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ID#* 20171156 Version* 1
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Erin Davis
Initial Review Completed Date 12/10/2020
Mitigation Project Submittal - 12/10/2020
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I•J Stream r Wetlands r Buffer ❑ Nutrient Offset
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Matthew Reid matthew.reid@ncdenr.gov
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ID#:* 20171156 Version:*1
Existing IDI# &fisting Version
Project Type: F DMS r Mitigation Bank
Project Name: Home Creek Tribs
County: Surry
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Mitigation Monitoring Report
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Monitoring Report
FINAL VERSION
Horne Creek Tributaries Mitigation Project
Monitoring Year 1
Calendar Year of Data Collection: 2020
NCDEQ DMS Project Identification # 100026
NCDEQ DMS Contract#7181
Yadkin River Basin (Cataloging Unit 03040101)
USACE Action ID Number: SAW-2017-01510
NCDEQ DWR Project # 2017-1156
Surry County, NC
Contracted Under RFP # 16-006993
Data Collection Period: November 2020
Submission Date: December 2020
Prepared for:
piC
Envirpnmental
Quality
North Carolina Department of Environmental Quality
Division of Mitigation Services
1652 Mail Service Center
Raleigh, NC 27699-1652
Prepared by:
4 WATER & LAND SOLUTIONS
7721 SIX FORKS ROAD, SUllt 130, RAtbIGH, NC 2761S
(919)614-5111 1 wolerlandsolutions.com
4 WATER & LAND SOLUTIONS
7721 SIX FORKS ROAD, SUITE 130, RALEIGH, NC 27615
(919)614-5111 I waferlandsolutions.com
December 7, 2020
NC Department of Environmental Quality
Division of Mitigation Services
Attn: Matthew Reid,Project Manager
5 Ravenscroft Drive,Suite 102
Asheville,NC 28801
RE: WLS Responses to NCDEQ DMS Review Comments for Task 7 Submittal,Monitoring Year 1
Report for the Horne Creek Tributaries Mitigation Project,DMS Full-Delivery Project ID
#100026,Contract#7181,Yadkin River Basin,Cataloging Unit 03040101,Surry County,NC
Dear Mr. Reid:
Water&Land Solutions,LLC (WLS)is pleased to present the Final Monitoring Year 1 Report for the Horne
Creek Tributaries Mitigation Project to the North Carolina Department of Environmental Quality(NCDEQ)
Division of Mitigation Services (DMS). Per the DMS review comments,WLS has updated the Monitoring
Year 1 Report and associated deliverables accordingly. The electronic deliverables are organized under
the following folder structure as required under the digital submission requirements:
1. Report PDF
2. Support Files
1_Background Tables
2_Visual
3_Veg Data
4_Geomorphology
5_Hydro
6_0ther Data
We are providing our written responses to DMS'review comments on the Draft Monitoring Year 1 Report
below. Each of the DMS review comments is copied below in bold text, followed by the appropriate
response from WLS in regular text:
• Please continue monitoring the seven stream problem areas that were identified during MY1 and
document any remedial actions taken in the MY2 report.WLS Response:The seven stream problem
areas will continue to be monitored and remedial actions will be noted in the MY2 Report.
• 3.1.2 Stream Horizontal Dimension: The report indicates that four cross-sections (XS-2, XS-4, XS-5,
and XS-15)are experiencing minor aggradation.With the exception of XS-15,the cross-section graphs
do not support this claim.XS-2,4 and 5 graphs indicate areas of degradation.Please review and revise
as necessary. WLS Response: WLS has revised 3.1.2 to indicate XS-2, XS-4, and XS-5 are experiencing
minor degradation and XS-15 is experiencing minor aggradation. WLS staff noted that XS-2,XS-4,XS-5,
and XS-15 are functioning and stable. WLS will continue to monitor all cross sections closely in MY2.
4 WATER & LAND SOLUTIONS
7721 SIX FORKS ROAD, SUITE 130, RALEIGH, NC 27615
(919)614-5111 I waterlandsolutlons.com
• Pool cross-section graphs (XS-6, XS-7 and XS-11) indicate aggradation. Is the amount of
aggradation within the tolerances WLS would expect to see at this point in the project history?
