20181033 Ver 1_Year 1 Monitoring Report_2021_20220214

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ID#* 20181033 Version* 1
.........................................................................................................................................................................
Select Reviewer:*
Erin Davis
Initial Review Completed Date 02/15/2022
Mitigation Project Submittal - 2/14/2022
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Is this a Prospectus,Technical Proposal or a New Site?* 0 Yes O No
Type of Mitigation Project:*
Stream Wetlands Buffer Nutrient Offset
(Select all that apply)
Project Contact Information
Contact Name:* Email Address:*
Paul Wiesner [e-mail]
Project Information
......................................................................................................................................................................................................................................................................................................................................................................................................
ID#:* 20181033 Version:• * 1
Existing ID# Existing Version
Project Type: • DMS Mitigation Bank
Project Name: Owen Farms Stream and Wetland Mitigation
Site
County: Transylvania
Document Information
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Mitigation Document Type:*
Mitigation Monitoring Report
File Upload: Owen Farms_100064_MY1_2021.pdf 19.84MB
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Print Name:* Paul Wiesner
Signature:*

F♦� Owen Farms Mitigation Site I DMS Project No.100064
J MY1 Monitoring Report
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1 MY1 Monitoring Report
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- 4 Owen Farms Mitigation Site
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Cataloging Unit 06010105
NCDMS Project No. 100064
NCDMS Contract No. 7532
NCDMS RFP No. 16-007334
(Issued 9/8/2017)
USACE ID: SAW-2018-01165
DWR ID: 20181033
Data Collected: 2021
Prepared for: Prepared by:
[IN- NC Department of Environmental Quality F)R HDR E ygineering,Inc.of the Carolinas
Division of Mitigation Services 555 Fayetteville Street,Suite 900
1652 Mail Service Center Raleigh,NC 27601-3034
Raleigh,NC 27699-1652 LMG Contributing Staff:Ben Furr,Ryan Smith,Alex DiGeronimo,
Chris Smith,Yvette Mariotte,Kevin Williams,Michael Foster
This Year 1 Monitoring Report 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.

DAvEy rN1 E
Resource Group
January 24, 2022
United States Army Corps of Engineers
151 Patton Ave#208
Asheville, NC 28801
Re: MY1 Monitoring Report Comments
Owen Farms Stream and Wetland Mitigation Site
French Broad River Basin; CU#06010105—Transylvania County
DMS Project ID No. 100064
Contract No. 7532
SAW-2018-01165
Mr. Wiesner,
As per your letter concerning the Owen Farms Stream and Wetland Mitigation Site MY1 Report, we have
updated the reviewed and addressed your comments as follows:
General Comments
1. Please include a full copy of the final MY0 IRT comments and HDR/ LMG responses in the
MY1 (2021) report as an Appendix for project documentation (attached). Please confirm that all
IRT comments from MY0 have been addressed in the MY1 report. Table 4 should be updated as
requested by the IRT in the MY0 comments. RE:A copy of MY 0 IRT comments and responses
have been added under Appendix G in MY 1 report. Table 4 has been replaced with the
updated version.
2. Based on the MY0 report and Table 1, 1.54 acres of wetlands have been enhanced on the
site. Please review and update the text accordingly. RE:According to Table 5 MY0 submittal on
June 7, 2021, As-Built acreage for wetland enhancement areas is 1.396 AC. An older version of
Table 1 was mistakenly included in MY1 report. Table 1 has been updated to reflect the most
recent version.
3. DMS recommends removing beaver and beaver dams as soon as possible to avoid potential
irregular monitoring data, project/ plant damage and additional project maintenance. Beaver and
beaver dams should be removed from the site through the entire project monitoring term.
RE:HDR/LMG noted evidence of relic beaver dams on-site in the Mitigation Plan and discussed it
with the IRT during our walk through. It was agreed that inactive beaver dams would not be
removed. If signs of active beaver are observed, a beaver removal plan may be implemented.
4. Invasive/ exotic plant species should be treated within the conservation easement through
the entire project monitoring term. RE"Minor areas of individual stems of multiflora rose plants
were observed within the easement boundary along UT1. Since there are only a few individual
plants and it is not our expectation that it will rapidly spread, LMG does not recommend treatment
at this time.
5. If an additional groundwater gauge within the W5 re-establishment area is necessary to
substantiate the wetland hydrology and proposed project wetland credit,it should be installed prior
to the start of the MY2 (2022)growing season. HDR/LMG should reach out to the NC IRT directly
if there are questions about the proposed location/ placement of the additional groundwater
Phone:[phone]
3101 Poplarwood Court,Suite 120,Raleigh,NC 27604
daveyresourcegroup.com/carolinas 1

DAVEY .
Resource Group
gauge/s. RE: The MY1 Report narrative for Section 3.0 has been updated to state "W3 appears
to be expanding beyond the current wetland boundary. W3 and W5 will be further
investigated in February 2022 to determine if additional groundwater gauges may be
warranted. If it is determined that groundwater gauges are warranted, HDR will coordinate
with DMS and the IRT regarding gauge placement prior to installation."
6. If the 2021 repair effort is completed before the issuance for the final MY1 report, please
consider including the repair effort in the table. RE: Repair efforts were not completed
prior to resubmission. Table 5 will be updated to reflect completion of repairs in the MY2 report.
7. Any groundwater wells that are not meeting the established success criteria should be shown
as "red"/ "orange" on the CCPV maps. In addition, any vegetation plots not meeting the
established interim success criteria should be shown as "red"/ "orange" on the CCPV maps.
Please update the maps accordingly. RE: CCPV maps have been revised accordingly.
8. Please include the date that the project was visually assessed at the top of each table. This
was an IRT request at the 2021 credit release meeting. RE:Dates of Assessment has been
added to Tables 7.1-7.6 and Table 8.
9. Please provide dates for all project photos. If exact dates cannot be provided, please include
the month and year for each photo. RE: Dates have been added to all photos in Appendix C
and Appendix D
10. Please include the Vegetation Performance Standards Summary Table (DMS Template (10-
1-20)) in the revised report. Please also include the average plot heights in the revised vegetation
tables. RE; Vegetation Performance Summary Table has been included as Table 10 in the
MY 1 Report. Plot heights are now included in the table.
11. In the MY0 DMS comments and HDR/LMG responses, HDR and LMG committed to adding
photo points at all crossings and monitoring the additional crossing photo points throughout the
monitoring term. In does not appear that these crossing photos were included in the draft report.
Please include the additional crossing photo points in the revised MY1 report. Please also review
and confirm that all of the monitoring photo points depicted on the CCPV sheets are included and
labeled in the appendices. RE: Crossing photos have been added to Appendix C and photo
points have been added to CCPV maps.
12. Please provide separate figures for each individual groundwater gauge. Please identify the
maximum consecutive day number for each gauge on the individual plots/ figures. Please also
review the max. consecutive hydroperiods (%)reported in Table 13. Groundwater gauges 1-3 are
all reporting 75 days above the 12" threshold and the growing season is reported as 206 days
(75/206 = 36%). Table 13 is reporting 42% for groundwater gauges 1-3. In Table 13, please
include MY1/ 2021; MY2/2022; etc. Please review, QA/QC, and update the figures, table and
report text as necessary RE: Separate figures have been added to the MY 1 Report. Table 13
has been updated.
Phone:[phone]
3101 Poplarwood Court,Suite 120,Raleigh,NC 27604
daveyresourcegroup.com/carolinas 2

DAvEy rN1 E
Resource Group
Digital Support File Comments:
13. Please submit the visual stream bank areas of concern as line features and ensure that
reported lengths reflect feature lengths(Table 7). RE:Line features for areas of concern were
submitted as "Mass Wasting"and "Minor Erosion"polyline shapefiles, however, the attribute tables
lacked a "length"field. A "length"field has been added to the attribute tables in the final support
files.
14. Please submit the vegetation areas of concern as polygons (e.g. Bare Areas, Low Stem
Density Areas, and Areas of Poor Growth Rates)and include these in the CCPV—here too, ensure
that feature areas reflect the reported areas (Table 8). Also, please update#Encroachments noted
to 0. RE: Encroachments changed to 0 on Table 8. Features have been added to CCPV. Table 8
has also been updated to reflect sparsely vegetated areas more accurately. Woody stem density
was based off vegetation plot 12 not meeting performance standards.
15. Please add the MY0 random plot data to the input veg table tool template —this will enable
the tool to fully populate the Vegetation Performance Standards Summary Table. Please also
include the Vegetation Performance Standards Summary Table in the report. Also, note that the
input excel file was storing height values as text, which is why there are no average height values
included in the output Table 6. The tool will now convert those text values to numeric so those rows
will be populated. Please include the input and updated output files in the resubmittal. RE: Data
was included in Digital Support file package under the Tables Folder, see column "N"under"MY0
Veg Input Data" and "MY1 Veg Input Data"; rows marked as "R" in column N are the random
plots. Vegetation Performance Standards Summary Table has been added to report (Table 10).
Tables have been updated to include average height.
16. Please submit the data used to create the cross-section figures and tables. RE: Data
was included in Digital Support file package under the Tables Folder. Look at tab labeled Raw XS
Data.
If you have any questions or need additional information, please do not hesitate to give me a call
(843.830.1536).
Sincerely,
Davey Resource Group, Inc.
/(4.(;)
Alex DiGeronimo
Phone:[phone]
3101 Poplarwood Court,Suite 120,Raleigh,NC 27604
daveyresourcegroup.com/carolinas 3

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Contents
1.0 Project Summary 1
1.1 Location and Setting 1
1.2 Background 1
1.3 Preconstruction Conditions 1
2.0 Annual Monitoring 2
2.1 Monitoring 2
2.2 Results and Discussion 2
2.2.1 Stream Stability 3
2.2.2 Vegetation 4
2.2.3 Stream Hydrology 4
2.2.4 Wetland Hydrology 4
3.0 Maintenance and Adaptive Management Plans 5
4.0 References 6
Transylvania County, NC Page i January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figures
Figure 1.0 Project Asset Map (Appendix A)
Figures 2.1-2.9. Current Conditions Plan View(Appendix B)
Figures 3.1-3.43 Vegetation Plot Photos and Site Photos(Appendix C)
Figures 4.1 -4.14 Cross Section Photos(Appendix D)
Figures 5.1 —5.14 Monitoring Cross Section Plots(Appendix D)
Figures 6. Monthly Precipitation Data (Appendix E)
Figures 7.1 —7.4 Channel Flow Hydro graphs(Appendix E)
Figures 8.1 —8.5 Wetland Groundwater Gauge Data (Appendix E)
Tables
Table 1. Project Mitigation Quantities and Credits(Appendix A)
Table 2. Project Goals, Performance Criteria, and Functional Improvements(Appendix A)
Table 3. Project Monitoring Components(Appendix A)
Table 4. Project Attributes(Appendix A)
Table 5. Project Activity and Reporting History(Appendix A)
Table 6. Project Contacts Table(Appendix A)
Tables 7.1 - 7.6 Visual Stream Stability Assessments(Appendix B)
Table 8. Visual Vegetation Condition Assessment(Appendix B)
Table 9. Vegetation Plot Data (Appendix C)
Table 10. Vegetation Performance Standards Summary Table(Appendix C)
Table 11. Baseline Stream Data Summary(Appendix D)
Table 12. Cross Section Morphology Monitoring Summary(Appendix D)
Table 13. Bankfull Events Summary(Appendix E)
Table 14. Wetland Hydrology Summary(Appendix E)
Appendices
Appendix A—General Project Information
Appendix B—Visual Assessment Data
Appendix C—Vegetation Plot Data
Appendix D—Stream Geomorphology Data
Appendix E—Hydrologic Data
Appendix F—Adaptive Maintenance and Repair Plan Submittal to IRT
Appendix G—Response to IRT Comments
Transylvania County, NC Page ii January 24,2022

