401, as amended; 16 U.S.C. 661-667e)and
North Carolina General Statutes (G.S. 113-131 et seq.).
The Oak Hill Dairy Mitigation Site is located southeast of the intersection of Roy Eaker Road and Robert
Road in Cherryville, Gaston County,North Carolina. The site occurs within an existing livestock
pasture/dairy feedlot, agricultural fields,and forested area. The project will provide in-kind mitigation for
unavoidable impacts to streams and wetlands within the Catawba River Basin(HUC 03050102). The
project will restore, enhance, or preserve portions of Oak Hill Creek, its unnamed tributaries, and
wetlands. Two stormwater BMP's are proposed for the project to filter runoff from the dairy feedlot.
We have no known state or federally-listed rare,threatened, or endangered species within or near the
project area. The lack of records from the site does not imply or confirm the absence of federal or state-
listed species. An on-site survey is the only means to determine if the proposed project may impact
federal or state rare,threatened, or endangered species.
Based upon the information provided to NCWRC, it is unlikely that stream and wetland mitigation will
adversely affect any federal or state-listed species. However,we recommend leaving snags and mature
trees or if necessary, remove tees outside the maternity roosting season for bats (May 15 —August 15).
We recommend that riparian buffers are as wide as possible,given site constraints and landowner needs.
NCWRC generally recommends a woody buffer of 100 feet on perennial streams to maximize the
benefits of buffers, including bank stability, stream shading,treatment of overland runoff, and wildlife
habitat.
Mailing Address: Habitat Conservation • 1721 Mail Service Center • Raleigh,NC 27699-1721
Telephone: [phone] • Fax: [phone]

Page 2
07 August 2019
Oak Hill Dairy Mitigation Site
Gaston County
The use of biodegradable and wildlife-friendly sediment and erosion control devices is strongly
recommended. Silt fencing, fiber rolls and/or other products should have loose-weave netting that is
made of natural fiber materials with movable joints between the vertical and horizontal twines. Silt
fencing that has been reinforced with plastic or metal mesh should be avoided as it impedes the
movement of terrestrial wildlife species. Excessive silt and sediment loads can have detrimental effects
on aquatic resources including destruction of spawning habitat, suffocation of eggs, and clogging of gills.
Stream and wetland mitigation projects often improve water quality and aquatic habitat. Establishing
native, forested buffers in riparian areas will help protect water quality, improve aquatic and terrestrial
habitats, and provide a travel corridor for wildlife species. Provided measures are taken to minimize
erosion and sedimentation from construction/restoration activities,we do not anticipate the project to
result in significant adverse impacts to aquatic and terrestrial wildlife resources.
Thank you for the opportunity to provide comments. If I can be of additional assistance,please call (919)
707-0364 or email [e-mail].
Sincerely,
Olivia Munzer
Western Piedmont Habitat Conservation Coordinator
Habitat Conservation Program

Kirsten Gimbert
From: Brew, Donnie (FHWA) <[e-mail]>
Sent: Wednesday,July 17, 2019 8:04 AM
To: claire_ellwanger([e-mail])
Cc: Reid, Matthew; Kirsten Gimbert;Jake McLean
Subject: NLEB 4(d) rule consultation - Oak Hill Dairy site, Gaston County
Attachments: Oak Hill Dairy site - NLEB Consultation form 7-17-19.pdf; Oak Hill Figure 1 Site Map.pdf; Oak Hill
Figure 2 USGS Map.pdf
Good morning Claire,
The purpose of this message is to notify your office that FHWA will use the streamlined consultation
framework for the Oak Hill Dairy Site in Gaston County, NC.
Attached is a completed NLEB 4(d) Rule Streamlined Consultation form along with site maps/figures.
Thank you,
Donnie
Notifying the Service Under the Framework
Northern Long-Eared Bat 4(d)Rule Streamlined Consultation Form
Federal agencies (or designated non-federal representatives) should use the Northern Long-Eared Bat 4(d)
Rule Streamlined Consultation form to notify the Service of their project and meet the requirements of the
framework.
Northern Long-Eared Bat 4(d) Rule Streamlined Consultation Form (Word document)
Information requested in the Northern Long-Eared Bat 4(d) Rule Streamlined Consultation Form serves to
(1) notify the field office that an action agency will use the streamlined framework;
(2) describe the project with sufficient detail to support the required determination; and
(3) enable the USFWS to track effects and determine if reinitiation of consultation for the 4(d) rule is required.
This form requests the minimum amount of information required for the Service to be able to track this
information.
Providing information in the Streamlined Consultation Form does not address section 7(a)(2) compliance for
any other listed species.
Donnie Brew
Preconstruction& Environment Engineer
Federal Highway Administration
1

310 New Bern Ave, Suite 410
Raleigh, NC 27601
[e-mail]
919-747-7017
***Please consider the environment before printing this email.***
2

Northern Long-Eared Bat 4(d) Rule Streamlined Consultation Form
Federal agencies should use this form for the optional streamlined consultation framework for the northern long-
eared bat(NLEB). This framework allows federal agencies to rely upon the U.S. Fish and Wildlife Service's
(USFWS)January 5,2016, intra-Service Programmatic Biological Opinion (BO)on the final 4(d)rule for the
NLEB for section 7(a)(2)compliance by: (1) notifying the USFWS that an action agency will use the streamlined
framework; (2)describing the project with sufficient detail to support the required determination; and(3) enabling
the USFWS to track effects and determine if reinitiation of consultation is required per 50 CFR 402.16.
This form is not necessary if an agency determines that a proposed action will have no effect to the NLEB or if
the USFWS has concurred in writing with an agency's determination that a proposed action may affect,but is not
likely to adversely affect the NLEB (i.e.,the standard informal consultation process). Actions that may cause
prohibited incidental take require separate formal consultation. Providing this information does not address
section 7(a)(2)compliance for any other listed species.
Information to Determine 4(d) Rule Compliance: YES NO
1. Does the project occur wholly outside of the WNS Zone'? ❑
2. Have you contacted the appropriate agency to determine if your project is near ® ❑
known hibernacula or maternity roost trees?
3. Could the project disturb hibernating NLEBs in a known hibernaculum? ❑
4. Could the project alter the entrance or interior environment of a known ❑ x❑
hibernaculum?
5. Does the project remove any trees within 0.25 miles of a known hibernaculum at ❑
any time of year?
6. Would the project cut or destroy known occupied maternity roost trees, or any ❑
other trees within a 150-foot radius from the maternity roost tree from June 1
through July 31.
You are eligible to use this form if you have answered yes to question#1 or yes to question#2 and no to
questions 3, 4, 5 and 6. The remainder of the form will be used by the USFWS to track our assumptions in the
BO.
Agency and Applicant (Name, Email, Phone No.): FHWA, Donnie Brew, [e-mail],
919-747-7017
Project Name: Oak Hill Dairy Mitigation Site
Project Location (include coordinates if known): latitude 35.40305, longitude 81.35226
Basic Project Description (provide narrative below or attach additional information):
The Oak Hill Dairy Mitigation Site is being developed to provide stream and wetland mitigation. Wildlands' approach to the
project involves a multi-tiered approach including preservation,enhancement II,restoration,and wetland re-establishment. In
addition,two stormwater BMPs are proposed for the project to filter runoff from the dairy feedlot.The area surrounding the
streams and channels proposed for stream and wetland mitigation is currently agricultural fields, and extensively impacted by
cattle grazing and crop land.The dairy's primary waste lagoon drains to the proposed easement,and much of the floodplain
has been manipulated and ditched for crop drainage. This project will improve water quality and ecology in this water supply
watershed through cattle exclusion,buffer reforestation,reconnecting streams to the historic floodplain,restoring stream
shape and function,and installation of two agricultural best management practices(BMP)to treat overland flow.
Construction of the stream restoration project will include some tree removal(>3"DBH)—approximately 1.24 acres.
1 http://www.fws.gov/midwest/endangered/mammals/pleb/pdf/WNSZone.pdf
2 See http://www.fws.gov/midwestlendangered/mammals/nleb/nhisites.html
3 If applicable-only needed for federal actions with applicants(e.g.,for a permit,etc.)who are party to the consultation.

General Project Information YES NO
Does the project occur within 0.25 miles of a known hibernaculum?(42 miles) ❑
Does the project occur within 150 feet of a known maternity roost tree? ❑
Does the project include forest conversion4?(if yes, report acreage below) ❑
Estimated total acres of forest conversion _ 1.24 ac
If known,estimated acres'of forest conversion from April 1 to October 31
If known, estimated acres of forest conversion from June 1 to July 316
Does the project include timber harvest?(if yes, report acreage below) ❑
Estimated total acres of timber harvest
If known, estimated acres of timber harvest from April 1 to October 31
If known, estimated acres of timber harvest from June 1 to July 31
Does the project include prescribed fire?(if yes,report acreage below) ❑ �]
Estimated total acres of prescribed fire
If known, estimated acres of prescribed fire from April 1 to October 31
If known, estimated acres of prescribed fire from June 1 to July 31
Does the project install new wind turbines?(if yes,report capacity in MW below) ❑ ❑X
Estimated wind capacity(MW)
Agency Determination:
By signing this form, the action agency determines that this project may affect the NLEB, but that any
resulting incidental take of the NLEB is not prohibited by the final 4(d) rule.
If the USFWS does not respond within 30 days from submittal of this form, the action agency may
presume that its determination is informed by the best available information and that its project
responsibilities under 7(a)(2) with respect to the NLEB are fulfilled through the USFWS January 5,
2016, Programmatic BO. The action agency will update this determination annually for multi-year
activities.
The action agency understands that the USFWS presumes that all activities are implemented as
described herein. The action agency will promptly report any departures from the described activities to
the appropriate USFWS Field Office. The action agency will provide the appropriate USFWS Field
Office with the results of any surveys conducted for the NLEB. Involved parties will promptly notify the
appropriate USFWS Field Office upon finding a dead, injured, or sick NLEB_
•
Signature: Date Submitted: 71
4 Any activity that temporarily or permanently removes suitable forested habitat, including, but not limited to,tree removal
from development,energy production and transmission, mining, agriculture,etc. (see page 48 of the BO).
If the project removes less than 10 trees and the acreage is unknown,report the acreage as less than 0.1 acre.
6 If the activity includes tree clearing in June and July,also include those acreage in April to October.

APPENDIX 7—NCIRT Communications

WILDLANDS
ENGINEERING
MEETING NOTES
MEETING: Post-Contract IRT Site Walk
Oak Hill Dairy Mitigation Site
Cataloging Units 03050101, 03050102 and 03050103 (Catawba ESA); Gaston County, NC
DEQ Contract No. 7867
DMS Project No. 100120
Wildlands Project No. 005-02182
DATE: On-site Meeting: Monday,July 22, 2019 @ 2:00 PM—4:30 PM
Meeting Notes Distributed: Wednesday July 24, 2019
LOCATION: 610 Roy Eaker Road (Roy Eaker Road/ Robert Road)
Cherryville, NC 28021
Attendees
Todd Tugwell, USACE
Kimberly Browning, USACE
Mac Haupt, NC Department of Environmental Quality
Erin Davis, NC Department of Environmental Quality
Matthew Reid, DMS Project Manager
Paul Wiesner, DMS
Kirsten Ullman, DMS
Periann Russell, DMS
Olivia Munzer, WRC
Shawn Wilkerson, Wildlands Engineering
Eric Neuhaus, Wildlands Engineering
Jake McLean, Wildlands Engineering
Materials
• Wildlands Engineering Technical Proposal dated 1/9/2019 in response to RFP#16-007704
• Preliminary Hydric Soil Investigation dated 1/5/2019 prepared by Soil & Environmental Consultants
Meeting Notes
1. It was noted that the site scored highly on the scoring form. Wildlands that the site was a high priority
site identified within a local watershed plan.
2. The site walk proceeded from downstream to upstream along the mainstem. Wildlands indicated that
the mainstem would be located away from the existing driveway out into the field to support wetland
hydrology(priority 1)with priority 2 segments at the lower end of the reach to transition to the existing
road crossing.
3. Todd/Mac noted that levees are typical along streams in the piedmont with Chewacla soils and
indicated that Wildlands should consider putting a gage in the existing/proposed near stream area to
document water levels and anticipate potential levy formation on the restored stream.

4. Test pits in wetland 1 yielded shallow hydric indicators, particularly off the existing stream levy.
5. Along mainstem Oak Hill Creek Reach 1 (enhancement 2), in response to IRT and DMS comment about
proposed activities being more typical of enhancement 1 level effort,Wildlands indicated that
enhancement 2 credit is being sought because the treatments are non-continuous in this reach. As an
example, it was pointed out that essentially no channel work is proposed at the top of the reach,
including an area with minor erosion into weathered bedrock. Wildlands indicated that the primary
activity proposed in the reach is stabilizing/grading outside meanders. (As an aside, IRT members
encouraged Wildlands to provide workplan in E1/E2 reaches in the future, as was recently provided on
Dynamite Creek, as they found this helpful in defining the specifics of reach treatments).
6. Evidence of historic drain tiles (wooden) were noted in the bank along this same enhancement 2 reach-
entering from the wetland 3 (left) side of the creek. Shawn noted that he'd seen tiles further
downstream as well.
7. Todd indicated that Wildlands should be aware of the potential buffer impacts of the proposed crossing
at the mainstem reach 1/2 break;the crossing is at a skew to match the skew of the sewerline crossing.
8. Todd indicated that upstream portion of Wetland 3 should be gaged to provide evidence of wetland
hydrology.
9. Wildlands would need to prove proposed wetland 2 is relic within area of deeper hydric soils for re-
establishment. Portions of wetland 2 with deeper hydric soils proposed for grading over 6 inches
without new evidence/justification would likely push into wetland creation with a higher mitigation
ratio. Todd and Mac both commented about the existing data and the borings conducted during the
visit pointing to a higher"risk"that hydric soils would not develop and/or that hydrologic criteria could
not be met. It was stated that design data and post-project data will have to support approach and
presented at the mitigation plan stage for IRT review.
10. Wildlands indicated that BMP 2 would be a depression to capture and treat runoff from feeding and
concentrated cattle use area.
11. IRT indicated that JD on UT1B would be important information in validating approach. Wildlands
indicated that UT1B was added to the project to preserve the source of hydrology against future impacts
should it be left out.
12. IRT asked how Wildlands justifies the restoration approach on upper part of UT1 (near UT1A) pointing to
some stable bed and bench features in the upper portion of the reach. Wildlands responded that the
culvert at the head of the reach is perched, and raising the stream at the top of the project, and moving
to a priority 1 as far upstream as possible, is important to the overall project approach.
13. Obvious evidence of cattle in the creek was noted in UT1.
14. Several discrete invasive species infestations were observed throughout the project area (kudzu,
knotweed, bamboo), including privet throughout the project area.
15. The group walked along UT1A which is slated for restoration and was an obvious wallow pit for cattle
and extremely degraded.
16. In summarizing the site visit,the approaches to project were agreed to with the exception of a section of
wetland 2 which is expected to be classified as creation due to the grading depth required to be
completed to reach hydric layers.
Wildlands Engineering, Inc. page 2
Oak Hill Dairy Mitigation Site
Post-Contract IRT Site Walk

Jacob Wiseman
From: Jake McLean
Sent: Thursday, February 11, 2021 08:49 AM
To: Browning, Kimberly D CIV USARMY CESAW (USA); Tugwell, Todd J CIV USARMY CESAW (US)
Cc: Reid, Matthew;Jacob Wiseman
Subject: FW: Oak Hill Dairy Site/Gaston Co/ SAW-2019-00833
Attachments: Oak Hill Wetland Grading XS 2.11.21.pdf; Oak Hill Wetland Grading Map 2.11.21.pdf; Oak Hill Dairy
Revised Asset Table 2.11.21.pdf; Oak Hill Wetland 1 Grading_revised boundary_2.11.21.pdf
As a follow-up to our phone call last Friday we revisited things on our end and summarizing some of the
discussion, our follow-up efforts and some modifications:
UT1/Wetland 2
We believe our data supports the argument that this was filled. This data consists of(1) LSS report, (2) Sheet
3.3 showing narrow floodplain that doesn't jive with the rest of the valley, (3) historic aerials described by LSS
report.
Lower Oak Hill Creek/Wetland 1
We didn't discuss the sidecast pile next to the ditch in the far left portion of the floodplain. There didn't seem
to be concerns about the approach. This sidecast area accounts for 12,000 sq ft (or—1/2) of the remaining
total cut exceeding 12" in the Wetland 1 reestablishment and rehabilitation areas. We are still proposing this
for reestablishment credit as this is an obvious narrow linear feature along the length of the ditch and we are
not proposing to cut below the natural floodplain elevation.
We discussed the existing left creek bank at the lower end of the project and the LSS borings/boring
map. Predominant concerns were that the map indicates "no hydric indicator observed" and that the removal
of natural deposition or excavation to hydric soils that are not associated with disturbed or relic wetlands does
not constitute restoration.
Wildlands reviewed mapping, soil boring tables, and prepared 4 cross sections that go through the red-dotted
borings (BH19, BH14, BH13/bh19N, BH6/bh8N). Plan and cross section maps (1 & 2) are attached.
Two notes with regards to interpretation of the map-
(1) as stated in the LSS report, red circles are borings where hydric soil indicators were not observed in the top
10" but may have been observed below 10" (boring tables provide details) - 3 of the 6 red-dotted borings have
hydric soil indicators at 12" of depth, 2 have hydric soil indicators deeper, 1 is non-hydric (the LSS defines non-
hydric as indicators >24" of depth).
(2) there was some concern that the areas would be orange if they were buried hydric soils - orange was only
used in the case of Wetland #2 to indicate findings associated with a specific line of investigation associated
with relocation of UT1.
The aerial photo from 1950 in Appendix 1 shows the dredging of Oak Hill Creek and existing topography is
consistent with berms that would have been built up as a result of this effort. It is also noted that the field has
been under a high level of disturbance for decades, with row crops and at times a drainage ditch down the
middle of the valley.The valley contours suggest that berms were used to confine the creek channel and
i

ditches to keep the field dry and the valley itself extends beyond the right channel bank (the creek was moved
to the parcel boundary but not to the valley wall).
However, we acknowledge that our data is insufficient in the area in question to make a stronger argument for
restoration closer to the bank where the berm is higher and cut depths exceed 12" over much of the area. As
a results we have converted 0.50 acres from reestablishment to creation in this area.
The remaining areas of localized grading in excess of 12", apart from UT1 and the left floodplain ditch (which
are significant but discussed above), total to ^'6% of the reestablishment areas. These are mostly areas that we
believe have been built up and which are inconsistent with the natural valley surface and are being graded as
much for floodplain continuity as anything.
Let me know if you have any questions about what we've done here. If you feel that it fairly represents things then
please feel free to forward to Erin or let me know it's ok and I'll send to her.
Thanks for your efforts,
Jake
From: Browning, Kimberly D CIV USARMY CESAW(USA) <[e-mail]>
Sent:Wednesday, February 3, 2021 3:44 PM
To:Jake McLean <[e-mail]>
Cc: Reid, Matthew<[e-mail]>; Wiesner, Paul <[e-mail]>
Subject: RE: Oak Hill Dairy Site/Gaston Co/SAW-2019-00833
Hi Jake
I'm reviewing the Oak Hill Dairy draft mit plan and I was hoping you could provide a table that coincides with the
Wetland Grading figure with a breakdown of areas graded over 12". Perhaps broken out as acres of rehabilitation and
acres of re-establishment, along with percentages. I'm trying to get an overall idea of what percent of the areas
proposed for rehab& reestablishment require more earth moving. Will you also clarify if the deeper cut is due to stream
channel re-alignment and low grade, or is it to unearth hydric soils? I recall the field visit and the discussion of
questionable soils, so I was surprised to see some of the areas proposed for rehab rather than creation.
Also, please confirm whether the utility pole is located within the easement near UT1.
I'll be around most of tomorrow and Friday if you want to discuss. I'd rather get clarity on these questions now rather
than going back and forth with response to comments once the review is done.
Thanks
Kim
Kim Browning
Mitigation Project Manager, Regulatory Division I U.S. Army Corps of Engineers 919-413-6392
Original Message
From: Haywood, Casey M CIV (USA) <[e-mail]>
Sent:Tuesday,January 19, 2021 9:55 AM
To:Tugwell,Todd J CIV USARMY CESAW(USA) <[e-mail]>; Browning, Kimberly D CIV USARMY
CESAW(USA) <[e-mail]>; Davis, Erin B <[e-mail]>; Casey Haywood
<[e-mail]>; Bowers,Todd <[e-mail]>; Byron Hamstead
<byron [e-mail]>;Wilson,Travis W. <[e-mail]>; Munzer, Olivia
2

<[e-mail]>
Cc: Reid, Matthew<[e-mail]>; Wiesner, Paul <[e-mail]>;Jake McLean
<[e-mail]>; Eric Neuhaus<[e-mail]>; Shawn Wilkerson
<[e-mail]>; McLendon, C S CIV USARMY CESAW(USA) <[e-mail]>;
Jones, M Scott (Scott) CIV USARMY CESAW(USA) <[e-mail]>; Smith, Ronnie D CIV USARMY CESAW
(USA) <[e-mail]>
Subject: NOTICE of Draft Mitigation Plan Review/ NCDMS Oak Hill Dairy Site/Gaston Co/SAW-2019-00833
Good afternoon,
The below referenced Draft Mitigation Plan has been posted by NCDMS on the Draft Mitigation Plan Review section of
the DMS& IRT SharePoint Site and on RIBITS. Per Section 332.8(g) of the 2008 Mitigation Rule,this review period will
remain open for 30 calendar days from this email notification. Please provide comments by 5 PM on the 30-day
comment deadline shown below. When providing comments please indicate if your concerns are great enough that you
intend to initiate the Dispute Resolution Process described in Section 332.8(3) of the Mitigation Rule. Comments
provided after the 30-day comment deadline (shown below) may not be considered. This comment period may be
extended at the request of NCDMS if they determine that additional time is necessary to make changes to the Draft
Mitigation Plan.
At the conclusion of this comment period, a copy of all comments will be provided to NCDMS and the NCIRT of the
District Engineer's intent to approve or disapprove this project. More information, including instructions to access and
use the SharePoint Site, and a flow chart detailing the process are included in the updated document attached to this
email notice.
30-Day Comment Start Date:January 19, 2021
30-Day Comment Deadline: February 18, 2021
60-Day Intent to Approve Deadline: March 20, 2021
Project information is as follows:
Oak Hill Dairy Mitigation Site
DMS Project# 100120
Institution Date:4/23/2019
RFQ# 16-007704(Issued: 9/3/2018)
3

Catawba River Basin
Cataloging Unit 03050102
Gaston County, North Carolina
USACE Action ID: SAW-2019-00833
DWR#: 20190863
Proposed Mitigation Project Credits:
4,611.641 SMU (warm)
8.055 WMU (riparian)
Full Delivery Provider: Wildlands Engineering, Inc. -Contact:Jake McLean, [e-mail]
<mailto:[e-mail]>, [phone]
NCDEQ- DMS Project Manager: Matthew Reid, [e-mail]<mailto:[e-mail]>, (828)
231-7912
The full Mitigation Plan has been uploaded to the IRT/NCDEQ SharePoint Mitigation Plan Review page and can be
accessed here:
IRT SharePoint page:
https://ncconnect.sharepoint.com/sites/I RT-DMS/SitePages/Home.aspx
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Please contact the mitigation office if you have questions.
V/r,
Casey Haywood
Mitigation Specialist, Regulatory Division I U.S. Army Corps of Engineers
3331 Heritage Trade Dr, Ste. 105 I Wake Forest, NC 27587 I
BUILDING STRONG (r)
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APPENDIX 8—Invasive Species Treatment Plan

Appendix 8 Invasive Species Plan
Annual monitoring and semi-annual site visits will be conducted to assess the condition of the finished
project.These site inspections may identify the presence of invasive vegetation. If, during the
monitoring period, invasive species threaten the survivability of planted woody vegetation in an area
that exceeds 1%of the planted easement acreage,the invasive species shall be treated. Smaller areas
may be treated at the discretion of the project engineer and biologist, if deemed in the best interest of
the Site. Generally,the treatment plan shall follow the below guidelines in Table 1 for common invasive
species found in riparian areas; however,the treatment may be changed based on the professional
judgement of the project engineer and biologist. For invasive species not listed in the below table that
threaten the survivability of the planted woody vegetation, Wildlands shall notify DMS of the invasive
species observed and the plan for treatment prior to treating the species. All invasive species treatment
will be reported in the following year's monitoring plan.
Table 1.Invasive Species Treatment—Oak Hill Dairy Mitigation Site
Invasive Species Recommended Removal Technique
Foliar treatment of large populations with 4%glyphosate solution. Cut stump treatment is
Multiflora Rose time consuming,though effective. Treat in spring/summer. Biocontrol using viral
(Rosa multiflora) pathogen of rose-rosette disease transmitted by European Rose Chalcid wasp is an option.
Rose-rosette disease is also vectored by native mites.
For stems too tall for foliar sprays, cut large stems and immediately treat the stump tops
Japanese with one of the following herbicides:a glyphosate herbicide or Garlon 3A as a 25-percent
Knotweed solution (3 quarts per 3-gallon mix). ORTHO BrushB-Gon and Enforcer Brush Killer are
(Polygon um effective undiluted for treating cut-stumps and available in retail garden stores(safe to
cuspidatum) surrounding plants).A subsequent foliar application of glyphosate will be required to
control new seedlings and resprouts.
Large trees- Make stem injections and then apply Garlon 3A when safety to surrounding
vegetation is desired,or Pathway* or Arsenal AC* in dilutions and cut-spacings specified on
Tree of Heaven the herbicide label (midsummer best, late winter somewhat less effective). For felled trees,
(Ailanthus apply the herbicides to stem and stump tops immediately after cutting.
altissima) Seedlings and saplings-Thoroughly wet all leaves with the following herbicide in water
with a surfactant(July to October): Garlon 4 as a 1-to 2-percent solution (4 to 8 ounces per
3-gallon mix)or Garlon 3A as a 2-percent solution (8 ounces per 3-gallon mix).
Small infestations of L.japonica can be pulled by hand. Monitor to remove any re-sprouts.
Care should be taken to bag and remove the plants, including mature fruits to prevent re-
establishment. Large infestations of L.japonica will usually require a combination of cut
Honeysuckle stump and foliar herbicide treatments.Where vines have grown into the tree canopy,cut
(Lonicera
each stem as close to the ground as possible.Treat the freshly cut surface of the rooted
japonica)
stem with a 25 percent solution of glyphosate or triclopyr. Remove the twining vines to
prevent them from girdling and killing desirable vegetation. Groundcovers of L.japonica
can be treated with a foliar solution of 2 percent glyphosate or triclopyr plus a 0.5 percent
non-ionic surfactant to thoroughly wet all the leaves.
Thoroughly wet all leaves with one of the following herbicides in water with a surfactant: a
Chinese Privet
glyphosate herbicide as a 3-percent solution (12 ounces per 3-gallon mix) in the late fall or
(Ligustrum
early winter when safety to surrounding vegetation is desired,or elsewhere,Arsenal AC*
sinense)
as a 1-percent solution (4 ounces per 3-gallon mix). Backpack mist blowers can broadcast
glyphosate as a 3-percent solution (12 ounces per 3-gallon mix) or Escort XP* at 1 ounce
per acre (0.2 dry ounces per 3-gallon mix and 10 gallons per acre)during winter for safety
Oak Hill Dairy Mitigation Site Appendix 8
DMS ID No. 100120 Page 1