Please continue to monitor and observe changes in MY2. WLS Response: The amount of
aggradation observed is within tolerances expected, given the high rainfall totals measured during
MY1. Visual surveys indicate the areas affected are functioning and stable. WLS will continue to
monitor and note any changes in the MY2 report.
• 3.22 Bankfull Events: CG-2 recorded two events during MY1. The two events were recorded prior to
the gauge being damaged and moved.The new reinstalled location has a new bankfull depth as shown
on Figure 4. The new location did not record a bankfull event despite several 2.5-3" rain events. Is
WLS confident that the location and calibration of CG- 2 is capturing bankfull events in the new
location? WLS Response: WLS is confident in the location of CG-2. WLS re-surveyed CG-2 on December
7th 2020 and adjusted the re-installed bankfull height to 1.69'. Since the submittal of the draft
monitoring report, CG-2 has recorded a bankfull event. Figure 4 in Appendix E has been updated with
the corrected bankfull depth of 1.69'.
• Conservation easement encroachment was observed during the July 2020 MVO site visit. During the
September 2020 IRT site visit, it was noted that WLS installed horse tape around easement markers
to alert the land owner the location of the conservation easement line.There was discussion of using
bollards or split rail fence to demarcate this line better. WLS also indicated additional trees/shrubs
would be installed this fall. Please update the report to summarize the encroachment and solution.
WLS Response: WLS revised section 3.3 to summarize the encroachment and solutions.As of December
2020, encroachment activities have improved. To further demarcate the line, a supplemental row of
trees will be planted immediately inside of the easement during early MY2. There are no plans for
additional fencing or bollards at this time, and the landowner prefers to not use split rail fence or
bollards.This area will be monitored closely, and any actions will be detailed in the MY2 report.
• CCPV: The conservation easement is not showing correctly on the R4 section on Sheet lb. Please
update.WLS Response:The conservation easement boundary is now showing correctly on Sheet lb.
Electronic Deliverable:
• During the as-built review, DMS requested that R4A and R4B be segmented to include both R and Ell
segments, and that these segments be included in the CCPV. It does not appear that the digital files
that were submitted resolved this comment, and the CCPV has R4A and R4B symbolized as Ell only.
Please re-submit features that accurately characterize these segments, and make sure they are
appropriately displayed on the CCPV. WLS Response: The CCPV has been updated to show both R and
Ell segments on R4A and R4B. These files are also in the updated digital file submission.
• Please provide the feature for FG-2.WLS Response:The feature for FG-2 has been added.This flow gauge
was added to the site on September 18th, 2020.
• Please include photos from photo stations as JPEGs. WLS Response: All photos have been included as
JPEGs.
4 WATER & LAND SOLUTIONS
7721 SIX FORKS ROAD, SUITE 130, RALEIGH, NC 27615
(919)614-5111 I waterlandsolutions.com
Please contact me if you have any questions or comments.