F)1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
1.0 Project Summary
1.1 Location and Setting
The Owen Farms Mitigation Site (Site) is located approximately 3 miles north of Lake Toxaway in
Transylvania County, NC.
Directions from Asheville, NC:
From Asheville, NC: Travel on 1-26 east to exit 40 (NC-280 W/Airport Road) and merge on to NC-280 W,
continue for 15.9 miles; continue straight onto US-64 W(NC-280 W becomes US-64 W),go 3.9 miles;turn
right to stay on US-64 W; continue on US-64 W for 14.9 miles; turn right on Blue Ridge Road, continue for
5.4 miles and the Site entrance will be on the left.
The Site is located in the Blue Ridge Belt Physiographic Province of North Carolina.
1.2 Background
In October 2020 HDRI ICA restored approximately 3,180 linear feet of stream, enhanced approximately
5,172 linear feet of stream (125 linear feet of Enhancement 1; 5,047 linear feet of Enhancement 11), and
preserved 423 linear feet of stream at the Owen Farms Mitigation Site. Additionally, 1.396 acres of
wetlands have been enhanced, 0.35 acres of wetlands have been re-established, and 0.97 acres of
wetlands have been rehabilitated at the Site. The Site provides many ecological functional uplifts within
the French Broad River Basin. Project goals were established based on the French Broad RBRP (NCEEP
2009), and on Site data collected during the existing conditions survey. Site specific goals and objectives
were developed to provide the highest practical potential for functional uplift based on NC SAM and NC
WAM analyses of streams and wetlands on Site.
1.3 Preconstruction Conditions
Streams
The Site was cleared prior to 1951 and has been utilized for agricultural purposes including pasture and
row crops. Prior to construction cattle had access to the majority of streams on Site. The streams on Site
exhibited the following conditions prior to construction:
• Portions of WFFBR had been straightened to maximize agricultural practices on the property.The
channel exhibited actively eroding banks due to cattle hoof shear and many of the channel's riffles
and pools had experienced significant deposition of fine material from the eroded channel banks.
The large majority of the channel displayed little to no deeply rooted bank or riparian vegetation.
Where a woody buffer had been present, it was commonly only one tree wide, with vegetation
typically sparse at best. Many of the trees within the one-tree buffer had been undercut because
the channel had incised below the rooting depth.
• UT 5 was dammed and ponded immediately downstream of a culvert passing under Silverstein
Road. Downstream of the pond, UT 5 had been straightened and channelized to its confluence
with the West Fork French Broad River(WFFBR).
• With the exception of the upstream most 248 feet, UT 7 had an absent to minimal buffer. The
downstream half of UT 7 appeared to have been modified for agricultural practices and ditched
along the edge of the valley as evidenced by an incised channel and spoil piles adjacent to the
banks.
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Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
• UT 8 was fairly stable except for the downstream most 40 feet of the reach which experienced
down cutting to match the invert elevation of WFFBR at the confluence. In the downstream
portion of the reach there was little to no deeply rooted vegetation along the banks. The banks
had been lined with old bricks by the landowner in an attempt to prevent further mass wasting
as the channel continues to incise and undercut the banks.
• UT 4a was significantly incised due to a headcut approximately 20 feet upstream of its confluence
with UT 4.
• UT 1, UT 2, UT 2a, UT 3, UT 2b, UT 4, UT 4b, UT 6, UT 6a, UT 7a, and UT 7b are all first or second
order, spring fed, perennial tributaries which exhibited mild to moderate instability due to cattle
hoof shear and limited buffer presence in some areas before construction and planting activities.
Wetlands
Prior to construction cattle had access to all of the wetlands on Site. The wetlands on Site exhibited the
following conditions prior to construction:
• Wetland W3 is the largest wetland within the Site (1.8 acres) and is divided into two distinct
wetland types: Riverine Swamp Forest and Floodplain Pool.The Riverine Swamp Forest portion of
W3 had a significantly altered vegetative community compared to reference condition. This
portion of W3 consisted solely of herbaceous vegetation which was dominated by common rush
and served as a cattle pasture. Fecal matter and cattle tracks were present throughout the
wetland. The Floodplain Pool portion of W3 formed in a relic meander scroll of WFFBR. UT 5
flowed through the eastern portion of the Floodplain Pool prior to its confluence with WFFBR.
Cattle had unrestricted access to the entirety of W3
• Wetland W5 was a relic Headwater Forest wetland area adjacent to UT 7. Prior to construction
the channelization and placement of spoil along the floodplain made it so W5 no longer supported
wetland hydrology. Cattle access also altered the vegetative structure and ground surface
condition.
• Wetland W1 is a Riverine Swamp Forest that is heavily influenced by beaver. Prior to construction
activities, cattle had full access to W1.
• Wetlands W2, W4, W6, W6A, W7, W8, and W9 are all headwater wetlands that had experienced
alterations to the vegetative structure and significant fecal matter inputs due to cattle access.
2.0 Annual Monitoring
2.1 Monitoring
Table 3 in Appendix A outlines all the monitoring components, methods, quantity, and frequency of data
to be collected for the Site. A visual representation of all monitoring devices can be found in the MY1
Current Conditions Plan View(CCPV) (Figures 2.1—2.9). Monitoring and data collection occurred between
September 27 and September 29, 2021.
2.2 Results and Discussion
This section documents the conditions observed in Year 1 monitoring. It is important to note that the Site
experienced a 200-year storm event between August 15-17. On-site rain data recorded 16.70 inches over
a 72-hour period, with 6.07 inches falling within 3 hours on August 16. Due to the heavy rainfall and
flooding events areas of floodplain scour have developed across the constructed floodplain and are as
follows:
Transylvania County, NC Page 2 January 24 2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
1. Floodplain scour around stump near STA 10+75
2. Floodplain scour on left floodplain near Station 11+10
3. Floodplain scour on right floodplain near STA 13+00
4. Floodplain scour along the right floodplain near STA 15+50
5. Floodplain scour on left bank between STA 16+25 and STA 18+50
6. Floodplain scour along right bank at STA 25+75
7. Floodplain scour along left bank near Station 28+50
Areas of floodplain scour and erosion are depicted in the MY1 CCPV in Appendix B. Photographs of select
areas can be found in Figures 3.1—3.39 and Appendix F. Detailed repair plans for areas mentioned above
are provided in Appendix F.
2.2.1 Stream Stability
Despite the 200-year storm event, WFFBR maintained stability except for areas noted above and in
Appendix F. Areas of substantial erosion that require repair are as follows:
1. Erosion along the right bank from STA 10+65 to STA 10+95
2. Erosion along the left bank from STA 12+61 to STA 12+67
3. Bank failure along the left bank from STA 18+63 to STA 18+75
4. Bank failure along the right bank from STA 18+55 to STA 18+90
These areas in need of repair are depicted in the MY1 CCPV in Appendix B. Photographs of select areas
can be found in Figures 3.1—3.39 and Appendix F. Detailed repair plans for areas mentioned above are
provided in Appendix F.
The large majority of cross section geometry along WFFBR has remained consistent with the As-Built
condition with the exception of Cross Section 3. During the storm event of August 2021, overbank flows
eroded a large scour hole in the left floodplain bench of WFFBR starting at STA 16+25 and continued
through left bank at STA 18+63.The failed bank at STA 18+63 allowed storm flow to bypass the upstream
meander and direct perpendicular flow into the right bank of WFFBR through Cross Section 3.
Approximately 35 feet of the right bank experienced bank failure due to the storm event (STA 18+55-
18+90). Evidence of this can be seen in Figure 5.3 and Figure 4.3.
UT 8 has remained stable over the past monitoring year. Cross Section 7 depicts little change along the
banks of UT 8 but does illustrate how the upper portion of UT 8 experienced heavy deposition of materials
transported from upstream of the easement during the storm event in August. Photo representation in
Figure 4.7 (Appendix D) shows that a significant amount of gravel and debris has been deposited through
Cross Section 7. The concrete blocks visible in the photo will be removed by hand during the next
monitoring year.
While the banks of UT 5 remain stable, Cross Section 9 and 12 indicate that UT 5 has also experienced
increased deposition throughout the monitoring year. On Site observations revealed that the deposited
material appears to be DOT stabilization stone transported from upstream of the project Site(Figure 3.39).
It is expected that this material will mobilize and work its way through the system over time.
Cross sections along UT 7 remain largely unchanged from the As-Built condition. The restored reach
appears stable and functioning as intended.
Transylvania County, NC Page 3 January 24,2022

F)1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
A small beaver dam was observed on UT 6A during Year 1 monitoring.This dam will be closely monitored
during the course of the next monitoring year. If activity is observed within the constructed reaches of the
Site, a comprehensive beaver removal program may be developed and implemented.
2.2.2 Vegetation
Year 1 vegetation plot data can be found in Table 9 of Appendix C. The average density of planted stems
across the site is 544 stems per acre,which exceeds Year 3 success criteria of 320 planted stems per acre.
Vegetation Plot 12 is currently not meeting Year 3 criteria due to a dense herbaceous vegetative layer
outcompeting the planted bare roots. It is worth noting that Plot 12 is located in the Swamp Bog Complex
planting area, and it is not uncommon for this community to be dominated by shrubby and herbaceous
species. It was anticipated in the Mitigation Plan that this community may exhibit a lower stem density
than the rest of the Site. Plot 12 will be re-assessed during Year 2 monitoring to determine if any of the
missing stems can be accounted for after an additional year of growth.
Table 9 indicates Vegetation Plot 3 has 1052 stems per acre when including volunteers. It also indicates
that a single species constitutes more than 50% of the dominant species composition. However, in
accordance with the Mitigation Plan, volunteers must be present for a minimum of two growing seasons
before they can be counted toward success criteria. Not including the volunteers, Vegetation Plot 3 still
meets Year 3 success criteria at 486 stems per acre and no one species constitutes more than 50%of the
plot.
Two areas of cattail were identified along the left and right banks of WFFBR.These areas are isolated and
are not impeding channel flow therefore no action is recommended at this time. In addition to the cattail,
multiflora rose plants were observed within the easement boundary along UT1.Since there are only a few
individual plants, LMG does not recommend treatment at this time.
2.2.3 Stream Hydrology
All monitored streams have experienced continuous flow within tributaries and has been documented for
at least 30 consecutive days. Stream flow gauge data indicates that each of the constructed stream
channels has experienced at least 2 bankfull events during the monitoring period. Stream hydrologic data
can be seen in Figures 7.1 -7.4 (Appendix E).
2.2.4 Wetland Hydrology
Wetland W3 re-establishment and rehabilitation areas have experienced groundwater levels within 12
inches of the soil surface for 75 consecutive days over the Year 1 monitoring period as depicted in Figure
8.1. Based on the performance criteria outlined in the Mitigation Plan, all areas within W3 are exceeding
success criteria. It is important to note that Gauge 1, located in W3, experienced software issues between
November 2020 to April 2021 and data was unrecoverable. A new gauge was installed in April 2021. It
should also be noted that areas extending beyond the boundaries of W3 exhibited hydrophytic
vegetation, standing water, and saturated soils during site visits. Based on these observations it appears
W3 may extend beyond the currently delineated wetland boundary.
The wetland enhancement area along W5 is exceeding the performance criteria outlined in the Mitigation
Plan. Wetland gauge data indicate water levels within 12 inches for 87 consecutive days over the Year 1
monitoring period: this data is depicted in Figure 8.2 in Appendix E. The re-establishment area of W5 is
Transylvania County, NC Page 4 January 24,2022

Fn Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
be a result of a drainage effect created by the gauges proximity to UT 7. This area will be further
examined to determine if additional groundwater gauges are warranted.
3.0 Maintenance and Adaptive Management Plans
The Repair Plan in Appendix F provides a detailed strategy for mending the damage the Site received
during the 200-year storm event in August 2021. Repairs began on January 21, 2022 and be completed
by January 31, 2022. Scoured areas in the floodplain will be filled with on-site material excavated
from adjacent terrace slopes. Excess material deposited during the August storm event will be removed and
placed along the channel toe of repaired stream banks. Eroded stream banks will be graded to
approximate design dimensions and matted with coir fiber matting. Soil lifts will be installed between
stations 18+60 and 19+10. Overall, approximately 100 linear feet of stream bank grading and 100 linear
feet of substrate removal is anticipated as a result of repair activities. Disturbed areas will be seeded
with a permanent, native seed mix and replanted with native species as approved in the Mitigation Plan.
The re-establishment area of W5 is not currently meeting performance criteria for wetland
hydrology. However, W3 appears to be expanding beyond the current wetland boundary. W3 and
W5 will be further investigated in February 2022 to determine if additional groundwater gauges
may be warranted. If it is determined that groundwater gauges are warranted, HDR will coordinate with
DMS and the IRT regarding gauge placement prior to installation.
Transylvania County, NC Page 5 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
4.0 References
HDR Engineering, Inc. of the Carolinas 2020. Mitigation Plan Owen Farms Mitigation Site. Transylvania
County, North Carolina.January 31, 2020.
NCDENR. Division of Mitigation Services (DMS). 2013.Survey Requirements for Full Delivery Projects.
https://ncdenr.s3.amazonaws.com/s3fspublic/Mitigation_Services/Document_Management_
Library/Guidance_and Template_Documents/2013_08_13_FD_SurveySpecs.pdf
NCDEQ. Division of Mitigation Services (DMS). 2020.Annual Monitoring Report
Format, Data, and Content Requirements October 2020.
https://fi les.nc.gov/ncdeq/Mitigation%20Services/Document%20Management%20Li brary/Guid
ance%20and%20Template%20Documents/DMSMonitoringReportTemplateOct2020.pdf
North Carolina Geological Survey(NCGS), 1985. Geologic Map of North Carolina.
North Carolina Wetland Functional Assessment Team (WFAT). 2016. N.C. Wetland Assessment Method
(NC WAM) User Manual, Version 5.0(February 2016). 290 pp
North Carolina Stream Functional Assessment Team (SFAT). 2015. N. C. Stream Assessment Method (NC
SAM) User Manual, Version 2.1 (August 2015). 350 pp
Rosgen, David. 1996. Applied River Morphology. Wildland Hydrology, Pagosa Springs Colorado.
Schafale, Michael P., Weakley, Alan S. Classification of the Natural Communities of North Carolina.Third
Approximation. 1990. North Carolina Natural Heritage Program, Raleigh, NC.
The Applied Climate Information System (ACTS). 2021. WETS Station:Brevard, NC.
http://agacis.rcc-acis.org/?fips=37175
US Army Corps of Engineers(USACE), North Carolina Interagency Review Team(NCIRT). 2016. Wilmington
District Stream and Wetland Compensatory Mitigation Update.
United States Geological Survey (USGS), 1984. Lake Toxaway Quadrangle, North Carolina, 7.5 Minute
Series (Topographic). Washington, D. C.
Transylvania County, NC Page 6 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Appendix A — General Project Information
Transylvania County, NC Page 7 January 24 2022

F)1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 1. Owen Farms Mitiaation Site(DMS Project No. 100064)Project Mitigation Quantities and Credits
Original
Mitigation Original Original Original
Plan As-Built Mitigation Restoration Mitigation
Project Segment Ft/Ac Ft/Ac Category Level Ratio(X:1) Credits Comments
Stream
West Fork French Broad River 1799.000 1799.000 Cold R 1.00000 1,799.000 Full channel Restoration,buffer planting,livestock exclusion,permanent easement
(WFFBR)*
West Fork French Broad River 705.000 705.000 Cold Ell 2.50000 282.000 Bank stabilization along the left bank,buffer planting,livestock exclusion,and
(WFFBR) permanent easement
UT 1* 764.000 764.000 Cold ElI 4.00000 191.000 Buffer planting,livestock exclusion,and permanent easement
UT 2 923.000 923.000 Cold ElI 3.50000 263.714 Buffer planting,livestock exclusion,and permanent easement
UT 2A* 546.000 546.000 Cold ElI 2.50000 218.400 Buffer planting,livestock exclusion,and permanent easement
UT 2B 75.000 75.000 Cold ElI 2.50000 30.000 Buffer planting,livestock exclusion,and permanent easement
UT 3 125.000 125.000 Cold El 1.50000 83.333 Stabilization of channel dimension and profile,buffer planting,livestock exclusion,and
permanent easement
UT 4* 809.000 809.000 Cold ElI 2.50000 323.600 Buffer planting,livestock exclusion,and permanent easement
UT 4A 472.000 472.000 Cold Ell 2.30000 205.217 Stabilization of channel dimension and profile near confluence with UT 4,buffer
planting,livestock exclusion,and permanent easement
UT 4B 178.000 178.000 Cold ElI 4.00000 44.500 Buffer planting,livestock exclusion,and permanent easement
UT 5* 827.000 827.000 Cold R 1.00000 827.000 Full channel Restoration,buffer planting,livestock exclusion,permanent easement
UT 6 114.000 114.000 Cold P 10.00000 11.400 Preservation
UT 6A 206.000 206.000 Cold P 10.00000 20.600 Preservation
UT 7 417.000 417.000 Cold R 1.00000 417.000 Full channel Restoration,buffer planting,livestock exclusion,permanent easement
UT 7 439.000 439.000 Cold ElI 3.50000 125.429 Buffer planting,livestock exclusion,and permanent easement
UT 7A 103.000 103.000 Cold P 10.00000 10.300 Preservation
UT 7B 136.000 136.000 Cold ElI 2.50000 54.400 Buffer planting,livestock exclusion,and permanent easement
UT 8 137.000 137.000 Cold R 1.00000 137.000 Full channel Restoration near confluence with WFFBR,buffer planting,livestock
exclusion,permanent easement
Total: 5,043.893
Wetland Als. Ada_ = N
Wetland Group 1(W1-W9) 1.540 1.396 R E 2.00000 0.770 Planting,livestock exclusion,permanent easement
Wetland Group 2(W3 and W5) 0.350 0.350 R REE 1.00000 0.350 Raising invert of adjacent tributaries and filling abandoned channels;livestock
exclusion,planting,and removal of spoil
Wetland Group 3(W3) 0.970 0.970 R RH 1.50000 0.647 Planting,livestock exclusion,permanent easement;restoring adjacent tributaries to
increase frequency of floodwaters accessing wetland
Total: 1.767
*Length of streams flowing through utility easements or agricultural crossings has been deducted from As-Built and Original Mitigation Plan footage and credits
Project Credits
Stream Riparian Non-Rip Coastal
Restoration Level Warm Cool Cold Wetland Wetland Marsh
Restoration N/A N/A 3,180.000 N/A N/A N/A
Re-establishment 0.350 N/A N/A
Rehabilitation 0.647 N/A N/A
Enhancement 0.770 N/A N/A
Enhancement I N/A N/A 83.333
Enhancement ii N/A N/A 1,738.260
Creation N/A N/A N/A
Preservation N/A N/A 42.300 N/A N/A
Totals N/A N/A 5,043.893 1.767 N/A N/A
Total Stream Credit 5,043.893
Total Wetland Credit 1.767
Transylvania County, NC Page 8 January 24 2022