Invasive Species Recommended Removal Technique
to dormant hardwoods.Summer applications of glyphosate may not be as effective as
other times and require a higher percent solution.The best time for Arsenal AC* and Escort
XP* is summer to fall. For stems too tall for foliar sprays and when safety to surrounding
vegetation is desired,apply a basal spray of Garton 4 as a 20-percent solution (5 pints per
3-gallon mix) in a labeled basal oil product,vegetable oil or mineral oil with a penetrant,or
fuel oil or diesel fuel (where permitted); or undiluted Pathfinder II. Elsewhere,apply
Stalker* as a 6-to 9-percent solution (1.5 to 2 pints per 3-gallon mix) in a labeled basal oil
product,vegetable oil or mineral oil with a penetrant,or fuel oil or diesel fuel (where
permitted)to young bark as a basal spray making certain to treat all stems in a clump; or
cut and immediately treat the stump tops with Arsenal AC* as a 5-percent solution (20
ounces per 3-gallon mix)or Velpar L* as a 10-percent solution in water(1 quart per 3-
gallon mix)with a surfactant.When safety to surrounding vegetation is desired,
immediately treat stump tops and sides with Garton 3A or with a glyphosate herbicide as a
20-percent solution (5 pints per 3-gallon mix) in water with a surfactant. ORTHO Brush-B-
Gon and Enforcer Brush Killer are effective undiluted for treating cut-stumps and available
in retail garden stores(safe to surrounding plants). For large stems, make stem injections
using Arsenal AC* or when safety to surrounding vegetation is desired,Garton 3A or a
glyphosate herbicide using dilutions and cut-spacings specified on the herbicide label
(anytime except March and April).An EZ-Ject tree injector can help to reach the lower part
of the main stem;otherwise, every branching trunk must be hack-and-squirt injected.
Small patches of P. montana that are not well-established can usually be eliminated by
persistent weeding, mowing,or grazing during the growing season.The spread of a well-
established infestation of P.montana can be controlled the same way, but cutting will
typically not kill the roots of larger plants. For vines in tree canopies,cut the vines near the
ground and apply a 50 percent solution of triclopyr to the stumps.This procedure remains
Kudzu effective at lower temperatures as long as the ground is not frozen. Large infestations can
(Pueraria be effectively controlled with a foliar solution of 2 to 3 percent glyphosate or triclopyr plus
montana) a 0.5 percent non-ionic surfactant to thoroughly wet all leaves.The ambient air
temperature should be above 65 degrees Fahrenheit.After the above ground vegetation is
controlled and it is possible to dig and cut into the central root crown,apply a 50 percent
solution of glyphosate or triclopyr to the wound.The most successful chemical control of P.
montana can be achieved with a foliar solution of 0.75 percent clopyralid plus a 0.5 percent
non-ionic surfactant. Monitor all treatments in subsequent years for re-sprouting.
Thoroughly wet all leaves(until runoff)with one of the following herbicides in water with a
surfactant(July to October for successive years): Garlon 3A or Garlon 4 as a 3-to 5-percent
solution (12 to 20 ounces per 3-gallon mix)or a glyphosate herbicide as a 4-percent
English Ivy solution (1 pint per 3-gallon mix). Use a string trimmer to reduce growth layers and injure
(Hedera helix) leaves for improved herbicide uptake. Cut large vines and apply these herbicides to cut
surfaces. Or apply basal sprays of Garlon 4 as a 20-percent solution in a labeled basal oil
product,vegetable oil, kerosene,or diesel fuel (where permitted) (5 pints per 3-gallon
mix); or apply undiluted Pathfinder II to large vines,avoiding the bark of desirable trees.
Recommended control procedures:
Thoroughly wet all leaves with one of the following herbicides in water with a surfactant
(June to October with multiple applications applied to regrowth).
Johnson Grass • Recommendation for mature grass control: apply Outrider* as a broadcast spray at 0.75
(Sorghum to 2 ounces per acre(0.2 to 0.6 dry ounce per 3-gallon mix) plus a nonionic surfactant to
halepense) actively growing Johnsongrass. For handheld and high-volume sprayers,apply 1 ounce of
Outrider per 100 gallons of water plus a nonionic surfactant at 0.25 percent. Outrider is a
selective herbicide that can be applied over the top of certain other grasses to kill
Johnsongrass,or apply Plateau as a 0.25-percent solution (1 ounce per 3-gallon mix)when
plants are 18 to 24 inches(45 to 60 cm)tall or larger.
Oak Hill Dairy Mitigation Site Appendix 8
DMS ID No. 100120 Page 2

Invasive Species Recommended Removal Technique
• Recommendation for seedling control: apply Journey as a 0.3-percent solution (1.2
ounces per 3-gallon mix) before Johnsongrass sprouts and when desirable species are
dormant or apply a glyphosate herbicide as a 2-percent solution (8 ounces per 3-gallon
mix)directed at the infestation.
Foliar applications—Thoroughly wet all leaves with one of the following herbicides in water
Asian Spiderwort, with a surfactant:2-3%aquatic labeled glyphosate.
also known as
Marsh Dewflower Do not remove mechanically.Spiderwort spreads readily in disturbed areas through
(Murdannia kiesk) fragmentation and seed dispersal.
Bamboo Mechanical removal during construction will be the primary method of treatment. For
(Phyllostachys post-project treatment,wet leaves with Arsenal AC as 1-percent solution (4 ounces per 3-
sand Bambusa gallon mix),glyphosate herbicide as a 2-percent solution (8 ounces per 3-gallon mix)or
combination of the two.Treat resprouts.Also effective is cut and treat using double-
sPP') strength batch of same herbicide(s).
• Oak Hill Dairy Mitigation Site Appendix 8
DMS ID No. 100120 Page 3

APPENDIX 9—Site Protection Instrument

Appendix 9 Site Protection Instrument
The land required for construction, management, and stewardship of this mitigation project includes
portions of the Eaker family parcels listed in Table 1.These properties are optioned for purchase of a
conservation easement by Wildlands Engineering, Inc. (Wildlands). Wildlands will record a conservation
easement on the parcels to encompass the streams and wetlands being restored, enhanced, created
and preserved along with their corresponding buffers. A Temporary Access and Construction Easement
will also been signed by the Lineberger family, which will allow Wildlands to relocate the stream
channel,fill the old channel along the Lineberger/Eaker property line and make culvert grade
modifications as necessary.
Table 1:Site Protection Instrument—Oak Hill Dairy Mitigation Site
Memorandum of
Under Option/Temporary
Access and
Parcel ID Option to Acreage to be
Property Owner County Conservation
Number Purchase by Easement Protected
Wildlands? Deed Book(DB)and
Page Number(PG)
2691900380
Cameron Rusty Eaker,Jr. 2691708250 DB: 5017
and Cameron Rusty Eaker, Gaston Yes 18.81
2690798897 PG: 1617-1623
Sr. 2690891706
Harold R. Lineberger&Wife 3601000464 Gaston Yes2 N/A N/A
Patsy E. Lineberger
1 The original acreage has been increased and a revision to the option agreement signed for the new acreage.
2 Wildlands has a signed agreement for option to purchase permanent easement or utilize land for temporary
access for the purpose of construction.At present,only temporary construction easement is anticipated on
Lineberger.
All site protection instruments require 60-day advance notification to the USACE and or DMS prior to
any action to void, amend, or modify the document. No such action shall take place unless approved by
the State.
Oak Hill Dairy Mitigation Site Appendix 9
DMS ID No. 100120 Page 1

APPENDIX 10—Maintenance Plan

Appendix 10 Maintenance Plan
The site shall be visited semi-annually and a physical inspection of the site shall be conducted a
minimum of once per year throughout the post-construction monitoring period until performance
standards are met.These site inspections may identify site components and features that require
routine maintenance. Routine maintenance should be expected most often in the first two years
following site construction and may include the following:
Table 1. Maintenance Plan—Oak Hill Dairy Mitigation Site
Component/
Maintenance through project close-out
Feature
Routine channel maintenance and repair activities may include chinking of in-stream
structures to prevent piping,securing of loose coir matting, and supplemental installations
of live stakes and other target vegetation along the channel—these shall be conducted
where success criteria are threatened or at the discretion of the Designer.Areas where
Stream storm water and floodplain flows intercept the channel may also require maintenance to
prevent bank failures and head-cutting. Beaver activity will be monitored and beaver dams
on project streams will typically be removed,at the discretion of the Designer,during the
monitoring period to allow for bank stabilization and stream development outside of this
type of influence.
Routine wetland maintenance and repair activities may include supplemental installations of
Wetlands target vegetation within the wetland.Areas where storm water and floodplain flows
intercept the wetland may also require maintenance to prevent scour that adversely and
persistently threatens wetland habitat or function.
Vegetation shall be maintained to ensure the health and vigor of the targeted community.
Routine vegetation maintenance and repair activities may include supplemental planting,
Vegetation pruning, mulching,and fertilizing. Exotic invasive plant species requiring treatment per the
Invasive Species Treatment Plan (Appendix 8)shall be treated in accordance with that plan
and with NC Department of Agriculture(NCDA) rules and regulations.
Site boundaries shall be identified in the field to ensure clear distinction between the
mitigation site and adjacent properties. Boundaries may be identified by fence, marker,
Site boundary bollard, post,tree-blazing,or other means as allowed by site conditions and/or conservation
easement. Boundary markers disturbed,damaged,or destroyed will be repaired and/or
replaced on an as-needed basis.
Oak Hill Dairy Mitigation Site Appendix 10
DMS ID No. 100120 Page 1

APPENDIX 11—Financial Assurance

Appendix 11 Financial Assurances
Pursuant to Section IV H and Appendix III of the Division of Mitigation Service's In-Lieu Fee Instrument
dated July 28, 2010,the North Carolina Department of Environment and Natural Resources has provided
the US Army Corps of Engineers Wilmington District with a formal commitment to fund projects to
satisfy mitigation requirements assumed by DMS.This commitment provides financial assurance for all
mitigation projects implemented by the program.
Oak Hill Dairy Mitigation Site Appendix 11
DMS ID No. 100120 Page 1

APPENDIX 12—Preliminary Plans

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Title Sheet 0.1
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; -�• Project Overview 0.2
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General Notes and Symbols 0.3
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Vicinity Map UT3 Crossing 6.3
Not to Scale Fencing and Gate Plan 6.4
Project Directory
E
Engineering: Owner:
_ Wildlands Engineering,Inc NCDEQ NC DMS
PRELIMINARY PLANS License No.F-0831 217 West Jones Street,Suite 300A
BEFORE YOU DIG! 167-B Haywood Rd Raleigh,NC 27603
CALL 1-800-632-4949 ISSUED March 22, 2021 Mathew Reid
N.C.ONE-CALL CENTER Asheville,NC 28806
IT'S THE LAW! 828-231-7912
Jake Mclean,PE,CFM
828 774 5547 NCDEQ Contract No.7867
Surveying: DMS ID No. 100120
31 Kee Mapping and Surveying,PA E o a
88 Central Avenue USACE Action ID No.SAW-2019-00833 o r—{
Asheville,NC 28801
Phillip B.Kee,PLS
828-645-8275 v -
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CAMERON RUSTY EAKER,SR. ',)47L7'77).;77;,/7/i- 24,7 '' 8 .---,
' • 222')'2,; r 4)(22)2('WI; rj% r;/222-/27/ J i,' 2'2%r 7„I-';'77)22)/ 2:2)22/27-2.2272'2,22-27222:7-221S-22/72-22
PIN.2691-70-3338 A--- ---------,' `-'?'''''''''''''''', '','-'-',--‘:-.- rap, r, ‘,, _____ --- _----_--SHErf 2. 722 45/ ' " 222)7,7222A,72222
1 DB 4821
PB 71 PG• ___-;'
58(LOT 6) r;)1,I,I,',2;',",1" SHEET,2•7 ; ;),„"2_^-7')AT,ArSOL...-2,.....0.7‘4 , w 212_,___-,-_-_-,--,-_„__,-.-.,,,,A)-1-1.,.....)...,...:r. _:,..._... . _ .•,_ ,,,, .... ., , ,,..--- , „.__,„, ,,
a - , __„- ,'f',''',1,',\\'‘,\‘''I, ), ,' , : \-\ ':,-- ‘,.-- ,---,1-7.)11A: :::-;tif,:%, ------ ••'"--. .. I .----/,,,:-,4-, ,-- ',.i..,_,,:_'._:::-„,_-,-",,-----;‘,.. -_:. ---T-, ' ,---------,:) ''')-----: ' --A4S, ',Ii I f r
STA 200+05 ,,r 1); 11\22. ',..- --7222, STA 104+99
)72 7
-- BE-G--IN-REACH 1
R2 EST•,',ORAT,2,I,,-O,,-N A,% \\ / ,itticli,_-.--. kz772_2_22T.T2-_,S--_-_7_:,;2,2-2-c,2:- PPIPir
V-,1
11', 5,\)2\2; I2NT'2\"\ER0.),,N',AI L'EASEMENT
,CROSSING
KIPP i,SIN11jG
KIPP H.RAYFIELD&WIFE ,
JEANERAYFIELD STA i
--2_-2,-
).--
.l•-•)__‘_ „IL ......_ ...,_,„re,._-_---t__.,__:_ -__ _____-;-,,,,,,,,,,,----_tr-&-4-f•T__,•_-z-,,,,=-----_,,,-;:",--,4,--__,,,----,-_,----_--------__-----:::: _______ -_,--_-----=_''
OAK HILL CREEK
=---------------------------z-;= - -,= ==i--n:=-_ ,-,W=r-----------===--- ---="--------------- -
:.-- --.--__ ,..,-,---7t.--_-_-,- _ _:-;-_ -,_-_-,_-,-----,ss,--,,_==u---irr_---g„,,,,,s-,-,, ,,g=',-,:fm,=-,m. „,-,,-,,,, ==,==E---______"--_-:----------_--j--,==1--_---- END REACH 1-ENHANCEMENT I
DB 2_612 7371 2222 2 7")
BEGIN ENHANCEMENT II 1,4,44kvA,-"- / ' (,'''';' --:,- --------------- ,----;"' '''''''-'"-------- - aEl----1.= -7- 1---1-cr----:--- -'5';',',:-------'-'',:-•- " t"-:-'f,----:---- -cj------7------_--I:-__-_--=-------'--------------.' 2 RESTORATION
>, --,, '', ' ' '<, ,,,,,,',------,,,,,-----,-..---:=-----_-,-:STA:3+10 r .
•S 27-2222-2222 22------:7-22-2-2 222 22,2 7----2722, -22-2 Sirilk,„it, , -'j ,,,,„„H,,,-,' V-,;-,,,--.2,-_==,-_---;,,,',%,%,'",=,=-M.uT1B
-`7'- -------.1;-2---•----'''-'''-'11 -:" --r-------- -=-:-.' "" -,---''''' - '-'A'''','('; '('' ,'1\(-.,''-''‘71k', '' ''''''',-=-- --'1'-'3'(---",- ='; '.,':', ,,,'END ENHANCEMENT II ii).-.5422)-2-22-22'siEi--22-22 2,2222222222-222222222.222,2",222-2-22---j)---2-
-_-_-_-----,-;-__=-,--::-.-----::::- _-_-_,--;-_,-;,---- ,-,_ / ‘‘;"i,- i ,,, , ,) N,,-,,) .„-_-_,,,,,,-'w--,2--- ,:.-----..-- ---:•=----, /,-4,,,,';,,,,,,,,,,,,,---_,,,_----=-_-,-.---:.,-,-_-,-,,,-;-.,.,::-_,-,-_-_-__=±--__-__-_-_::_=-J, ;;-, ::.-.---,,,:_.--,,-,-,\--,,,,:‘:;.,-;,,, ._:: -_-.J:--_.:--,-,,-..--s-:-:-_-:_-_-':--- ---',-.----_,----_-__:---_-_--z..------.---;:,-- -,: ‘‘..--,‘:;,,\,‘,,,,,,,,, ,-,c„ ____ ,,,), .c, , - ‘,„0,k,,s:sv , ;,,\%,\,,•:\‘‘,,,;,‘;'‘-‘,,‘,‘,s,,‘',,,,,,‘,,,,'':‘,\,0'
,,, --;---;,1i-i-.1-:--_-1-------_---',-,s- 2-,..---_-_--_---?-,_•:-_ZiATO,,,,,v,yr, ,,,---_-_-,-- -,:,:, ,,,,17-_--i-i-i-=_-_=E-i_-_-_-_-----_-,- ,.- --__,:_ -----.-.„ ,,‘,,,,,s‘;‘,,,;,,,,,,,,;',::-_. _-_----'2=----=-----_----____,-,-.-,--:,-. „-------:---_ -'-*:-.',- ,:',:-2 ,, .-- .., ,,,\ 4,, ,,*‘',',,,,',,,,\An'' ‘'',' '‘‘ '''' N 2 N
,, \,,'.\___ co, _ _-_,,,0,yzi,,, ,'; ,; _,•-_-_-_fsi_s=-±_--r-_ -',')--;:::::72-,,,:7,1---=--2;),:•‘‘••‘,,,)‘0)•,„ .---:__:--)i-iii-:). ,:).-*--••.- )T----_-- ',- ---.•-•.).,•••,,•.••,••., -•,,,,,,,s,•-,•,-• --- -\-,..,\ -,),, • --_,,..,2" '•4 ,,A,•,),')\•-•,\y‘‘, -,..)-,,,•))0,-)"' ,- -
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cc,s. '').---f--)-_-"--i--)::"-__-__'-',. --,..,_--'_T.--)---'--,,••-•,,,-v) .--'--)ri-,,,l''''' fl"---,7:77,-'_2",-) ------_-:,-,;;;--/--).)-'' w-;•:---- - - :),--)- ---)')-z.,)) 2')' ' '/'11H((r'i CAMERON RUSTY 72 22-122,„222.22.222227227/2-2222.22 -222222‘2222.222)2,22,22 222222222:2_222 2/22/222,22,22--- -_22-2272-2222,)/222-2,22-2,222,2222,2222222222)22222222222t,2,22,27 7,4(.\,._,,,s: 2,) ‘'.•••'.. ......_.),,:,,•,,,,,,,,2`,,,,,,,22‘,V,2`,),‘"2222,22‘22,;2,-),222.,))2222,2
' ' )\')
`,,E.; rr")•-__'-2-2722.--,27-222222:---2-22,2222 -1----7,22; MICHAEL W.WHITESIDES& ,\As,,"_ ',A'__,.-_-_=-7--_-_ ,22'22 2'222222----7222.22222-222/ /2;)))/,2,22'2222-2)2,'2 222272'2.2222,, \n_\\ 2/'s2 '4,;‘)`),``‘,,.‘
WIFE
227•)\,10.• , 7)c7-A-m77EN7RUG:F(Y EA'KR;,3R.&[‘;,‘"i", PIN 2690'89'1706 ''")) .")"227,22.-2,22-2-212-211-2_222_222-2227:212-222'22"222222222222]2-22--2221",.2222-7-2227.2)2-2222-222-7222,2222221:22-2-2,;227-22-722-222-2222;2"2`;2,;;/2.;"2222222222]<2,2222.2•22,")2,‘2".]:r2,222-2)U0'; 22 _, '' 222)2'22;11,:,,',,),,,,,22212:‘2,`22),‘,222,2222222-2222 .
27.) _
2--2 222---- 22-_,2222- 22222-; LAUREN W.WHITESIDES 22722
- = 2
;7' CAMERON RUSTY EAKER,SR. ,,DB23262 PG 477_ 2.472-2,27- 2221 2:22:- 222-22222‘2,2<22;227'22 ,22-_ 222-222222,22.2_222-222-272222/7222- OAK HILL CREEK ..,'2---')--`2-;;;202",",•\2",--2-2,,,-
L' ,2-277722,232-22-2-222))-22-42-22722222 PIN. 'n_r",,, PIN 2690-79-8897 -2212- --2 2 "22222; ‘‘',22-_--22:2722----12-.2-------2222-2-222)-27_22-22-22--2272.2.,22-2 STA:100+10 ' r , ........ -
' '- --%- ' 2)2__) 24))2,`"r""r2
•. 22_222'72"222-222-22-222":2'227-27 2 2- DB'4786 PG 363 ----:'-',';k It-- \),,,'),`,) , ,, ,,Z,:,-t_ _, ,_____,-,, __:.__„,v,_,,\,,,\„ ,,.._ __ „„,__,________:,,,_____=_______.:,: ,__T__T_ ,=:-__r__ _,:: ,1
100' 200' 300' 2 .•2, LE). 6 .''
PORTION ORFADCBr4s9ix) , i / _._,
--F-,
-1.--------,--7.' ::-:11,--,r:-_-__--.1:',:::`'s•,':','...` BEGIN REACH 1-ENHANCEMENT I
(HORIZONTAL) .1
Oak Hill Creek

/ V
PROJECT NOTES:
Topographic survey was completed by Kee Mapping and Surveying,PA in July 2019.
Parcel boundary survey completed by Kee Mapping and Surveying,PA in October 2019. cn
Conservation easement survey completed by Kee Mapping and Surveying,PA in October 2020. Q
0 o�o
Topographic data supplemented with Lidar data from Feb-April 2017. ,Z x g i
Z go, no
Riffle selection will be varied based on available materials at the Engineers'discretion.Field w 'F,z 2
coordination will be required. Z x
- ,,l
iZ `,¢`"
' .'."..".••••• )..,..s
m
* uuuoo�
Ct
O
O rt O
U E
Existing Features Proposed Features Proposed Structures
o rt
Existing Thalweg CE CE CE Proposed Conservation Easement z � �,•i
10+00 Proposed Various Constructed rt
Existing Property Line — I — Proposed Thalweg Alignment Riffles Per Plans cn
See Sheet 5.1 i------100 Existing Major Contour —••••—••••—••••—••••—Proposed Bankfull •�
rO. pZ;�: Proposed Brush Toe S Z
ExistingMinor Contour •• Proposed Major Contour ,,�,4�I,�,j See Sheet 5.3
ow ow ow ow Existing Overhead Utility Proposed Minor Contour V
+ + + + Proposed Bank Roughening g
• Existing Power Pole ill . ' Proposed Fence and Gate + + + + See Detail 2,Sheet 5.4
x x Existing Fence x x Proposed Fence Removal ft Cn
0 ft
r r�
z 1VAAAAAAAAAAAAAA'I Existing Storm Pipe I I Proposed Geolift
V
Proposed Permanent Ford Crossing See Detail 1,Sheet 5.4
° ° a 1 Existing Gravel Road -f1 See Sheet 6.1
Proposed Log Sill
_ ,a ALL Ala ILL ALLExisting Wetland — — — — i See Detail 2,Sheet 5.2
Proposed Stream Crossing-Culvert
/ — — — — See Sheet 6.2&6.3
0 Existing Tree
E °f Proposed Rock Sill
Proposed BMP Area See Detail 1,Sheet 5.2
_ Existing Concrete\Riprap 7 V V V V V �O �O
O
Existing Building _ -- Proposed Floodplain Roughening 0 Proposed LogJ-Hook
r— _ See Detail 2,Sheet 5.4 31== See Detail 4,Sheet 5.2
Existing Treeline
Existing Groundwater Gage Proposed Log Vane
See Detail 3,Sheet 5.6
Existing NCDOT Right of Way
B ——TB TB—— Existing Top Of Bank c
Proposed Tree Removal
a ,1,o BB BB BB Existing Bottom of Bank r�1 /►�
SS SS Existing Sanitary Sewer ,IF o Cr J
4 Proposed Tree Save
-SSE SSE SSE Existing Sanitary Sewer Right of Way O
�N
., E m m
x` ^ O c O U :j