Sincerely,
Water&Land Solutions,LLC
614,-- A e,"'?-----
Cara Conder
Water&Land Solutions, LLC
7721 Six Forks Road,Suite 130
Raleigh,NC 27615
Office Phone: (919) 614-5111
Mobile Phone: (843) 446-2312
Email: cara@waterlandsolutions.com
Table of Contents
1 Project Summary 1
1.1 Project Location and Description 1
1.2 Project Goals and Objectives 1
1.3 Project Success Criteria 2
1.3.1 Streams 2
1.3.2 Vegetation 3
1.3.3 Visual Assessment 3
2 Project Mitigation Components 4
2.1 Project Components 4
2.2 Design Approach 4
2.2.1 Stream 4
3 Monitoring Year 1 Assessment and Results 6
3.1 Morphological Assessment 6
3.1.1 Stream Horizontal Pattern & Longitudinal Profile 6
3.1.2 Stream Horizontal Dimension 7
3.1.3 Substrate 7
3.2 Stream Hydrology 7
3.2.1 Stream Flow 7
3.2.2 Bankfull Events 7
3.3 Vegetation 8
4 Methods 9
5 References 10
LIST OF APPENDICES
Appendix A Background Tables
Table 1 Project Mitigation Components
Table 2 Project Activity and Reporting History
Table 3 Project Contacts
Table 4 Project Information and Attributes
Regulatory Correspondence (IRT Site Visit)
Appendix B Visual Assessment Data
Figure 1 Current Condition Plan View(CCPV)
Table 5 Visual Stream Morphology Stability Assessment
Table 5a Vegetation Condition Assessment
Photos Stream Photo Points (Cross-Sections, Culvert Crossings, Ell Reaches)
Vegetation Plot Photographs
Potential Problem Areas
Appendix C Vegetation Plot Data
Table 6 Planted and Total Stem Counts
Table 6a Vegetation Plot Mitigation Success Summary
Appendix D Stream Measurement and Geomorphology Data
Figure 2 MY1 Cross-Sections
Table 7a Baseline Stream Data Summary
Table 7b Cross-section Morphology Data
Table 7c Stream Reach Morphology Data
Appendix E Hydrologic Data
Table 8 Verification of Bankfull Events
Figure 4 Surface Flow Data and Flow Gauge Installation Diagram
Figure 5 Rainfall Data
1 Project Summary
1.1 Project Location and Description
The Horne Creek Tributaries Mitigation Project ("Project") is a North Carolina Department of
Environmental Quality (NCDEQ), Division of Mitigation Services (DMS) full-delivery mitigation project
contracted with Water & Land Solutions, LLC (WLS) in response to RFP 16-006993. The Project
construction and planting was completed in April 2020. The Project was built as documented in the
approved mitigation plan and record drawings. The Project provides warm stream mitigation credits in
the Yadkin River Basin (Cataloging Unit 03040101). The Project is located in Surry County
approximately seven miles southwest of the Town of Pilot Mountain at 36.2851950° and -
80.5032100°.
The Project restored, enhanced, and permanently protected seven stream reaches (R1, R2, R3, R4, R4a,
R4b, and R5) and their riparian buffers, totaling approximately 5,428 linear feet of stream channel. The
Project provides significant ecological improvements and functional uplift through stream and aquatic
habitat restoration and through decreasing nutrient and sediment loads within the watershed. The
mitigation plan provides a detailed project summary and Table 1 provides a summary of project assets.
For more information on the chronology of the project history and activity, refer to Appendix A, Table 2.
Relevant project contact information is presented in the appendices in Table 3 and project background
information is presented in Table 4.
1.2 Project Goals and Objectives
The Project is on track to meet the goals and objectives described in the Horne Creek Tributaries Final
Approved Mitigation Plan and will address general restoration goals and opportunities outlined in the
North Carolina Division of Mitigation Services (DMS) Upper Yadkin River Basin Restoration Priority Plan
(RBRP)(DEQ 2009). More specifically,watershed goals and management strategies described in the Upper
Yadkin Local Watershed Plan (LWP)will be met by:
• Reducing sediment, soil erosion, turbidity, and nutrient inputs such as fecal coliform bacteria,
nitrogen, and phosphorus to the Horne Creek Watershed.
• Restoring, enhancing, and protecting headwater streams,wetlands, riparian buffers, and aquatic
habitat functions.
• Improving riparian corridor management and targeting restoration of impacted streams and
riparian buffer areas.
• Promoting agronomic farm management techniques and implementing agricultural BMPs and
water quality features such as livestock exclusion fencing, alternative watering systems, and
nutrient management devices.
To accomplish these project-specific goals,the following objectives will be measured to document overall
project success:
• Provide a floodplain connection to the incised Project stream reaches by lowering bank height
ratios (BHRs)to less than 1.2, thereby promoting more natural or overbank flood flows,
• Improve bedform diversity by increasing scour pool spacing and depth variability,
4 Horne Creek Tributaries MY1
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• Increase native species riparian buffer and vegetation density/composition along streambank and
floodplain areas that meet requirements of a minimum 30-foot-wide and 210 stems/acre after
the monitoring period,
• Improve aquatic habitat and fish species diversity and migration through the addition of in-stream
cover and native woody debris,
• Site protection through an 11.87-acre conservation easement in excess of 30 feet from the top of
the restored streambanks, that will protect all streams, wetlands and aquatic resources in
perpetuity.