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A PROJECT ASSET MAP
I OWEN FARMS MITIGATION SITE
Feet 1,400 FIGURE 1.0
OWEN FARMS AS-BUILT REPORT
Page 9

F)1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 2. Project Goals, Performance Criteria, and Functional Improvements
Goal Treatment Functional Uplift ■ Performance Criteria Measurements Monitoring Results
Entrenchment Ratios
should be>_2.2.
BHR should not exceed 1.2.
Restore/enhance Reduction of nutrients and Cross sectional profiles
BHR should not change
streams within the Restore a stable dimension, sediment to downstream Cross-section indicate aggradation of
more than 10%in any given
Site so that they are pattern,and profile. Install locations,reduction of shear monitoring and visual deposited material from 200
monitoring interval.
neither aggrading nor fencing to exclude cattle. stress,and improved inspections. year storm event.All cross
Riffle section W/D ratios
degrading hydraulic function. sections BHR<1.
should remain within the
range of the appropriate
stream type.
Restore several existing streams
as primarily a Priority I Increase attenuation of Flow gauges(Pressure All monitored reaches have
Provide/enhance restoration where bankfull and floodwaters,increase Four bankfull events in
transducers),and visual experienced 2 bankfull
flood attenuation. larger flows can access the biogeochemical cycling and separate monitoring years.
floodplain. Construct floodplain recharge riparian wetlands. inspection. events.
bench on WFFBR.
Minimum of 320 stems/ac
present at MY-3.Minimum
of 260 stems/ac present at
Treatment of nutrient MY-5.Minimum of 210 Vegetation plots will be
Restore/enhance Restore native vegetation to the 19/20 plots meeting
aquatic,semi- stream channel banks,wetlands, enriched surface runoff from stems/ac present at MY-7. monitored annually performance criteria.Plot 12
adjacent pastureland, Trees should average 6 feet between July 1st and
aquatic,and riparian and the adjacent riparian is currently not meeting MY3
increased bank stability and in height at MY-5 and 8 feet leaf fall using the CVS
habitat. corridor. standards.
increased habitat. in height at MY-7.Bog protocol.
Complex communities may
exhibit lower stem density
and height.
Groundwater elevation
Restore/Enhance Reconstruct above bankfull Restoration of riparian within 12 inches of the
Wetlands within the stream channel flows to riparian habitat,treatment of nutrient ground surface for at Groundwater All but one wetland is
Site to remove wetlands and re-grade enriched runoff from
hydrologic topography to remove spoil and adjacent pastureland, least 12%of the growing monitoring gauges. meeting performance criteria
season(April 7-October
impairments overburden material. increased flood attenuation.
30).
Restore and connect Protect Site from
riparian habitat with Conservation easement Prevent Easement No encroachment into the
encroachment in Visual inspection.
adjacent natural establishment. Encroachment. conservation easement.
conservation easement.
communities.
Transylvania County, NC Page 10 January 24,2022

F)1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 3. Monitoring Plan Components
Paramet Frequency Notes
Method
Dimension Riffle Cross UT5(2) Years 1,2,
Sections UT7(1) 3,5&7
UT8(1)
WFFBR(4)
Pool Cross UT5(2) Years 1,2, Bank pins may be installed in areas of concern.
Sections UT7(1) 3,5&7
UT 8(1)
WFFBR(2)
Pattern Visual None twice per Bank pins may be installed in areas of concern
year
Profile Visual None twice per Additional profile measurements may be required if
year problems are identified during the monitoring period
Substrate Visual None Annual There should be an absence of any significant trend in the
aggradational or depositional potential of the channel
Surface Water Flow Gage UT5(1) twice per Measuring devices will be inspected/downloaded at each
Hydrology (Pressure UT7(1) year site visit to document occurrence of bankfull events and
Transducer) UT8(1) ensure device function
WFFBR(1)
Groundwater Groundwater 5 Site Annual Data will be downloaded at each site visit.
Hydrology Gages gauges,
2 Reference
Gauges
Vegetation CVS Level 2 Vegetation Years 1,2, Vegetation will be monitored using the Carolina
plots will be 3,5&7 Vegetation Survey(CVS) protocols. GPS coordinates and
placed on orientation of random plots will be provided in the annual
"2%of the monitoring reports and plot locations will be depicted on
planted area the Current Condition Plan View maps.
(17
permanent,
10x10 meter
plots;3
random
plots of
equal size)
Invasive and Visual twice per Locations of exotic and nuisance vegetation and the
nuisance year occurrence of beaver dams and approximate inundation
vegetation limits will be mapped
Project Visual twice per Fence damage,vegetation damage,boundary
Boundary year encroachments,etc.will be mapped
Culverts and Visual Twice per Blockages and/or erosion around culverts and crossings
Crossings year will be mapped and noted in monitoring reports.
Transylvania County, NC Page 11 January 24,2022

I-) Owen Farms Mitigation Sited DMS Project No. 100064
MY1 Monitoring Report
Table 4. Project Attributes
Project Attribute Table
Project Name Owen Farms Mitigation Site
County Transylvania
Project Area(acres) 25
Project Coordinates(latitude and longitude decimal degrees) 35.183902,-82.937970
Project Watershed Summary Information
Physiographic Province Blue Ridge Mountains
River Basin French Broad
USGS Hydrologic Unit 8-digit I 06010105 USGS Hydrologic Unit 14-digit I 06010105010020
DWR Sub-basin 0601010501
Project Drainage Area(acres) 3,795
Project Drainage Area Percentage of Impervious Area 2
Land Use Classification Agricultural/Pasture
Reach Summary Information
Parameters WFFB UT 4 UT 5 UT 6
Pre-project length(feet) 1,975 731 652 114
Post-project(feet) 1,799 809 827 114
Valley confinement(Confined,moderately confined,unconfined) Unconfined Confined Confined Confined
Drainage area(acres) 3,795 30.6 45.2 21.7
Perennial,Intermittent,Ephemeral Perennial Perennial Perennial Perennial
NCDWR Water Quality Classification B;Tr B B B
Dominant Stream Classification(existing) B4 B4 B4 B4
Dominant Stream Classification(proposed) C4 C4 C4 C4
Dominant Evolutionary class(Simon)if applicable
Reach Summary Information Continued
Parameters UT 7 UT 8 UT 1 UT 2
Pre-project length(feet) 372 49 764 923
Post-project(feet) 417 137 764 923
Valley confinement(Confined,moderately confined,unconfined) Confined Confined Confined Confined
Drainage area(acres) 32.1 41 19.5 18.6
Perennial,Intermittent,Ephemeral Perennial Perennial Perennial Perennial
NCDWR Water Quality Classification B B B B
Dominant Stream Classification(existing) B4 B4 B4 B4
Dominant Stream Classification(proposed) C4 C4 B4 B4
Dominant Evolutionary class(Simon)if applicable
Reach Summary Information Continued
Parameters UT 3
Pre-project length(feet) 125
Post-project(feet) 125
Valley confinement(Confined,moderately confined,unconfined) Confined
Drainage area(acres) <1
Perennial,Intermittent,Ephemeral Intermittent
NCDWR Water Quality Classification B
Dominant Stream Classification(existing) E4
Dominant Stream Classification(proposed) E4
Dominant Evolutionary class(Simon)if applicable
Wetland Summary Information
Wetland Group 1(W1- Wetland Group 3
Parameters Wetland Group 2(W3&W5)
W9) (W3)
Pre-project(acres) 1.54 0.35 0.97
Post-project(acres) 1.54 0.35 0.97
Wetland Type(non-riparian,riparian) Riparian Riverine Riparian Riverine Riparian Riverine
Mapped Soil Series Ela Ela Ela
Soil Hydric Status A7,F3,F6 F3,F6 F3,F6
Regulatory Considerations
Parameters Applicable? Resolved? Supporting Docs?
Water of the United States-Section 404 Yes Yes PCN
Water of the United States-Section 401 Yes Yes PCN
Endangered Species Act Yes Yes CE
Historic Preservation Act Yes Yes CE
Coastal Zone Management Act(CZMA or CAMA) No N/A N/A
Essential Fisheries Habitat No N/A N/A
Transylvania County, NC Page 12 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 5. Project Activity and Reporting History
Data Completion
Activity or Report Collection or Delivery
Complete
Mitigation Plan January 2020 January 2020
Final Design—Planting and Construction Plans January 2020 February 2020
Construction --- October 7, 2020
Repair Activities Complete --- January 15, 2021
Bare Root and Livestake Plantings for Entire Project --- January 22, 2021
Area
Mitigation Plan/As-built(Year 0 Monitoring-Baseline) February 25, 2021 March 31, 2021
Year 1 Monitoring September 29, 2021 January 24, 2022
Year 2 Monitoring
Year 3 Monitoring
Year 4 Monitoring
Year 5 Monitoring
Table 6. Project Contacts Table
Designer HDR Engineering
555 Fayetteville Street, Suite 900
Raleigh, North Carolina 27601-3034
Primary project design POC Vickie Miller(919) 232-6600
Construction Contractor Land Mechanics Design, Inc.
126 Circle G Lane
Willow Spring, NC 27592
Construction Contractor POC Lloyd Glover [phone]
Planting Contractor Land Mechanics Design, Inc.
126 Circle G Lane
Willow Spring, NC 27592
Planting Contractor POC Lloyd Glover [phone]
Monitoring Performers Land Management Group, Inc
3101 Poplarwood Court
Raleigh, North Carolina 27604
Stream Monitoring POC Land Management Group, Inc
3101 Poplarwood Court
Raleigh, North Carolina 27604
Alex DiGeronimo [phone]
Vegetation Monitoring POC Land Management Group, Inc
3101 Poplarwood Court
Raleigh, North Carolina 27604
Alex DiGeronimo [phone]
Transylvania County, NC Page 13 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Appendix B — Visual Assessment Data
Transylvania County, NC Page 14 January 24,2022

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CURRENT CONDITIONS PLAN VIEW
F)1
I OWEN FARMS MITIGATION SITE
1,800 FIGURE 2.1

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ACURRENT CONDITIONS PLAN VIEW
F)1
I 1 OWEN FARMS MITIGATION SITE
0 Feet 375 FIGURE 2.2

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CURRENT CONDITIONS PLAN VIEW
F)1 I 1 OWEN FARMS MITIGATION SITE
0 Feet 370 FIGURE 2.3

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CURRENT CONDITIONS PLAN VIEW
I I OWEN FARMS MITIGATION SITE
0 Feet 390 FIGURE 2.4

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CURRENT CONDITIONS PLAN VIEW
I I OWEN FARMS MITIGATION SITE
0 Feet 310 FIGURE 2.5

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Wetland Re-establishment (RR, Re-est., 1:1) i � '',4 ' • `,' .'Y
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—► Monitoring Photo Direction< Rock Cross Vane
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O Flow Gauges •• _
, Hellbender Habitat
Cattails
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CURRENT CONDITIONS PLAN VIEW
I I OWEN FARMS MITIGATION SITE
0 Feet 630 FIGURE 2.8

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f , Cross Sections
k „4e•
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7 .
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Structures
11' . . ,•_. .... ,A . . • , 1:,fir,../ .44. ..: „... ,
•''',., • ..,), •.: i. r•40-. . - . ,..-.% •„4 1 - g'•••. 4, - ii ft a, - Monitoring Photo DirectioN Rock Step
'" -.1.-• • -, .r....„,
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Rock Cross Vane
. ,
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- -t. al, If. .• - • : • -• .. VI' ,I.n 4 ' . . 41 (v.. ., L. . .4f ',.. -. ( )I Log Structure
, ,.,•'. ill IA... ,,F,,,,,„ '., : _ .-.• .... „,... .„ . . .. .
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' Wr ' i;-4tr*---••• ' Hellbender Habitat
-- - -r• . Nliillek.raga-s.. --- ' ''''''-•'-•- -.' _ ' * AR "-v-A,..'V' •1,,'e'.,-;mt , . ..'...i, .2,,,• 4Nii
,k'i'q'',-, •-:-..rs,• ..&A ., r Cattails
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,. t. ' • - •.1 -...!.;"'
-•:. . . -40 '.1:7 ' • -.- - .1. '-tiFfailatriainiMEME
IM)1 I P
I
500 CURRENT CONDITIONS PLAN VIEW
OWEN FARMS MITIGATION SITE
0 Feet
FIGURE 2.9