/ V 1
= og'ro
t)1_ w � 5z
- 23.0' - Q 6 m 1 I
- 20.0' -
7.00' - 4.5' 4.5' 7.00' '"
5.75' ,I- 4.25' ,I-- 4.25' --I- 5.75'
3, 1.9' 2.2' 3;1 . :2 2.3' 35.1
1 PROPOSED
BANKFULL PROPOSED
PROPOSED PROPOSED BANKFULL
GRADE GRADE ,OP Yam7,404
Oak Hill Creek Reach 1 -Riffle Oak Hill Creek Reach 2-Riffle -.. `� �'
STA 100+10 to 105+53 STA 105+53 to 110+23 Q"7 °-:
Not to Scale Not to Scale ` `'do. ` vim:
26.5' - - 31.0'
- 9.3' 1 2.5' - 14.8' - - 9.3' — 5.8' — 16.0' -
VARIES r 3.0' 1 �(
r-I
_...._...._...._...._...._...._...._...._...._...._...._...._...._...._. .... ...._...._...._...._...._...._...._...._...._...._...._...._...._...._...._...._.... CIS O N
0.3' O C-1
2•S.1 4.0' A'.
U -
PROPOSED AA PROPOSED PROPOSED
BANKFULL GRADE BANKFULL 2'51 •�s�I i_ POOL DEPTH 0
I
VARIES BASED O
} ON PROFILE PROPOSED Z
4.0'-4.5' GRADE Cf)
2.6' \
•c U ,
Oak Hill Creek Reach 1 Meander Pool Oak Hill Creek Reach 2 Meander Pool Q _
0
STA 100+10 to 105+53 STA 105+53 to 110+23 :� H
= U
Not to Scale Not to Scale x
ryi c�
0 O
3 O 1
ecc
ccl - 29.5' -
E - 13.5' 1 r
2.5' 13.5' -
.i.4.5'
'1.. g:1
PROPOSED
BANKFULL PROPOSED
GRADE
a
o"
x
0 0 0 W
Oak Hill Creek Reaches 1 &2-In-Line Pool
STA 100+10 to 110+23
Not to Scale
X m m,
z _ q 1
o _a n
J

i v
Q
25.0'
_...._...._...._.. .._...._..�._...._...._...._...._...._ .._ zI—lI " pi�i
- 8.0' 4.5' 4.5' - 8.0' - el 1vNzQ� mx v_
Z Ha
35,I 2.5' 2.8'
35.1 PROPOSED
BANKFULL
PROPOSED
GRADE
Oak Hill Creek Reaches 3&4-Riffle ,,,,,,, ,,„
STA 110+23 to 123+73 ���e... •N.bJ jG
Not to Scale �o- ..
- 35.0' -
- 8.1' - 13.4' - 13.5' -
-1 VARIES r 3.0' 1
czt
0.3 2.7' ••-i `�
PROPOSED 3'1 4 0' 5-.1
BANKFULL 00' rt
0 U
I I 1. a--)
MqI i POOL DEPTH ,. cy
PROPOSED b.()VARIES BASED ON O
PROFILE4.0'-5.0' GRADE , O .y
2.0' 4.2' 2.0' Z
cn
Oak Hill Creek Reaches 3&4-Meander Pool I )
STA 110+23 to 123+73 Q 0 E
Not to Scale = U
x
3 O 1
31.5'
E
9.0' ...... 13.5' ...... 9.0'
3.0'
3.1
PROPOSED 1 PROPOSED
BANKFULL POOL GRADE
M'q-I' .Py. DEPTH
�' VARIES
BASED ON
- 4.0' 5.5' 4.0' - PROFILE
0 4.0'-5.0' ,-Q°'
,c N
Oak Hill Creek Reach 3&4-In-Line Pool L •
STA 110+23 to 123+73
Not to Scale
E
v Z 9 v
o
` J

i v
5.5' q
17.0' - 4 1�rN o'
o�
1.75' - -2.0 ' - 1.75' el
a IvHz
5.25' 1 3.25' - 3.25' 5.25' Z x p v
I-I� m v ..
1 w r,' 6Ha
1 1.8' 1.5' 35' PROPOSED 1 } 2 BANKFPROPULL
GRADE PROPOSED,
PROPOSED GRADE
BANKFULL
ll
UT1 -Riffle UT1A-Riffle ,°�?-"� �b�'.
STA 200+05 to 221+11 STA 300+08 to 304+91
Not to Scale Not to Scale d mVc°2
%-N Q .Q 4.
Si tttttttttt
23.5'
7.5' 6.0' ...... 10.0'
VARIES 3.0' 9.0' -i�-,
4.5' 4.5' ;7
0.3' PROPOSED
•
J •.1 2 5 PROPOSED 1.7''2.0' U
BANKFULL -i U
BANKFULL PROPOSED Ct
PROPOSED
�I 01 POOL GRADE V
,�
GRADE DEPTH O
VARIES
BASED ON '`' 'i Cn
2.0'--2.0' -2.0' 2.SOF3L5' ;,PRE �1
H
UT1 -Meander Pool Q
STA 200+05 to 221+11 UT1A-In-line Pool U E.
Not to Scale STA 300+08 to 304+91
Not to Scale Q
ecc
23.5'
E 7.0'
10.5' - 2.5' 10.5' - 2.0.�10'� 4.0'
PROPOSED ••• •1.0' ... PROPOSED
BANKFULL GRADE
3.5'
PROPOSED 3'1 31
BANKFULL
a
PROPOSED
GRADE
UT1A-Meander Pool
STA 300+08 to 304+91 o
UT1 - In-Line Pool Not to Scale s o Cr)
t' STA 200+05 to 221+11 •
Not to Scale
E
v Z � 3 9 v
` A a` O
` o J

i v
Q
ZoNo
el
1 ),,5w
Q6 xv1
r VARIES 1- w ti6Ha
_ _, VARIES , $�
2.4' 3.2' 2.4'
4 h 2.0'--1 2.0 �2.0' ..1 4:1 TIE TO PROPOSED 4;1 AA TIE TO PROPOSED
""-"' FLOODPLAIN AND 0$, FLOODPLAIN AND
PROPOSED Z. 1.00' 1 WETLAND GRADING 3'1 1 3;1 WETLAND GRADING
(BOTH BANKS)
BANKFULL PROPOSED (BOTH BANKS)
GRADE PROPOSED PROPOSED
BANKFULL GRADE
O �i
UT2-Riffle =o P` ma`s`\").
STA 2+24 to 4+46 UT3-Riffle - OL Ap
Not to Scale 444%
STA 300+32 to 302+85 ..ccf,-` G c
Not to Scale • ; �;�`�
SuuuO
6.0'
12.0'
10.0'
4.0' 7.0' 11.01- 4.0' ..
cn O
23:2 .0' 1 APPLY SAME TIE IN ZO 1 APPLY SAME TIE IN
PROPOSED AS FOR RIFFLE AS FOR RIFFLE
BANKFULL PROPOSED SHOWN ABOVE PROPOSED PROPOSED SHOWN ABOVE U
GRADE BANKFULL GRADE
H O
UT2-Meander Pool Z
STA 2+24 to 4+46 UT3 Meander Pool
Not to Scale STA 300+32 to 302+85 r N Ct .�
Not to Scale Q O
•,—i
U
O
3 O 1
ccl
ggg
ecc
13.0'
12.0' I- 6.0' 1.0'� 6.0'
r 6.0' 6.0' 1
3:1 2.0' 1 APPLY SAME TIE IN
3,1 2.0' 3:1 APPLY SAME TIE IN 3'
PROPOSED AS FOR RIFFLE AS FOR RIFFLE
BANKFULL SHOWN ABOVE PROPOSED PROPOSED SHOWN ABOVE
PROPOSED BANKFULL GRADE
Fg GRADE
a
UT2-In-line Pool
UT3 In line Pool
STA 2+24 to 4+46 N V
° Not to Scale STA 300+32 to 302+85 o
cl Not to Scale Zg s �{
o
gg
1. 1
X
v Z � 9 v
` A O 9 a` OO U
` o 1

C 810 810 v
0' 2' 4' 6'
cA
(VERTICAL) (n
q
0' 20' 40' 60' Z
(HORIZONTAL) el
O N o
U W
u 0
805 805
ti o co o PROPOSED BANKFULL
o °o o
+ of o of , - m - z
o �' o O1 a-'^ O1-`^ o-o �n o
+ W + W N N lD N
¢_> ¢ > o m o m U
+ m o m o+_o m_o_o
LIJ
m m ^' mw .ti ti N_ww ¢ >v~i w ��
... —..............—.... L" w `CA w N w o?i'` L" '+idtj.
800 — - •---••.._. 800 �°w m�
-0.8% �4 uuutot�
-1.1%
-
STA:100+10 /� -1.0%
BEGIN OAKl.l
HILL CREEK \� / \� ----�`--`
STA=101+65
STA=100+50 ELEV= 797.00 1 —\
j
PROPOSED GRADE STA=102+41
STA=101+83 STA=103+07
ELEV= 797.00
795 ELEV= 797.01 ELEV= 795.99 ELEV= 795.99 STA=103+71 J 795
STA=100+70 STA=102+55 ELEV= 795.54
STA=103+25
ELEV= 797.00 ELEV= 795.98 ELEV= 795.99 I STA=103+85
ELEV= 795.54
EXISTING GROUND
O
p Rt
r-
('t O
790 790 y
100+00 100+50 101+00 101+50 102+00 102+50 103+00 103+50 104+00 •'�
• as �'
O U
-d/ S f—,_S S X
3J 3J 3J �3J 3J • SE S S 'rSF- -\CFk / ,�
5
• %'`, ) '' ` - 3J 3J 33 3J 3J SSF _ /
sp F SSF\ \LEA
\`rr '�, ',� $p2 3?T E a S� SS\I•S SSF \ ,(�
\ / CE
T ", ssF \ s� SSF\ \ k\ Q 0
r PF USE CAUTION AROUND '= U
STA:100+10 SgF_�5 'LARGE HOLLY TREE SSP \\ "am 'Cl)
OAK HILL CREEK __ SSF \::,1:71,11
\SSF /BEGIN REACH I-ENHANCEMENTIapt ,- -I--r
�~ ' S SS �� (t U7SS
R�0 . -- ,, , ,,,`, �\ h SS o rE �J
�.°..•%;;,. I�14,-.
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: - �:
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, .
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, , `__\ `` — - .,yS;i.,
_'% icy C _ SF- SS 1166,.
0
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i! ,.,..--.:... ,..__
_____
•
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\i \ . ..... '•� .�•P :10:1:// i'• .. �., __
.•!•fib - --: -- `` ,; • @ ''L\
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•
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�. _
/• �•• . — _— _ .�i, - Sheet Index
tr' p"per• /_____------� 4�� `:\1�i�m�� f8� ^ :c� _ �,/
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_ � . \ _ ___= OAK HILL CREEK 1 -;- t..�, - z.s
Ar
o�
a
I
= z
rq �n,
I
°C5 O �I 'F3: er_ ��t���f: -"--�==s���-• rV ?�} ---------- - - __��USE CAUTION AROUN - -------- - ---- O --- --- ----
-- - LARGE BEECH T ----- -------- - 2 1
c;
---'-"-- '--- - .` --' - � W � ;��!id/ __- 805 - _-"' - .c`,Ew+•.a �-'(`av- �-s-�"-.���` - - -___ -- - - 'Ste' 2
O� -- `-
_"' 2.9
- �1 ::• �' ''��-°E }��� --810------8os _ z.7 9 z 8 z 11
❑ < s10-_----""__--_------ __,� ----------- -- - �� '`zE """" - ---- f/ill 2.10 /I'.3 .14
o -- -__ -_--__' _BANK TO REMAIN LOW,ROUGHEN WITH __ - _�` --_;�__, ;;_-- wS,. ___-=-_-__:-_-81p'� _�<C/.�� ----- ---------- ��.������ .111 ���w
2
N
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-- - - - _____-TRANSPLANTSANDDORMANTCUTTINGS��E--- 1-1
-- --- __" _ L - LE ------ �1 UT
- - "s15--, - = �'7=-'---- ----wee-- 1� 1
cl.
s2o-_ •
_
- __"
-'-__ - _ REM C1 = ---- - -- E o
_ --- _- REMOVE EXISTING FENCE - '-_- :-__ - - _ --- - _ ---- - 2.1
cEE =
c
I
_�cE
WITHIN EASEMENT(TYP.)
Q
-
-- _ _ ,------------ -- -
_
_
-
- - '
'
'
_
_
0
J

C 805 805 . /.
0' 2' 4' 6'
cn
PROPOSED BANKFULL (VERTICAL)
q
0' 20' 40' 60' z 0 o
o_O1 0_°1 o° o_o° (HORIZONTAL) ;:i
•cr
•cr
sit 'F,X,E::
Z V'
IN lID
H II II II IIo IH" Q
VI J
800 '.'.' 'n ,y N_w N-w ¢-� ¢-1 o ^ 800 �\ z
W H W V
-1.0% -EXISTING GROUNDS / \ •••-. -••••�••..= _
i
__,,A . OL a:
795 \-•/ \ �X`` "-/ I / II I Iyii11h1/
I
STA=104+95 I �-�� \ I I
ELEV= 794.98 \ r
\ STA=106+82 STA=107+46
PROPOSED GRADE STA=105+96
ELEV= 793.55 ELEV= 793.34
STA:104+99� STA:105+53 I ELEV= 793.87 STA=106+31 STA=106+92 STA=107+78
INTERNAL INTERNAL) ELEV= 793.86 ELEV= 793.56 ELEV= 793.35
EASEMENT CROSSING EASEMENT CROSSING
790 790
EXISTING SANITARY SEWER
ft
O
p f
•r-
(t O
785 785 b
104+00 104+50 105+00 105+50 106+00 106+50 107+00 107+50 108+00 108+50 •• O ,.a
` `1 i��1 • U
O
11
s=795 •
I --; i tit : 1-,
Q `, �`�`I' I'/'� off:
• _\ " N I -- U i�-
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.., Q STA:105+53 �.':a �, t I n'..•, c ` _:A-..p•^. �, I I�' I:i,,, '! /Grc? ‘ \ (t
a^o
• • X
- CF.iX OAK HILL CREEK ro/.flub ,%! .444.� ... ....� ,• %,...m%1. �:,� 'ul'`, ' \
-- Via•..,ti ' • ! /,' 1, `�i�sPW.4. - ..v1��a;•• ' l l R� ("1
/�. END REACH 1-ENHANCEMENT r, /��i , ,^/Iv;; _yyy--�yy�` o;• ; `� o� a.•ti���i�I�'_';, 1,' _�JQ ••\ v
_ 4.,r >g BEGIN REACH 2-RESTORATION /,, a' ���0��0�I•` ����ir;��� �•Va'•'r
`\ Cf/X °�'; � �,i /y � l ,.__
/ 107 ..�,�_��������I _'�diW�V�I"•`�.'' lQ \
EE \ ti \C Ci
-'%' 9p�,i', ;' �'I�, OqK =ii���! 14.
_, ,1111c ;Ij..11''I��11r:. /v
ssf\ Q/ e %"a��o ';` ,,ll i \`: y�l�`C. r =
S \. ACi k'%'' PERMANENT FORD CROSSING, - "" --- - !'/ �,`
S SSf •\ '.a wd�•,S./X'= • FER O S ---_-- ,j, �.., .,,t,P 1.
E \ L �` ��•`�;,''�j T SHEET _ V. �/d4q1,1'1�1�a\aW.o �1
SS£\ Ss/_______ SS oSf\SS \\ '';/,' _�'� �� Cf'X\ `\ illhanti!��\ \• * //�
SSE / \ %$sE �;�'.•` '` f.�X V `, ` -. CONSTRUI T BANK IN FILL IIM`_ ♦ f , Q Sheet Index
f '' C \I USING GEOLIFT'.ON FIRM BASE \�la
4. / sf\ ts
\ ss m ass ,�. ` ;1Maakw�# •4 /
{ SSf /X` -,/� STA:105+53 • `c `�\ ;,'�;';' w
- `ai /'`, \SSf / ,%ASS S \ INTERNAL EASEMENT CROSSING ° '''''N-•"---„,„: ",, `�\ '''' ���� /
•I-�. \�sSf %��' Sr \ -- c: ,\_q` ' l \� M�Y��`A ppq�'��\�Up�� .",ti 42.6
'Idl�,d�,y� 2.5�
VI PI
B
?. , e do �` `' VE;f:Ei.E., ,,"'
F cn
1 ��4 • O0 ,: , SS SS 1 0 : =:;`' CF^ '� I� 4 2.12 '1 .15
.. -• _----- ---'' SSf SS \ \c ; FILL AND ROUGHEN ifs 1',::i1•74. �� N ��
____---' -' y y 8p Scc S .\ EXISTING CHANNEL TYP. I,f; I i; ��I.�t�`:a•, 2.7 9 2.11 (� c
0 F l ( ) t�� _ 2.8''O _ '`:x.'.� .F•- 1 i ;ry> STA:104+99 r' cF °`���. ,iIi/ 'I� �.��Q��ai 2.9
/ —\ ;-:✓;,- vs INTERNAL EASEMENT CROSSING f __ '� �' '� � \\lip' '�{'�;I ;i�--' _ .,'i� ``;09+00����,•���� G `� 2.10 `/II'.3 14
s'% -��-� -r��•'"_ ��`i,� `�_`��S• , F\ SS \j S 11 \' 10 i, Ce --_ :;i n / \ �' IIf 0 -�k-•• 2'13 1 N
\
•
1
"805 `;`1 11� `
--__ USE CAUTION AROUND- ------ - _ _ _ = 11,
=r
`
N\. F
7.2 --------------
-
ili 2.1 c`.
O
-- -- "- i a -
t 805-- --- LARGE BEECH TREE-- - -_------------=—_ - -- • .\ \.1 `800 SF., _
k
.1
,- REMOVE EXISTING - - - __ - --- -- ---"° /
a r FENCE(TYP.) - ------------__ _ --- -- - -`-- _ o
o

/ 805 805 V
P. 0' 2' 4' 6'
(VERTICAL) cn
q
0' 20' 40' 60' z
(HORIZONTAL) el
O N o
U W
QZ x. 1
PROPOSED BANKFULL !, 1 L, I H
m iD
m m
800 o-Da' EXISTING GROUND + a N N 800
II II 0 D7 O+ .4 CO o
a w N a) iD CO o
II II .-IN + M N-�fl
-�--�� N W ¢ W •
II II 2 a CO N M N
-- N -, I- II II N r, y
` l LO N-w ¢ w II-IIr-1 Ol Ol CO M
I w
~ Q w
ti
N ------- II II
7 No,N.)••
e v44,0
795 _0=% ._.... .._ ..-. T, -795 ,•pm:
dp. G .
-1.2°0 ,, uuu,0�,
-1.5%
-1.8i
STA=108+52 STA=108+87 STA=109+86 PROPOSED GRADE
ELEV= 792.95 ELEV= 792.96
ELEV= 792.47
STA=110+19 STA=110+77
ELEV= 792.46 ELEV= 791.84 STA=111+88
790 STA=111+15 ELEV= 790.99 790
STA=112+33_
ELEV= 791.85 ELEV= 791.01
O
p rt
•1—
(t O
785 785
108+50 109+00 109+50 110+00 110+50 111+00 111+50 112+00 112+50 113+00 •'1
.� i-
1 ,•����•� _ - _ �lllc �lllc �lllc �lllc �lllc �lllc �lllc II --- -- /� U
`� •... �,..• .�• .22 ���.- - STA:110+23 - ..' �\ --- ft^ 1
1. \ ••• •• _ .....��...� �```•;�`,: OAK HILL CREEK ____ lllt lllt BM P 2 11, lllt ,lllt .ur----- I--I
1 _. c6
�!i��%�����" _ `�I'���, END REACH 2-RESTORATION �`.�
'A •�, �F '► �, !Y'. BEGIN REACH 3-RESTORATION l l 1O, ;Ills C1>I l U
\I1 ( • i�1�.`�. [ 1+u1 IO igh-_'-
�I •
�������•�• END WORK REACH 2-RESTORATION m ALL ALL Jilin �dii 'dlti- x
ft CI)
1 • +�
Q s, .
LJ
i •
K Iw
J ! 110+00 x0� .. ' •
x •_ �.. Iz
zl . : — �rssidkx I=•
1 .syaoss- Elie s. • gees• ss.s. ►.ems •.f1lGs• A•• •� .� •i Sheet Index
2.6
4., 1 /Vb. --, ..4\ ss
s �tot,��,`�,Wit,/&'::0.N10� '4 r' REMOVE EXISTING ��' , -- Ai, I�. �\�\ �'�p _...._. 2.12 '�1' .15
, ♦ FENCE(TYP.) °j
,ILL ,ILL ,ILL ,ILL IIILL /ALL
'1114 --‘ 2.7 ill 5 2.8 .
lIPtipi
o \ - 1' -- \ p Dili, �t{, ALL ALL ALL In�1 Dili, ili,x _ 2.9 2.10 2.11.,
.3 .14
:"\' `=:y- 1 \ , ; ,lll.'•• .Y.Illix.a�f,•• ADP:,�•1...alligrilw 2.z a
�s:. .;� s \, ;' ; _\5�1` UT/
'i ;,�� --, FILL AND ROUGHEN , I I 2.13 �� �`{�
EXISTING CHANNEL(TYP.) ` ,
:,1 � ' I 2.1 N
ss
\L------
IdI
CE i zo _
L- 6 D9x —� '.CE I Jt _ CE -

c. 800 800 V 1
0' 2' 4' 6'
(VERTICAL) Ci)
q
0' 20' 40' 60'cr, Z 0
, o
N al IN
W yi""
, O ti M`W _ o z o
E-IO INl
II II N O^1 + t):
W
N w ¢ ¢ jr,
m m N (EXISTING GROUND IN 0 Q y�,a
o a o 2 �Q
N J W
II_II
o
795 ��,t„_,_'_ly N "' ¢ w ^ PROPOSED BANKFULL
795
m
ti
w w ¢ >
_...._.._..:._...._...._.... _0:4% .
1.5% :mooi .�.... '
790 790 y a
STA=113+07 �'c�N P.
•••
ELEV= 790.53 STA=114+28 PROPOSED GRADE
'''''tQ
STA=113+66_ """",,
ELEV= 790.57 ELEV= 789.62 STA=114+76
ELEV= 789.60 STA=115+46
ELEV= 788.76 STA=116+75
STA=116+02 ELEV= 788.28 STA=117+24
ELEV= 788.76 ELEV= 788.25
785 785
ft
O
p f
•r-
(t O
780 780
113+00 113+50 114+00 114+50 115+00 115+50 116+00 116+50 117+00 117+50 • O 'ti
-- �1b U
�• __ I \��.�9S - _ - �/--Q �/-'Q-- __� 7___� Vim �� c6
x X� - AL AL Ike_ ALL AL--,1112---crIG--ylh\ 4 9hL AL AL ,lh, Z 795 - -- - I 7' \
x ___
- ,_ 795 �' 7-Q � = - � � ��'� ♦ � c6
\X X\ _ _------ ---_- ,iik ,iik ,iik`'-A795- _,rllr,' `nc�---� ai. .... .... __ - ` _ ,u1c — 1r V 'C7- Q_ - /;'
.� x X'� I -----= - ---� �111c �111c �111c (; •i �� �111c ;'�I�, ,11,-- --- __ (�: -- -- �_���__!!_;-_ ^ O
x .x I 40 ;; _
`.
�� I n' AL AL J1i �, ! AL BMP2 AL AL AL AL AL AL .. --=�Illc---AL �IIIc'.'• �'
• ,,•
.� _ BROAD,LOW SLOPE _---- il- •
`�•�•� AL AL 2-2--,thr--.,. OUTLET TO BE - AL AL AL ,---i4.— -
-' ----_-___ icy___ CONSTRUCTED ON _ __ �~ __ ,—
am\•_ 5 OUTER WALL OF _'- ft Cr)
A
O\�1 _----- oo�/ A •wei��...`.• BM ---_--- , -
ME
•
•
<IIL \ ��°p !'. ' �i!lt��'111c AL III, ` �''� �' 11 (.. .�/i �. _ .. _ ` ,�� •�
#1,;4p ;•\ "r STA:115+24 • •' •• • ��{'��., .\
\Q11fA\`� ,.� .'�lh� �lh� \.\ �t/1°Q' �� OAK HILL CREEK ' / alawf • Vie.
\ \ �•N�� STA:4+47 • 4'0 .\ %.•�0,2, .
AL/ i, X JII� o. n __ a �Ihc \\\• ��•� `• • "er4se •/ •• "e•ok Sheet Index
O ••.X x x \ \ \ \\-\1O. CONFLUENCE • cars, �,00��
O :::,., he x iI .t 1' he he he he he �`��... \, ?(a?'
I _X ` ,...� 'yam• ����'��T, i 4.2 . d 1 = •----_-793------------ ._ .• ,O
- 1 , )14 . •
t-I AIL AIL AIL AIL AIL AIL i�' _ i - "�I✓{c )�. I /� 2.6
•
' AL f,` ')N .�� �••illhc !-+�Cc------__�lhc--_�lhc AL AL AL AL AL +�lhc rC ,,�.•'cr)
© ;d 12.•N ROUGHEN PENINSULA II: A �1L .,X_,j,_ - __,1 III ,1 2.12 .15
I I BETWEEN CREEKS WITH ';`�•1' •` r
Li TRANSPLANTS AND '•�j; '� I III5
'� caZIDORMANT CUTTINGS 1�b I�'� — �• _ �� I� 2.7 2.8 2.9 2.11 Alp c
_,I .•�..• (n ����� 2.10 ,�I .3 .14
U I�� ILL pi
t,1^��,^�► 3
Q F� 795___ ' I z �zti` uT,
G I -- QXoV.
6/A f J 2.13 �� o `�{
I
0
I ty I u N
794-------- — -
1
n�
- I2 2
s I . zm
x % N, I o f..a o .n
I / a. I A /

I 800 800 1/
P. 0' 2' 4' 6'
(VERTICAL) cn
q
0' 20' 40' 60' Z O N o
U
(HORIZONTAL) 0
QZ ,IL,',
. 1
W
u �
0 0 w
795 °+-� N a 795
ti 00 o o o a o
N ¢ w ii /PROPOSEDBANKFULL ^ o1EXISTINGGROUND ti •
—__ w 'n w Q w , N ti d o
n_o
N ¢ w II II -^ ± n
'n —, va~i w ¢ > F
Lu
1.4% �� uuuoJ,
-1.7%
STA=118+06 PROPOSED GRADE
ELEV= 787.60 STA=118+58 STA=119+27
ELEV= 787.62 ELEV= 787.00
STA=119+85 STA=120+56
785 ELEV= 786.98 ELEV= 786.57 STA=121+72 785
STA=121+01 J ELEV= 785.83
ELEV= 786.56
ft
O
p f
(t O
780 780 b
117+50 118+00 118+50 119+00 119+50 120+00 120+50 121+00 121+50 121+80 y o"'I ,.a
, , , \II II II - II - it II II II II , al II II II II II II II - II II an II II II II II II II II. II II II II II II •11 r
yJJ
b b b - .p S7 b b;'b,b� I1 ,IIIL ,IILL ,,IIL ,IIIL �Illt ,ALL ,ALL fr--
,; IL ,�i VEIL AIL +, ,ALL ,ALL ,ALL ,ALL ,ALL ,ALL ,ALL ,ALL �o� ,ALL
1
O 9T1L I L , ALL _,IIL,-' ® •.
b Q b b b b b 1_n ,V b, = c�
7 ,b b b b b b G� BMP z = Q 0 0
�- fir-=vuL vIIL AIL AIL �Iljf', i - AIL AIL AIL AIL AIL �JIFL' AIL AIL AIL AIL AIL AIL AIL AIL AIL AIL AIL AIL AIL AIL AIL AIL
- ALL ILL ILL ILL ILL 1 _,. I111L I111L 114__,1fi I111L I111L ILL ILL ILL ILL ILL ILL ILL ILL ILL
-------- 17)- -11:;llllc AIL AIL AIL p, ----- hilt_-alh. AIL AIL AIL AIL AIL AIL AIL AIL AIL AIL AIL w \�
795 = — �' ���I"D �.. _ (t <n
- t-. III ,, z
a --- ' - :"4Ti Lit
yIILL-,'-1�-`- NNi --------_- ',.,��A`�♦i``•r�••` '',ft-� ltec ILL ILL ILL ILL
a •I__- ..�AL AL � fir'
\�- Q �111L
U • ��111L �111L �111L �111L �111L ,v.tv .• �111L -
4/ �f!1"4! ��o�tom: AIL
x
- - 117+00 V • ,�. % ]III,••.A.L, l�,&1!` •]IIIL IIIL, ]IIIL ]IIIL ]IIIL ]IIIL ]IIIL II 11.. m AL, d
E / 'Zs �hl�!�: /• \Ill, •%Ill, .24 •,III, ,III, ,III, ,III, ,III, .,,{Ili---,III, . •,?C —PS. -
----
' \ ! ,obi=l .� STA:119+00 \. ♦�!e!� • _ •• X 1\ Sheet Index
_ •.._. Cr •!!!!I!1►� • OAK HILL CREEK L •o1)L, � l�l��.. `C, olio olio olio • % ���,00 x•�x -
\ �• i����I ��1� END REACH 3-RESTORATION \• �'e - • �' i�l�i�• ' _ I /� •x �I�.I �!y• BEGIN REACH 4-RESTORATION/� :;"`. At•/���� \ X '
• •♦ �. 1���• STA:302+85 \ •
•�. A'�iDiii7i-0,,\ ,r•' ,
\• /. �l���1 UT3 1 _.... ;�y-' It�ifCCaii� •
\ \
O ••I' ...• i, ���1• CONFLUENCE,. \\,,, \ ----= ���ii1�i %•• '���li /;; 2:
• — a!�• • • \•••�••••••..••�•' I '' ��
23
2.8
O sllkt---a1IL,.--olll, olll, olll, olll, oi.L, e, \ 2.9 2.11
---- I V '4,,; FILL AND ROUGHEN EXISTING I •'\ G�1�^r��,^_J*4
� 3 14
Y CHANNEL(TYP.) �� �- 2 w
C i ; O i S�%� _ ______' 7.
�i
a .y,�� ______________------______ REMOVE EXISTING FENCE I --- - 2 13 UTl
I ROUGHEN PENINSULA p',,01,. --- -I 0- z
n� !I. WITHIN EASEMENT(TYP.) =_19 �� o
BETWEEN CREEKS WITH .��:v,•
I TRANSPLANTS .je / '` _ _—_, r..+ �I
J