1.3 Project Success Criteria
The success criteria for the Project follows the approved performance standards and monitoring protocols
from the final approved mitigation plan; which was developed in compliance with the USACE October
2016 Guidance, USACE Stream Mitigation Guidelines (April 2003 and October 2005), and 2008
Compensatory Mitigation Final Rule. Cross-section and vegetation plot data will be collected in Years 0, 1,
2, 3, 5, and 7. Stream hydrology data and visual monitoring will be reported annually. Specific success
criteria components and evaluation methods are described below.
1.3.1 Streams
Stream Hydrology: Four separate bankfull or over bank events must be documented within the seven-year
monitoring period and the stream hydrology monitoring will continue until four bankfull events have been
documented in separate years. Stream hydrology monitoring will be accomplished with pressure
transducers installed in pools and correlating sensor depth to top of bank elevation. Recorded water depth
above the top of bank elevation will document a bankfull event.
Stream Profiles, Vertical Stability,and Floodplain Access: Stream profiles,as a measure of vertical stability
and floodplain access will be evaluated by looking at Bank Height Ratios (BHR). In addition, observed
bedforms should be consistent with those observed for channels of the design stream type(s). The BHR
shall not exceed 1.2 along the restored Project stream reaches. This standard only applies to restored
reaches of the channel where BHRs were corrected through design and construction. Vertical stability will
be evaluated with visual assessment, cross-sections and, if directed by the IRT, longitudinal profile.
Stream Horizontal Stability:Cross-sections will be used to evaluate horizontal stream stability on restored
streams. There should be little change expected in as-built restoration cross-sections. If measurable
changes do occur, they should be evaluated to determine if the changes represent a movement toward a
more unstable condition (e.g., downcutting, erosion) or a movement towards increased stability (e.g.,
settling, vegetation establishment, deposition along the streambanks, decrease in width/depth ratio).
Cross-sections shall be classified using the Rosgen Stream Classification method and all monitored cross-
sections should fall within the quantitative parameters defined for channels of the design stream type.
Streambed Material Condition and Stability:Representative streambed material samples will be collected
in monitoring years 5 and 7 at locations where riffles are installed in restoration reaches. The post-
construction riffle substrate samples will be compared to the existing riffle substrate data collected during
the design phase. Any significant changes (e.g., aggradation, degradation, embeddedness) will be noted
after streambank vegetation becomes established and a minimum of two bankfull flows or greater have
4 Horne Creek Tributaries MY1
2
been documented. If significant changes are observed within stable riffles and pools, additional sediment
transport analyses may be required.
Jurisdictional Stream Flow: Monitoring of stream flow will be conducted to demonstrate that the restored
stream systems classified as intermittent exhibit surface flow for a minimum of 30 consecutive days
throughout some portion of the year during a year with normal or below normal rainfall conditions.Stream
flow monitoring will be accomplished with pressure transducers installed in pools and correlating sensor
depth to the downstream top of riffle elevation (diagram in Appendix E). If the pool water depth is at or
above the top of riffle elevation, then the channel will be assumed to have surface flow.
1.3.2 Vegetation
Vegetation monitoring will occur in the fall each required monitoring year, typically prior to leaf drop.
Plots will be monitored in years 1, 2,3,5,and 7.Vegetative success for the Project during the intermediate
monitoring years will be based the survival of at least 320, three-year-old planted trees per acre at the
end of Year 3 of the monitoring period; and at least 260, five-year-old, planted trees per acre that must
average six feet in height at the end of Year 5 of the monitoring period. The final vegetative restoration
success criteria will be achieving a density of no less than 210, seven-year-old planted stems per acre that
must average eight feet in height in Year 7 of monitoring.
1.3.3 Visual Assessment
WLS will conduct visual assessments in support of mitigation performance monitoring. Visual assessments
of all stream reaches will be conducted twice per monitoring year with at least five months in between
each site visit for each of the seven years of monitoring. Photographs will be used to visually document
system performance and any areas of concern related to streambank and bed stability, condition of in-
stream structures,channel migration, active headcuts, live stake mortality, invasive plant species or animal
browsing, easement boundary encroachments, cattle exclusion fence damage, and general streambed
conditions. Permanent photo points will be located at cross-sections, culvert crossings, and Enhancement
II reaches.