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 7.1 Visual Stream Stability Assessment
Reach WFFB
Assessed Stream Length 1799
Assessed Bank Length 3598
Date of Assessment 9/27/2021
Number
Stable, Amount of %Stable,
Performing as Total Number Unstable Performing as
Major Channel Category Metric Intended in As-built Footage Intended
Bank Surface Scour/Bare Bank lacking vegetative cover resulting simply from poor growth 106 97%
Bank and/or surface scour
Bank toe eroding to the extent that bank failure appears likely.
Toe Erosion Does NOT include undercuts that are modest, appear sustainable 0 100%
and are providing habitat.
Bank Failure Fluvial and geotechnical - rotational, slumping, calving, or collapse 48 99%
Totals 154 96%
Grade control structures exhibiting maintenance of grade across
Structure Grade Control 16 16 100%
the sill.
Bank erosion within the structures extent of influence does not
Bank Protection exceed 15%. (See guidance for this table in DMS monitoring 15 16 94%
guidance document)
Transylvania County, NC Page 24 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 7.2 Visual Stream Stability Assessment
Reach UT4
Assessed Stream Length 809
Assessed Bank Length 1618
Date of Assessment 9/27/2021
Number
Stable, Amount of %Stable,
Performing as Total Number Unstable Performing as
Major Channel Category Metric Intended in As-built Footage Intended
Bank Surface Scour/Bare Bank lacking vegetative cover resulting simply from poor growth 0 100%
Bank and/or surface scour
Bank toe eroding to the extent that bank failure appears likely.
Toe Erosion Does NOT include undercuts that are modest, appear sustainable 0 100%
and are providing habitat.
Bank Failure Fluvial and geotechnical - rotational, slumping, calving, or collapse 0 100%
Totals 0 100%
Structure Grade Control Grade control structures exhibiting maintenance of grade across 14 14 100%
the sill.
Bank erosion within the structures extent of influence does not
Bank Protection exceed 15%. (See guidance for this table in DMS monitoring 14 14 100%
guidance document)
Transylvania County, NC Page 25 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 7.3 Visual Stream Stability Assessment
Reach UT6
Assessed Stream Length 114
Assessed Bank Length 228
Date of Assessment 9/27/2021
Number
Stable, Amount of %Stable,
Performing as Total Number Unstable Performing as
Major Channel Category Metric Intended in As-built Footage Intended
Bank Surface Scour/Bare Bank lacking vegetative cover resulting simply from poor growth 0 100%
Bank and/or surface scour
Bank toe eroding to the extent that bank failure appears likely.
Toe Erosion Does NOT include undercuts that are modest, appear sustainable 0 100%
and are providing habitat.
Bank Failure Fluvial and geotechnical - rotational, slumping, calving, or collapse 0 100%
Totals 0 100%
Grade control structures exhibiting maintenance of grade across
Structure Grade Control 2 2 100%
the sill.
Bank erosion within the structures extent of influence does not
Bank Protection exceed 15%. (See guidance for this table in DMS monitoring 2 2 100%
guidance document)
Transylvania County, NC Page 26 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 7.4 Visual Stream Stability Assessment
Reach UT5
Assessed Stream Length 827
Assessed Bank Length 1654
Date of Assessment 9/27/2021
Number
Stable, Amount of %Stable,
Performing as Total Number Unstable Performing as
Major Channel Category Metric Intended in As-built Footage Intended
Bank Surface Scour/Bare Bank lacking vegetative cover resulting simply from poor growth 0 100%
Bank and/or surface scour
Bank toe eroding to the extent that bank failure appears likely.
Toe Erosion Does NOT include undercuts that are modest, appear sustainable 0 100%
and are providing habitat.
Bank Failure Fluvial and geotechnical - rotational, slumping, calving, or collapse 0 100%
Totals 0 100%
Grade control structures exhibiting maintenance of grade across
Structure Grade Control 23 23 100%
the sill.
Bank erosion within the structures extent of influence does not
Bank Protection exceed 15%. (See guidance for this table in DMS monitoring 23 23 100%
guidance document)
Transylvania County, NC Page 27 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 7.5 Visual Stream Stability Assessment
Reach UT7
Assessed Stream Length 417
Assessed Bank Length 834
Date of Assessment 9/27/2021
Number
Stable, Amount of %Stable,
Performing as Total Number Unstable Performing as
Major Channel Category Metric Intended in As-built Footage Intended
Bank Surface Scour/Bare Bank lacking vegetative cover resulting simply from poor growth 0 100%
Bank and/or surface scour
Bank toe eroding to the extent that bank failure appears likely.
Toe Erosion Does NOT include undercuts that are modest, appear sustainable 0 100%
and are providing habitat.
Bank Failure Fluvial and geotechnical - rotational, slumping, calving, or collapse 0 100%
Totals 0 100%
Grade control structures exhibiting maintenance of grade across
Structure Grade Control 10 10 100%
the sill.
Bank erosion within the structures extent of influence does not
Bank Protection exceed 15%. (See guidance for this table in DMS monitoring 10 10 100%
guidance document)
Transylvania County, NC Page 28 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 7.6. Visual Stream Stability Assessment
Reach UT8
Assessed Stream Length 137
Assessed Bank Length 274
Date of Assessment 9/27/2021
Number
Stable, Amount of %Stable,
Performing as Total Number Unstable Performing as
Major Channel Category Metric Intended in As-built Footage Intended
Bank Surface Scour/Bare Bank lacking vegetative cover resulting simply from poor growth 0 100%
Bank and/or surface scour
Bank toe eroding to the extent that bank failure appears likely.
Toe Erosion Does NOT include undercuts that are modest, appear sustainable 0 100%
and are providing habitat.
Bank Failure Fluvial and geotechnical -rotational, slumping, calving, or collapse 0 100%
Totals 0 100%
Grade control structures exhibiting maintenance of grade across
Structure Grade Control 3 3 100%
the sill.
Bank erosion within the structures extent of influence does not
Bank Protection exceed 15%. (See guidance for this table in DMS monitoring 3 3 100%
guidance document)
Transylvania County, NC Page 29 January 24,2022

Fn Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 8. Visual Vegetation Condition Assessment
Planted acreage 14.26
Date of Assessment 9/27/2021
Mapping Combined %of Planted
Vegetation Category Definitions Threshold Acreage Acreage
Bare Areas Very limited cover of both woody and herbaceous material. 0.10 acres 0.34 2.4%
Low Stem Density Areas Woody stem densities clearly below target levels based on current MY stem count criteria. 0.10 acres 0.02 0.1%
Total 0.36 2.5%
Areas of Poor Growth Rates Planted areas where average height is not meeting current MY Performance Standard. 0.10 acres 0.40 2.8%
Cumulative Total 0.76 5.3%
Easement Acreage 25.0
Mapping Combined %of Easement
Vegetation Category Definitions Threshold Acreage Acreage
Invasives may occur outside of planted areas and within the easement and will therefore be calculated
against the total easement acreage Include species with the potential to directly outcompete native,
Invasive Areas of Concern 0.10 acres 0.00 0.0%
young, woody stems in the short-term or community structure for existing communities. Species
included in summation above should be identified in report summary.
Encroachment may be point, line, or polygon. Encroachment to be mapped consists of any violation of
Easement Encroachment Areas restrictions specified in the conservation easement. Common encroachments are mowing, cattle access, 0.10 acres 0 Encroachments noted
vehicular access. Encroachment has no threshold value as will need to be addressed regardless of impact
area.
Transylvania County, NC Page 30 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Appendix C — Vegetation Plot Data
Transylvania County, NC Page 31 January 24,2022

F)1 Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Table 9. Vegetation Plot Data
Planted Acreage 14.26
Date of Initial Plant 2021-01-22
Date(s)of Supplemental Plant #N/A
(s)Date(s)Mowing #N/A
Date of Current Survey 2021-09-27
Plot size(ACRES) 0.0247
Scientific Name Common Name Tree/Sh Indicator Veg Plot 1 F Veg Plot 2 F Veg Plot 3 F Veg Plot 4 F Veg Plot 5 F Veg Plot 6 F Veg Plot 7 F Veg Plot B F Veg Plot 9 F Veg Plot 10 F Veg Plot 12 F Veg Plot 13 F Veg Plot 14 F Veg Plot 15 F Veg Plot 17 F Veg Plot 18 F Veg Plot 20 F Veg Plot 11 R Veg Plot 16 R Veg Plot 19 R
rub Status Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Planted Total Total Total Total
Alnusserrulata hazel alder Tree OBL 14 4
Amnia arbutifolia red chokeberry Shrub FACW 1 1 1
Betula alleghaniensis yellow birch Tree FAC 1 1 1 1 1 1 1 1 1 1 4 4 1 1
Betula nigm river birch Tree FACW 4 4 2 2 1 1 1 1 6 6 3 3 6 6 2 2 3 3 3 3 2 2 1
Carya cordibmris bitternut hickory Tree FACU 2 2 4 4 4 4 2 2 4 9
Carya ovate shagbark hickory Tree FACU 1 1 1 1 1 2 2 1 1 5 5 1 1
Species mCephalanthus occidentalis common buttonbush Shrub OBL 1 1 1
Included in Comus aomum silky dogwood Shrub FACW 1 1 3
Comus Honda flowering dogwood Tree FACU 2 2 1 1 4 4 1 1
Approved Hamane!is virginiana American witchhaze Tree FACU 1 1 3 3 3 3 1 1 4 4 1 1 3 3 1
Mitigation Plan Lindem benzoin northern spicebush Tree FAC 3 3
Linodendron tulipifem tuliptree Tree FACU 2 2 3 4 2 2 4 4 3 3 1 1 1 1 1 1 2 2 2 2 1 1 4 4 1 1 2 2 5 5 1 3
Platens occidentalis American sycamore Tree FACW 3 3 1 1 3 3 6 6 5 5 4 4 5 5 3 3 2 2 1 1 6 6 2 2 5 5 5 5 1 7 3
Quercus alba white oak Tree FACU 1 1 1 1 4 4 2 2 5 5 6 6 3 3 7 7 5 5 5 5
Sambucus canadensis American black Tree 1 1 1
elderberry
Ulmus americana American elm Tree FACW 3 3 1 1 2 2 1 1
Sum Performance Standard 12 13 13 14 12 26 11 11 15 15 16 16 11 11 17 17 15 15 15 15 6 6 16 17 14 14 17 17 13 13 14 14 11 11 11 13 15
Acer rubrum red maple Tree FAC 1
Post Mitigation
Plan Species Ilex opaca American holly Tree FACU 1
Sum Proposed Standard 12 13 13 14 12 26 11 11 15 15 16 16 11 11 17 17 15 15 15 15 6 6 16 17 14 14 17 17 13 13 14 14 11 11 11 13 15
OP •
Invasives 1 Rosa multiflora 1 multiflora rose I Shrub I FACU I
Current Year Stem Count 13 14 26 11 15 16 11 17 15 15 6 17 14 17 13 14 11 11 13 15
Mitigation Plan Stems/Acre 526 567 1052 445 607 648 445 688 607 607 243 688 567 688 526 567 445 445 526 607
Performance Species Count 7 6 7 5 4 4 6 6 6 5 4 5 7 5 5 5 3 6 4 3
Standard Dominant Species Composition(%) 27 27 54 36 40 38 36 35 27 47 50 35 29 35 31 36 45 36 54 60
Average Plot Height(ft) 2 1 2 3 3 2 3 2 2 2 2 2 2 2 1 1 2 3 2 3
%Invasives 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Current Year Stem Count 13 14 26 11 15 16 11 17 15 15 6 17 14 17 13 14 11 11 13 15
Post Mitigation Stems/Acre 526 567 1052 445 607 648 445 688 607 607 243 688 567 688 526 567 445 445 526 607
Plan Species Count 7 6 7 5 4 4 6 6 6 5 4 5 7 5 5 5 3 6 4 3
Performance Dominant Species Composition(%) 27 27 54 36 40 38 36 35 27 47 50 35 29 35 31 36 45 36 54 60
Standard Average Plot Height(ft.) 2 1 2 3 3 2 3 2 2 2 2 2 2 2 1 1 2 3 2 3
%Invasives 0 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Meeting Success Criteria
Not Meeting Success Criteria
Transylvania County, NC Page 32 January 24,2022

HD1Owen Farms Mitigation Site I DMS Project No.100034
MY1 Monitoring Report
Table 10 Vegetation Performance Standards Summary TabIr
Vegetation Performance Standards Summary Table
Veg Plot1F Veg Plot 2F Veg Plot 3F
Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives
Monitoring Year 7
Monitoring Year 5
Monitoring Year 3
Monitoring Year 2
Monitoring Year 526 2 567 1 6 1052 2 7 0
Monitoring Year 486 2 526 2 445 2 5 0
Veg Plot4F Veg Plot 5F Veg Plot 6F
Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives
Monitoring Year 7
Monitoring Year 5
Monitoring Year 3
Monitoring Year 2
Monitoring Year 445 3 5 0 607 3 4 0 648 2 4 0
Monitoring Year 445 2 5 0 607 2 4 0 648 2 4 0
Veg Plot 7F Veg Plot 8F Veg Plot 9F
Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives
Monitoring Year 7
Monitoring Year 5
Monitoring Year 3
Monitoring Year 2
Monitoring Year 445 3 6 0 688 2 6 0 607 2 6 0
Monitoring Year 0 445 2 6 0 648 2 6 0 607 2 6 0
Veg Plot 10 F Veg Plot 12 F Veg Plot 13 F
Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives
Monitoring Year 7
Monitoring Year 5
Monitoring Year 3
Monitoring Year 2
Monitoring Year 1 607 2 5 0 243 2 4 0 688 2 5
Monitoring Year 607 2 5 0 243 2 4 0 648 2 4
Veg Plot 14 F Veg Plot 15 F Veg Plot 17 F
Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives
Monitoring Year 7
Monitoring Year 5
Monitoring Year 3
Monitoring Year 2
Monitoring Year 567 2 7 0 688 2 5 0 526 1 5 0
Monitoring Year 567 2 7 0 688 2 5 0 526 2 5 0
Veg Plot 18 F Veg Plot 20 F Veg Plot Group 1 R
Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives
Monitoring Year 7
Monitoring Year 5
Monitoring Year 3
Monitoring Year 2
Monitoring Year 567 1 445 2 3 0 445 3 6
Monitoring Year 0 567 2 445 2 3 0 526 1.84
Veg Plot Group 2 R Veg Plot Group 3 R
Stems/Ac. Av.Ht.(ft) #Species %Invesives Stems/Ac. Av.Ht.(ft) #Species %Invesives
Monitoring Year 7
Monitoring Year 5
Monitoring Year 3
Monitoring Year 2
Monitoring Year 1 526 2 4 607 3
Monitoring Year 0 729 2.05 648 1.99
*Each monitoring year represents a different plot for the random vegetation plot"groups".Random plots are denoted with an R,and fixed plots with an F.
Meeting Success Criteria
Not Meeting Success Criteria
Transylvania County, NC Page 33 January 24,2022

HD1Owen Farms Mitigation Site I DMS Project No.100034
MY1 Monitoring Report
Figures 3.1—3.43: Vegetation Plot Photographs and Site Aerial Photographs
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3.5 Vegetation Plot 5, 9/27/2021 3.6 Vegetation Plot 6, 9/27/2021
Transylvania County, NC Page 34 January 24,2022

HDI Owen Farms Mitigation Site I DMS Project No.100034
MY1 Monitoring Report
Figures 3.1—3.43: Vegetation Plot Photographs and Site Aerial Photographs
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3.11 Vegetation Plot 11, 9/28/2021 3.12 Vegetation Plot 12, 9/28/2021
Transylvania County, NC January 24,2022

HD1OwenMY1Monitoring Report Farms Mitigation Site I DMS Project No.100034
Figures 3.1—3.43: Vegetation Plot Photographs and Site Aerial Photographs
t
3.13 Vegetation Plot 13, 9/28/2021 3.14 Vegetation Plot 14, 9/28/2021
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3.17 Vegetation Plot 17, 9/29/2021 3.18 Vegetation Plot 18, 9/29/2021
Transylvania County, NC Page 36 January 24,2022