C 800 800 V 1
0' 2' 4' 6'
(VERTICAL) C/)
q
0' 20' 40' 60' 4`
O
(HORIZONTAL) N o
U W
u 0
i W;?'
795 / 795
0
/
1 INq
+ 0 m
EXISTING GROUND ti tO
O1 D o^
N VZ'F'C51 ��,::Y�
—— w
,~i, I- > Q > u u �v
�.... OD, k ..••�,,�
...�.u. uul\\O
PROPOSED BAN KFULL \ ••••
I
I
EXISTING BOX CULVERT
-1.2% I /-'� 13'X8'
1 3% / �\ INVERT ELEVATION IN:786.09'
lr.„...-1.4:
PROPOSED GRADE \ i
785 785
STA=122+20
ELEV= 785.85
STA=122+83 STA=123+18 (STA=123+74
J STA=123+66 ELEV= 784.41
ft
ELEV= 784.97 ELEV= 784.95 ELEV= 784.41
•r--I
STA:123+73 (f)
END OAK J
HILL CREEK •
p rt
I-
(t O
780 780
•121+80 122+00 122+50 123+00 123+50 124+00 I
,.a��',\ ,, • ///���iryALL A,
O
I �lllL Alit �lllL �lllG _____,�,` �lllt�1 YJ. �i�� `�
i
\s,
•
-- uI,�, �� '� �A(
rt
0 U
.�... A \ � � \ f. '• I`� \ STA:123+96 ';i; - --__' '
�,,. STA:123+73 ' � �,�\ OAK HILL CREEK !; __
0.*2.,04c''
• ��•� ff�Q��� \ �(p OAK HILL CREEK `, `\ V..�',';,',,,, END WORK Hi ; --_--
��•�N�1Z • F END REACH 4-RESTORATION '}' i ,i '�I,
��`���i -- Sheet d
� it `--::::,:::----;::::_:\
_- ee Index
•
NI .0 _W limey, 1._•� ��, •
W = �• I lv ✓tir�_ • % 1 ygoe
2.12
Jy�r•��'' l* 7 f4,0 ice' _ __---\,...--_ \ �i ‘ss •
�� `�'
� _ �`"4. g ` I.ii y`�_ N,, ,1 \' 2.7 1,.,4
9 2.8 2.9 2.11 ir,��� c
_ U � � ,i,� ' jlflf�T� w1 - I I C\ 1 , \� 2.10 ��� .3 .14
,,,
i-� ei.irehr;� l . ei�' iv� L REMOVE EXISTING �� AV l� �V�, �������� W ��
- fti , J-•3 = FENCE,TYP. �;�� � ���.��� 2.2 �
cl
L -- REFER TO SHEET6.3FOROUTLET .'/�—,� 1 A \
"" - - -,"�'� ADIUSTMENTSTO EXISTING PIPE •
S" A •V'�� 2.13 ��
s
ro

V -1 f"
o. 2 4' 6'
cA
(VERTICAL) cn
FEL
2 EXISTING ELLIPTICAL PIPE
10.3 X 6.8 0' 20' 40' 60'
4°
' '
INVERT ELEVATION OUT:809.05 (HORIZONTAL)'
2 6 p= ,,l'• `,,
815 I
I I I I 815
o VI 0 VI
PROPOSED BANKFULL o o r, 0 N VI
al + ai CO 00
0 + od 0 0
CO LO
F' '4 i
EXISTING GROUND
+ 06
I, ,r r, ,T
•;:t > .:t >
11 11 0 00 0 09 L,-, I, CO I,
...' + • + r....:i--1-u 1- 1.1. •;:i > r, .-1 ..` .-1 . 0 ,-,
LO -, LO -, I- LO •Ct > 0 0 r, .0 r, .0 T ;."; + • ry-, r, r, IN
LL' l/1 -, •;:t > a
I-L, En 0 N 0-, 0 09 0 03
,-,-, ,..L., a .:::, > .::, >
71 11 0 09 0 00 + ,.6
... --....-- En c.r,
II ./1 -' •;:t >
•;:t >
810
U-' .:( >
I- ,-,, lllllllll 11,4444
s...v ,........,„
...._...._...._
,.„ , „,(7,$\, ;-..)•
••••-....- 810
:•:',„c?1
/ --\ E--,---. ...°7-Lo•Ot4:.t
r
V I /
06/
lic..\*....
/ \ , - -....-.
z/7
-/
„..-. Al......____ • ,,, - , ^
liaMIERWM11.k\- 11-WAIN
11111111k - \ / -1.5% / 's -,
...- ,.._
I -
N -1.3<y /
STA=200+15
ViriEMMAW \--- 1j \___.,..' c,
I
STA=200+54
ELEV. 807.43
I ELEV= 807.29
\
‘,...,_,„/ \\
STA=200+05 I I STA=201+12 STA=201+75
I I
805 ELEV= 807.43805
STA=200+45 ELEV= 806.43 ELEV= 806.17 STA=202+89-
BEGIN UT1 ELEV= 807.29
201+6;
STA=200+93 STA= STA=202+39 ELEV= 805.45 STA=203+62
ELEV= 806.42 ELEV= 806.16 ELEV= 805.47 ' ELEV= 804.92
STA=203+43 40.llllllllll
EL V= 804.90 STA=204+08
ELEV= 804.59
PROPOSED GRADE
ft
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800 800
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200+00 200+50 201+00 201+50 202+00 202+50 203+00 203+50 204+00 204+20 U
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BEGIN REACH 2-RESTORATION ; .,'
ii 11.- ALL STA:3+10 --,- - IPIP." 11611111116 t%2.2 r,g a ,1.,
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BEGIN REACH 1-RESTORATION
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CONFLUENCE' r .•Vr., Tit *V, ,,,lb 8„ ' t.= •
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ELEV= 804.60 _STA=206+09 � i I /
STA=204+75 _STA=205+20 STA=205+63
ELEV= 803.77 ELEV= 803.76
STA=206+63 STA=207+08 \ 7
ELEV= 803.51
ELEV= 803.46 ELEV= 803.22
ELEV= 803.22 ,_STA=20 +59 STA=208+11
ELEV= 802.74 ELEV= 802.74
PROPOSED GRADE (t
-I--r
Cr) '-'
800 800 O
204+20 204+50 205+00 205+50 206+00 206+50 207+00 207+50 208+00 208+50 r�
O U
I I 4 --' '1 -- _
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815-- ___ _- 3 3J 3J
BROAD,LOW SLOPE BMP OUTLET TO I O
BE CONSTRUCTED AT END P , Ln
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1� �CONFLUENCE OF UT16 I \ � '-_, ,' `. �`. '`. - 1 � 1 { Q_ ; -------' _____-"__-- ----- _-- __ - � , ��
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810 Q-
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N 00 0 m ti EXISTING GROUND
Q_� O_� O_ I�-N O-rl
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STA=208+57
ELEV= 802.11
STA=209+05 STA=209+71_
800 ELEV= 802.09 ELEV= 801.23 800
STA=210+05 STA=210+79
ELEV= 801.23 ELEV= 800.48 STA=211+66
STA=211+09 ELEV= 800.14
PROPOSED GRADE ELEV= 800.49 STA=212+02 STA= 7_
799.3
ELEV= 799.37
ELEV= 800.14
ft
7
795 795 '" O
208+50 209+00 209+50 210+00 210+50 211+00 211+50 212+00 212+50 213+00
U
_ _ - mph ------- ------ ------ s '-' '_�-"--_ ='-r�0\`-- --' /� `�
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806 `'\ �
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PRI OPOSEI D CORI RUGAITED
I 805
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t)2,--1 z
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II II r, r` IN I.I1
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STA=214+04
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ELEV= 798.95 STA=214 91
ELEV= 798.38 STA=215+77
STA= 13+66
ELEV= 797.68
STA=216+46 \ I
STA=214+52 STA=215+35 ELEV= 798.92
ELEV= 796.97
ELEV= 798.38 ELEV- 797.69
PROPOSED GRADE1
795 STA=216+67 \
ELEV= 796.96 I I__- --. I 795
J
-"- -- -
STA:216+88 STA=217+36
INTERNAL- ELEV= 796.00
EASEMENT CROSSING
STA:217+18
INTERNAL-
EASEMENT CROSSING
ft
,.,T1 ,•4
790 790
213+00 213+50 214+00 214+50 215+00 ;-I
215+50 216+00 216+50 217+00 217+50 0
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, CROSSING I
I ,„'-/•••: 2.14
1--- .._=7--t-1.. .cEst-7-v)t-E-i''• \
‘,
• ‘,.....„,__
2. 3 LT
167/1
g' -.2:--,--..1.::::::::--I':--1::,:::: 1 ...: •.; --, \ ,
,-1
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-
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2.1 LL N
----,,---- ------its-,-=.=;:-.•-. :-.-1-S<•:\'Po ''. ....,
' .
.. ,
(±3_Qi_.)
cs ss
...',
-----,,,,
802 ..,
:----'-- --0 , . , .' .,
/ s
• . .'4', '-', 1
•
•
f-, ---': ‹I''• -NS''''.•‘,42'' ''-',',':•‘,‘:•.‘,•,;,- „.._,
.._,,. a--C ----- •,
CE(-----/ CE-CE------ E\ \I CE------CE-
i
‘,.._ .1 .. .../

/ V 1
0' 2' 4' 6'
(VERTICAL) Ci)
q
805 805 0' 20' 40' 60' Z
(HORIZONTAL) t4) O NU o
(" 'Wz
+ IN / I- w rr Q
co
O1 m -PROPOSED BANKFULL
N-^ °^+ ,a O-,,.) EXISTING GROUND-
II II N l+D `,�.
N_w II II - W -� ,
Q_w N O
H II II + CD M /
,n ¢ w m m ,n m o 0 0
800 I - ---1--_ '^-w a-u ^I-� m-a) :1 :
°r`'N N .-I E
Lo 800
+O+�I -- VI W NJ NO,^ N-W.. -- -, Q I II..._... _ -1W v~ia w a-- mo-• y's
2.0% .�... _...._...._...._ _...._...._...._...._...._...._.0.4% ---- QQLQ-VO""7
...-. %N`••.kit}• Jp',0
-1,7% _. -. ,, uuuso�,
STA=217+64 -1,3%
795 ELEV= 796.01 1 795
.4%
STA=218+14 STA=218+42
ELEV= 795.02—ELEV= 795.01
STA=219+46
PROPOSED GRADE ELEV= 793.97 STA=220+42
STA=219+17 ELEV= 793.43
ELEV= 793.97
STA=220+15
ELEV= 793.44
ft
790 790
217+50 218+00 218+50 219+00 219+50 220+00 220+50 221+00 221+20
O
p f
r-
•b
s -- - --- - -- _ 800-- _
H
j•
` s-1
tV 3 n� -mdf; ,(lam ,(I� AL, AL, Ari-----
1 "-
` - STA:216+88 F- - - ,illy _________
�� :- ---- ---- ,illy ,illy
,lllc - AL,
INTERNAL EASEMENT CROSSING --- -----,illy -"---' rOl
LJ
C!)
ft
\ U I ;
Laos Q 800
7g5 O r� - -- 1°�� • I•• I�� ,�iJi vJ' i' 'y`l'o .._ 41,110i►
•
•
•
414
' `%�` xoo'`•
,__ --. •• -90 •' �i;'`,' j i.=:�i , \• �s1810�i �1 •\. Sheet Index
800- w•� •
.I'4' -,�:. ,. I, •/ NOO. / `-'-8 •♦ ��;='\ •/ '• �-�`��i •j• • \���,//// r� �/ O _... 440i •
Ok0 /AiliiiiA_� 1'0
/' 1/ ore
v..eliiiiii.: 11021.6
•
i(" . %\`\; '', , ,i %�Va._.. ��' 2.12 l44 1 2.15
�I i 'I°', '' (•/ / tA22l+ll 2.7 'y 2.11 1� N
i , STA:217+18 I , •�•� •%, ` c
�� • INTERNAL EASEMENT CROSSING ____--- ���,• Axe END
/ UT1 2.8
8' _ , _ _ / fi,1, END REACH 2-RESTORATION G �a
KM 2.9 2.10 �2' 2.14
I CROSSING
_ 191•' / STA:110+23 `�1���,�. ,2.2 OQ�•/' �••� CONFLUENCE WITH OAK HILL CREEK / �• , w
800 •
rl
\ _ �-`.7.172>95 _ .--- 'RA / •.I+II�.i %// • 2.1 \�
REMOyE EXISTING FENCE --` ii. `�
WITHIN EASEMENT(TYP). -=?9 , ` 'S ;z,,, �� /'• ,1:��•�f1 "
x FILL AND RC�GHEN EXISTING -,%:- .� :0•1, = 3
I CHANNEL ----- -'-'c` __ ��':`r,•,/-,' .va /• �1••' . o _ o`
v; A �e -�

C 830 830 V
_STA=300+72 0' 2' 4' 6'
ELEV= 819.62
_STA=302+53 Ivearicn0cn
_STA=300+88 820 ELEV= 813.85 Q
ELEV= 819.12 _STA=303+46 0' 20' 40' 60' z 0 l g
o �o-io� -STA 301+01 �_o N ELEV= 810.88 (HORIZONTAL)
o U v',
om °oo �o N N o� ,n ELEV= 818.70 0 + ti� o _STA=303+68 pN tai):w S�,z�z°
Q >m•iim 06 o N+ o-io_o� -ELEV
m ii
o �N m� 00 ELEV= 810.23 �V 6 S ,l'.
1- LLI Q >•
u u-o-moo-ru a m io ELEV= 818.38 Q > u u omco n', ''' , a o Q l7 .
�' w I J Q > ,, ii m °� o oN + a N _STA=301+26 v~i _, Q >1, 1, om co ,NI ti o 00 o �w `,.°Q .�
825 wN "'-a-LuQ->-ii II �-�-o-��-ti' m-a ELEV= 817.88 w `~^-wQ J .. u m ti-+ �w .�
,n u u m o ^ m 825 N Q->-1,-u-2-oo m +-� N o STA=303+77 ~
w,n w Q > . II om .3 o of io a _STA=301+37 '-'-'N Q > II II o°m + ru -
I ¢ >II II o m ") ,n m ELEV= 817.57 w N w_a J_° °om o ti o ,n ELEV= 809.92
-w-,n-,Q-> o-, �-u? N Q->u-u-m-Oo-ry-o•io a _STA=304+14
wN w Q > o °� o o o .� m "' ,n wa "' Q > °�mo + o o ELEV= 808.76
H I I I I m W + CO m ^ N W H I I I I m - m W ^
,r'-w Q->-a-u-o- -+-�-a`m 815 -,n-w- - -o- -+- -,^�^ 815
H m °o N Q-> II II m oo rn Q Ol m
`r' w ¢ > u u om .0 4 N o ,~il w¢ > u u r+ °' o m
'3q°• •\. s \ ,^ w Q > u u o o�-o-`� o a - ,^ w Q > .. . ro + o_o su.vay��
•
�._J_ rn_ N. STA=302+35 -�-J- - -^"�- -�- ���`^-`-'
�� / ,^ w ¢ > u u m °� `3. ` N EL; Q > u u 000 + ry a ,n m ,, 0,\ \ ELEV= 814.43 3°`• ^' ! ! U- -
STA=300+09 •• - ,n w Q w u u o•
• ,n J-Q->-u.~ ,
o 0 N O1 STA=302+54 °°'3.99 •!.` ,n Q > ii ii m °�o + ,n J''Q > II II o o + o-�
w ,~il-�-Q->-u-u m-O�- ti 3. o '-'-' N w ¢ > mO�-a_�o o io
ELEV= 820.53 3�° •�••. w N J ¢ > II ii om 'ELEV= 812.77 I - 6% /�• \ I i, 1, o co m " rcy�d " •
'6 3 •. "' J Q > u u rE ti STA=302+72 i '3•So / I �\ N J Q > u u •o wo :Dy�•'••.k ..••,,
/ ,g ~ .,� w,~il-w-a > -o0- ELEV= 812.26 / -38 F.� •.•, \ ,n w-Q-> m °� � +imuod
s_j_
LU
- STA=300+27 .9% �•• ,~il-w- 810 \/ \\ •h°�\34% .
T \ N „ 810
36.
ELEV= 820.01 �3�° \I / 473.i.
„6 /
STA=300+48 \ ��, �\ -320••� a _ �.'•`,• 1�\
ELEV= 819.29 \ �•••. STA=303+28 '3.3°°• I
\ '3.3% �. STA=:::
9 ELEV= 810.44 \\\IIEV=_ 8 STA=303+48 I-� -3,3%• \ELEV= 809.84 3..815 ELEV= 818.30 \ 8 • 815 STA=303+62A= 0 STA=303+73_ELEV= 809.37 ELEV= 809.04 36EV= 4 STA=303+85
ELEV= 817.79 ELEV= 817.51 ,� STA=304+081,.., \ , ELEV= 808.65 STA=304+36
\ I ELEV= 807.92
I STA=304+20 ELEV= 807.02
STA=301+45 `' . 805 805 (t
STA=301+22 -
ELEV= 816.19 , ELEV= 807.52 STA=304+64 r�
ELEV= 816.99I STA=301+93 STA=302+36_
ELEV= 80616 -I
STA=301+72 ELEV= 814.71 ELEV= 813.33 .
ME ELEV= 815.39 ,•I
STA=301+32 (t
ELEV= 816.70 STA=302+11 U z
ELEV= 814.15
810 810 802 802
300+00 -300+50 301+00 301+50 302+00 302+50 302+50 303+00 303+50 304+00 304+50 305+00 O
_
i
AAA
, r
,
�y, •
$�o
i
,
830 =
="_ "' - _ _- _____ EXISTING C
--- 0 REMAIN_ i
__-- _ - - ,-= SWALE TO BMP#1''
-- ---- EXISTING FENCE TO REMAIN '-----"--- ____ = ;- _ _--- _- I- , �
CONCRETE
T N ;
_
- OUTSIDE OF EASEMENT(TYP) ' _ f)
i CIS
g0- - _- --- ,J ,
3J 3J,______a•S 3J 3J _% 3J 37 3J,�3J 3J__ __ -a 3� 3J-�3J, '3J _ 3J =39-___' 3J _ 3
m ______-__ 3J�3J 3J O Cn
-
;; =' REMOVE EXISTING FENCE g2g _ _- _
3J J ,
n :'' ;-�' WITHIN EASEMENT(TYP) __ __"--- _-- - _
m _
820 • '
,STA:300+13 =' -- _ ••
n • =
" m -BEGIN-RESTORATION t __- _ '--_ -- __ ----- _
-
1A
_
8
25. .- 2 _' _ - 8
-_ _ .301+00 „ �, ..• . 6 _-- � ---- r:{:�:--� ^��rz•� 3 p3+p0�,��r113.a. _ - ----_______-- - "-
T s1s
e _ _ - 1„ Sheet Index
•
.,f .I ��'• • ,i - nv k- =- 3, O If � �C.l =-1/�'_ _ al •''�• �C/I r _ 1 'o,
`� •���i.. � _-- s.�� _sue.. �815: _ �,.:;��::y. - -_ ;,_ • --r-•�� :��• •!�� _-�-- _-�1�, _1
\ ` _- i�� . \``EdPRgP �'" ,4J. .� � , '- ' i • r'•. '.ei•• ```` T. _ '�
ix,
1s.Alp
•�.
- �1 C
/ __ ce .r " .8�p' - _ ti 2i_° _-_"- 815 ,�j .r�, 810'."�. i 2.5/4P2.
- 1
APPLY PLUG TO HEADCUT__ ____-_ ; - _'_- _- --'--' 82p``- - _ 4 ��'„ -- N
>_ ,- `�- '- _ _ __ - -_---' "_ -= _ .o` at" ••Ai 304+91 Q 4!::i
5 ;-'"' = 1 =�_ ____ - --: - - - - __ " � �A� �\ 2.12 �2.15
20
4* --
OWNER TO REMOVE WOOD \� l ' 2.7 9 2.8 \
2 11
- --___ ,_, ---- _ -825- SIDING,WILDLANDS TO HELP ,815,` 2.9 2.10 //,� 2' 2.14
Y g25---' _ --- - -- REMOVE SHED - STA. -s"10 �V' G`�a^I��AMII-ii
- 2
- -----= - - CECE CE CE CE CE CE CE CE E \�c cEO U
�, CE � Tl s4 ��
_- 0 �h
11.N 2 3
c END R STORA �, 2 �
y
,
,
,
gyp, ( �1 j'd t •
_,,J m 2i°�1,, q A,, 2.1 N
EXISTING OCCUPIED HOUSE - I l I T � ,.�� _ ` r
v �� .. O•''''''!
TO REMAIN fiti--'
- _' �I /�(�� ��,•-,'i1.�. E
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/Il
X I t_ 4.y6Jt z 3

/ V 1
f.
0' 20' 40' 60' Z
(HORIZONTAL) = i
`yowW U. �WQ6 zEz
I
/ W
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•
•
•
•
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\ p0�00 • err.f 10'" 1� f, ► ,
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------1\ --V,I,j„Ill- - - - l'!' --:'-----4t- i
_, -----,
,8,0 .. .. `r,'
•
— — -. __ III �� iA - ditE .
II11{n �� 3+00 A �I v ������ i
�� i , COORDINATE PERMANENT REMOVAL -''� — �'. ` ,ilh -- _ - ������
t1 'I} 1'1 i I. /', I OF POLE AND OVERHEAD LINE — — \` `�` '"� ��1� of
• i �aJn !1��_- `.r. ..>.:• fir...
• �
i I {,�, _ 2+00 '�,--- ----- �. /.'•'�� Matta tet204+0p ,E�llairj 1. I
Or or ov
I •
• Y / i '�` 4f V i (_„,,,,,k,,,,,, ,,____. UT1B ,- ---- / ' d 1��j� CnI 1 1 •Gy? � clh'j OI � +1 i�-I
I'--- 1 I�`1` 1 ice` % > f�._ -- UT16 \ (t 0O
,, � CE D ENHANCEMENTIIIIII bA +�
�I G�► h rE s�
EN
I - /II I� d�1' i _ lkoo 'a1 yi� `,1` \Cgs �lllc T - I
H A
i -' I
4
_----- _______ __, ‘ „,
c„..1
__ , I \ �`';WI, �1 PA:r n�,)l {i ,. - `81 - _-- 'ENHANCE UT1B CONFLUENCE OE�'c`= -c --- 5,th, ,th, ..
?_- Fes_
L1J 6i• _,_ " WITH UTl WITH RIFFLE _ _-
` • - - --- - - _ --- — ------- IRECTED BY - --
.r - g ____t ___ 'CE ::: __
3 O — _ 820 _--' '---- — ---- — -_
_
Cn
ft
.
,
DESNE IGNER
GNAS D
_ STA:00+00 _ - - --__- = -- 0
SI ER �
1 I� I _ BEGIN-ENHANCEMENT II =- -------__- ;:g25-�F,=;' ;
Y '
E
Sheet Index
1
f.
~2.5/� .6
4
0�2.4'."'
2.12 41011 f.15
L
5,
2J��9 2.8 2.11 1p 1"
r ..ar � 2.9�,^+1�A. 2' z.1a
o ��1• •u��!�,2.2 NN �w
2. 3 10 J
2.1 •
E m m
_ q U a„,.,
X O Uri
o c O

/ .V. 1
0' 2' 4' 6'
(VERTICAL) Cq
2
0' 20' 40' 60' z
ory z O
800 800 (HORIZONTAL) - U q
REPLACE EXISTING DAMAGED -EXISTING GROUND t
z x
z
PIPE WITH 36"HDPE I Q t7 -'
INVERT OUT:792.50' m m m -PROPOSED BANKFULL w
CONSTRUCT GRAVEL r�-^' �+ 0o �° r, 0 ^ 1D O, 1D ~
Ol N-N + N +-N -( lD ( N 0 •ti 0
ACCESS OVER PIPE " N ii N ^' m ^' m ,' N ,' N m N N a ^
ii ¢ u ^ u ^ m + N + N m m io m
H i II Q Q II N II ^ M + +
\-w N-w V-L, V-L� ¢-�i ¢-�i a-^ a-^
-m -m
N w N w '~i, w ri, w Q ii Q ii ii ^ ii ^
Lu
N w N w '~i, '~i, >
w w w w
4444444444444
co N
/ \� I ---------- �.,� ----- a °^' O��P Nb���i
-1.0%—,
I
I
STA=2+69- \ /,: I
790 ELEV= 792.93 STA=2+87 ..., STA=3+19 STA=3+60 LSTA.4+57 —790
I 1 ELEV= 791.37 ELEV= 791.29 ELEV= 791.20 ELEV= 791.03
STA=2+77
ELEV= 791.37 [STA=4+06 STA=4+48 STA=3+56
ELEV= 791.20 ELEV- 791.12 ELEV= 791.03
LSTA=3+16 LSTA=4+01
ELEV= 791.29 ELEV= 791.12 PROPOSED GRADE
ct
785 785
cn
2+00 2+50 3+00 3+50 4+00 4+50 4+89 r�
O
b
'i SS \SIn
� � �i•••• `
SF SF' 9s ♦ ♦•.. �s , I
_
\ \ \\ \ ''•• \ \‘;'ssss-X2'• ,.—\ ---_____,
‘1 k‘. ‘',• • • i
3 ..
JS� �SSi •S - _ `� i� �'\ ......
r� \\: �d w Cl�
•
\, •F ROUGHEN FLOODPLAIN ON A 4 \`\ \\. �►►q
\ UPGRADIENTSIDEOFUT2 A \ \ ___ � ct
-� I ,x
•
° v..,. • 1 • 1 J O rr
Jr4*k
', '.. 1�
iSS � 44,....
�• 444
Ii ' � 9
:::
..,0,
, ....,,,
, •
e, s., „,
igi, ,
, 0/*.• : : r''.., : 0
sF SS _ UT2 1l v1•••„u!/ .1.— , .,
„. "
y
lcSS 1``•_ __ - l-."1. STA:4+89 ---
\` \S °'� `�`\\1 \� ,•� •• • •'�0��'��` •• END UT2 \: ``, ♦'• ® . �°..
,\4 ,F 4 • ,• Sheet Index
r` `rS .�'�'�`'� �, /��. STA:115+24 ,, •♦ - • ",' /aI�I:1����1��
' ---- ---` VI CONFLUENCE ` /
i �\ \ — � 0.01 ' ' , 1." , OAK HILL CREEK •' �'
444;
-_ �• ', i�� ., .7 yam✓- `\� • 116+ �il�i�f�.f�• �--
_ ---- ,L' , \ > r' `v07 - +�1.�o..�\ r"‘ 00 i IJrf" p2.6
_, it..4,--,,
,.. _ _
......, -,... ,\\ , , , , ,‘, ,
...,
_.
3 ) ,\ S, `rF .\` \ __ A A A ------_. 22.17215 O`b 2.4 2.15
/ STA:2+66 I ` FILL EXISTING CHANNEL ��� c� Lo
/ i BEGIN UT2-NO CREDIT iSSfi s\ \SS�i \`, ` � _ - ------- 2.11 '
i REPLACE EXISTING CULVERT WITH \ 2 8 c
° 36"DIAMETER HDPE `S ;�� -— _ f� 2.9 2.10 ,�I2.3 2.14
Y NEW INVERT OUT:792.5' J, ` \ � --- _ - _- ------ - :- �`r����;�����.2
_ -_ •
_- _ -- _-___ r
2.13 risi
•
NS S ` Em SS q,..„-
=so '