4 Horne Creek Tributaries MY1
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2 Project Mitigation Components
2.1 Project Components
The Project mitigation components include a combination of Stream Restoration and Enhancement
activities, as summarized in the table below.
Table 1. Mitigation Plan Stream Mitigation Credits(SMCs)
Existing Restored Creditable
Proposed Approach
Project Footage Footage, Footage, Restoration Mitigation Mitigation
Reach Priority
Component or Stationing Acreage, Acreage Level Level Ratio(X:1) Credits
Acreage or SF or SF
10+00—
R1 1,397 23+40 1,320 1,320 R P1/PII 1 1,320
10+17—
R2 286 13+13 296 296 R PII 1 296
11+80—
R3 75 12+55 76 76 R PII 1 76
13+13—
R4 1,191 25+19 1,167 1,167 R P1/P11 1 1,167
10+98—
R4a 124 11+54 57 57 Ell - 2.5 23
11+55—
R4a - 12+65 111 111 R PI 1 111
10+72—
R4b 89 10+99 27 27 Ell - 2.5 11
10+99—
R4b - 12+24 125 125 R PI 1 125
25+19—
R5 2,519 48+12 2,249 2,249 R PI 1 2,249
Totals 5,681 5,428 5,428 5,378
Credit Loss in Required Buffer -300
Credit Gain for Additional Buffer 325
Net Change in Credit from Buffers +25
Total Credits per Buffer Calculator 5,403
Total Adjusted SMCs 5,389
2.2 Design Approach
2.2.1 Stream
The Project stream design approach included a combination of Stream Restoration and Enhancement
activities. Priority Level I Restoration reaches incorporated the design of a single-thread meandering
channel, with parameters based on data taken from reference site comparison, published empirical
relationships, NC Piedmont Regional Curves, and hydrologic and hydraulic analyses. The restoration of
planform and dimension, frequent overbank flows and a restored riparian buffer will provide the
appropriate hydrology and sediment transport throughout the project catchments. All non-vegetated
areas within the easement were planted with native vegetation and any areas of invasive species were
removed and/or treated.
4 Horne Creek Tributaries MY1
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• Reach R1—R1 begins at the upstream western boundary of the Project immediately downstream
of an existing stream crossing.The majority of the reach was restored as a Rosgen B4 stream type
within its current location and tied into the downstream channel. Work along R1 involved
relocating the channel towards the center of the valley and implementing a Priority Level I/II
Restoration by raising the bed elevation and reconnecting the stream with its abandoned
floodplain. Fencing was installed outside of the easement boundary to permanently exclude
livestock and reduce sediment and nutrient inputs. A permanent 20-foot wide culverted crossing
was installed to allow for landowner access between pastures. Additionally, one water quality
treatment feature was installed inside of the conservation easement to reduce sediment and
nutrient inputs that would otherwise enter the riparian buffer as untreated water.
• Reach R2 — R2 begins downstream of a roadway culvert under Caudle Road. Work along R2
involved Priority Level II restoration by slightly raising the bed elevation and reconnecting the
stream with a constructed floodplain. The reach was restored as a Rosgen B4 stream type using
appropriate step-pool morphology with minimal meander planform geometry that
accommodated the valley slope and width. One water quality treatment feature was constructed
inside of the conservation easement at the beginning of R2 to capture, attenuate, and treat
overland flow that would otherwise enter the riparian buffer as untreated water.
• Reach R3 — R3 begins at the confluence of R2 and R4. Work along R3 involved Priority Level II
restoration by slightly raising the bed elevation and reconnecting the stream with a constructed
floodplain. The reach was restored as a Rosgen B4a stream type using appropriate step-pool
morphology with minimal meander planform geometry to accommodate the valley slope and
width. Two water quality treatment features were constructed in series along R3 to capture,
attenuate, and treat overland flow.