HDI Owen Farms Mitigation Site I DMS Project No.100034
MY1 Monitoring Report
Figures 3.1 —3.43: Vegetation Plot Photographs and Site Aerial Photographs
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FrenchBr or UToad 8iRiver and
downstream West Fork French Broad
River, 9/28/2021 confluence, 9/28/2021
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3.23 Aerial overview of UT3, UT4 and 3.24 Aerial overview of UT3, looking
UT3 West Fork French Broad confluence, from left bank, 9/28/2021
9/28/2021
January 24,2022
Transylvania County, NC

HDI Owen Farms Mitigation Site I DMS Project No.100034
MY1 Monitoring Report
Figures 3.1—3.43: Vegetation Plot Photographs and Site Aerial Photographs
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downstream, 9/28/2021 looking upstream, 9/28/2021
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left bank of West Fork French Broad looking downstream, 9/28/2021
River, 9/28/2021
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3.29 Storm damage to right bank of West 3.30 Storm damage to right bank of
Fork French Broad River above XS 4, West Fork French Broad River at above
9/27/2021 XS3, 9/27/2021
January 24,2022
Transylvania County, NC

HD1OwenMY1Monitoring Report Farms Mitigation Site I DMS Project No.100034
Figures 3.1—3.43: Vegetation Plot Photographs and Site Aerial Photographs
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9/27/2e021 9/27/2021
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Station 15+20, 9/27/2021 between Station 16+25 and 18+10,
9/27/201
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9/27/2021 9/21/2021
Transylvania County, NC Page 39 January 24,2022

HD1 Owen Farms Mitigation Site I DMS Project No.100034
MY1 Monitoring Report
Figures 3.1—3.43: Vegetation Plot Photographs and Site Aerial Photographs
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Station 15+20, 9/27/2021 between Station 16+25 and 18+10,
9/27/201
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3.35 Severe erosion at Station 18+80 3.36 Toe scour at station 24+30,
9/27/2021 9/21/2021
Transylvania County, NC January 24,2022

H3Owen Farms Mitigation Site I DMS Project No.100034
MY1 Monitoring Report
Figures 3.1—3.43: Vegetation Plot Photographs and Site Aerial Photographs
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at Station 25+00, 9/27/2021 Station 27+00, 9/27/2021
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Blue Ridge Rd. 9/27/2021
.41
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3.41 Crossing at UT 2 9/27/2021 3.42 Crossing at UT 4 9/27/2021
Transylvania County, NC January 24,2022

HD1Owen Farms Mitigation Site I DMS Project No.100034
MY1 Monitoring Report
Figures 3.1 —3.43: Vegetation Plot Photographs and Site Aerial Photographs
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3.43 Ford Crossing at West Fork
French Broad River, 9/27/2021
Transylvania County, NC Page 42 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Appendix D — Stream Geomorphology Data
Transylvania County, NC Page 43 January 24,2022

F)1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figures 4.1 —4.14 Cross Section Photos
4
411111111
i 4
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4.1 West Fork French Broad 4.2 West Fork French Broad
Cross Section 1, 9/27/2021 Cross Section 2, 9/27/2021
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4.3 West Fork French Broad 4.4 West Fork French Broad
Cross Section 3, 9/27/2021 Cross Section 4, 9/27/2021
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4.5 West Fork French Broad 4.6 West Fork French Broad
Cross Section 5, 9/27/2021 Cross Section 6, 9/27/2021
Transylvania County, NC Page 44 January 24,2022

F)� Owen Farms Mitigation Site I DMs Project No.100064
MY1 Monitoring Report
Figures 4.1 —4.14 Cross Section Photos
1 r.
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4.7 UT 8 Cross Section 7, 9/27/2021 4.8 UT 8 Cross Section 8, 9/27/2021
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4.11 UT 5 Cross Section 11, 9/28/2021 4.12 UT 5 Cross Section 12, 9/28/2021
Transylvania County, NC Page 45 January 24,2022

FD1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figures 4.1 —4.14 Cross Section Photos
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Page 46
Transylvania County, NC January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
J MY1 Monitoring Report
Figures 4.1—4.14 Monitoring Cross Section Plots
Figure 4.1 Cross Section 1
River Basin French Broad
Watershed 06010105010020
XS ID XS 1 (WFFBR)
Drainage Area (Acres) 3,795
Date 9/27/2021
Field Crew CLS, RVS
XS-1 Pool (WFFBR)
Baseline-2/25/2021 —— Bankfull-9/27/2021 MY1-9/27/2021
2700.0
2699.0
2698.0
2697.0-
2696.0
O
t 2695.0 �1
2694.0
2693.0
2692.0
2691.0
0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
i Cross Section 1 (Pool)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area -- --
Bank Height Ratio -- --
Thalweg Elevation 2692.85 2692.81
Low Top Of Bank Elevation 2696.45 2696.34
Low Top of Bank Max Depth (ft) 3.60 3.53
Low Top Of Bank Cross Sectional Area (ft2) 58.72 46.68
Transylvania County, NC Page 47 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.2 Cross Section 2
River Basin French Broad
Watershed 06010105010020
XS ID XS 2 (WFFBR)
Drainage Area (Acres) 3,795
Date 9/27/2021
Field Crew CLS, RVS
XS-2 Riffle (WFFBR)
Baseline-2/25/2021 —— Bankfull-9/27/2021 MY1-9/27/2021
2699.0
2698.0
2697.0
2696.0
2695.0
is
d
W 2694.0
2693.0
2692.0
2691.0
0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 2 (Riffle)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area 2696.15 2695.96
Bank Height Ratio 1.00 1.07
Thalweg Elevation 2692.68 2692.53
Low Top Of Bank Elevation 2696.15 2696.21
Low Top of Bank Max Depth (ft) 3.47 3.68
Low Top Of Bank Cross Sectional Area (ft2) 61.32 69.39
Transylvania County, NC Page 48 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.3 Cross Section 3
River Basin French Broad
Watershed 06010105010020
XS ID XS 3 (WFFBR)
Drainage Area (Acres) 3,795
Date 9/27/2021
Field Crew CLS, RVS
XS-3 Riffle (WFFBR)
+Baseline-2/25/2021 —— Bankfull-9/27/2021 MY1-9/27/2021
2697.0
2696.0
2695.0
g 2694.0
4/11r
iu 2693.0
2692.0
2691.0
2690.0
0.0 10.0 20.0 30.0 40.0 50.0 60.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 3 (Riffle)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area 2694.46 2694.11
Bank Height Ratio 1.00 1.15
Thalweg Elevation 2691.17 2690.90
Low Top Of Bank Elevation 2694.46 2694.58
Low Top of Bank Max Depth (ft) 3.29 3.68
Low Top Of Bank Cross Sectional Area (ft2) 65.45 80.97
Transylvania County, NC Page 49 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.4 Cross Section 4
River Basin French Broad
Watershed 06010105010020
XS ID XS 4 (WFFBR)
Drainage Area (Acres) 3,795
Date 9/27/2021
Field Crew CLS, RVS
XS-4 Pool (WFFBR)
- Baseline-2/25/2021 Bankfull-9/27/2021 —111—MY1-9/27/2021
2697.0
2696.0
2695.0 a
2694.0
C �
O 2693.0
iu 2692.0 •`
2691.0
2690.0
2689.0
2688.0
0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 4 (Pool)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area -- --
Bank Height Ratio -- --
Thalweg Elevation 2689.58 2689.43
Low Top Of Bank Elevation 2693.64 2693.95
Low Top of Bank Max Depth (ft) 4.06 4.52
Low Top Of Bank Cross Sectional Area (ft2) 71.83 84.77
Transylvania County, NC Page 50 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.5 Cross Section 5
River Basin French Broad
Watershed 06010105010020
XS ID XS 5 (WFFBR)
Drainage Area (Acres) 3,795
Date 9/27/2021
Field Crew CLS, RVS
XS-5 Riffle (WFFBR)
Baseline-2/25/2021 Bankfull-9/27/2021 -A-MY1-9/27/2021
2696.0
2695.0
2694.0
2693.0
I2692.0
2691.0
2690.0
2689.0
2688.0
2687.0
0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 5 (Riffle)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area 2690.79 2690.79
Bank Height Ratio 1.00 1.01
Thalweg Elevation 2688.36 2688.27
Low Top Of Bank Elevation 2690.79 2690.81
Low Top of Bank Max Depth (ft) 2.43 2.54
Low Top Of Bank Cross Sectional Area (ft2) 49.82 50.32
Transylvania County, NC Page 51 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.6 Cross Section 6
River Basin French Broad
Watershed 06010105010020
XS ID XS 6 (WFFBR)
Drainage Area (Acres) 3,795
Date 9/27/2021
Field Crew CLS, RVS
XS-6 Riffle (WFFBR)
Baseline-2/25/2021 Bankfull-9/27/2021 MY1-9/27/2021
2694.0
2693.0
2692.0
•
2691.0
2690.0
2689.0
2688.0
2687.0 — —
2686.0 -
2685.0
0.0 10.0 20.0 30.0 40.0 50.0 60.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
ANL Cross Section 6 (Riffle)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area 2691.20 2691.11
Bank Height Ratio 1.00 1.06
Thalweg Elevation 2686.44 2686.52
Low Top Of Bank Elevation 2691.20 2691.40
Low Top of Bank Max Depth (ft) 4.76 4.88
Low Top Of Bank Cross Sectional Area (ft2) 138.26 149.49
Transylvania County, NC Page 52 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.7 Cross Section 7
River Basin French Broad
Watershed 06010105010020
XS ID XS 7 (UT 8)
Drainage Area (Acres) 41
Date 9/27/2021
Field Crew CLS, RVS
XS-7 Riffle(UT 8)
Baseline-2/25/2021 — — Bankfull-9/27/2021 MY1-9/27/2021
2698.5
2698.0
2697.5
2697.0 .
2696.5
_d
W 2696.0
2695.5 J —
2695.0 —
2694.5 —
0.0 5.0 10.0 15.0 20.0 25.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 7 (Riffle)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area 2696.64 2696.74
Bank Height Ratio 1.00 1.02
Thalweg Elevation 2695.39 2695.78
Low Top Of Bank Elevation 2696.64 2696.76
Low Top of Bank Max Depth (ft) 1.25 0.98
Low Top Of Bank Cross Sectional Area (ft2) 8.14 8.40
Transylvania County, NC Page 53 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.8Cross Section 8
River Basin French Broad
Watershed 06010105010020
XS ID XS 8 (UT 8)
Drainage Area (Acres) 41
Date 9/27/2021
Field Crew CLS, RVS
XS-8 Pool (UT 8)
Baseline-2/25/2021 Bankfull-9/27/2021 —a—MY1-9/27/2021
2698.0 -
2697.5 -
2697.0
2696.5 -
C
2696.0 -
W
d
W 2695.5
2695.0
2694.5
2694.0
0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's bw top of bank elevation
Cross Section 8 (Pool)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area -- --
Bank Height Ratio -- --
Thalweg Elevation 2694.42 2694.53
Low Top Of Bank Elevation 2696.50 2696.68
Low Top of Bank Max Depth (ft) 2.08 1.97
Low Top Of Bank Cross Sectional Area (ft2) 14.19 11.96
Transylvania County, NC Page 54 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.9 Cross Section 9
River Basin French Broad
Watershed 06010105010020
XS ID XS 9 (UT 5)
Drainage Area (Acres) 45.2
Date 9/27/2021
Field Crew CLS, RVS
XS-9 Pool (UT 5)
+Base line-2/25/2021 Bankfull-9/27/2021 --A—MY1-9/27/2021
2709.0
2708.0
2707.0-
C
C _
2706.0
6 /11.
2705.0-
2704.0
2703.0
0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 9 (Pool)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area -- --
Bank Height Ratio -- --
Thalweg Elevation 2703.98 2704.83
Low Top Of Bank Elevation 2705.97 2706.01
Low Top of Bank Max Depth (ft) 1.99 1.18
Low Top Of Bank Cross Sectional Area (ft2) 10.89 4.96
Transylvania County, NC Page 55 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.10 Cross Section 10
River Basin French Broad
Watershed 06010105010020
XS ID XS 10 (UT 5)
Drainage Area (Acres) 45.2
Date 9/27/2021
Field Crew CLS, RVS
XS-10 Riffle(UT 5)
Baseline-2/25/2021 Bankfull-9/27/2021 -A-MY1-9/27/2021
2704.0
2703.5
2703.0 -
2702.5
d 2702.0
2701.5 -
2701.0 -
2700.5 -
0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 10 (Riffle)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area 2702.02 2701.93
Bank Height Ratio 1.00 1.01
Thalweg Elevation 2701.21 2701.11
Low Top Of Bank Elevation 2702.02 2701.94
Low Top of Bank Max Depth (ft) 0.81 0.83
Low Top Of Bank Cross Sectional Area (ft2) 4.37 4.43
Transylvania County, NC Page 56 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.11 Cross Section 11
River Basin French Broad
Watershed 06010105010020
XS ID XS 11 (UT 5)
Drainage Area (Acres) 45.2
Date 9/27/2021
Field Crew CLS, RVS
XS-11 Pool (UT 5)
Baseline-2/25/2021 —— Bankfull-9/27/2021 MY1-9/27/2021
2699.0
2698.5 -
2698.0
2697.5
is
d
W
2697.0-
2696.5 -
2696.0-
0.0 5.0 10.0 15.0 20.0 25.0 30.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 11 (Pool)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area -- --
Bank Height Ratio -- --
Thalweg Elevation 2696.66 2996.60
Low Top Of Bank Elevation 2697.47 2697.56
Low Top of Bank Max Depth (ft) 0.81 0.96
Low Top Of Bank Cross Sectional Area (ft2) 4.75 5.40
Transylvania County, NC Page 57 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.12 Cross Section 12
River Basin French Broad
Watershed 06010105010020
XS ID XS 12 (UT 5)
Drainage Area (Acres) 45.2
Date 9/27/2021
Field Crew CLS, RVS
XS-12 Riffle (UT 5)
Base li ne-2/25/2021 Ban kfull-9/27/2021 -a-MY 1-9/27/2021
2695.5
2695.0
2694.5
2694.0
iu 2693.5
W
2693.0
2692.5
2692.0
0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 12 (Riffle)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area 2694.13 2694.49
Bank Height Ratio 1.00 0.75
Thalweg Elevation 2692.78 2693.23
Low Top Of Bank Elevation 2694.13 2694.17
Low Top of Bank Max Depth (ft) 1.35 0.95
Low Top Of Bank Cross Sectional Area (ft2) 7.83 4.38
Transylvania County, NC Page 58 January 24,2022