V 1
0' 2' 4' 6'
`�, (VERTICAL) (n
\
0' 20' 40' 60' 0
800 800 = 4z ' , o
(HORIZONTAL) � W F4
�w 1,U,z
u 0
IaZ w '', Q''a
PROPOSED 36"CMP I'"
O a., SEE SHEET 6.3 EXISTING GROUND-
I I
+ q m o LL-\
+ N O W O W
p m O ^ 0+ N W
pN - 6 m 0 ./1 0
m-^ II -II o I� Ol co-.11 W-LEI Wild r-W
II II IN I-0 IN
Q > II II Om N
O pl O pl O O N O W O
w W ¢ > II II m ^ m ^ o �' o cr' + o
795 N-W L.J ~_� (At II-II II-II m-^ f,'1_N N-Ol 795
W W I- II II II II
W W a W a W Q w Q w II II ♦♦P�nv ,
W w W J W-W W-W Q-J
All
r.? 0- , A
\ I '1.0% -0.6%
790 790
\ I
\ i (
TIE TO EXISTING GRADE \\
STA 301+74 PROPOSED GRADE
ELEV= 789.50
STA=301+05 STA=301+78 STA=302+25
ELEV= 789.50 ELEV= 789.50 ELEV= 788.99
I I
STA=301+09 STA=302+27
ELEV= 789.50 ELEV= 788.99
785 785 •,-
300+00 300+50 301+00 301+50 302+00 302+50 303+00 303+40 CJ O
p
\ X�
\ ,AL ,lllc ,lllc ,lllc ,lllc /� tn
SS 'PS
SF 1
T - - 1 _- • ,lllc• 1 O` .•1- - ��l e... At At ,lllc �`�,At At Al ,L�j
'FP SS C\. ``, \'\` `� I, --------- AL AL AL AL ,1117 ACs Ct
--- \lam , `
---- -\' \ _'� OAK 141LL CREEK `` Ic.' 1� 1t 1t U
F I I ROUGHEN FLOODPLAIN ON•
\ `• ' Eri
'�' �° UPGRADIENT SIDE OF UT3 AL �' . ••'— •7IS.#•ptl�j' � ;. ,111c ,lllc ,lllc ,lllc ,lllc \a111�s. 11. 'slll� ,lllc ,lllcssuu
F s` 'rsF ,' r 7! ► -- 1 \ . 119+00 _ ♦�.�IAA.�a� �, N 111L ,111, ,111, �1l., alp,, ,111, ,111, ,1
q \ .!_ .S — 1seAam.._:il! .. ♦ l `i'A�...!00i..)14/ eiIEE_ AllL AIL AIL��` C AIL V
l \\ \\ �, •• `,4,. ,lllc '.�7r�i.• .` ',Ito, ,111�--,JII, ,th, ,th, ••i717-.\ALL �i1
cl i -,\ \ \\ :a 4Ity'>'"po���%1�- UT3 _ —�" \ ••. �4�q••• _•
`' I, . 'I
( SJ, S3, SJF \\ \„�.l i��1 A ��`�- •�4, -- `;;N. AL `i. �N!'4j,>/.t0$ ,111c ,111c 'v11c ,111c ,111c '11,
\ ♦*Jyt4� •14 �1•�rt:e�"•: _ `- ,�r• ,lllc •\AIL ,`UI, II�D ,111c ,111c ,111c '�U1c ,111c ,111c Al
••• END UT3
,SF \S, ,pS` \ ' .� ►a, 1 �S •�� •302+0g:•_... /`� STA:119+00 ��p�,
_ ����.���-r - ,lllc .,. OAK HILL CREEK 1 ,lllc AL ,lllc AL ,II12'.
\ ;--_- *SSA ` �\ ...•
�.:.-�-`�ya.�oWee CONFLUENCE 1 ., II
'-- . - - .fJ,S\```'� 4 •\, Ave?,. :�_a�:4--� ` w ,lllc .. ,AL �Q'i�N ,lllc ,lllc ,lllc ,lllc ,lllc ,l
F\ 'Ps \ 4\\`'`,L`ri`1f,,� I �' / Sheet Index
�,'% \ \\,.!n.�� i' _ ``.`' ,111c .I ,111c ,111c•• ,111c a ,:t ,111c ,111c ,111c ,111c ,111c ,111c
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Species Common Max Indiv. Min. Stratum Wetland q of Stems Species Common Max Indiv. Min. Stratum Wetland q of Stems Species Common Name Max Spacing Indiv. Min.Size Stratum Wetland %of Stems a w „H
Name Spacing Spacing Caliper Indicator Name Spacing Spacing Caliper Indicator Spacing Indicator '"¢
p g p g p p g p g p p g
Size Size Salix nigra Black Willow 8 ft. 6-8 ft. 0.5"-1.5"cal. Shrub OBL 25%
Acer negundo Boxelder 12 ft. 6-12 ft. 0.25"-1.0" Canopy FAC 10% Platanus Sycamore 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACW 15% Cornus amomum Silky Dogwood 8 ft. 6-8 ft. 0.5"-1.5"cal. Shrub FACW 20%
occidentalis
Platanus Betula nigra River Birch 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACW 15% Salix sericea Silky Willow 8 ft. 6-8 ft. 0.5"-1.5"cal. Shrub OBL 25%
Sycamore 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACW 15%
occidentalis Quercus Cephalanthus Buttonbush 8 ft. 6-8 ft. 0.5"-1.5"cal. Shrub OBL 15%
Betula nigra River Birch 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACW 15% phellos Willow Oak 12 ft. 6-12 ft. 0.25"-1.0" Canopy FAC 10% occidentalis
Liriodendron Sambucus
Ulmus canadensis Elderberry 8 ft. 6-8 ft. 0.5"-1.5"cal. Shrub FAC 15% ,,��Nur,,, r
Tulip Poplar 12 ft. 6-12 ft. 0.25"-1.0' Canopy FACU 2% American Elm 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACW 10% p rp
tulipifera americana p,+• '...,tiyp�
Quercus Total 100% o- `•.�j%
Willow Oak 12 ft. 6-12 ft. 0.25"-1.0" Canopy FAC 10% Nyssa sylvatica Black Gum 12 ft. 6-12 ft. 0.25"-1.0" Canopy FAC 5% o E2 4
phellos Herbaceous Plugs
Oxydendrum Quercus Swamp Juncus effusus Common Rush 5 ft. 3-5 ft. 1.0"-2.0"plug Herb FACW 40% mom
Sourwood 12 ft. 6-12 ft. 0.25"-1.0" Canopy 5% 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACW 8% ¢C�y'•kd O
arboreum michauxii Chestnut Oak Carex crinita Fringed Sedge 5 ft. 3-5 ft. 1.0"-2.0"plugHerb OBL 10% pp ;'G
g g N'�y •^jP�.
Diospyros
virginiana Persimmon 12 ft. 6-12 ft. 0.25"-1.0" Canopy FAC 5% Acer negundo Boxelder 12 ft. 6-12 ft. 0.25"-1.0" Canopy FAC 5% Carex lurida Lurid Sedge 5 ft. 3-5 ft. 1.0"-2.0"plug Herb OBL 20% Su.ruOJt
Populus Eastern Carex lupulina Hop Sedge 5 ft. 3-5 ft. 1.0"-2.0"plug Herb OBL 15%
deltoides Cottonwood 12 ft. 6-12 ft. 0.25"-1.0" Canopy FAC 10% Quercus nigra Water Oak 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACW 7% Scirpus cyperinus Woolgrass 5 ft 3-5 ft. 1.0"-2.0"plug Herb FACW 15%
Carya Bitternut Total 100%
cordiformis Hickory 12 ft. 6-12 ft. 0.25"-1.0" Canopy 5% Celtis laevigata Sugarberry 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACW 5%
Note:See live staking and herbaceous plugs detail.
Quercus alba White Oak 12 ft. 6-12 ft. 0.25"-1.0" Canopy 5% Total 80%
Wetland Planting Zone Small Trees/Shrubs
Total 90%
Bare Root Permanent Seeding
Open Buffer Planting Zone Small Trees/Shrubs Species Common Max Indiv. Min. Stratum Wetland ft of Stems Riparian Seeding-Open Canopy
Name Spacing Spacing Caliper Indicator
Bare Root Size Pure Live Seed(21 lbs/acre)
Species Common Max Indiv. Min. Stratum Wetland #of Stems Alnus serrulata Tag Alder(2) 12 ft. 6-12 ft. 0.25"-1.0" Sub-Canopy OBL 5% Approved Date Species Name Common Name Stratum Wetland Density ft
Name Spacing Spacing Caliper Indicator Indicator (lbs/acre)
Size Lindera benzoin Spicebush 12 ft. 6-12 ft. 0.25"-1.0" Shrub FAC 5%
Cephalanthus All Year Schizachyrium scoparium Little Bluestem Herb FACU 4.0 (f)
AMus serrulata XXXX 12 ft. 6-12 ft. 0.25"-1.0" Sub-Canopy OBL 2% Buttonbush 12 ft. 6-12 ft. 0.25"-1.0" Sub-Canopy OBL 5%
occidentalis All Year Panicum virgatum Switchgrass Herb FAC 2.0 ;-1
Hamamelis rt
Witch Hazel 12 ft. 6-12 ft. 0.25"-1.0" Sub-Canopy FACU 2% Sambucus All Year Panicum rigidulum Redtop Panicgrass Herb FACW 1.0 r ,
virginiana Elderberry 12 ft. 6-12 ft. 0.25"-1.0" Shrub FAC 5% ,0 V
canadensis All Year Rudbeckia hirta Blackeyed Susan Herb FACU 1.0 -I—)Cornus florida Flowering 12 ft. 6-12 ft. 0.25"-1.0" Sub-Canopy FACU 2% Total 20% ft •.
Dogwood All Year Coreopsis lanceolata Lanceleaf Coreopsis Herb FACU 1.0 � -I--
Notes:
Lindera benzoin Spicebush 12 ft. 6-12 ft. 0.25"-1.0" Shrub FAC 2% All Year Echinacea purpurea Purple coneflower Herb UPL 1.0
(1)Substitute species:Silky willow,silky dogwood. ,- 0 a
Amelanchier Serviceberry 12 ft. 6-12 ft. 0.25"-1.0" Shrub FAC 2% (2)Tag Alder shall be limited to Wetland 1 or other wetter areas of the site as designated by Designer. All Year Panicum clandestinum Deertongue Herb FAC 2.0 5 Z b1J
arborea (3)Transplants from on-site to be used at Designer's discretion for streambank and floodplain planting. All Year Elymus virginicus Virginia Wild Rye Herb FACW 2.0 r�
Total 10% (4)Percentages of each species may be varied at Designer's discretion but shall not exceed 20%per each species.
All Year Sorghastrum nutans Indiangrass Herb FACU 3.0 •�
(5)Designer may substitute container plantings or other plantings for bare roots.
Notes:
(1)Substitute species:Sweetshrub,northern red oak,slippery elm. All Year Bidens aristosa Bur-Marigold Herb FACW 1.0 (t
(2)Transplants from on-site to be used at Designer's discretion for streambank and floodplain planting. All Year Helianthus angustifolia Narrowleaf Sunflower Herb FACW 1.0 Q 0
(3)Percentages of each species may be varied at Designer's discretion but shall not exceed 20%per each species. ^� f-`J1
All Year Coreopsis tinctoria Plains corepsis Herb FAC 1.0 .--I
(4)Designer may substitute container plantings or other plantings for bare roots.
All Year Achilles millefolium Common yarrow Herb FACU 1.0 �„
TEMPORARY SEEDING
Partially Vegetated Buffer Area Planting Wetland SeedingOpen Canopy
O
APPROVED DATE TYPE PLANTING - P PYft
RATE(lbs/acre) Pure Live Seed(19 lbs/acre) O I
Open Buffer Planting Zone Trees Rye Grain(Secale Cereale) 120 Approved Date Species Name Common Name Stratum Wetland Density v
Indicator (lbs/acre)
Bare Root Ladino clover(Trifolium Repens) 5
Jan 1—May 1 All Year Coleataenia anceps Beaked Panicgrass Herb FAC 3.0
Species Common Max Indiv. Min. Stratum Wetland #of Stems Crimson Clover(Trifolium incarnatum) 5
Name Spacing Spacing Caliper Indicator All Year Carex vulpinoidea Fox Sedge Herb OBL 2.0
Size Straw Mulch 4,000 All Year Elymus virginicus Virginia Wild Rye Herb FACW 4.0
German Millet(Setaria italica) 40 All Year Bidens aristosa Bur-Marigold Herb FACW 3.0
Carpinus American 12 ft. 6-12 ft. 0.25"-1.0" Sub-Canopy FAC 10% Ladino clover(Trifolium Repens) 5 All Year Panicum cirgatum Switchgrass Herb FAC 2.0
caroliniana Hornbeam May 1—Aug 15
Crimson Clover(Trifolium incarnatum) 5 All Year Polygonum pensylvanicum Smartweed Herb FACW 0.5
Euonymus Strawberry 12 ft. 6-12 ft. 0.25"-1.0" Shrub FAC 10%
americana Bush Straw Mulch 4,000 All Year Juncos effusus Common Rush Herb OBL 1.5
Lindera benzoin Spicebush 12 ft. 6-12 ft. 0.25"-1.0" Sub-Canopy FAC 10%
Rye Grain(Secale Cereale) 120 All Year Panicum dichotomiflorum Panicgrass Herb FACW 2.0
Ladino clover(Trifolium Repens) 5 All Year Helianthus augustifolia Narrowleaf sunflower Herb FACW 1.0
Fagus American Aug 15—Dec 31
grandifolia Beech 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACU 10% Crimson Clover(Trifolium incarnatum) 5
Notes:
_ Straw Mulch 4,000 (1)Apply Permanent Riparian seeding in all disturbed areas within Conservation Easement.
Ulmus rubra Slippery Elm 12 ft. 6-12 ft. 0.25"-1.0" Canopy FAC 10% (2)ApplyPermanent seeding all other disturbed areas outside of Easementper specification.
Note: inP
Hamamelis Witchhazel 12 ft. 6-12 ft. 025"-10" Sub-Canopy FACU 10% Rates of fertilizer and lime if necessary can be found in the site preparation plan
. .
virginianaincluded in the specification documents. Stabilization Seeding
Calycanthus Sweetshrub 12 ft. 6-12 ft. 0.25"-1.0" Shrub FACU 10%
_ floridus V. V .V. Stabilization Seeding
o" Pure Live Seed(32 lbs/ac)
Flowering
Cornus florida 12 ft. 6-12 ft. 0.25"-1.0" Sub-Canopy FACU 10% Best Management Practice (BMP)Planting7 V V V Dogwood g Species Name Common Name Ibs/acre ,
o Notes: V V V V Fescue KY 31 .,Q
cl Asima triloba Pawpaw 12 ft. 6-12 ft. 0.25"-1.0" Sub-Canopy FAC 10% (1)See Detail 3,Sheet 5.3 for BMP construction and planting details. Festuco orundinoceo ( ) 20 N N 1. 1
Z' (2)ApplyWetland SeedingOpen Canopy" mix to all disturbed Dactylis glomerata Orchard Grass 12 s o
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Quercus rubra Northern
Oak Red 12 ft. 6-12 ft. 0.25"-1.0" Canopy FACU 10% areas of BMP including bottom of basin.
(3)Apply"Riparian Corridor Planting-Herbaceous Plugs and Livestakes" Notes:
Total 100% species in areas shown in detail. (1)Apply Pasture Seeding for grading outside Conservation
Easement,utility easements,and stream crossings. x
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FOR LENGTH OF RIFFLE - HEAD OF RIFFLE ELEVATION A
- THALWEG POINT PER PROFILE 55°TO 65°
B TOP OF BANK COBBLE/GRAVEL BURY INTO BANK 3'MIN.(TYP) O (TYP) CID
0.5'MAX. BANKFULL
FLOW NORMAL WATER BED MATERIAL
SURFACE
fio, , 12"DIAMETER OR Z 121 i
::: GREATER(TYP) di t 'i.z Ei i i 00�w v'v
>`y` ``���`` \ z __
HEAD OF RIFFLE ELEVATION 5(Mph' ��� ��� POOL z m¢H
POINT PER PROFILE ,,LJ RIFFLE BOTTOM WIDTH PER
WIDTH PER . TYPICAL SECTION
TYPICAL SECTIONS
FLOW Profile
COBBLE/GRAVEL --,•- ��-�-�-�-��-��-�-�-�-�` fiiiii•` COBBLE/GRAVEL
BED MATERIAL TOE OF SLOPE(TYP) jjL� BED MATERIAL
EXTEND5' ii l;
TAIL OF RIFFLE ELEVATION ii!.i ,
INTO BANK ������
POINT PER PROFILE IP:
•po• � q0O
FLOW TOP OF BANK(TYP) ; ••. •`••..Y4,>•
1/2 TO 2/3 . ��
'~ BANKFULL BRUSH PACK,TRANSPLANT �o-
y Plan View [ • OR ROOT WAD O�
��i \%\\i\i\i;\>,\/ L B TOE OF B 76 '7VD 2SiOm
� SLOPE TOP OF BANK tr �dp••-. ,U�p
i 2%-q%
Profile A-A' \ `ib`"" ere
COBBLE GRAVEL TAIL OF RIFFLE ELEVATION 'rill/ �;;�;;�;;�;;�;;�;;�;;�;��;� iiiuNi2'
BED MATERIAL POINT PER PROFILE ;
RIFFLE INVERT PER PROFILE
<.\y��� ,. .. LogSection EXTENDS' �� B
✓ EXTENDS' Plan View
\v yv A INTO BANK B-B'
NTO BANK A�
�� TOP OF BANK(TYP)
EXTEND RIFFLE MATERIAL
Section B-B' 0.3'-0.5'UP THE BANK
ft
NOTES: C O
• IF A RIFFLE ENDS WITH A SILL IT WILL BE SHOWN IN THE Constructed Riffle ,� elE ®Angled Log Riffle NOTES: O
W
PLANS.REFER TO LOG/ROCK SILL DETAIL FOR THIS FINAL ®Not to Scale CR-CR CR-ALR Not to Scale • IF A RIFFLE ENDS WITH A SILL IT WILL BE SHON IN THE PLANS. 4 U
STRUCTURE. REFER TO LOG/ROCK SILL DETAIL FOR THIS FINAL STRUCTURE.
•ri
LENGTH VARIES PER PLAN to
HEAD OF RIFFLE CLASS 1 STONE Z •
ELEVATION � }{ }{r OR SALVAGED
POINT PER PROFILE 03 � - � ^ ^ a
ONSITE BOULDERS �. Cll
�� MIN 0.5'x1'x1.5' .�
C R-1 R CR-CH ft
BANKFULL TOP OF BANK(TYP) B O
o o J///_
= U
°1 TOE OF SLOPE(TYP)
oU U CLASS 1 STONE i e
Itja o4. OR SALVAGED
o •� ONSITE BOULDERS HEAD OF RIFFLE ,e ` ill lit
.. .di
TAIL OF RIFFLE
M�<'" " COBBLE/GRAVEL ELEVATION POINT ' �� �•.
io MIN0.5'x1'x1.5' r ��w o ►" o o i/ o ELEVATION POINT O uu
z O o 1�� BED MATERIAL PER PROFILE J PER PROFILE
m �,�N,� COBBLE/GRAVEL ,..,.-
i ,°� °� ° ,°� ,°� l 1
_i
po • B FLOW BED MATERIAL �� 3"MAX A \o g.� •• o Si o o . c A'
a �� �� �� \\ ivvvvvvvV
66
Ar•ro,' ® NONWOVEN
77. �-� � '��✓✓ Section A-A' FILTER FABRIC
B'
4�VI Profile View Plan View
o A-A'
oc,o,. COBBLE/GRAVEL
B N
BURY INTO BANK 3' ° BED MATERIAL
MIN.(TYP) g o . ROCK VANES MAY CLASS 1 STONE
0 II BE USED IN PLACE OR SALVAGED
OF LOGS AT ONSITE BOULDERS
(° DESIGNER'S DISCRETION RIFFLE INVERT PER PROFILE
o �_ MIN 0.5'xVx1.5'
'� TOP OF BANK(TYP)
LOG STRUCTURE
••. �•,/ 3"MAX
i680 EXPOSED UNTIL ;yyj
II i! , CENTER OF CHANNEL \„\\,; \\
TOP OF BANK \�v ��.
° NOTES: ��\�TOE OF SLOPE
TAIL OF RIFFLE ELEVATION - Section B-B'
Y POINT PER PROFILE \ i '" 3
o • STRUCTURES SHOULD VARY IN SIZE AND TYPE ���77i;,-, ,� ���
NOTES:
WITHIN EACH RIFFLE. Plan View r o
�n • ROCK MAY BE SUBSTITUTED FOR LOGS AT
DESIGNERS DISCRETION.USE CLASS 1 STONE Log Section • IF ONSITE LARGE STONE IS NOT AVAILABLE FOR •
FOR ROCK VANES LOCATED WITHIN THE JAZZ B-B' BOULDERS RIFFLE SHOULD BE CHANGED TO JAZZ
RIFFLE. RIFFLE OR OTHER PER DESIGNERS DIRECTION.
72 • IF A RIFFLE ENDS WITH A SILL IT WILL BE SHOWN • IF A RIFFLE ENDS WITH A SILL IT WILL BE SHOWN IN a, -
IN THE PLANS.REFER TO LOG/ROCK SILL DETAIL ®JdZZ Riffle Structure ®C1lUYl1C37 Riffle THE PLANS.REFER TO LOG/ROCK SILL DETAIL FOR r m
x Not to Scale Not to Scale THIS FINAL STRUCTURE. - ;
FOR THIS FINAL STRUCTURE. O. .a o 8 m

SILL ELEVATION PER
f.
"0 a MIXED STONE TOE OR BRUSH PACK FLOW PROFILE
~ 1 IF DEEMED NECESSARY BY THE DESIGNER HEADER LOG Q
Z 0_ IN THE FIELD POOL LENGTH PER PROFILE 0 o
O / RIFFLE MATERIAL BACKFILL Z Z 1 i
C0 6- RIFFLE BED MATERIAL OR ONSITE '"'
STREAM BED d, ou v.
O p 3 COBBLE/GRAVEL BED MATERIAL STREAMBEDED o o z
Lu 0°-15°ANGLE s�ra _ ,a_- POOL DEPTH PER PROFILE a z =
o- 0 A PER FIELD DIRECTION =_ • --III I Q
• z= = o o . IEIITIIE
A' VI lu L-�_ _11:ii:i:1ay
(TYP)
.. I m¢
TOP OF BANK TYP
_ _ 1111 NONWOVEN FILTER FABRIC FOOTER LOG
WOW Al. 242020alleiroc SILL ELEVATION
air1 II ti n n l • l�
_ ' � Im��A_,f` FOOTER BOULDER PER PROFILE(TYP) EXTEND FILTER FABRIC
B111
A, B' ' CAN BE SUBSTITUTED WITH MIX OF ir V 1 TOE OF SLOPE(TYP) 5'MIN.UPSTREAM
BALLAST,No.57,CLASS A/B/I MATERIAL
EXTEND FILTER WITH DESIGNER'S APPROVAL FLOW POOL/ Profile View
SILL ELEVATION FABRIC 5'MIN. ``PER PROFILE Plan View UPSTREAM Profile A-A' FILTER FABRIC RIFFLE MATERIAL BACKFILL ,1 i _L ,�O\�P�"'�,�b���
TO 4,.•
0:t go
A I ADD ROOT WAD,BRUSH TOE, `,Lrd,'.,,L �'•O�
OTREAMS AS DIRECTOED BY LARGER ' .... sc� S,L.
TOP OF BANK Plan View iS DESIGNER ......•„
SILL ELEVATION PER PROFILE
CHANNEL
v� a/ ENSURE BOULDERS BOTTOM WIDTH
1'MIN OR ROCK BACKFILL
•�,; TRAVELS UP BANK SLOPE
L, ' EMBEDS' A MINIMUM OF 1' /U/
BANKS SHALL BE RAKED,
INTO - 0'-0.2'
SEEDED WITH A TEMPORARY MIX 'lam _ _
BANK(TYP) i��-- - j PER PLANS OR
OF PEARL HEADED MILLET AND Section B-B' f%�� �7`%� v�% FIELD DIRECTION
FESCUE,AMENDED WITH FERTILIZER
AND THAN MATTED OVER WITH EMBED LOG SILL ELEVATION
700G EROSION CONTROL MATTING 4'(MIN.) PER PROFILE(TYP)
Section A-A' Ct
.,-1 •,-1
O
OHO 0 rt
®Rock Sill •Log Sill NOTES: r ,
Not to Scale Not to Scale • ALL LOGS MUST BE 12"MINIMUM DIAMETER V
•-I
y PLACE HEADER BOULDERS TIE BOULDERS TO OPPOSITE BANK •
,�-I 0
0likIli
WITH 1'TO 2'CLEAR SPACE Z
11/ BETWEEN ROCKS TOP OF BANK(TYP)
I T Y
m'► O OIB� LEAVE 1'-2'GAP TTOE OF SLOPE(TYP)I ft ft ,S
6- BETWEEN HEADER BOULDERS
a O EXCAVATE POOL r-� 0
O ir O . FLQ� �COUR-44„ �-PER PROFILE U
2 POOL
TOE OF SLOPE r 1 COBBLE/GRAVEL INVERT ELEVATION ' xj
wi
iit
BED MATERIAL PER PROFILE, �(,"-�� % PLACE HEADER BOULDER O
.11
A, TIE BOULDERS TO OPPOSITE BANK CHANNEL BED ��A' \ ,x
NONWOVEN i/ oco _ LOCATED ON FOOTER ROCK B, TO PREVENT LOG FROM SHIFTING.
1117 FILTER FABRIC , i A OIll.1 j)� CD IWI
VANE ARM `���� �• 1
��
LENGTH(X) \ OFFSET`/ y 20°-30° A-LOG _ - /"
�—B � / TOE OF SLOPE 0.25'TO 05 UPSTREAM
IP'`_ INVERT ELEVATION PER PROFILE, / OF FOOTER LOG
LOCATED ON FOOTER ROCK.
COBBLE GRAVEL �I ��o
BED MATERIAL 5'MIN.
HEADER LOG VANE ARM ��\
/<. LENGTH
Section A-A' (X)
eft SCOUR POOL TO BE NONWOVEN FOOTER LOG B
FILTER FABRIC PLACE HEADER BOULDER EXTEND 5'
�-, EXCAVATED PER DIRECTION TO PREVENT LOG FROM SHIFTING. Plan View INTO BANK
EXTEND 5' B' OF THE DESIGNER. FILTER FABRIC
INTO BANK EXTENDS 5'MIN.
ItSection A-A'
Plan View
BANK TIE IN
ELEVATION POINT
ec° PER PROFILE.
TOP OF BANK
SLOPES COBBLE/GRAVEL BANK TIE IN
L � BED MATERIAL
1/2 to 3/4
BANKFULL HEADER LOG
STAGE TOP OF BANK
Profile B-B' NOTES: ��
o NOTES: (H) g
FL W �� • MEASURE ARM LENGTH(X) FROMcl N ^'
• MEASURE ARM LENGTH(X)FROM BANK O H _ SHOP - BANK TIE ALONG BACK OF LOG s ` V
TIE ALONG BACK OF BOULDERS • LOG DIAMETER TO BE 12"MINIMUM If)
•
• BOULDER 1-HOOK TO BE CONSTRUCTED - FOOTER LOG • ALL BOULDERS TO BE SIZED
AS ALTERNATIVE TO LOG 1-HOOK ONLY APPROXIMATELY 2'X 1'X 1'MINIMUM
AND WITH APPROVAL OF DESIGNER ®ROCK J-Hook ® LOg J-Hook • BOULDER J-HOOK MAY BE v m
• ALL BOULDERS TO BE SIZED Not to Scale SUBSTITUTED WITH APPROVAL OF
x APPROXIMATELY 2'X 1'X 1'MINIMUM Not to Scale Section B-B' DESIGNER. o" f,L o u m
J\ J

,c 1r 1
cq
cn
3' WIDTH PER TYPICAL SECTIONS p,
Zz b� o
BACKFILL � �.,� °off u
DENSELY PACK BRUSH,WOODY DEBRIS AND SOIL A EROSION CONTROL MATTING w 2
EROSION CONTROL MATTING 6 / TO OF BANK(BANKFULL) Z x 5
IN BETWEEN BASE LOGS /, /�,/ / /\/ \��\��\��\�� �����
BASE LOGS PERPENDICULAR TO FLOW ELEV.1 ABOVE /\//\//\� FILTER FABRIC ///�//�/�/\i\� W y H a
,,,(p1 DOWNSTREAM \\j\j /, DENSELY PACKED BRUSH,WOODY DEBRIS AND SOIL /\//,/\\/ Q
Op�PN�I BASE LOGS PARALLEL TO FLOW RIFFLE INVERT ///\\�/\\\�/. '
-cOp •
C(pl l� \\\/ /\/\,\/-/•
Op`PVC) BASE LOG \\%/ TOE OF SLOPE ///\//\\// //\\/
-cOE p�0\0 pl 4"-6"DIAMETER \\ \\ \ \ \ \ \ \j \\/\
Elm / '�/i�/ / l,Z /.�% '�Q�E LOG
gLOp / /�\ \���\ BACKFILL 6-12"DIAMETER ,��o��1v'�"�up���
E0p p) ELEV.6"BELOW- 2'MIN 1 ,�O�•.••• ••:vb'p�
�� PN� A' BRUSH MATERIAL TO BE POOL DEPTH NATIVE SOIL :�r e'`.,_J
Op6 INSTALLED FLUSH
WITH BANK Q" �-�
`$ s m .'m:
G O `1'/G0J
Section A-A' p4 �h4";,P-
Plan View
NOTES:
• LARGE STREAMS INCLUDE ALL OAK HILL DAIRY AND UT1 REACHES
• OVEREXCAVATE 3'OUTSIDE OF TOP OF BANK(BANKFULL).
• INSTALL BASE LOGS PARALLEL TO FLOW AT TOE OF SLOPE.DIAMETER 6"-12".
• INSTALL BASE LOGS PERPENDICULAR TO FLOW AT INTERVALS ALONG BANK,RESTING ON TOP OF PARALLEL
BASE LOGS. BASE LOGS SHALL BE 6"-12"DIAMETER.
• INSTALL A DENSE LAYER OF BRUSH/WOODY DEBRIS,WHICH SHALL CONSIST OF SMALL BRANCHES AND
ROOTS COLLECTED ON-SITE AND SOIL TO FILL ANY VOID SPACE. LIGHTLY COMPACT BRUSH/WOODY DEBRIS
LAYER.
• BRUSH SHOULD BE ALIGNED SO STEMS ARE ROUGHLY PARALLEL AND IS INSTALLED POINTING SLIGHTLY eq
UPSTREAM. 11
INSTALL FILTER FABRIC OVER BRUSH WOODY DEBRIS. lifll C▪!) O
®Brush Toe Oak Hill Creek,UT1 : BRUSH/WOODY
Not to Scale INSTALL EARTH BACKFILL OVER BRUSH/WOODY LAYER ACCORDING TO TYPICAL SECTION DIMENSIONS. I1' � I
• SEED,MULCH AND INSTALL EROSION CONTROL MATTING AND BANK STABILIZATION PER PLANS. III O ,,,rt
U
A NOTES: Plan View LIVESTAKES AND WETLAND SEED
• SMALL STREAMS INCLUDE UT1A,UT2,AND UT3. _ x _ ALONG BMP BANK
y� I EROSION CONTROL MATTING • BACKFILL/GEOLIFT MAY BE REPLACED BY SOD MATS WITH A— -1- — — ��-1- I1 —T 1 OUTLET STRUCTURE OF EROSION ▪'I (n
pl DESIGNER APPROVAL ON BRUSH TOE-SMALL ONLY. CONTROL MATTING,LIVESTAKES,AND ,Z
l ✓ �� + + + + + + + + + + + + cC
HERBACEOUS PLUGS Op�PN� • OVEREXCAVATE 3'OUTSIDE OF TOP OF BANK(BANKFULL). FLOW— �,,yd + + + + + + + + + + + + + i STRUCTURE TO RELEASE
�Op (pl DENSELY PACKED WOODY DEBRIS • INSTALL A DENSE LAYER OF BRUSH/WOODY DEBRIS,WHICH '�'yll + + + + + + + + + } } OVERFLOWS IN DISPERSED MANNER •�
Oc) SHALL CONSIST OF SMALL BRANCHES AND ROOTS COLLECTED iSih! + + + + + + + + + + 1 �, INTO BUFFER AND WETLAND AREAS nft S
Cft5 ON-SITE AND SOIL TO FILL ANY VOID SPACE. LIGHTLY COMPACT + + + + + + + +/A :. 14 ^
�� TOE OF BMP O
DOE BRUSH/WOODY DEBRIS LAYER. `91M -S
�� 1,�.(Pl • INLET CONVEYANCE I. n �. �,� n fLA A-,,,, tu:F1-
TOi U
p BRUSH SHOULD BE ALIGNED SO STEMS ARE ROUGHLY PARALLEL
Ops\_CO' AND IS INSTALLED POINTING SLIGHTLY UPSTREAM. BE WITH STABIROCK
TOP OF BMP A } .. O
-cOE ,tpl A' BRUSH MATERIAL TO BE INSTALLED INSTALL FILTER FABRIC OVER BRUSH/WOODY DEBRIS. STEPS,POOLS,AND BOTTOM OF BASIN TO BE PLANTED WITH HERBACEOUS PLUGS AND I
N`� • INSTALL EARTH BACKFILL OVER BRUSH/WOODY LAYER EROSION CONTROL WETLAND SEED ft
gP FLUSH WITH BANK 0
p ACCORDING TO TYPICAL SECTION DIMENSIONS. MATTING EROSION CONTROL MATTING ON BANKS r r
• SEED,MULCH AND INSTALL EROSION CONTROL MATTING AND HERBACEOUS PLUG ..J
BANK STABILIZATION PER PLANS. PLANTING
Plan View AT ENTRANCE TO BMP
LIVESTAKES TO BE PLANTED ALONG BANKS OF BMP
EROSION CONTROL MATTING TO BE
APPLIED TO ALL SLOPES STEEPER
- 3' WIDTH PER TYPICAL SECTIONS THAN 4:1 AND TO OUTLET BOTTOM OF BASIN TO BE PLANTED
STRUCTURE WITH HERBACEOUS PLUGS AND WETLAND SEED
BACKFILL 3 INCHES OF TOPSOIL TO BE APPLIED
EROSION CONTROL MATTING TO ALL PLANTED AREAS OF BMP
/ T P OF BANK BANKFULL)
/ A'/�\//\// / FILTER FABRIC /\/Td%P O/ BANK(BANK\ •UTLET STRUCTURE OF
\, EROSION CONTROL MATTING
ELEV.6"ABOVE \/ /\// /\ AND PLANTED WITH
DOWNSTREAM \// DENSELY PACKED BRUSH,WOODY DEBRIS AND SOIL / /\%�\/\ LIVESTAKES,HERBACEOUS
oRIFFLE INVERT /\\j\\/ // FLOW—_ ,5y• 4 PLUGS,AND WETLAND SEED
n /\/\\j/\\\//\/ d. �P
TOE OF SLOPE / /\\%\\%\\/ \/� �9 J //\ \ d 1
\/////\/i\/\ /. \ j j\\j /7fi\ Ili \j\j\\\/.\/\/\i'
o" ELEV.6"BELOW NATIVE SOIL \//\j\j/ /i/\/\/\i\\i\\i\\i\\/\�/\\/\A •••\,\�
Y POOL DEPTH IN SITU SOIL
Section A-A'
ENTRANCE TO BMP TO BE PLANTED w
WITH HERBACEOUS PLUGS �^
INLET CONVEYANCE TO BE (' ,
STABILIZED WITH ROCK Section View NOTE: •
,� STEPS AND POOLS BMP DESIGN IS PRELIMINARY AND MAY BE 1 uJ
/'1
ADJUSTED DURING FINAL DESIGN v1s ®Brush Toe-UT1A,UT2,UT3 ®Best Management Practice
u Not to Scale = z
Not to Scale o" o
1

LIVE STAKES AT
3'O.C.ON TOP LIFT 3' REFER TO TYPICAL SECTIONS -
6"SOIL DIVERSION BERM 1 6-7.5 q
PER ENGINEER'S DISCRETION 1'SOIL LIFTS WRAPPED IN CF700 COIR MATTING 0 o
TOP OF BANK 4 z --N m
Amillti_ 1 4
COMPACTED SOIL /� PE \//\\/\\ r az x=�v
- _:
WITH 3-5%ORGANICS 0111111111 i 1 2.7 / - SLO \�\• Q 0 m L- v
/ GV /�//\\//// EXISTING GRADE a w H a
DORMANT BRUSH CUTTINGS OR LIVESTAKES BASE FLOW • / \/\i` '"6
6"MAX.SPACING,SEE SPECIES TABLE •••••:u=a ,' ////jj�\/\\ REFER TO TYPICAL SECTION
=.=•*•=•=•` _ _TOE wSLOPE /\//\//\\j\ ' FOR BANK SLOPES
////\//\\//\\////\///�j\\j\\�i• • \���\l•` NATIVE SOIL
USE RIFFLE MATER/IxAL/YO COMPACTED BACKFILL
BRING BASE UP TO GRADE RIFFLE MATERIAL TO
ppm
NOTES: AS NECESSARY ACHIEVE
INDICATEDIEIGN ON PROFILEPNG P,,.?••••,,,,,...4..4,,1. OVEREXCAVATE BEYOND TOE OF BANK. ATOP FLAP OF EROSION CONTROL ( ) o..;•2. CLASS 1/A/B AND GRAVEL MIX OR EQUAL STONE MAY BE MATTING ON BIO-D BLOCK Po-
SUBSTITUTED FOR OR SUPPLEMENT BRUSH TOE WHERE ON-SITE TOP OF BANK(TYP) Section A-A' RAW0,,A1)o
BRUSH IS
TED
AT DISCRETION
EER)-
41
WITH ONSI EIOR GRADED MATEERIALFTO FILL VOIDSMUST BE MIXED TOE OF SLOPE(TYP) Geolift ,,o sL> iP�
3. INSTALL TOPSOIL NEAR TOP OF BRUSH,PLACE LIVE CUTTINGS WITH �i"r�����
GOOD CONTACT TO SOIL.CUTTINGS TO BE A MIX OF SILKY Live Brush Cuttings or livestakes
FLOW
DOGWOOD,SILKY WILLOW AND NINEBARK AND AT LEAST 36"LONG. Species Name Common Name Stratum Percentage
of Stems
4. NUMBER OF LIFTS AND LIFT OFFSETS MAY BE ADJUSTED BY
TOE OF SLOPE(TYP)
Corm,amomum Silky Dogwood Shrub 70
ENGINEER BASED ON FIELD CONDITIONS.
5. SEED AND MULCH TOP OF EACH LIFT BEFORE SECURING MATTING. Salixsericea Silky Willow Shrub 30
NOTES:
TOP OF BANK(TYP) 1. IF BUILT IN SUMMER,USE LIVESTAKES AT 1'SPACING DURING
A'
SUBSEQUENT DORMANT SEASON.IF BUILT IN DORMANT SEASON
Plan View USE LIVE BRUSH CUTTING AT 6"SPACING.
•
®Geolift
ci.
e ;-I
U
�J
z
FLOODPLAIN ROUGHENING. ;-1
SHARPEN TRUNKS AND BRANCHES AND M.
110111111
.,,., SCARIFY GROUND(<4"DEPTH),APPLY c
DRIVE/PUSH INTO BANK BELOW PROPOSED P WOODY DEBRIS AS DIRECTED, - WIDTH PER TYPICAL SECTIONS Q
WATER LEVEL WOODY DEBRIS AND SOIL I PLANT AVAILABLE TRANSPLANTS O
IN BETWEEN BASE LOGS �, 'r NATIVE SOIL U
'14*16, lit
A EROSION CONTROL MATTING 0
EROSION CONTROL MATTING //•//v/ TO OF BANK(BANKFULL)
/ ///I1%�/► • /\\///\\//\\//\\//\\//\\//\\//\\ FILTER FABRIC ///\/////\/\/\/ i\
°FOP j/���"/�I�.,�///,✓/%%j�,�/�► / \\/\\ O �J
•
° d SL ' \\/14 • j/j' TOE OF SLOPE \///\\//\j\\/.
° S�,OP� \///\/\\// \\\.\\//.\//� FROM BANKMAXIMUMDIS1 TAN E
"c° 11,c.(P) A' NATIVE SOIL
°03. ROOT WAD DIAMETER
Section A-A'
3 Plan View
3
NOTES:
• BUILD TYPICAL SECTION IN CUT
• SECURE MATTING TO UPPER BANK
• DRIVE VARIED SIZE ROOTWADS AND BRANCHES INTO CHANNEL TOE BETWEEN WSF AND LOWER LIMITS OF
CUT FOR POOL c
o" • CREATE NON-UNIFORM ROUGHENED BANK CONDITIONS TO REDUCE NEAR BANK VELOCITY
Q m
0
....
71-1
•
If)
®Bank and Floodplain Roughening v _ u
Not to Scale e
z _ 9 v
o
1

�C Y 1
cn
2'TYPICAL
Zz -No
BUFFER WIDTH tra).
rc v d;u'.
VARIES DIBBLE BAR
�w Pz�v
PLANTING BAR SHALL HAVE A / Z x
7 m v vo_ v
BANKFULL BLADE WITH A TRIANGULAR NOTES: �ir w „H
'�� y CROSS-SECTION,AND SHALL '"�'
�w� `w� w� � � RESTORED v \ \v� v� BE 12 INCHES LONG,4 1. ALL SOILS WITHIN THE BUFFER
\r \?��%!�,���\\�?�%��/\i�`i`` CHANNFJ z\\�%%\\,>\\\/%!,ice,z,�/��/,,� //��iz INCHES WIDE AND 1 INCH PLANTING AREA SHALL BE 0
v(\>U �, ��v>vy THICK AT CENTER. DISKED,AS REQUIRED,PRIOR
`��\ �y�YG'<,i,� ��7�\� `�% TO PLANTING. /
.v V��i�����/`�� �i iev ROOTING PR U N I N G
` 2. ALL PLANTS SHALL BE
SPACING PER PROPERLY HANDLED PRIOR TO
PLANTING PLAN ALL ROOTS SHALL BE PRUNED INSTALLATION TO INSURE
Section View TO AN APPORIATE LENGTH
SURVIVAL.
TOPREVENTI-ROOTING. _-+ -� p��""�fr
-� � rri
�
AAA\VA\VA\VA\\
vvvv �� °r:"4/4>)s,
`O O O O O O / v / / % *NOV
/\/\ / /\/\%1.5xCONTAINER A � FA¢ i.W Om?
DEPTH 'd' Up
�A -'u4/,. ,..J'
\ tttt.t•o/
, i \ 1 \
INSERT THE DIBBLE,OR REMOVE THE DIBBLE,OR INSERT THE DIBBLE,OR PUSH THE DIBBLE,OR PULL BACK ON THE REMOVE THE DIBBLE,OR
SHOVEL,STRAIGHT SHOVEL,AND PUSH THE SHOVEL,SEVERAL SHOVEL,DOWN TO HANDLE TO CLOSE THE SHOVEL,AND CLOSE AND
DOWN INTO THE SOIL SEEDLING ROOTS DEEP INCHES IN FRONT OF THE FULL DEPTH OF BOTTOM OF THE FIRM UP THE OPENING 2x CONTAINER WIDTH
TO THE FULL DEPTH OF INTO THE PLANTING HOLE. THE SEEDLING AND THE BLADE. PLANTING HOLD. THEN WITH YOUR HEEL. BE
THE BLADE AND PULL PULL THE SEEDLING BACK PUSH THE BLADE PUSH FORWARD TO CLOSE CAREFUL TO AVOID
BACK ON THE HANDLE UP TO THE CORRECT HALFWAY INTO THE THE TOP,ELIMINATING AIR DAMAGING THE SEEDLING.
TO OPEN THE PLANTING PLANTING DEPTH(THE SOIL. TWIST AND PUSH POCKETS AROUND THE
HOLE. (DO NOT ROCK ROOT COLLAR SHOULD BE THE HANDLE FORWARD ROOT.
THE SHOVEL BACK AND 1 TO 3 INCHES BELOW THE TO CLOSE THE TOP OF Cll .rt
FORTH AS THIS CAUSES SOIL SURFACE). GENTLY THE SLIT TO HOLD THE -I—)
SOIL IN THE PLANTING SHAKE THE SEEDLING TO SEEDLING IN PLACE. ---1
HOLE TO BE ALLOW THE ROOTS TO
COMPACTED, STRAIGHTEN OUT. DO
INHIBITING ROOT NOT TWIST OR SPIN THE ®Bare Root Planting ®Containerized Planting 0 r
GROWTH. SEEDLING OR LEAVE THE Not toScale Not toScale V
ROOTS 1-ROOTED.
TOP OF BANK NOTES: •r�-I O Cn
NOTES: TRANSPLANTED SOD AND ROOTMASS Z
ct
LIVE STAKE(TYP) LIVE STAKES TO BE PLANTED • PREPARE THE BANK WHERE THE SOD MAT
3' /SEE PLAN VIEW IN AREAS AS SHOWN ON WILL BE TRANSPLANTED BY RAKING& CI.)./ FOR LONGITUDINAL SPACING PLANS AND DIRECTED BY THE FERTILIZING. TOP OF BANK .,
HERBACEOUS PLUG(TYP) fff DESIGNER. • EXCAVATE TRANSPLANT SOD MATS WITH A (t
WIDE BUCKET AND AS MUCH ADDITIONAL �� �� ��
SEE PLAN VIEW FOR LONGITUDINAL SPACING 2' - • �`%�%�%�%�%%�%`
') SOIL MATERIAL AS POSSIBLE. i i
iyvyvvvvv` �
• PLACE TRANSPLANT ON THE BANK TO BE \ = U
C� ` �"� � v�
,i�j-lj � STABILIZED. �:/�/�/�/�/�/�/�/�/�/�'
���. ili\i��ii�6 TOP OF BANK y `y `y`y`y`y \` fJ
i� V' \ FILL IN ANY HOLES AROUND THE
BASE FLOW WATER SURFACE ���` TRANSPLANT AND COMPACT.
Section View 0
%��`// • ANY LOOSE SOIL LEFT IN THE STREAM CI
LIVESTAKES-3 ROWS @ 4'SPACING TOE OF SLOPE IDI ,.���,���� NN SHOULD BE REMOVED. Riffle Installation rt
PLUGS-2 ROWS @ 4'SPACING -`i`i`i`i�`i�`i�`iw�`�U�U�` HIGHEST LIVE STAKE TO BE • PLACE MULTIPLE TRANSPLANTS CLOSE
'\\\\\\\\\\\ `\Y\� PLACED AT TOP OF BANK TOGETHER SUCH THAT THEY TOUCH.
TOE OF SLOPE
i�i.�i.�i✓i�i.�i.�i� '�
LIVESTAKES-3 ROWS @ 3'SPACING LOWEST HERBACEOUS PLUG TO BE PLACED
PLUGS-2 ROWS @ 2'SPACING � AT TOP OF BASE FLOW WATER SURFACE TRANSPLANTED SOD AND ROOTMASS
Section View-Large Streams 1/2"TO 2" 2'TO 3'LIVE STAKE
Plan View-Large Streams DIAMETER TAPERED AT BOTTOM
(Oak Hill Creek and UT1) (Oak Hill Creek and UT1
TOP OF BANK
1'OUTSIDE TOP OF BANK
y 1' Live Stake Detail y.y.y.y.y.y.
LIVE STAKE(TYP)
SEE PLAN VIEW TOE OF SLOPE
1, ;� FOR LONGITUDINAL SPACING FLOW
HERBACEOUS PLUG(TYP) --,--_
61 SEE PLAN VIEW FOR LONGITUDINAL SPACING i^ ��i� �i �i\i�
��/1 \\��jj�`I\j/4 TOP OF BANK Plan View
��;
i� >' Riffle Installation CONSTRUCTED RIFFLE
F BASE FLOW WATER SURFACE y����
i Gam\
a TOE OF SLOPE i \\�'� LIVE STAKE TO BE
b LIVESTAKES-2 ROW @ 4'SPACING iU\\� LACED 1'OUTSIDES
° PLUGS-1 ROW @ 4'SPACING %A/AjAjAjA/A/AyjAj Y OF TOP OF BANK 4
6' TOE OF SLOPE /������� ��
M LIVESTAKES-2 ROW @ 3'SPACING //� LOWEST HERBACEOUS PLUG TO BE PLACED N W
vo
o PLUGS-1 ROW @ 4'SPACING Y 1'ABOVE BASE FLOW WATER SURFACE '-'o
N l
I Section View-Small Streams11 s
Plan View-Small Streams UT1A,UT1B,UT2,AND UT3) ±' ^
(UT1A,UT1B,UT2,AND UT3) u J
®Live Staking&Herbaceous Plugs 2 r o
®Transplanted Sod Mats b
Not to Scale a z
x Not to Scale A o o 2 8r8"
..\ .1

/ ' (' 1 SOIL EXCAVATED IN
CLAY MATERIAL PLACED IN 6"TO 8"LIFTS TRENCHLINE SHALL BE
EACH LIFT SHOULD BE COMPACTED PLACED ON UPHILL
USING A SHEEP'S FOOT ROLLER OR SIDE OF ROLL
SIMILAR BASED ON EROSION AND 1"x1"x24"WOOD STAKE, Q,
SEDIMENT CONTROL APPROVAL TOE OF DISTURBED 6'O.C. Z
VALLEY SLOPE Z o N
NONWOVEN 8-10"DIA.FIBER ROLL w
TRIM FILTER FABRIC BELOW FILTER FABRIC OF STRAW&BURLAP z f;z
GRADED SURFACE TWINE MESH x=
Q0 m >T, a
DITCH BACKFILL I-�,z. .,H =
&SX\XXS
/
\/\\\ \y\\/
s>
EXISTING DITCH FLOW i\\/%\j\\\ --;4<\%\j 6"TO 8"LIFT 2"MIN
\\j\\/�\�\\\ \\\\\\\\/%\\"\\\ \
\\ \/i\\\\\xxxxk_ \/\ \/ 4"MAX NEW CHANNEL
/\\j\\\ \ /\ \ Section View
\\��/\ I� �� �� �� \ NOTES: oav uyuo100
I I 4I I I I I I I► I I
• WATTLES TO BE PLACED TO ADDRESS :,r ��
TEMPORARY OR MINOR EROSION ��•�� 0 ,.,
EXISTING DITCH BOTTOM �SS
EXTEND TO IN-SITU MATERIAL CONTROL ISSUES.WATTLES TO BE , t `''T�';
PLACED AS DIRECTED BY DESIGNER OR ., m�
AS DIRECTED BY CONTRACTOR'S PLACE SOIL
IONGEXCAVATED ON L SIDE OF ROLL Oi+.,7:_tr• sP,J
EROSION CONTROL SELF-INSPECTION ,,,,uo,
REPORTS
DRIVE STAKES OVERLAP ROLL EDGES 12"
NOTES: MAINTENANCE NOTES: IN ON ALTERNATING AND SECURE TO PROVIDE
SIDES OF ROLL • A TIGHT JOINT
•
ALL INSTALLED WATTLES SHOULD BE INSPECTED y
• CLAY MATERIAL TO BE APPROVED BY AT LEAST ONCE WEEKLY OR AFTER 1"OF 6'-0"44* 6'-0" *
DESIGNER OR ON-SITE INSPECTOR. PRECIPITATION WITHIN 24 HOURS. MAX., MAX., m• • r
• ALL WOODY AND HERBACEOUS • IF TRAPPED EXCESS SEDIMENT ON THE
VEGETATION MUST BE REMOVED FROM • UPGRADIENT SIDE OF THE WATTLE IS GREATER •••-- • TYP. a NOJ y
AREA TO BE PLUGGED PRIOR TO THAN 6"DEEP OR HALF THE TOTAL HEIGHT OF •• ,••
INSTALLATION THE WATTLE,THE SEDIMENT SHOULD BE M
• PLUG SHOULD EXTEND FROM TOP OF REMOVED AND DISPOSED OF ON SITE. J •• y 4
DITCH TO TOP OF DITCH WITHIN THE • MONITOR FOR RUNOFF PIPING AROUND OR F<o
DITCH CROSS SECTION UNDER INSTALLED WATTLES `-. .: tt
CL) ---i
1111=111 IZL
E O
®Wetland Ditch Plug ®Straw Wattles u
Not to Scale Not to Scale Cli
bt +J
••"i ;-.I
z •
Q
— u
BACKFILL(ON-SITE NATIVE 1' f (2)) o
MATERIAL OR NO.57 STONE) NOTES: FTi-�I ,Ci y
1' HEADER LOG O
Y • PROVIDE TURNING RADIUS SUFFICIENT TO ACCOMMODATE �p� y-I +'
NONWOVEN Div„ „ „ FOOTER LOG LARGE TRUCKS. ip���i ""
FILTER FABRIC \y/:YV�\ LOCATE CONSTRUCTION ENTRANCE AT ALL POINTS OF INGRESS pip c*1
AND EGRESS UNTIL
IS STABILIZED. PROVIDE
UENT
f_6 STABILIZE VANE �� jIIIIIt • CHECKS BE MAINTAINED THE
AEVICSITE
AA CONDITION ELY MAINTENANCE.INT CLaPREVENT a��IIIIIIIIIIIIQ `J
/
WITH ONE BOULDER TRACKING OR DIRECT FLOW OF MUD ONTO STREETS. PERIODIC p i'�I
ON EACH SIDE OP
CLASS A STONE TOP DRESSING WITH STONE WILL BE NECESSARY. Q. ��
CLASS B STONE • ANY MATERIAL TRACKED ONTO THE ROADWAY MUST BE J0` °�
CLEANED IMMEDIATELY. Q
EXTEND FILTER FABRIC y • USE CLASS A STONE OR OTHER COARSE AGGREGATE ♦ ° ° 50'
5'MIN.UPSTREAM APPROVED BY THE DESIGNER.
PLACE FILTER FABRIC BENEATH STONE. pp °
000'
MAINTENANCE NOTES: ��p
lel.04 �� INVERT ERELEVATION
PROFIILE • ALL CONSTRUCTION ENTRANCES SHOULD BE Ap10����p CLASS A STONE
INSPECTED AT LEAST ONCE WEEKLY OR AFTER 1" �� 8"MIN.DEPTH ..t°�'J' .
OF PRECIPITATION WITHIN 24 HOURS. V��* T
o / �� •• EXCESS SEDIMENT ON THE CONSTRUCTION y
/ / *..._ ENTRANCE SHOULD BE REMOVED OR 12�
S cl ADDITIONAL ROCK APPLIED TO CAP ENTRANCE
H SLOPE • REPAIR RUTS OR POTHOLES ALONG
CONSTRUCTION ENTRANCE,ESPECIALLY AT THE
INTERFACE BETWEEN THE CONSTRUCTION
�� ENTRANCE AND PUBLIC ROAD
HEADER LOG • REMOVE ANY SEDIMENT TRACKED ONTO PUBLIC
o"
ROAD IMMEDIATELY.
= FOOTER LOG �
0
ec EXCAVATE POOL .,o
Z) PER PROFILE r o Z)
'^
s ®Construction Entrance
E �
x ®Log Vane Not to Scale = - i 1
Not to Scale o" a o