Owen Farms Mitigation Site I CMS Project No.100064
MY1 Monitoring Report
Figure 4.13 Cross Section 13
River Basin French Broad
Watershed 06010105010020
XS ID XS 13 (UT 7)
Drainage Area (Acres) 32.1
Date 9/27/2021
Field Crew CLS, RVS
XS-13 Pool (UT 7)
Baseline-2/25/2021 Bankfull-9/27/2021 MY 1-9/27/2021
2694.0
2693.5
2693.0
2692.5
a 2692.0
2691.5 yP•'
is
2691.0
2690.5
•
2690.0
2689.5 —
2689.0 —
0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 13 (Pool)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area -- --
Bank Height Ratio -- --
Thalweg Elevation 2689.68 2689.67
Low Top Of Bank Elevation 2691.25 2691.40
Low Top of Bank Max Depth (ft) 1.57 1.73
Low Top Of Bank Cross Sectional Area (ft2) 8.77 9.06
Transylvania County, NC Page 59 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figure 4.14 Cross Section 14
River Basin French Broad
Watershed 06010105010020
XS ID XS 14 (UT 7)
Drainage Area (Acres) 32.1
Date 9/27/2021
Field Crew CLS, RVS
XS-14 Riffle(UT 7)
Baseline-2/25/2021 — — Bankfull-9/27/2021 —A—MY1-9/27/2021
2691.0 -
2690.5 -
C 2690.0
C
O
W 2689.5
Ay-
2689.0
2688.5
0.0 5.0 10.0 15.0 20.0 25.0 30.0
Distance(ft)
Bankfull elevation adjusted to current monitoring year's low top of bank elevation
Cross Section 14 (Riffle)
Dimensions Base MY1 MY2 MY3 MY4 MY5
Bankfull Elevation (ft) - Based on As Built-Bankfull Area 2689.90 2689.95
Bank Height Ratio 1.00 0.98
Thalweg Elevation 2689.18 2689.29
Low Top Of Bank Elevation 2689.90 2689.94
Low Top of Bank Max Depth (ft) 0.72 0.65
Low Top Of Bank Cross Sectional Area (ft2) 4.56 4.45
Transylvania County, NC January 24,2022

F)1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 11. Baseline Stream Data Summary
West Fork French Broad River UT 5
Monitoring Baseline Monitoring Baseline
Parameter Pre-Existing Condition(applicaple) Design (MYO) Pre-Existing Condition(applicaple) Design (MYO)
Riffle Only Min Mean Med Max n Min Max Min Max n Min Mean Med Max n Min Max Min Max n
Bankfull Width(ft) 28.78 38.38 38.47 47.90 3 30.00 30.00 27.52 39.11 4 4.38 4.38 4.38 4.38 1 8.50 8.50 8.94 10.08 2
Floodprone Width(ft) 47.89 56.15 51.56 69.00 3 93.00 93.00 96.35 430.60 4 8.00 8.00 8.00 8.00 1 100.00 100.00 60.41 491.41 2
Bankfull Mean Depth(ft) 1.89 2.12 2.07 2.41 3 2.14 2.14 1.81 3.54 4 0.66 0.66 0.66 0.66 1 0.63 0.63 0.43 0.53 2
Bankfull Max Depth(ft) 2.93 3.14 3.20 3.28 3 2.63 2.63 2.43 4.76 4 0.95 0.95 0.95 0.95 1 0.76 0.76 0.81 0.81 2
Bankfull Cross Sectional Area(ft2) 69.31 79.83 79.56 90.63 3 69.60 69.60 49.82 138.26 4 2.90 2.90 2.90 2.90 1 5.00 5.00 4.37 4.75 2
Width/Depth Ratio 11.94 18.62 18.58 25.34 3 14.00 14.00 11.05 15.20 4 6.64 6.64 6.64 6.64 1 13.50 13.50 16.87 23.44 2
Entrenchment Ratio 1.25 1.49 1.44 1.79 3 3.10 3.10 3.50 14.23 4 1.83 1.83 1.83 1.83 1 11.80 11.80 5.99 54.94 2
Bank Height Ratio 1.70 1.90 1.80 2.19 3 1.00 1.00 1.00 1.00 4 1.20 1.20 1.20 1.20 1 1.00 1.00 1.00 1.00 2
Max part size(mm)mobilized at bankfull 83 83 83 40 40 40
Rosgen Classification B4/F4 C4 C4 B4 C4 C4
Bankfull Discharge(cfs) 300 300 300 10 10 10
Sinuosity(ft) 1.06 1.12 1.14 1.08 1.14 1.14
Water Surface Slope(Channel)(ft/ft) 0.0034 0.0034 0.0036 0.012 0.006 0.007
1
UT 7 UT 8
Monitoring Baseline Monitoring Baseline
Parameter Pre-Existing Condition(applicaple) Design (MYO) Pre-Existing Condition(applicaple) Design (MYO)
Riffle Only Min Mean Med Max n Min Max Min Max n Min Mean Med Max n Min Max Min Max n
Bankfull Width(ft) 4.71 4.71 4.71 4.71 1 9.00 9.00 0.00 0.00 1 11.60 11.60 11.60 11.60 1 12.00 12.00 0.00 0.00 1
Floodprone Width(ft) 12.80 12.80 12.80 12.80 1 130.00 130.00 0.00 0.00 1 17.00 17.00 17.00 17.00 1 30.00 30.00 0.00 0.00 1
Bankfull Mean Depth(ft) 0.57 0.57 0.57 0.57 1 0.67 0.67 0.00 0.00 1 0.70 0.70 0.70 0.70 1 0.92 0.92 0.00 0.00 1
Bankfull Max Depth(ft) 0.74 0.74 0.74 0.74 1 0.80 0.80 0.00 0.00 1 0.97 0.97 0.97 0.97 1 1.11 1.11 0.00 0.00 1
Bankfull Cross Sectional Area(ft2) 2.69 2.69 2.69 2.69 1 5.60 5.60 0.00 0.00 1 8.19 8.19 8.19 8.19 1 10.30 10.30 0.00 0.00 1
Width/Depth Ratio 8.26 8.26 8.26 8.26 1 13.50 13.50 0.00 0.00 1 16.30 16.30 16.30 16.30 1 13.00 13.00 0.00 0.00 1
Entrenchment Ratio 2.71 2.71 2.71 2.71 1 14.40 14.40 0.00 0.00 1 1.47 1.47 1.47 1.47 1 2.50 2.50 0.00 0.00 1
Bank Height Ratio 3.40 3.40 3.40 3.40 1 1.00 1.00 0.00 0.00 1 2.79 2.79 2.79 2.79 1 1.00 1.00 0.00 0.00 1
Max part size(mm)mobilized at bankfull 61.7 61.7 61.7 76.8 76.8 76.8
Rosgen Classification B4 C4 C4 B4 C4 C4
Bankfull Discharge(cfs) 13 13 13 45 45 45
Sinuosity(ft) 1 1.24 1.26 1.03 1.09 1.10
Water Surface Slope(Channel)(ft/ft) 0.0246 0.0054 0.0057 0.0379 0.0110 0.0112
Transylvania County, NC Pagel . January 24,2022

F)1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Table 12. Cross Section Morphology Monitoring Summary
Owen Farms Mitigation Site/DMS:100064 - West Fork French Broad River(WFFBR),UT 5,UT 7,UT 8
Cross Section 1(Pool-WFFBR) Cross Section 2(Riffle-WFFBR) Cross Section 3(Riffle-WFFBR) Cross Section 4(Pool-WFFBR) Cross Section 5(Riffle-WFFBR)
iMYO MY1 MY2 MY3 MY5 MY7 MY+ MYO MY1 MY2 MY3 MY5 MY7 MY+ MYO MY1 MY2 MY3 MY5 MY7 MY+ MY0 MY1 MY2 MY3 MY5 MY7 MY+ MYO MY1 MY2 MY3 MY5 MY7 MY+
Bankfull Elevation(ft)-Based on AB-Bankfull Area -- -- 2696.15 2695.96 2694.46 2694.11 -- -- 2690.79 2690.79
Bank Height Ratio_Based on AB Bankfull Area -- -- 1.00 1.07 1.00 1.15 -- -- 1.00 1.01
Thalweg Elevation 2692.85 2692.81 2692.68 2692.53 2691.17 2690.90 2689.58 2689.43 2688.36 2688.27
LTOB2 Elevation 2696.45 2696.34 2696.15 2696.21 2694.46 2694.58 2693.64 2693.95 2690.79 2690.81
LTOB2 Max Depth(ft) 3.60 3.53 3.47 3.68 3.29 3.68 4.06 4.52 2.43 2.54
LTOB2 Cross Sectional Area(ft2) 58.72 46.68 61.32 69.39 65.45 80.97 71.83 84.77 49.82 50.32
Cross Section 6(Riffle-WFFBR) Cross Section 7(Riffle-UT 8) Cross Section 8(Pool-UT 8) Cross Section 9(Pool-UT 5) Cross Section 10(Riffle-UT 5)
MYO MY1 MY2 MY3 MY5 MY7 MY+ MY0 MY1 MY2 MY3 MY5 MY7 MY+ MYO MY1 MY2 MY3 MY5 MY7 MY+ MYO MY1 MY2 MY3 MY5 MY7 MY+ MY0 MY1 MY2 MY3 MY5 MY7 MY+
Bankfull Elevation(ft)-Based on AB-Bankfull Area 2691.20 2691.11 2696.64 2696.74 -- -- -- -- 2702.02 2701.93
Bank Height Ratio_Based on AB Bankfull Area 1.00 1.06 1.00 1.02 -- -- -- -- 1.00 1.01
Thalweg Elevation 2686.44 2686.52 2695.39 2695.78 2694.42 2694.53 2703.98 2704.83 2701.21 2701.11
LTOB2 Elevation 2691.20 2691.40 2696.64 2696.76 2696.50 2696.68 2705.97 2706.01 2702.02 2701.94
LTOB2 Max Depth(ft) 4.76 4.88 1.25 0.98 2.08 1.97 1.99 1.18 0.81 0.83
LTOB2 Cross Sectional Area(ftZ) 138.26 149.49 8.14 8.40 14.19 11.96 10.89 4.96 4.37 4.43
Cross Section 11(Pool-UT 5) Cross Section 12(Riffle-UT 5) Cross Section 13(Pool-UT 7) Cross Section 14(Riffle-UT 7)
MYO MY1 MY2 MY3 MY5 MY7 MY+ MYO MY1 MY2 MY3 MY5 MY7 MY+ MYO MY1 MY2 MY3 MY5 MY7 MY+ MY0 MY1 MY2 MY3 MY5 MY7 MY+
Bankfull Elevation(ft)-Based on AB-Bankfull Area -- -- 2694.13 2694.49 -- -- 2689.90 2689.95
Bank Height Ratio_Based on AB Bankfull Area -- -- 1.00 0.75 -- -- 1.00 0.98
Thalweg Elevation 2696.66 2996.60 2692.78 2693.23 2689.68 2689.67 2689.18 2689.29
LTOB2 Elevation 2697.47 2697.56 2694.13 2694.17 2691.25 2691.40 2689.90 2689.94
LTOB2 Max Depth(ft) 0.81 0.96 1.35 0.95 1.57 1.73 0.72 0.65
LTOB2 Cross Sectional Area(ftZ) 4.75 5.40 7.83 4.38 8.77 9.06 4.56 4.45
The above morphology parameters reflect the 2018 guidance that arose from the mitigation technical workgroup consisting of DMS,the IRT and industry mitigation
providers/practitioners.
1 -Bank Height Ratio(BHR)takes the As-built bankful area as the basis for adjusting each subsequent years bankfull elevation.
-LTOB Area and Max depth-These are based on the LTOB elevation for each years survey(The same elevation used for the LTOB in the BHR calculation). Area below the LTOB elevation
will be used and tracked for each year.The difference between the LTOB elevation and the thalweg elevation(same as in the BHR calculation)will be recroded and tracked above as LTOB
max depth.
Transylvania County, NC Page 62 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Appendix E — Hydrologic Data
Transylvania County, NC Page 63 January 24,2022

FNOwen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figure 6. Monthly Precipitation Data
Owen Farm Monthly Precipitation 2021
(30th / 70th Percentiles)
Rain Gauge Monthly Totals —70th Percentile 30th Percentile
20
19
18
17
16
15
14
13
12
7 11
c 10
(a 9
8 7
6
5 ——
4 - -
3
0 I I I I I I
Nov-20 Dec-20 Jan-21 Feb-21 Mar-21 Apr-21 May-21 Jun-21 Jul-21 Aug-21 Sep-21 Oct-21 Nov-21
Month
Transylvania County, NC Page 64 January 24,2022

ENOwen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figure 7.1 - 7.4 Channel Flow Hydrographs
Figure 7.1 West Fork French Broad River
Flow Depth
West Fork French Broad Water Level Daily Rain Totals --- Bankfull
7.0 10
I Bankfull events
- 9
:.:
Bankfull event - 7
Data Missing after this date
- 6
= 4.0 s
O 5 u
Z.
y3.0 Y 4 '°
W °c
2.0 - 3
2
1.0
/p\� I 1 ,
i_ i
0.0 "� —d\— 0 /V L \ _n , i.J� \ / ._ 0
,I2,I�otiti 3,ti,12�2ti Q\6Iti�21 D\26120_ti S�ti612�2ti 61512�2ti 611512o2ti I�ti51tio21 a�Nl2�iti anti,,,, 9,ti31ti�-Lti \01312o2ti 10
A 1231ti„ti ti\Iti2126-1-ti
Distance (ft)
Transylvania County, NC January 24,2022

H)1 Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figure 7.2 UT 5 Flow Depth
UT5 Water Level -- Bankfull Daily Rainfall Totals
3.0 10
- 9
Bankfull event
2.5
/ - B
_ 7
2.0
- 6
Bankfull event
1.5 _ 5
a I &
4 -56
.2\
z
1.0 r_
-..-- 3
1
M A Ai '. A -. 1 . A . Ii
0
i
v5159ti 3�ti11202ti 3\2i 12�2ti aOtil,01ti a12612�,ti 5�titi1202ti 51261202ti 0'o902ti 6�251ti��ti �tioli��ti 1 1ti51���ti a��I�0�ti a�tial�0�ti 9,aIti0�1 9�ti31���ti 1o1aI�Otiti 10,,,, �1 ��Ii iii-o
Time
Transylvania County, NC Page 66 January 24,2022

ENOwen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figure 7.3 UT 7 Flow Depth
UT7 Water Level Bankfull Daily Rainfall Totals
9.0 - 10
8.0 Bankfull Events - 9
- 8
7.0
- 7
6.0
- 6
C 5.0 I N
w
y I - 5 t
a
0 4.0 •c
- 4 03
CC
3.0
- 3
2.0
- 2
1.0
Aim
o.0 1♦ �� ��� 1 Jt . ♦ •
V �1 1 ��� L� . 1rr n � o
L,,,'Iv,-,000 3I1II�o-1:\, R\6I201> 5
961101:\, 5�16��01:\-00 EX,10-›000 6��6I'0L, 000 1 06\102›000 6\A\ti01000 bllRI1021000 9I13IIo21000 II0)›000 O113I)0.\00
1
Time
Transylvania County, NC Page 67 January 24,2022