,/ Y 1
MAINTAIN 25'BUFFER BETWEEN OFF-LINE CHANNEL
/ CONSTRUCTION AND EXISTING FLOWING CHANNEL. PROPOSED STREAM MUST BE FULLY STABILIZED WITH EROSION CID
BUILD THIS SECTION OF PROPOSED STREAM WHEN READY CONTROL MATTING,MULCH,AND SEED OR SOD MATS BEFORE
TO TURN WATER INTO PROPOSED STREAM FLOWING WATER IS ALLOWED IN CHANNEL. 0
SURFACE WATER DIVERSION SEQUENCE: 'Z z o N N o
1. IMPLEMENT SURFACE WATER DIVERSION WHERE REQUIRED BY THE SPECIFICATIONS OR AS DIRECTED BY THE 1 a w v
DESIGNER. Q z x_vo 3.,,2. IDENTIFY THE EXPECTED ACTIVE WORK AREA OF THE STREAM FOR EACH WORK DAY.THE CONTRACTOR SHALL 0 m r v
DISTURB ONLY AS MUCH CHANNEL AS CAN BE STABILIZED WITH SEEDING,MULCH,AND EROSION CONTROL 14, H w m¢H
MATTING BY THE END OF EACH WORK DAY. /
3. CONSTRUCT OFF-LINE CHANNEL ACCORDING TO THE PLANS AND IN THE DRY WHILE WATER CONTINUES DOWN
THE EXISTING STREAM.USE CARE NEAR ACTIVE STREAM TO PREVENT SEDIMENT SPILLAGE INTO STREAM.
MAINTAIN 25'BETWEEN THE BEGINNING OF ACTIVE CONSTRUCTION AND THE UPSTREAM TIE OUT POINT UNTIL
SECTION OF PROPOSED OFF-LINE STREAM IS FULLY CONSTRUCTED AND STABILIZED. \ 4 14:11.4. STABILIZE OUTLET OF OFF-LINE PROPOSED CHANNEL
4. IDENTIFY WHERE OFF-LINE PORTION OF STREAM WILL TIE BACK INTO THE EXISTING DITCH/STREAM.PROCEED BEFORE TURNING WATER INTO PROPOSED CHANNEL
WITH OFF-LINE CONSTRUCTION UNTIL REACHING THIS DOWNSTREAM TIE OUT POINT. CONSULT DESIGNER OR \ - y •
CONSTRUCTION SEQUENCE TO DETERMINE TIE OUT POINTS.STABILIZE THE DOWNSTREAM TIE OUT POINT. �\ :� A0
5. HARVEST MATERIAL FROM EXISTING DITCH/STREAM BY UTILIZING THE PUMP-AROUND SYSTEM DETAIL(DETAIL v p 4���������iAi�
2,SHEET 5.7).APPLY HARVESTED MATERIAL TO PROPOSED STREAM. 'TFQ ;O��P..••'�' �i)�
6. WHILE STILL PUMPING AROUND,CONSTRUCT THE LAST 25'OF PROPOSED STREAM TO COMPLETE THE J}.\ �o-�+
UPSTREAM TIE OUT TO THE EXISTING DITCH/STREAM. �''F •
7. AFTER WATER HAS BEEN TURNED INTO PROPOSED STREAM,BEGIN BACKFILLING EXISTING STREAM FROM • 9�i " °'4
UPSTREAM TO DOWNSTREAM. ` 4Om`
Or
NOTES: ST/4/G'S __� &uuu o
• ACTIVE WORK AREAS THAT ARE OFF-LINE MUST BE DEWATERED USING A GRASSED FILTER STRIP OR TRF444
DEWATERING BAG.
• SURFACE WATER DIVERSION MAY ONLY BE USED IN LOCATIONS WHERE PROPOSED STREAM IS FULLY
OFF-LINE OF EXISTING STREAM
EXISTING STREAM MAY ONLY BE BACKFILLED AFTER DEWATERING OF ACTIVE WORK AREA REQUIRES A FILTER STRIP OR
WATER HAS BEEN TURNED INTO STABILIZED PROPOSED STREAM. DEWATERING BAG.
ss
BACKFILL FROM UPSTREAM TO DOWNSTREAM OF EXISTING STREAM SEE DETAIL 2,SHEET 5.7(BELOW)FOR DETAIL ON DEWATERING BAG
SETUP.
PUMP-AROUND SYSTEM MUST BE USED WHEN HARVESTING BED
MATERIAL FROM EXISTING STREAM
ft
-I-
.� .�
O
rt
®Surface Water Diversion •o U
Not to Scale (t
HIGH STRENGTH • -I-
1-1 0
BAG DOUBLE STITCHED
/SAND
(24"X 12"X 6) "1"TYPE SEAMS.IMPERVIOUS DIKE ?/ INTAKE HOSE
OR STONE. / PUMP BAG PLACED ON SEWN IN SPOUT '�
(IMPERVIOUS SHEETING (SEE INSET"B")
1 AGGREGATED OR STRAW. HIGH STRENGTH STRAPPING ., r
FLOW -4. r FOR HOLDING HOSE (�
T EXISTING TERRAIN /DEWATERING BAG
I IN PLACE. // 0
.� ������ �� 10' DEWATERING
V! !v ! !v I DISCHARGE HOSE BAG .--WATER FLOW STREAM BED/
Inset"B" r\ FROM PUMP .,,;�
Impervious Dike �, % I 15' +�
FLEXIBLE 0 r1r�
DISCHARGE HOSE FILTER FABRIC 6"of CLASS B RIPRAP V
Inset°A" OR WOODEN PALLETS.
PUMP-AROUND SEQUENCE: Dewatering Bag 15'to 20' BAG MAY ALSO BE
PLACED IN CHANNEL
1. IMPLEMENT PUMP-AROUND WHERE REQUIRED BY THE SPECIFICATIONS OR AS DIRECTED BY THE DESIGNER. %IvPROPOSED TO BE FILLS
2. IDENTIFY THE EXPECTED ACTIVE WORK AREA OF THE STREAM FOR EACH WORK DAY.THE CONTRACTOR SHALL OR ON THE EXISTING
DISTURB ONLY AS MUCH CHANNEL AS CAN BE STABILIZED WITH SEEDING,MULCH,AND EROSION CONTROL VEGETATED FLOODPLA N
MATTING BY THE END OF EACH WORK DAY.STREAM WORK SHOULD NOT BE PERFORMED,AND PUMP-AROUND
SHOULD NOT BE IMPLEMENTED,IF STREAM FLOW EXCEEDS PUMP CAPACITY.
3. MOBILIZE PUMP-AROUND EQUIPMENT TO THE ACTIVE WORK AREA.POSITION PUMP INTAKE JUST UPSTREAM OF
THE ACTIVE WORK AREA AND POSITION DISCHARGE HOSE DOWNSTREAM OF THE ACTIVE WORK AREA.STABILIZE
OUTLET AREA OF DISCHARGE HOSE AS SHOWN IN DETAIL.PUMP AND HOSES MUST HAVE SUFFICIENT CAPACITY ACTIVE WORK AREA ,,
TO HANDLE TYPICAL BASE FLOW CONDITIONS IN THE RESPECTIVE STREAMS,OR ANY CONDITION UNDER WHICH
THE CONTRACTOR DESIRES TO CONTINUE WORK.
4. INSTALL IMPERVIOUS DIKES DOWNSTREAM OF THE INTAKE HOSE AND UPSTREAM OF THE DISCHARGE HOSE. STABILIZED OUTLET USING CLASS B
ENSURE NO WATER BYPASSES DIKES AND ACTIVE WORK AREA IS ISOLATED FROM THE FLOWING STREAM. RIPRAP TRENCHED INTO EXISTING
5. START PUMP AND BEGIN PUMPING AROUND IMMEDIATELY AFTER IMPERVIOUS DIKE INSTALLATION.MONITOR INTAKE HOSE GROUND A MINIMUM OF 6". SIZE AND
PUMP AND WATER LEVELS AT THE UPSTREAM IMPERVIOUS DIKE THROUGHOUT THE DAY.ADJUST DIKE OR PUMP •
IMPERVIOUS DIKE LOCATION TO BE DETERMINED IN THE
•EWATERING (SEE INSET"B") FIELD BY THE DESIGNER.
o SIZE AS NEEDED TO ENSURE THAT ALL STREAM FLOW BYPASSES THE ACTIVE WORK AREA. PUMP
6. DE-WATER THE ACTIVE WORK AREA BY POSITIONING A SEPARATE PUMP NEAR THE DOWNSTREAM END OF THE
ACTIVE WORK AREA.WATER PUMPED FORM THE ACTIVE WORK AREA SHOULD PASS THOROUGH A �� FLEXIBLE DISCHARGE HOSE FROM
_ DE-WATERING BAG BEFORE DISCHARGING TO THE STREAM.SEE DETAIL AND SPECIFICATIONS FOR PROPER / 10'MIN. PUMP AROUND PUMP HELD IN PLACE
DE-WATERING BAG TYPE AND INSTALLATION.THE ACTIVE WORK AREA SHOULD BE DE-WATERED WHENEVER A WITH SAND BAGS AS NEEDED.
SUFFICIENT AMOUNT OF WATER ACCUMULATES IN THE ACTIVE WORK ZONE TO IMPEDE CONSTRUCTION
z
PROGRESS.
o" 7. WITH FLOW DIVERTED,HARVEST COBBLE AND GRAVEL MATERIALS FROM THE BED OF THE DE-WATERED ei
������
�����y������a,a�a�ay������a,a�ay ���;
CHANNEL FOR RE-USE IN CONSTRUCTED RIFFLES AND OTHER IN-STREAM STRUCTURES. DISCHARGE HOSE 10'X 5'STABILIZED OUTLET ,- ' ����
N
0 8. COMPLETE ALL STREAM GRADING AND IN-STREAM STRUCTURES WITHIN THE ACTIVE WORK AREA. DEWATERING BAG USING CLASS B RIPRAP AND // /' N CA ,--,
ti 9. WHEN STREAM WORK WITHIN THE ACTIVE WORK AREA IS COMPLETE,FULLY STABILIZE THE NEWLY (SEE INSET"A") NCDOT TYPE 2 FILTER FABRIC. e'v FILTER FABRIC N 4
cl CONSTRUCTED CHANNEL BEFORE SHUTTING DOWN THE PUMP-AROUND SYSTEM.STABILIZATION CONSISTS OF (SEE INSET"C") r o
SEEDING,MULCHING,AND INSTALLING EROSION CONTROL MATTING ALONG GRADED BANKS AS INDICATED IN t •
� /`�
THE DETAILS. Inset"C" u J
10. ONCE THE ACTIVE WORK AREA IS STABILIZED,TURN OFF PUMPS AND REMOVE IMPERVIOUS DIKES.MOBILIZE Plan View
THE SYSTEM TO THE NEXT ACTIVE WORK AREA. Stabilized Outlet
®Pump Around System E ,9 m
Not to Scale d z
o" .-2. a o 6 m
_A I

N r- 6"MIN.OVERLAP IN 2" / 1.25" v
DOWNSTREAMAMTECTION f \ IT ,\\�
AT MAT ENDS 2'J I I r\\I
(TYP) TOP OF BANK MUD MATS 5'DIM
fi t 11IIIIII�#JI II ( WATER DIVERSION CHANNEL Z 0
3'MAX. -+ -- + - Z o�F�
SPACING ------___' + + + II 1+ + + a. HI 6"MIN I
+ + - + T 12} + SUPPORTLOG i - °'
T T ,,
W 6 H
Iffff 4, ill ,,,\ 1 AIII1AdIII 12" MIN. FILTER FABRIC i--1
STAKE(TYP) TOE OF SLOPE CLASS BSTONE
Plan View Eco-Stake
Typical Stake
NOTES: ,,,,,amu44,�,i
p '
EROSION CONTROL • CONSTRUCT STREAM CROSSING WHEN FLOW IS AT OR BELOW NORMAL BASEFLOW. o�+••• `,.Nt bom>,
•
MATTING(TYP) TOP OF BANK • BRIDGE MATS SHALL BE PLACED FROM ABOVE RATHER THAN DRAGGED INTO PLACE. �o-r ,:
SECURE MATTING IN • MINIMIZE CLEARING AND EXCAVATION OF STREAMBANKS. DO NOT EXCAVATE CHANNEL BOTTOM. �„` Sa:
/ 6"DEEP TRENCH IF DIRECTED BY THE DESIGNER • INSTALL STREAM CROSSING PERPENDICULAR TO THE FLOW. i.r +mom
STAKE(TYP) ' • MAINTAIN CROSSING SO THAT RUNOFF IN THE CONSTRUCTION ROAD DOES NOT ENTER CHANNEL.SMALL DIVERSION cC. •OOj`
A/// r: CHANNELS,ADDITIONAL ROCK,OR STRAW/COIR WATTLES MAY BE REQUIRED.INSTALL AS DIRECTED. ��i� : ��TOE OF SLOPEN. �,/ �' � •/� • STABILIZE AN ACCESS RAMP OF CLASS B STONE TO THE EDGE OF THE MUD MAT. 1110,,,
MATTING TO BE BURIED /i�i • CONTRACTOR SHALL DETERMINE APPROPRIATE RAMP ANGLE ACCORDING TO EQUIPMENT USED.
BELOW RIFFLE MATERIAL //iyi��'� • ADDRESS STEEP TRANSITIONS TO THE CROSSING THAT PRESENT AN EROSION OR SEDIMENTATION RISK WITH
�,V %� TAKE(TYP) APPROPRIATE COUNTERMEASURES SUCH AS STONE OR END OF DAY COVER OR SEDIMENT BARRIER APPLICATIONS.
\xxxxj���VAA MAINTENANCE NOTES: MAINTENANCE NOTES:
Section View • ALL EROSION CONTROL MATTING SHOULD BE • ALL TEMPORARY STREAM CROSSINGS SHOULD BE INSPECTED AT LEAST ONCE WEEKLY OR AFTER 1"
INSPECTED AT LEAST ONCE WEEKLY OR AFTER 1" OF PRECIPITATION WITHIN 24 HOURS.
OF PRECIPITATION WITHIN 24 HOURS. • IF EXCESSIVE SEDIMENT IS BEING TRACKED ON TOP OF MATS THEN REMOVE WITH SHOVEL AND
• ANY MATTING FAILURES SHOULD BE REPAIRED DISPOSE OF PROPERLY.
WITHIN 24 HOURS. • TERRACE SLOPES ENTERING AND EXITING FROM CROSSINGS MUST BE WELL MAINTAINED. DIVERT
• TENTING(EROSION OCCURRING UNDERNEATH SURFACE RUNOFF AWAY FROM CROSSINGS,APPLY WATTLES OR SURFACE STONE AS NECESSARY.
INSTALLED MATTING)WILL REQUIRE PEELING
BACK MATTING,REPAIRING ANY RILLS,AND ft
REAPPLYING THE MATTING.
•,-i •r1
O
®Erosion Control Matting H 1
�
Not to Scale � ®Temporary Stream Crossing Timber Mat } U
Not to Scale
•/ I-1 ;-IO Y
(71
y 8'MAX.WITH WIRE /�
(6'MAX.WITHOUT WIRE) ft
MIDDLE AND VERTICAL WIRES
SHALL BE 1211GAGE MIN. 0
U
NOTES: NOTES:
• USE WIRE A MINIUM OF 32"IN WIDTH AND STOCKPI ft O
_ WITH A MINIMUM OF 6 LINES OF WIRES WITH • SILT FENCE SHALL BE PLACED ON DOWNSLOPE O 1
FILTER FABRIC 12"STAY SPACING. SIDE OF ALL STOCKPILES.
• USE FILTER FABRIC A MINIMUM OF 36"IN • STOCKPILES SHALL BE LOCATED A MINIMUM OF 1
I WIDTH AND FASTEN ADEQUATELY TO THE 50 FEET FROM STORM WATER DRAINS OR
TOP AND BOTTOM STRAND WIRES AS DIRECTED BY THE DESIGNER. INLETS.
SHALL BE 10 GAUGE MIN. • PROVIDE 5'STEEL POST OF THE 2 MIN.
II iiiiiiiiiii- SELF-FASTENER ANGLE STEEL TYPE. ANGLE
WIRE ,y„,,,, ,,,, . STEEL TYPE.
J -
MAINTENANCE NOTES: MAINTENANCE NOTES:
• ALL SILT FENCE SHOULD BE INSPECTED AT
LEAST ONCE WEEKLY OR AFTER 1"OF • ALL STOCKPILE AREAS AND SILT FENCES SHALL
PRECIPITATION WITHIN 24 HOURS. BE INSPECTED AT LEAST ONCE PER WEEK OR
• TEARS IN THE FENCE,UNTRENCHED AREAS, AFTER 1"OF PRECIPITATION WITHIN 24 HOURS. SILT FENCE
OR OTHER FENCE FAILURES SHOULD BE • SILT FENCE SHOULD BE INSPECTED FOR TEARS,
REPAIRED WITHIN 24 HOURS. UNTRENCHED AREAS,OR OTHER FAILURES AND
b • SEDIMENT TRAPPED BEHIND SILT FENCE REPAIRED WITHIN 24 HOURS
FILTER FABRIC SHOULD BE CAREFULLY REMOVED ONCE • SEDIMENT SHALL BE REMOVED FROM BEHIND
o COMPACTED FILL- EXISTING GROUND DEPTH REACHES 6". THE SILT FENCE ONCE DEPTH REACHES 6"
• ANY SOIL STOCKPILES LEFT IN PLACE FOR
s LONGER THAN 7 DAYS SHALL BE SEEDED AND
`,M y;. MULCHED OR OTHERWISE STABILIZED.
STEEL POST
° 2'-0"DEPTH
i' 4
o EXTEND FABRIC
Mx INTO TRENCH
o 3 a w
0
If)
®Temporary Silt Fence g m
Not to Scale ®Stockpile and Staging Areas - .b
k Not to Scale v z v 6
p � c: oc� us,
..1 _ o J

gC V
CO
Q
zD "a�
Z onto PART III PART III PART III itiZ
1vN
z
_N
SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING 1216 „ v v
z m6A''a
w
SECTION A:SELF-INSPECTION SECTION B:RECORDKEEPING SECTION C:REPORTING
Self-inspections are required during normal business hours in accordance with the table 1.E&SC Plan Documentation 1.Occurrences that must be reported
below. When adverse weather or site conditions would cause the safety of the inspection The approved E&SC plan as well as any approved deviation shall be kept on the site. The Permittees shall report the following occurrences:
personnel to be in jeopardy,the inspection may be delayed until the next business day on approved E&SC plan must be kept up-to-date throughout the coverage under this permit. The (a) Visible sediment deposition in a stream or wetland.
which it is safe to perform the inspection. In addition,when a storm event of equal to or following items pertaining to the E&SC plan shall be documented in the manner described:
greater than 1.0 inch occurs outside of normal business hours,the self-inspection shall be b Oil spills if: �¢+,,,,
( ) p' Damn
performed upon the commencement of the next business day. Any time when inspections °P q�•'vb''.
were delayed shall be noted in the Inspection Record. • They are 25 gallons or more, o�f••• •.;.�.,
• They are less than 25 gallons but cannot be cleaned up within 24 hours, LI f � }
Item to Document Documentation Requirements OL di?:
Frequency • They cause sheen on surface waters(regardless of volume),or V•,P v' 70;
(a) Each E&SC Measure has been installed Initial and date each E&SC Measure on a copy od:?;k� t•6 p
Inspect (during normal Inspection records must include: • are within 100 feet of surface waters(regardless of volume G,°N ' ••'yo•-
and does not significantly deviate from the of the approved E&SC Plan or complete,date They )• ., s�.
business hours) iiniat
(1)Rain gauge Daily Daily rainfall amounts. locations,dimensions and relative elevations and sign an Inspection report that lists each
maintained in If no daily rain gauge observations are made during weekend or shown on the approved E&SC Plan. E&SC Measure shown on the approved E&SC
good working holiday periods, and no individual-day rainfall information is Plan. This documentation is required upon the (a) Releases of hazardous substances in excess of reportable quantities under Section 311
order available,record the cumulative rain measurement for those un- initial installation of the E&SC Measures or if of the Clean Water Act(Ref:40 CFR 110.3 and 40 CFR 117.3)or Section 102 of CERCLA
attended days (and this will determine if a site inspection is the E&SC Measures are modified after initial (Ref:40 CFR 302.4)or G.S.143-215.85.
needed). Days on which no rainfall occurred shall be recorded as installation.
"zero." The permittee may use another rain-monitoring device
approved by the Division. (b) A phase of grading has been completed. Initial and date a copy of the approved E&SC (b) Anticipated bypasses and unanticipated bypasses.
(2) E&SC At least once per 1. Identification of the measures inspected, Plan or complete,date and sign an inspection
Measures 7 calendar days 2. Date and time of the inspection, report to indicate completion of the
and within 24 3. Name of the person performing the inspection, construction phase. (c) Noncompliance with the conditions of this permit that may endanger health or the
hours of a rain 4. Indication of whether the measures were operating
event>1.0 inch in properly, (c) Ground cover is located and installed Initial and date a copy of the approved E&SC environment.
24 hours 5. Description of maintenance needs for the measure, in accordance with the approved E&SC Plan or complete,date and sign an inspection a) tt
6. Description,evidence,and date of corrective actions taken. Plan. report to indicate compliance with approved
(3)Stormwater At least once per 1. Identification of the discharge outfalls inspected, 2.Reporting Timeframes and Other Requirements •
discharge 7 calendar days 2. Date and time of the inspection, ground cover specifications.
After a permittee becomes aware of an occurrence that must be reported,he shall contact
outfalls(SDOs) and within 24 3. Name of the person performing the inspection, (d) The maintenance and repair Complete,date and sign an inspection report.
hours of a rain 4. Evidence of indicators of stormwater pollution such as oil the appropriate Division regional office within the timeframes and in accordance with the 0 U
requirements for all E&SC Measures
event>1.0 inch in sheen,floating or suspended solids or discoloration, other requirements listed below. Occurrences outside normal business hours may also be
24 hours 5. Indication of visible sediment leavingthe site, have been performed.
reported to the Division's Emergency Response personnel at(800)662-7956,(800)
6. Description,evidence,and date of corrective actions taken. (e) Corrective actions have been taken Initial and date a copy of the approved E&SC 858-0368 or(919)733-3300. 4
(4)Perimeter of At least once per If visible sedimentation is found outside site limits,then a record to E&SC Measures. Plan or complete,date and sign an inspection •,-1 O r-i
site 7 calendar days of the following shall be made: report to indicate the completion of the Z O
and within 24 1. Actions taken to clean up or stabilize the sediment that has left O rt
hours of a rain the site limits, corrective action. +�
Occurrence Reporting Timeframes(After Discovery)and Other Requirements U /-�
event>1.0 inch in 2. Description,evidence,and date of corrective actions taken,and ,-1 1 }r Z I--I
24 hours 3. An explanation as to the actions taken to control future `(a)VISIh{e Sedirnent • Within 24 hours,an Oral Of electronic notification. .,
releases. deposition in a • Within 7calendardays,a report that contains a description of the
(5)Streams or At least once per f the stream orwetland has increased visible sedimentation or a 2.Additional Documentation stream or wetland sediment and actions taken to address the cause of the deposition. Q 0
wetlands onsite 7 calendar days stream has visible increased turbidity from the construction In addition to the E&SC Plan documents above,the following items shall be kept on the site Division staff may waive the requirement for a written report on a = U
or offsite and within 24 activity,then a record of the following shall be made: case-by-case basis.
(where hours of a rain 1. Description,evidence and date of corrective actions taken,and and available for agency inspectors at all times during normal business hours,unless the • If the stream is named on the NC 303(d)list as impaired for sediment- ^
O
accessible) event>1.0 inch in 2. Records of the required reports to the appropriate Division Division provides a site-specific exemption based on unique site conditions that make this related causes,the permittee may he required to perform additional x
24 hours Regional Office per Part III,Section C,Item(2)(a)of this permit Ct
of this permit. requirement not practical: monitoring,inspections or apply more stringent practices if staff 0
(6)Ground After each phase 1. The phase of grading(installation of perimeter E&SC determine that additional requirements are needed to assure compliance ......•
stabilization of grading measures,clearing and grubbing,installation of storm (a) This general permit as well as the certificate of coverage,after it is received. with the federal or state impaired-waters conditions.
measures drainage facilities,completion of all land-disturbing (h)Oil spills and • Within 24 hours,an oral or electronic notification. The notification
activity,construction or redevelopment,permanent (b) Records of inspections made during the previous 30 days. The permittee shall record the release of shall include Information about the date,time,nature,volume and
ground cover). required observations on the Inspection Record Form provided by the Division or a similar hazardous location of the spill or release_
2. Documentation that the required ground stabilization inspection form that includes all the required elements.Use of electronically-available substances per Item
measures have been provided within the required h
timeframe or an assurance thattheywill be provided as records in lieu of the required paper copies will be allowed if shown to provide equal access 1( )-(C)above
soon as possible. and utility as the hard-copy records. (ci Anticipated • A reporter least tea days before the dote of the bypass,if possible.
bypasses[40 CFR The report shall include an evaluation of the anticipated quality and
NOTE:The rain inspection resets the required 7 calendar day inspection requirement. (c) All data used to complete the Notice of Intent and older inspection records shall be 122.41(m)(3)] effect afthe bypass.
maintained for a period of three years after project completion and made available upon (d)Unanticipated • Within 24 hours,an oral Dr electronic notification.
request. [40 CFR 122.41] bypasses[40 CFR • Within 7 calendar days,a report that includes an evaluation of the
122.41(m){3)] quality and effect of the bypass.
(e)Noncompliance • Within 24 haws,an oral or electronic notification.
with the conditions • Within 7 calendar days,a report that contains a description of the
°ecc' of this permit that noncompliance,and its causes;the period of noncompl)ance,
may endanger Including exact dates and times,and if the noncompliance has not
health or the been corrected,the anticipated rime noncompliance is expected to
environment140 continue;and steps taken or planned to reduce,eliminate,and
CFR 122.41(I)(7)] prevent reoccurrence of the noncompliance.[40 CFR 122.41{I)(6). c
0
• Division staff may waive the requirement fora written report on a
pie-by-case basis_
Q w
L 8
•
s NCG01 SELF-INSPECTION, RECORDKEEPING AND REPORTING EFFECTIVE: 04/01/19 z 3 y
3 a
o ❑ U /

Q
4' Vli
GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH EQUIPMENT AND VEHICLE MAINTENANCE ONSITE CONCRETE WASHOUT ��� U
THE NCGO1 CONSTRUCTION GENERAL PERMIT STRUCTURE WIN LINER a w z
1. Maintain vehicles and equipment to prevent discharge of fluids.
Implementing the details and specifications on this plan sheet will result in the construction v� B ��, 1216
2. Provide drip pans under any stored equipment. G G _ "� ° N
activity being considered compliant with the Ground Stabilization and Materials Handling o`%`%'o "* r-) la o-o'al "" Ste- a w °
gl
3. Identify leaks and repair as soon as feasible,or remove leaking equipment from the G> �°�� of �a� a��
sections of the NCGO1 Construction General Permit(Sections E and F,respectively). The "^"®;„ ^^ /I°
project. o> <o inP.� ooll too b=
permittee shall comply with the Erosion and Sediment Control plan approved by the o�o o`o 1100 „j°1�
delegated authority having jurisdiction.All details and specifications shown on this sheet 4. Collect all spent fluids,store in separate containers and properly dispose as 1�1,G.��1� m SMION R-B
hazardous waste(recycle when possible). B
may not apply depending on site conditions and the delegated authority having jurisdiction.
5. Remove leaking vehicles and construction equipment from service until the problem a ,E�,° a„�a;a,,".) co-non,A-A Ir Ssa�E
SECTION E:GROUND STABILIZATION has been corrected. I I ��. ETEr "°"`�"�"°""""' µo OO'~
o Vim°° REACT.752 OF ME
Required Ground Stabilization Timeframes 6. toBrlagecyclling or d used fuels, isprosal center icants, lthat hanants, dles ltheic se dmaterials.s and er petroleum products e�ea ° Y'"TES TM S�.NOTING � I I PLary "pIMEr�®� .����u ,�����
Stabilize within this �a�xo x o" °"'"
0.
many calendar . f .
Site Area Description Timeframe variations RFI OW GRAnE°T TO WASHOUT STRUCTURE ABOVE GRAn NOT STRUCAIRF� ��
days after ceasing LITTER,BUILDING MATERIAL AND LAND CLEARING WASTE " . � m
land disturbance Vdo�. `,`o`
1. Never bury or burn waste. Place litter and debris in approved waste containers. pay .•sp��.
(a) Perimeter dikes, 2. Provide a sufficient number and size of waste containers(e.g dumpster,trash CONCRETE WASHOUTS °tZrut"`
swales,ditches,and 7 None receptacle)on site to contain construction and domestic wastes. 1. Do not discharge concrete or cement slurry from the site.
perimeter slopes 3. Locate waste containers at least 50 feet away from storm drain inlets and surface 2. Dispose of,or recycle settled,hardened concrete residue in accordance with local
(b) High Quality Water waters unless no other alternatives are reasonably available. and state solid waste regulations and at an approved facility.
None
(HOW)Zones 7 4. Locate waste containers on areas that do not receive substantial amounts of runoff 3. Manage washout from mortar mixers in accordance with the above item and in
from upland areas and does not drain directly to a storm drain,stream or wetland. additionplace the mixer and associated materials on impervious barrier and within
(c) Slopes steeper than If slopes are 10'or less in length and are p
3:1 7 not steeper than 2:1,14 days are 5. Cover waste containers at the end of each workday and before storm events or lot perimeter silt fence.
allowed provide secondary containment. Repair or replace damaged waste containers. 4. Install temporary concrete washouts per local requirements,where applicable. If an
-7 days for slopes greater than 50'in 6. Anchor all lightweight items in waste containers during times of high winds. alternate method or product is to be used,contact your approval authority for
length and with slopes steeper than 4:1 7. Empty waste containers as needed to prevent overflow. Clean up immediately if review and approval. If local standard details are not available,use one of the two
-7 days for perimeter dikes,swales, containers overflow. types of temporary concrete washouts provided on this detail.
ct
(d) Slopes 3:1 to 4:1 14 ditches,perimeter slopes and HOW 8. Dispose waste off-site at an approved disposal facility. 5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk a
Zones 9. On business days,clean up and dispose of waste in designated waste containers. sections. Stormwater accumulated within the washout may not be pumped into or C!�
-10 days for Falls Lake Watershed discharged to the storm drain system or receiving surface waters. Liquid waste must O
be pumped out and removed from project.
-7 days for perimeter dikes,swales, PAINT AND OTHER LIQUID WASTE rt
ditches,perimeter slopes and HOW Zones 1. Do not dumprt
6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
(e) Areas with slopes p paint and other liquid waste into storm drains,streams or wetlands.
p can be shown that no other alternatives are reasonably available. At a minimum,
flatter than 4:1 14 -10 days for Falls Lake Watershed unless 2. Locate paint washouts at least 50 feet away from storm drain inlets and surface
install protection of storm drain inlet(s)closest to the washout which could receive bA +�
there is zero slope waters unless no other alternatives are reasonably available.
•I
spills or overflow. O
Note:After thepermanent cessation of construction activities,anyareas with temporary 3. Contain liquid wastes in a controlled area. Z o
p Y 7. Locate washouts in an easily accessible area,on level ground and install a stonert
ground stabilization shall be converted to permanent ground stabilization as soon as 4. Containment must be labeled,sized and placed appropriately for the needs of site. entrance pad in front of the washout. Additional controls may be required by the U
practicable but in no case longer than 90 calendar days after the last land disturbing 5. Prevent the discharge of soaps,solvents,detergents and other liquid wastes from approving authority. •,-11 Z
activity. Temporary ground stabilization shall be maintained in a manner to render the construction sites. 8. Install at least one sign directing concrete trucks to the washout within the project E
surface stable against accelerated erosion until permanent ground stabilization is achieved. limits. Post signage on the washout itself to identify this location. Q O
PORTABLE TOILETS 9. Remove leavings from the washout when at approximately 75%capacity to limit U
GROUND STABILIZATION SPECIFICATION 1. Install portable toilets on levelground,at least 50 feet awayfrom storm drains,
Stabilize theground sufficientlyso that rain will not dislodge the soil. Use one of the overflow events. Replace the tarp,sand bags or other temporary structural
g streams or wetlands unless there is no alternative reasonably available. If 50 foot components when no Ion longer functional. When utilizingalternative orproprietaryO
techniques in the table below: offset is not attainable,provide relocation of portable toilet behind silt fence or place g -
products,follow manufacturer's instructions. ct rn
Temporary stabilization Permanent Stabilization on a gravel pad and surround with sand bags. 10. At the completion of the concrete work,remove remaining leavings and dispose of Q c•Temporary grass seed covered with straw or • Permanent grass seed covered with straw or 2. Provide staking or anchoring of portable toilets during periods of high winds or in high in an approved disposal facility. Fill pit,if applicable,and stabilize any disturbance
other mulches and tackifiers other mulches and tackifiers foot traffic areas. caused by removal of washout.
• Hydroseeding • Geotextile fabrics such as permanent soil 3. Monitor portable toilets for leaking and properly dispose of any leaked material.
• Rolled erosion control products with or reinforcement matting Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace
without temporary grass seed • Hydroseeding with properly operating unit.
•Appropriately applied straw or other mulch • Shrubs or other permanent plantings covered HERBICIDES,PESTICIDES AND RODENTICIDES
• Plastic sheeting with mulch 1. Store and apply herbicides,pesticides and rodenticides in accordance with label
• Uniform and evenly distributed ground cover EARTHEN STOCKPILE MANAGEMENT
restrictions.
sufficient to restrain erosion 1. Show stockpile locations on plans. Locate earthen-material stockpile areas at least 2. Store herbicides,pesticides and rodenticides in their original containers with the
• Structural methods such as concrete,asphalt or 50 feet away from storm drain inlets,sediment basins,perimeter sediment controls label,which lists directions for use,ingredients and first aid steps in case of
retaining walls and surface waters unless it can be shown no other alternatives are reasonably
• Rolled erosion control products with grass seed available. accidental poisoning.
3. Do not store herbicides,pesticides and rodenticides in areas where flooding is
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of possible or where they may spill or leak into wells,stormwater drains,ground water
o POLYACRYLAMIDES(PAMS)AND FLOCCULANTS five feet from the toe of stockpile. or surface water. If a spill occurs,clean area immediately.
1. Select flocculants that are appropriate for the soils being exposed during 3. Provide stable stone access point when feasible. 4. Do not stockpile these materials onsite.
construction,selecting from the NC DWR List of Approved PAMS/Flocculants. 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures. with the approved plan and any additional requirements. Soil stabilization is defined
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved as vegetative,physical or chemical coverage techniques that will restrain accelerated HAZARDOUS AND TOXIC WASTE
a PAMS/Flocculants and in accordance with the manufacturer's instructions. erosion on disturbed soils for temporary or permanent control needs.
1. Create designated hazardous waste collection areas on-site.
4. Provide ponding area for containment of treated Stormwater before discharging 2. Place hazardous waste containers under cover or in secondary containment. w
offsite. P C.)3. Do not store hazardous chemicals,drums or bagged materials directly on the ground.
5. Store flocculants in leak-proof containers that are kept under storm-resistant cover x e
or surrounded by secondary containment structures. L
NCGO1 GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/01/19 E m v m a
9 a` O U

i v
NOTE: Q
DESIGN IS PRELIMINARY AND MAY BE RESIZED 'Z 0 l g l i
OR LAYOUT ADJUSTED DURING FINAL DESIGN Z o
o m a 4 o t w 1, 5z
0
805 mo-� N + 00 o o 805 Q6 >~ry
II 1- LT,
L ~Q-� m- +-00 -IIQ-
w 0 � O O
n w -I 0� o m p o Q In w
cr, _,
II
Q_J M_00, lD m �_00, II_> CAW
I- w O n 00 O Ol O O Q
. > + ri + . II to W
,~/1 w O I� O n to w
II II II II ,
H W Q w ,,,,%./111 I4,,���
Q J
V1 w V1 w
800 ----------------- --- - ,.,F.�r ___ --\ __ - _�/ 800 .o?'• •�`��,...?'
EXISTING GROUND \ �/
` p) ya
4"OF ABC/BALLAST STONE MIXTURE - _--7/ •'".d ./00:
COVERING FORD APPROACH I // ��, ` '•,,J,p`�
I iuulu0
PROPOSED GRADE I -
I I
I I
795 12"MIN OF BALLAST/LARGE STONE MIXTURE TO I I 795
1'ABOVE BANKFULL ELEVATION I I
I
794 I J 794
102+05 102+50 103+00 103+50 104+00 104+50 105+00 105+50 106+00
79
�' IC IC IC ztfc IC IC IC IC Cat-, IC IC o' zo' ao' Bo'
CONSERVATION EASEMENT m - __\`, (HOR1zoN,q.)
o :1 If T�i Q Z c�
' cb� _-CONSERVATION EASEMENT i ��- °, � „\ �', ; ; ,__ bk)
f�..I
' INTERNAL CROSSING ( -500 �`99 -- �11{;`I\, U`;\`,\ p
..4:
-
c` s'� EXITING SEWER LINE TO %"'' -r„� "�,—.:1PI '1 "II
' \ \ .�I/ilk.:,W\ I
SANITARY SEWER MANHOLE 10 �'C BE PROTECTED DURING '%%o���fyiS��-„ t�i/�''�`•'''� �'�._�� ��1,/�e,_�I V'I '�
INVERT IN:795.2'. X 0 \C_ CONSTRUCTION .>� @�. `i.� `�''��� i W� 4 v
INVERT OUT:794.8' E�X��� �j(��O Q e���•�� _ _ �11� �Q1/I� ��tTF„ry�I���1.4414 ��i _A x �,•�
m • PROPOSED FORD CROSSING �''��� • ►�� !•
ft
CE-�X 15'MINIMUM DRIVE WIDTH / ""�_�' . ��'•� -- 1���•�� ‘��I =k 1 �t.��.I,�'
SE S,E 1----�-r CE-IX 6/ I- / ��"\1i' r' `\- �-- ` :�e�__� 5 95 .�\� �� V
E •�SE�,SE—.SSE SSE SSE \ �� ,� , CE-IX\ l�/ `p \� rii..�7..a.:>II " ;'1 \'1 ' •,1,i
1+p SSg ` CE_X J a0:, ~~' :iiG�le�;'` i \�► `�
0+00 —i- SS�SS i-Ss\ S{� \` \ y9`I4,/.'5� •, Vi i \ -- ) ` 11 sf \ �
SS�;S_ S7 Sr $' S$E\ ` \ i CE�X\C ./,', 69•®,//,j / X .,� \\ --78__-_
No\•� +„ •
_ _", �=�Sf'= _SSE-3��33 tom._-.,.i` SS \S Z0, �/� �yy'�_ +t t,,,`, , \ - \��'/Vfi'C•=Ot 3�„�
33 Op7o►i '' �a ANtaZ.�•••1
€ 33-� _"--- C; 1 t,•g. �S �S ., /+ „• c�•V'[� / -'ma\ . °.�U�Ki^\�\�1a)`
33�30 _= n Qo I •'`0 \ Z+yO\ �$5:��SSE _ \;'.� 2g` C�\CEi \�1�, � ' , i ,l�l_�,►�tl\•�®®•� \�
,33 _ o VAd�� 1 v W0 96- SS_ `I , ;' i X v i @�RVV1�9,••11• v
`O -- \ SSE L� ;// ��➢bl�:�•N•.
_ SqF� _ . E S $S �'6S�/"!f\ �YEs'�',tb �`., ,N ,``C,<", ;.. \\\� / itam \ og,*.,
`5'B .Y -j. ( S ,.,. ,. �4 !OS p ' �.• \-cE=�c____ ` 00
'�c4 n Q'�\may``R1��,•�n•�
- Q _ .ezit _ / '•4140 „
��� S 80 _ _ Aon .I VY.
04
- ' 4 1�2 ;.e_—B�e\I , / / SS_ -T. \ ♦tom1‘01/4-i--,-:::iti I9 Ijl 01�I
/, I�pei_sR _ .l•�•�•�•lir�d a - - ; �~�/�' �, s.se, \::: t , cps ,h /� ,.v B11'I -
a
%'4" •v�;i�. ,. ' '444.i%ii�r-- \TS�80 - �\ .• SANITARY SEWER MANHOLE 3 :�� -- \ II,,
•
-_ - `,���� `°c+:. i'- �. �•��• __- �__ /;. .',II - �c \
• � • i[Q'�2S 0- n....*_*t'':'-,, g0 INVERT IN:793.8' S i `. .,. `'� \, \
.es•• �. -,•••6•�l� if�'.r'abI - INV INVERT
IN:793.4 • . ` F y`\`;,
�c•sai. i� .ti i�•• .ice o� — — — - = * \ "
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ii
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/���� -E� SANITARY SEWER EASEMENT
5
7
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7.
c -. s- p I i 1 _ _ _ -
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NOTE:
DESIGN IS PRELIMINARY En
AND MAY BE RESIZED OR
\\ m m LAYOUT ADJUSTED DURING 'z(7 ��,
810 of o 810 FINAL DESIGN z o N N o
ti3
II ,S,v-- 30 ¢-w 010 1- odr..1- 1''
QO my= v
u
y
STA=0808.45 \ c'_°0 I�w �6 H a
ELEV= 808.85 \� II - I--I
STA=0+84.52 ,\ S)o
ELEV= 808.66 N
\
\ 00
NLO 0,
O N Ol l0 r0
\\ O m m to Ol 0
} 00 } I, ti Ol N Ol
805 \ r.l_ N_ _0, m 0, 805
PROPOSED GRADE N.N II 11
__ II m ^ m
EXISTINGGROUNDJ \\\ ,/ Ve,,,.tid iOm
.48 tt
0 zy/ �♦4 ham. ,P�J
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800 \\\I' \I /��' -0:09'o- -2.5�' 0.2% _ —— // 800
h f�
25'LF-CORRUGATEDMETALARCH -I I
(15'SPAN X 4.5 RISE APPROX.) I I
INV EL:797.12'U/S APPLY STONE AS NECESSARY
INV EL:796.89 D/S OVERLAID UT1 TYPICAL FOR REFERENCE
797 EMBED PIPE 1.0' 797
0+00 0+50 1+00 1+50 2+00R+ 2+50 3+00 3+50 4+00
.... ( q�I II '11�11`111i1 (`;a 0 2 4' 6' (�
'tl u.' L.:::"--- \ I�`d�, �lll� �lll� 0 20
♦��'�••,-- --- l-' ,I i �lllt
797 1 1 ao' 60' ^
\ 1 \` FI 79� hoR oN,aJl 0
`�; , ,Illc ,Ill, Jl i`.-,IItL ``', , ' I , ` ` ,,uc Alllc`` I
I �\`.`: _ _ : ``\o ��� o,II �' l( i( \\` �lllc ill_ �l_, -- �lllc - �lllc �lllc �lllc AL, i-a
I.
gib:,, �.e�.,,
F
' APPLY STONE AS NECESSARY E
A. ,
, Y _
11 E-
- CORRUGATED M ARCH tE
cE• Q�J� OF ce_r F�-
-
-
`, \ `�� _ 800' /'i �A'0.. `!i ---_ / 3.'0 SCE—CEO i __"_ `_"- ______—-"
•
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% "_ I —••'G'�_'�' yMlflla i-' CHIX—CE-IX CE-IXIX '17:, /:: __ ___- "_ " -- ��
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I\ - \ �4 1 Q+00 mot- -I� - �. + �y��+ :I�Iy` `/r '4+p0; i __ - - " ' ' "
------------------------ ,„ ____-
0+00 \ 1+00 _cM i _ — '..5�` _;' _y11 1 1 1 1 1 1- II '"
,,diummir,- sly-
w / ''-—s I ' XF3�-XI-3J-�_XI-3� /--,\
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54.7' -
_ 6' - V1
EXISTING DRIVEWAY PROPOSED TOP 4"CRUSHER RUN Q 0 o
ELEV:793.6 DRIVEWAY ELEVATION 795.0' Z m
Z oNNo
•• TIE TO EXISTING GROUND "., o u+w
15:1 MIN . ---•=•• 15:1 MIN
4.4
• 18"COVER MIN 12"COVER MIN awvL v
Z S
c
/ ` `` ` LIFTS INITIAL 8"ON
LL PLACED IN �`�`/``
`` E TO EXISTING GROUND ` 2 0 i MATERIAL
ONSITE SELECT �`�/
w.::•' 1``/D`�`',O``` O` SOIL MIX
AND ��� �`�` `` ` `` `/``
30 LF-36"HDPE `,``� N •'�1, /''`�`TED 30 LF 30"RCP '``
�` �`��`�I``I`` � INV EL:790.5 U/S `�� `�� / ', '`��` `��``.• A. ``` ��`�_,A ♦♦♦♦♦♦p�Nu.--4�,,,0
`1�```` ` INV EL:790.2'D/S �,\��``���` INV EL:INV EL:791.0'D/S ` ' �+�P � ••)
`��` ``/ \\\`C '�- ,` UNDISTURBED NATIVE SOIL o- i
�� RELOCATE EXISTING 30"RCP / � /�Y /�, '°4° a
Section View
Crossing/Pipe#1 •04 `*,..jPp♦♦♦
RETAIN MINIMUM 10' - ESTIMATE 20 T.CLASS B FOR
794 OF 12-18"COVER I I I I 794 OUTLET#2 AND 5 T.CLASS B
OVERTOP OF RESET PROPOSED FLOODPLAIN GRADE 3' 4' �}- 3' FOR OUTLET#3.ROUGHEN
793 f 12"CONC.PIPE I I I I I_ 793 { CHANNEL WITH WOOD
8' - FL DRIVEWAY -/--t PROPOSED SWALE GRADE 1
\•♦ SWALE TYPICAL SECTION
STA:308+55 PROPOSED 26 LF HDPE /jDIMENSION AND LINING. 31MIXED WITH 7g2 3'
CRUSH RUN AND CLASS A ♦'•. INVERT OF SEED AND
CULVERT 789.5' 12"MIN
STA:1+35.9 791 791 MATBSIBRIPRAPCLASS RUNS APPLY UNLINED
1 Swale Typical Section POOLS(BOWLED OUT SHAPE,1'DEEPER,
o. . - "- 0.5' ;;_-e ` •4 — 79 _ 790 Below Pipe#2&#3 NO STONE)EVERY 25'
d�
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APPENDIX 13—Credit Release Schedule

Appendix 13 - Credit Release Schedule and Supporting Information
All credit releases will be based on the total credit generated as reported by the as-built survey of the
mitigation site. Under no circumstances shall any mitigation project be debited until the necessary
Department of the Army(DA) authorization has been received for its construction or the District
Engineer(DE) has otherwise provided written approval for the project in the case where no DA
authorization is required for construction of the mitigation project.The DE, in consultation with the
Interagency Review Team (IRT), will determine if performance standards have been satisfied sufficiently
to meet the requirements of the release schedules below. In cases where some performance standards
have not been met, credits may still be released depending on the specifics of the case. Monitoring may
be required to restart or be extended, depending on the extent to which the site fails to meet the
specified performance standard.The release of project credits will be subject to the criteria described as
follows:
Table A:Credit Release Schedule—Stream Credits—Oak Hill Dairy Mitigation Site
Credit Monitoring Interim Total
Release Year Credit Release Activity Release Released
Milestone
1 0 Site Establishment 0% 0%
2 0 Completion of all initial physical and biological improvements made 30% 30%
pursuant to the Mitigation Plan—see requirements below
3 1 Year 1 monitoring report demonstrates that channels are stable and 10% 40%
interim performance standards have been met
4 2 Year 2 monitoring report demonstrates that channels are stable and 10% 50%
interim performance standards have been met
Year 3 monitoring report demonstrates that channels are stable and 10%
5 3 interim performance standards have been met 60%
6 4* Year 4 monitoring report demonstrates that channels are stable and 50/ 65%
interim performance standards have been met (75%**)
7 5 Year 5 monitoring report demonstrates that channels are stable and 10% 75%
interim performance standards have been met (85%**)
8 6* Year 6 monitoring report demonstrates that channels are stable and 50/ 80%
interim performance standards have been met (90%**)
9 7 Year 7 monitoring report demonstrates that channels are stable and 100� 90%
interim performance standards have been met (100%**)
*Vegetation data may not be required with monitoring reports submitted during these monitoring years unless
otherwise required by the Mitigation Plan or directed by the NCIRT.
**10%reserve of credits to be held back until the bankfull event performance standard has been met
Table B:Credit Release Schedule—Wetland Credits—Oak Hill Dairy Mitigation Site
Credit Monitoring Interim Total
Release Year Credit Release Activity Release Released
Milestone
1 0 Site Establishment 0% 0%
2 0 Completion of all initial physical and biological improvements made 30% 30%
pursuant to the Mitigation Plan—see requirements below
3 1 Year 1 monitoring report demonstrates that interim performance 10% 40%
standards have been met
Oak Hill Dairy Mitigation Site Appendix 13
DMS ID No. 100120 Page 1

Credit Monitoring Interim Total
Release Year Credit Release Activity Release Released
Milestone
Year 2 monitoring report demonstrates that interim performance 10%
4 2 standards have been met 50%
Year 3 monitoring report demonstrates that interim performance o 65%
5 3 standards have been met 15/6 4* Year 4 monitoring report demonstrates that interim performance 5% 70%
standards have been met
7 5 Year 5 monitoring report demonstrates that interim performance 15% 85%
standards have been met
Year 6 monitoring report demonstrates that interim performance
8 6* standards have been met 5o 900�
�
Year 7 monitoring report demonstrates that interim performance 9 7 10% 100%
standards have been met
*Vegetation data may not be required with monitoring reports submitted during these monitoring years unless
otherwise required by the Mitigation Plan or directed by the NCIRT.
1.1 Initial Allocation of Released Credits
For this NCDMS project, no initial release of credits is provided.To account for this,the 15%credit
release typically associated with the site establishment is held until completion of all initial physical and
biological improvements made pursuant to the Mitigation Plan. In order for NCDMS to receive the 30%
release (shown in Tables A and B as Milestone 2),they must comply with the credit release
requirements stated in Section IV(I)(3) of the approved NCDMS instrument.
1.2 Subsequent Credit Releases
All subsequent credit releases must be approved by the DE, in consultation with the IRT, based on a
determination that required performance standards have been achieved.
The following conditions apply to credit release schedules:
a. A reserve of 10%of site's total stream credits will be release after four bankfull events have
occurred, in separate years, provided the channel is stable and all other performance standards
are met. In the event that less than four bankfull events occur during the monitoring period,
release of these reserve credits is at the discretion of the NCIRT.
b. After the second milestone,the credit releases are scheduled to occur on an annual basis,
assuming that the annual monitoring report has been provided to the USACE in accordance with
Section IV (General Monitoring Requirements) of this document, and that the monitoring report
demonstrates that interim performance standards are being met and that no other concerns
have been identified on-site during the visual monitoring.All credit releases require written
approval from the USACE.
c. The credits associated with the final credit release milestone will be released only upon a
determination by the USACE, in consultation with the NCIRT, of functional success as defined in
the Mitigation Plan.
As projects approach milestones associated with credit release,the DMS will submit a request for credit
release to the DE along with documentation substantiating achievement of criteria required for release
to occur.This documentation will be included with the annual monitoring report.
Oak Hill Dairy Mitigation Site Appendix 13
DMS ID No. 100120 Page 2