FOwen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figure 7.4 UT 8 Flow Depth
UT8 Water Level Bankfull -Daily Rainfall Totals
7.0 - - 10
I Bankfull Events
- 9
6.0 -
- 8
5.0 - 7
- 6 Tn-
4.0 y
Bankfull Events U
.. - 5
a ._
d
0 3.0 - / /
q .of6c
2.0 - 3
ilij \%0 4,4 0,4 0 I 4 0 4 0 1/4.A#.4.. ...,00,....0.44,4 4#0..... 1 __-
- 2
iPr
- WiThIWEI
0.0 1� .I V _ A 1 �A A ��0 ill�1 _ . ,Aitilir i-^--1-A-- -•—li— 0
•
•
•
I25��02�000 Iti��201.- R�6I20��000 R�26��0�• 000 Iti6��0� 000 6�51 01,'° I��I2O2�• O.p0 I�5��02�• 0.00 al�I2o2��.p0 I2R��0�1000 Iti3��02�• 000 QI3I2O2�O.p0 I�3��0��• 0.00 I12I�o� �.p0
2 3 5 6 'I `b 9 1 ti0 tit
Time
Transylvania County, NC Page 68 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Trrhln 13. Bankfull Events Summary
Bankfull Events
Gauge ID MY1 MY2 MY3 MY4 MY5 MY6 MY7
8/16/202i,
West Fork French Broad 8/18/2021,
9/1/2021
8/16/2021,
UT 5 8/18/2021,
10/30/2021
UT 7 8/16/2021,
8/18/2021
8/16/2021,
UT 8 8/18/2021,
8/31/2021,
10/7/2021
Page 69
Transylvania County, NC January 24,2022

FnOwen Farms Mitigation Site I DMs Project No.100064
MY1 Monitoring Report
Figures 8.1 -8.5 Wetland Groundwater Gauge Data
Figure 8.1: W3 Groundwater Gauge Data
Wetland 3, Gauge 1 12 inches below surface Rain Gauge Data
30.0 I 10
o I I o
I I0IZI - 9
20.0
o I I9
- 8
40
V'
10.0 • g
l7 I o C - 7
c cp
'on
co w
- 6
u 0.0 — I I I I I L
> a,
a) s
J U
a) ill41 - 5 C
Fa
es a
-10.0Plipi NINI 1111 NIP I ill J I I w
- 4
/4
co
-20.0 Gauge 1 75 days 3
above -12"
Gauge 1 Data Unrecoverable threshold I 2
-30.0 —
Prior To This Date II
I
I
-40.0 kw /ilALIAr AA I
0
11/1/2020 12/21/2020 2/9/2021 3/31/2021 5/20/2021 7/9/2021 8/28/2021 10/17/2021
Transylvania County, NC Page 70 January 24,2022

FnOwen Farms Mitigation Site I DMs Project No.100064
MY1 Monitoring Report
Figure 8.2: W3 Groundwater Gauge Data
Wetland 3, Gauge 2 12 inches below surface Rain Gauge Data
30.0I 10
c INJ
0
' I I \ - 9
20.0 o I II
CoI2 - s
Iv
10.0 1 ' .o - 7
C
on . -a
ai
a, 1 1 i i i. ` r i - 6
a, 0.0 !
rr• I n•' '�r r
! cv
J 7 u
U
a, - 5 c
T
c c
s- -10.0 w
- 4
\ I
-20.0 u - 3
Gauges 2 75 days
r above -12" - 2
-30.0 — — threshold
I
I - 1
-40.0 I LI A i . l ► ►i , e A i
A A 40.0 0
11/1/2020 12/21/2020 2/9/2021 3/31/2021 5/20/2021 7/9/2021 8/28/2021 10/17/2021
Transylvania County, NC January 24,2022

FnOwen Farms Mitigation Site I DMs Project No.100064
MY1 Monitoring Report
Figure 8.3: W3 Groundwater Gauge Data
Wetland 3, Gauge 3 12 inches below surface Rain Gauge Data
30.0 10
N
0 1 IN
N
10
- 9
20.0 - c
I I °
v
° I Io - s
m
10.0 • n 1
on I 2
ai
CO 1 �
-a
LLI C — 6
a) s
J U
a, - 5 c
Fa
es a
1
-10.0 - 1441 1
es
a, Vqiii0o - 4
es
1
-20.0 - — — - 3
1
Gauge 3, 75 days I - 2
AL
above -12" I-30.0 — — thresholdI
-40.0 �— I . . , ► / AA
0
11/1/2020 12/21/2020 2/9/2021 3/31/2021 5/20/2021 7/9/2021 8/28/2021 10/17/2021
Transylvania County, NC January 24,2022

FnOwen Farms Mitigation Site I DMs Project No.100064
MY1 Monitoring Report
Figure 8.4: W5 Groundwater Gauge Data
Wetland 5, Gauge 4 12 inches below surface Rain Gauge
30.0 - �T I 10
N -,
o I I N
N O
N
`lc- I Gauge 4 I m - g
20.0 - °al 0 I 87 days above -12" I
threshold I 2 - 8
3
10.0 - n�`--I rio
— _ 7
To I
v
¢o C
I w - 6
0.0 IjkliNithitioilL
a - I - 5
Ta
to I a
1— -10.0 - ' I - 4 cc
as
41 \104144.4.400t,
g Iovi I
-20.0 - I - 3
I I
I II - 2
-30.0
I I - 1
J
-40.0 1) . l . 1 ii Ill , I 1 I III ii1 0
11/1/2020 12/21/2020 2/9/2021 3/31/2021 5/20/2021 7/9/2021 8/28/2021 10/17/2021
Transylvania County, NC January 24,2022

F) Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Figure 8.5: W5 Groundwater Gauge Data
Wetland 5, Gauge 5 12 inches below surface -Rain Gauge
30.0 ,- 10
N
N
O --, I
N
rN O
` N
Gauge 5 ro 9
20.0 -
r 6 days above -12" o
to threshold 2 8
cc
vl
0 on
10.0 - 0 7
v
m -6
_
w 6
> 0.0 I I a
J 0 c
a 5 a
to
L -10.0 _ ItiMijkAPI/1\kolitlisiviliolio ccc
4
tkic
m
aib
-20.040 3
NO
-30.0 alai—
1
IL
I
-40.0 0
11/1/2020 12/21/2020 2/9/2021 3/31/2021 5/20/2021 7/9/2021 8/28/2021 10/17/2021
Transylvania County, NC Page 74 January 24,2022

Owen Farms Mitigation Site I DMs Project No.100064
MY1 Monitoring Report
Table 14. Wetland Hydrology Summary
Performance Standard:25 Consecutive Days
WETS Station: Brevard,NC
Monitoring Gauge Growing Season: 04/07 to 10/31(207 days)
Max.Consecutive Hydroperiod(%)
MY1 2021 MY2 2022 MY3 2023 MY4 2024 MY5 2025 MY6 2026 MY7 2027
W3-1 36
W3-2 36
W3-3 36
W 5-4 42
W5-5 3
Transylvania County, NC Page 75 January 24,2022

Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Appendix F — Adaptive Maintenance and Repair Plan
Submittal to IRT
Transylvania County, NC Page 76 January 24,2022

LM G
LAND MANAGEMENT GROUP
a DAVEY* company
November 5, 2021
Ms. Kim Browning
United States Army Corps of Engineers
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
Subject: Owen Farms (SAW-2018-01165) Repair Plans
Ms. Browning,
The purpose of this letter is to inform you of recent damage observed at the Owen
Farms Mitigation Site (Site) and describe our plan for corrective action. The Site
experienced a 200-year storm event between August 15-17. On-site rain data
recorded 16.70 inches over a 72-hour period, with 6.07 inches falling within 3 hours
on August 16. Monthly precipitation totals recorded at the site are attached. This
storm event resulted in floodplain scour, eroded banks, and excess channel
deposition. LMG used a drone to capture aerial imagery of the Site on September
29, 2021. Figure 1 (attached) depicts areas of disturbance discussed above overlain
on aerial imagery from September 29, 2021. The attached photo log provides
representative photos of disturbed areas.
LMG has developed a repair plan for the Site. Standard construction equipment
will be used to repair degraded areas (i.e. excavator and off-road hauler). Scoured
areas in the floodplain will be filled with on-site material excavated from adjacent
terrace slopes. Excess cobble and gravel material deposited between stations 10+50
and 11+50, creating a transverse bar. This excess material will be removed and
placed along the channel toe of repaired stream banks. Eroded Stream banks will
be graded to approximate design dimensions and matted with coir fiber matting.
Approximately 50 linear feet of soil lifts will be installed between stations 18+60
and 19+10. Overall, approximately 100 linear feet of stream bank grading and 100
linear feet of substrate removal is anticipated as a result of repair activities.
Disturbed areas will be seeded with a permanent, native seed mix and replanted
with native species as approved in the Mitigation Plan. A temporary seed mix
consisting of rye (grass and/or grain) will also be applied to disturbed areas.
Repair work will be conducted under the existing Nationwide Permit 27 and
Erosion Control Permit for the Site. The Nationwide Permit 27 (and associated 401
Certification, DWR #18-1033) was issued on March 30, 2020 and expires March
18, 2022. The Erosion Control Permit was issued June 5, 2020 and expires June 5,
www.lmgroup.net•Phone:[phone] •Fax:[phone]
3101 Poplarwood Court—Suite 120,Raleigh,NC 27604

LM G
LAND MANAGEMENT GROUP
a DAIVEv4 company
2023. Repair work is anticipated to begin by December 10 and be completed by
December 31, 2021. Planting will be completed by March 31, 2022. LMG has
spoken with the North Carolina Wildlife Resources Commission (WRC, Andrea
Leslie) regarding the trout moratorium that is currently in effect at the Site. LMG
will submit a written request for a waiver of the trout moratorium for purposes of
completing repair work at the Site. A copy of this letter will be provided to WRC
and will be included in the Year 1 Monitoring Report.
Should you have any questions or concerns, please call me at 919.588.9663 or you
can reach me via email at [e-mail].
Thank you,
Ben Furr, PWS
Land Management Group
www.lmgroup.net•Phone:[phone] •Fax:[phone]
3101 Poplarwood Court—Suite 120,Raleigh,NC 27604

Figure 6 Owen Farm Monthly Precipitation 2021
(30th / 70th Percentiles)
-'Rain Gauge Monthly Totals —70th Percentile 30th Percentile
20
19
18
17
16
15
14
13
2. 11
12
_ 11 f -1
= 10 hC {
9
Or
8 � l
7
6
5 —�
4
3
2 —
1-Nov-20 1-Dec-20 1-Jan-21 1-Feb-21 1-Mar-21 1-Apr-21 1-May-21 1-Jun-21 1-Jul-21 1-Aug-21 1-Sep-21 1-Oct-21 1-Nov-21
Month

tikk.
..i_ ,:... ... ., 0„.0.r _,,,,..., ,
_ 'r: -
r ,
1 �3', •W _ . eke '! _, f _ {!•.AS�y A . ... . _ ,,i. -ft .
�. �: �. _ Legend
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a v;: � ��10, Bank R aii
r . '.,. .y., ' b, : 4 k Easement Boundary
°� ,s v Grade and Mat)
'•L. ove`stump and �' ti �y 1
•
,4-
IF - r 11 our hole ._• '`: _ t
s
41, ' .-
if
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z ;f Flood lain Scour _ 4 1 ....;'.. I''' -
... z •
Remove Transverse Bar p rf
�' and repair eroding bank. 1. .> - 1. _ ••, _
, Fill _ . J
rit Floodplain Sco ,, - - . x: • r , •
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. , , , „_
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, . ... ,„.
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•
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4 5 .; f _ Floodplain Scour 4 r „,. 1 k ,
1.
1 ''';4' •444.:, .. ' 1110P, 9k:
s . I , r.. ry. � '' aka ill y.`:1., A.,, , i�" f• a{�' ? �,�
—, -to,: ;tor._ ..a,.jor , :1, . _ ...P ., ,
ir, , 0 . '..L. _ -
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p� ,=, .„otuvc'e EsPi'Dig1 .!GI 0ID; G-o,E ; Enthsa o'a .ohic ,CH e: ° o;� o DA; n ,, ©o11©ao m�ltl� allF • -' -..millii1101111PAIIIIIi IlL ' -- .
REPAIR PLAN MAP
I I OWEN FARMS MITIGATION SITE
0 Feet 880 FIGURE 1
MAP DATE: 11-04-2021

Owen Farms Mitigation Site Photographic Documentation
Repair Areas
,..4-•! '- '.13szli.sot.,:, l':,k --.,:.-. , — ,
.-.., , ,,,2.4.,,,i.A , - 1.-, —
,.
-
h
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' tIFV.: 43•,.::4.* - '-, '',V-i." ,A.—* 7. .—,,,_&,'''.-.64 , .r.,"4,,$)t,:. ,--....:-;,-- --,.., ,,,..1,., ,N,....,,,k .....8
, . ,„.. .‘,. ,,,,,,„..tt, ,-..,i.,1 ,,.74,..,,.7,..,..:_„ .t ,,....1k.,. ,,..,.„ `''''*** k\, "4:,,,,.. PNiK'.h...,
4,,
k,.10..; ,,.4.:7:_,.,u,;, ,,:,4,41.,.,i,;,;#., ,: .),;,,,„ ,, ,,,,,‘ ,„ k ,,..,._,L:4 s,;Li;ii,-._, iL4':, Ili, 1,Ai,°.--.%i't.',..", i;•-'! -
Looking downstream at stump to be removed on left bank near Station 10+75.
s t ` k.'-+lea
,t Ii,c a
` a 'N ..r"t�..` -, r4 a''' -, -,
' ti: - ✓°- ��4,'1 ,' v,� ens "
' " , - -_ ' c sate„ ' s
- - r- -- +;i a ; A'e art •r ' leis
.-. it , x si ✓,
ems / /�i4;.
Looking downstream at eroded right bank near station 11+00.

Owen Farms Mitigation Site PhotographicRepairAreas Documentation
_ 1 � Yt� y s:
_ 7'.. .3 ("7,e N,,, 'P :'`A;
• J�. X 'J ' P t 1?r 'tV
: L ' u y ! y "e
�.
3-
=a -e'»e'�'- ta i Y`u•-� �1�
`ems"-.zT'� „�dy ` ,,3- 1s h
Looking upstream at excess material deposited in channel,creating transverse bar near Station 11+25.
•
. �. I •
r.
'' .
•
`'' , 4 hA ,
s
Looking upstream at scour in the right floodplain near Station 13+00.

Owen Farms Mitigation Site Photographic Documentation
Repair Areas
II
3. ' i• t ,, a X ' - -�K * ' °7 " � ' T
•' . -6 ; I14;5v- ' . i -i .' "1 ij ,
•'"1 r- '''. .(-*etiro - ,„*.:,,... .,.' „,,„,.:14.,,,, ,,t, ,,,,,...,„,.,,,-4- 4,:-,x,- . ,
tl
Looking downstream at scour hole in right floodplain near Station 15+50.
- =ems,.
•. ,
•
•
Looking downstream at scour in left floodplain near station 17+50.

Owen Farms Mitigation Site Photographic Documentation
Repair Areas
wH
-40
n
V.r 4
roe
•
a ^`' 4
�" 'g '- _' c _�- ti, t ' -- - -" % wd -":aEt' f✓s '°s n '„s :, d.,., st F�.' a Looking at eroded right bank near station 18+75.
- ,Wa y
3
x
r
k x
b. ter.* 2
,, '� '�s z� ? ,g. �� �' vim? ti��
� � a -'" , M4�Yw'y�'4"`M�b ' '°^`Y ^- � 1�-
24,
4ottei,,,,
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- , f 'yr ,'•''Lf+Y•`t C. , '�:' .. w�e'�' 4".... .. R�
Looking upstream at scour in the right floodplain near station 25+75.

Owen Farms Mitigation Site Photographic Documentation
Repair Areas
•
� r '
- -
b.,4 sY
Looking downstream at scour in the left floodplain near station 28+50

r -N STATE SHEET N0.
WEST FORK FRENCH
PAE N 6 RECORD DRAWING N OWEN FARMS1,,,'
1%� MITIGATION SITE LEGENC���` �30\, I
aa�S16 41111 _ 1/2" RBC (CROSS-SECTION
°m` 306 !,11 lszz • REBAR)
I°°6r° GAUGE AS NOTED)
� COId Moun,. +. 1'12 1369
13a1 •..
L-O C A T C N o T R A N S Y L-V A N A COUNTY N C R T CAROL NA --- ROCK STEP STRUCTURE WI
41 �� � 130Y 1306 1 1313
` . ‘,1309 LATo 555 80611 LONG: 8WU41 588U RIP RAP
OG SILL
I 06
fob\Mfunian • ➢ 99 ➢ 99
ROCK STEP STRUCTURE WI
Illi*Is ` BOULDERS AND HELLBENDER
Allk
ka
� HABITAT
rz •akland64llif. 4, TYPE OF WORK: RECORD DRAW NGS ROCK CROSS VANE
6a »��k 1 � V 13 W/ HELLBENDER HABITAT
- -
-154 � lloz BEGIN UT8
"'° STA 10+00.00 • HELLBENDER HABITAT
PP 11.1 ' , • ND -UT8- •
V C \ Y V WP STA 11+36.80 RFGIN -UT5- • UTILITY POLE
END -UT3- STA 10+00.00 GUY ANCHOR
INDEX OF SHEETS BEGIN WEST FORK STA 10+25.23 SOIL LIFT
FRENCH BROAD RIVER saL LIFT w BOULDER TOE
/ TITLE SHEET 1l ,1", SOIL LIFT w/ TOE WOOD
RECORD DRAWINGS 2 THRU 16 RESTORATION0
STA 10+00.00 � � - ce�- CONSERVATION EASEMENT
As BUILT CENTERLINE
�j 4 ---TS--- AS-BUILT TOP OF BANK
j 9� off. - DESIGN CENTERLINE
�tG* � BEGIN -UT7- DESIGN TOP OF BANK
' � Pr"
. STA 10+00.00 oW OVERHEAD WIRE
� !
°W�av�, I" ` le ,,,or„......., Y X FENCE
•� CE �� GRAVEL
-"'"11411111111111,4
0\ A. �,,,:; �� BEDROCK
X z �� .i p- ft a -- RIP RAP
X- � •'�. EXISTING WETLANDS
x�X�x� cE B E I N -UT3- c G
STA 10+00.00 r� �m } KISSING GATE
,.
,,\\
+ ' �4k /
CONSERVATION EASEMENT
N 1,,,)\;
, PN,..,--'- SEND -UT5- IP
wITNEss PosT
C STA 18+99.09 m"
Ico
� *�r_ b:� DWR # 18-1033
N
CV C,. Ly Z ' � °� _ , �i�,, n DMS ID # 100064
di ro AIR ���bbb DM S CONTRACT 7532
RECORD DRAWINGS � •' ,
This record drawing has been prepared in part, X =
`p based upon Information furnished by others. _x 1 u /. . (�+ a
�� while this Information s believed to be reliable, / �� .1 �USACE-SAW-2018-01165�
the Engineer cannot assure its accuracy, and n
n thus gnat responsible�far the accuracy of this 3C ��.y /✓� _ _ A� �b �0111111/U �_
yl thus
is n wing or for anor the
Farm ans x ,� _ C U
E which y have been incorporated I tto It as a ��. �I _ _ * V` CARD t,
m ult. Those eking on this record Into
a rBROAD
c BEGIN -UT4A- END -UT7-
aeybeforeapplyingfaranypurpose. 6 STA 14+17.41la
o STA 10+00.00 END WEST FORK FRENCH E •
•• SEAL 'sB RIVER
STA 11+36.08 ENHANCEMENT II ri*END WEST FORK FRENCH �:KEE MAPPING & STA 36+91.02 �, ;BROAD RIVER RESTORATION '.a END -UT4A- & BEGIN ENHANCEMENT II ,, 0tSURVEYING BEGIN -UT4- �iY•'••••••••�• W P
P.O. BOX 2566 STA 10+71.56 BEGIN -UT6- STA 29+86.17 °4i0 DIG���N
STA 10+00.00 chzfi.•x1 dices,
�i ASHEVILLE, NC 28802 STA 9+59.71
N DRG Services, P.C.
(828) 575-9021 3101 N.C.Poplarwood 4
o t.
Raleigh N.C. 27604
License No. C-4174
L� DESIGN DATA DESIGN GRAPHIC SCALES PROJECT LENGTH EXISTING
Prepared in the Office of:
WEST FORK FRENCH UT 5 UT 7 UT 8 STREAM LENGTH
i BROAD RIVER LENGTH
50 25 0 50 00 WEST FORK FRENCH
0. BROAD RIVER = 859.55 ET 69102 ET LMG
co 1 1 1 DESIGN STREAM TYPE =C4 DESIGN STREAM TYPE =C4 DESIGN STREAM TYPE = C4 DESIGN STREAM TYPE = C4
PLANS BANKFULL AREA (FTg) =64.29 mrs,KsEA0L_ o REA BB) =5.35 B o,rstpTycl„Eo REA B-r2) = 6,0 BpADNKsEcriL AREA (FTg) = 11,08 -UT4- = 1,133.30 FT 136.08 FT
N CROSS-SECTIONED
( ) BANKFULL WIDTH FT =8.5 BANKFULL WIDTH FT = 9.0 BANKFULL WIDTH FT = 12.0 LAND MANAGEMENT GROUP
10 5 0 10 20 BANKFULL WIDTH FT =30,0 ( ) ( ) ( ) -UT4A- = 471.56 FT 71.56 FT yy��
Cotri
3 MAXiii AX DEPTH (FT) =0.76 MAX DEPTH (FT) = 0.80 MAX DEPTH (FT) = 1.11
O ■ 1 i 1 1 WIDTH / DEPTH RATIO
DEPTH (FT) =268 a DAVEYI.O =14,0 WIDTH / DEPTH RATIO =13.5 WIDTH / DEPTH RATIO = 13.5 WIDTH / DEPTH RATIO = 13.0 -UT5- - 65200 FT 899.09 FT pSri,
DRAINAGE AREA (MI 2) =5.50 DRAINAGE AREA (MI ) =0,07 DRAINAGE AREA (MI ) = 0,06 DRAINAGE AREA (MI ) = 0,31 for
PROFILE (HORIZONTAL) BANKFULL SLOPE(FT/FT)=0.00353 BANKFULL SLOPE(FT/FTC 0.00569 BANKFULL SLOPE(FT/FT)= 0,00539 BANKFULL SLOPE(FT/FT)= 0,01096 -UT7- = 811.00 FT 417.41 FT
.o
d 20 10 0 20 40 -UT8- = 49,00 FT 136.80 FT ��� N.GB Hoe Engineering,Inc. or the Carolinas
U it ill I CHRISTOPHER L. SMITH Fayettevillen.�Ite96B Raleigh.NG 7661
0
.E,LS, License Number: F-0„6
Ki J PROFILE (VERTICAL) PROJECT DESIGNER / ENGINEER

Repair Plans 10/25/2021
PLACE ANY EXCESS
CUT MATERIAL IN - _
EXISTING STOCKPILE - • �i
AREA. ►
►
► \ ``tea
REMOVE FENCE FOR •► 3
SITE ACCESS. ► w I
REPLACE FENCE ONCE ► ci. ° 5�z
COMPLETE. ► o 8 N
BEGIN UT8` ► o F" 1'c
I o
STA:10+00.00 ► ► F W ��J
a�m
I I
. ... __ ► 0 0.1 ti LL w1ui
,U
\ OxoO I 1• I I
0 a\ \ G
\�11 � n
.• x o
CROSS-SECTION#13Itaic........._
0
/ FILL BANK SCOUR WITH IN I x
W CHANNEL MATERIAL.
U o p I O (CROSS-SECTION#2 c)
oU G{�,.
i x _ `�! w
CROSS-SECTION#14 ): i �0� l ‘' \ x CC 0
o � 1 50 _- w z
•• al i\\\- \ � ;:�\ ;; �:: \: 3 FILL FLOODPLAIN SCOUR
� z
FILL SCOUR HGL U� \� \ l WITH OVERBANK o
r v -,, �'�. x �+ 7r MATERIAL. o< a -+
M ft,\s TB-- \P%'::: ya o-,: Q0 c�
M \. /� \ X 1— z z O
KJ (REMOVE STUMP. JI ./ �I / //> ___n,--- • ' _r :.i11
NI
//c.iO0 ?/ Q6f W Qtea.
Ci
CV p k / / —mow- O Z W
_I O ,/ x� w z
+ / 0W
/ . S FO o 'is oW' Qcc
�p;1:r,. \,' /// INTERSECTION RO RK F{�ENCH \ • ` p\ / w z o
--- . '\\<::r-= . .I 5 AD RIVE
3 / END UT8 I F�ow R ♦ \ CC 1-
CC 1-
o �l STA:11+36.80 . OW x� U' ,
I,• WEST FORK FRENCH `' . ' �' ' o� Ilk
\o o
BROAD RIVER o ♦ \
u�
m - STA:11+46.97 0
m _OW ` ♦ W
a BEGIN WEST FORK LV w Q
FRENCH BROAD RIVER 0 OW/°W •`� �\ ♦ ` N
�I STA:10+00.00 •W' \\ ` ` ` V Q
FILL TOE SCOUR WITH b� Q o
IN CHANNEL MATERIAL w� REPAIR AND FILL \ r
EXCAVATE SCOUR POOL , i 0 \ rx
Lrs OF SEDIMENT. _°' FILL FLOODPLAIN SCOUR AROUND \ ET 3 (.5
�I °w'°W/°w BENCH SCOUR POWER POLE. ENE STA 16+50in SEE SHE N
L
E 0w' OVERHEAD UTILITY LINES MATCH DATE:
1 }r4fr-- 0`lI_ AND EASEMENT 03-11-2021
3 ° REPAIR
0 'Ow' PLANS
k SHEET
2
Lt
0
N 100064

Repair Plans 10/25/2021
•
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Owen Farms Mitigation Site I DMS Project No.100064
MY1 Monitoring Report
Appendix G: Response to IRT Comments
Transylvania County, NC Page 90 December 01,2021

4LMG
LAND MANAGEMENT GROUP
a DAVEY4 company
July 2, 2021
United States Army Corps of Engineers
151 Patton Ave#208
Asheville, NC 28801
Re: MYO As-Built Baseline Comments
Owen Farms Stream and Wetland Mitigation Site
French Broad River Basin; CU# 06010105-Transylvania County
DMS Project ID No. 100064
Contract No. 7532
SAW-2018-01165
To Whom It May Concern,
As per your email dated June 29, 2021,we have reviewed and addressed the NCIRT's review comments
as follows:
Erin Davis, DWR
1. DWR is ok with the planted vegetation species/quantity substitutions. Were there any species
changes in the previously approved site seed mixes?
RE: There were no changes to the previously approved site seed mixes.
2. DWR appreciates the inclusion of aerial photos. These images are helpful for agency review.
RE: Understood.
3. During the IRT construction site walk following significant a storm event in November 2020, we
observed areas of floodplain scour and major movement of stone from original bed/bank
placement. Was there any adjustment of floodplain width and/or slope from the original design?
And was there any adjustment is rock size for riffles and/or bank toe structures?
RE:Following the significant storm event in November 2020, the floodplain was widened on the
right side of WFFB between STA 10+00 and STA 14+00, and along the left overbank area
between STA 16+50 and STA 19+00. The floodplain was widened to relieve shear stress along
the bench and the cut material was utilized to repair the eroded channel banks and floodplain
scour. Revised redline plansheets have been attached as part the response to comments
indicating the locations of where the floodplain bench was extended.
There were no adjustments to slope, riffle particle size, or bank toe structures from the original
design except for what was called out in the report and the redline plansheets.
Casey Haywood, USACE
1. No issues with the changes to the species type and composition for the planted vegetation.
Appreciate the effort in identifying the planting zones.
RE: Understood.
1
www.lmgroup.net•Phone: [phone] •Fax: [phone]
3101 Poplarwood Court-Suite 120,Raleigh,NC 27604

4LMG
LAND MANAGEMENT GROUP
a DAVEY4 company
2. The report mentions Bog complex communities being planted with high percentages of shrub
species; I understand that these are not expected to reach the height requirement/vigor
standard, but I was wondering how success and/or survival is being monitored in these areas?
RE:LMG will continue to monitor these areas for planted stem density as an indicator of overall
survival and health. As noted in the approved Mitigation Plan, Bog complex communities are
not expected to reach the height requirement of other "tree dominated" communities open
patches dominated by herbaceous species within the bog complex is typical for the community
type.
3. I did not see UT1, UT2, or UT3 in the Table 6 Project Attribute table. Why were these left out of
the table?
RE:An updated Table 6 Project Attribute Table has been attached with this submittal.
4. Given the amount of damage seen during the November site visit due to major storms, I also
think it would be beneficial to schedule a site visit for next year.
RE: Understood.
If you have any questions or need additional information, please do not hesitate to give me a call
(843.830.1536).
Sincerely,
Land Management Group
/ .,16-\(;) 1c4h r .0
Alex DiGeronimo
2
www.lmgroup.net•Phone: [phone]•Fax: [phone]
3101 Poplarwood Court-Suite 120,Raleigh,NC 27604