• Reach R4— R4 begins at the confluence of R2 and R3. Work along R4 involved a combination of
Priority Level I and II Restoration by gradually raising the bed elevation and reconnecting the
stream with its adjacent floodplain or a constructed floodplain. A majority of the channel was
restored in its current location while the lower 200 feet was relocated to its historic position to
meander across the left floodplain before connecting with R5. Two permanent 20-foot wide
culverted crossings were installed to allow for landowner access between pastures.
• Reach R4a— R4a is a small perennial headwater tributary that begins at a spring head within the
upper catchment. R4a consisted of Enhancement Level II practices in the upper 57 linear feet by
removing cattle and planting native vegetation to maintain and improve the stability of the
channel. The lower 111 feet was restored as a Rosgen B4 stream type using appropriate riffle-
pool and step-pool morphology with minimal meander planform geometry. This approach
allowed restoration of a stable channel form with appropriate bedform diversity and allowed the
channel to be tied into Reach R4.
• Reach R4b— R4b is a small perennial headwater tributary that begins at a spring head within the
upper catchment. A majority of this reach was stable except for the downstream end where an
active head-cut had propagated upstream from R5.Work along R4b involved Enhancement Level
4 Horne Creek Tributaries MY1
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II practices in upper 27 linear feet to maintain and improve the stability of the channel.The lower
125 linear feet was restored as a Rosgen B4 stream type using appropriate riffle-pool and step-
pool morphology with minimal meander planform geometry. This approach allowed restoration
of a stable channel form with appropriate bedform diversity and allowed the channel to be tied
into Reach R4.
• Reach R5 — R5 begins at the confluence of R4 and R4b. Work along R5 involved Priority Level I
Restoration by raising the bed elevation and reconnecting the stream with its historic floodplain.
A majority of the channel was constructed offline and the existing degraded channel was partially
to completely filled.A permanent 20-foot culverted crossing was installed to allow for landowner
access between pastures.
3 Monitoring Year 1 Assessment and Results
The dates of Year 1 monitoring activities are detailed in Appendix A,Table 2. All Year 1 monitoring data is
presented in this report and in the appendices.The Project is on track for meeting stream and vegetation
interim success criteria. All monitoring device locations are depicted on the CCPV(Figure 1).
3.1 Morphological Assessment
3.1.1 Stream Horizontal Pattern & Longitudinal Profile
Visual assessment and cross-section surveys were utilized for assessment of MY1 horizontal and vertical
stream stability. The visual assessments for each stream reach concluded that the MY1 stream channel
pattern and longitudinal profiles, and in-stream structure location/function, still closely match the profile
design parameters and MYO/baseline conditions (Appendix D). The MY1 planform geometry and
dimensions fall within acceptable ranges of the design parameters for all restored reaches. Minor channel
adjustments in riffle slopes, pool depths and pattern were observed based on natural sediment migration
and stream bank vegetation establishment but did not present a stability concern or indicate a need for
remedial action.
During the fall visual assessment for MY1, WLS staff noted seven potential problem areas outside the
channel. These areas are called out on the CCPV (Figure la-1c) and photos can be found in Appendix B
and the E-Data Submission included with this report.
• SPA1-On R1,adjacent to the right bank at approximate station 10+25: minor slumping is occurring
where drainage from the adjacent pasture enters the stream buffer. WLS will monitor this area
closely during MY2.
• SPA2- On R1, below the culvert crossing at approximate station 17+00: minor floodplain erosion
in the stream buffer is occurring adjacent to an area of coir matting. WLS will monitor this area
closely in MY2.
• SPA3- On R1, along the left floodplain at approximate station 20+25 — 21+60: a minor avulsion
has formed causing floodplain erosion and concentrated flow during out-of-bank events and from
toe slope seepage. WLS will install live-stakes and coir logs (wattles) and reseed this area during
early MY2. This remedial action will stabilize the area, prevent future erosion, and redirect flow
back into the stream channel. WLS will note all remedial action taken in the MY2 report.
4 Horne Creek Tributaries MY1
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• SPA4- On R4, minor erosion was observed on both the right and left bank side slopes at
approximate station 15+75, above the culvert crossing.This area will be closely monitored during
MY2.
• SPAS-On R5, in the left floodplain area: minor erosion is occurring adjacent to station 32+60.WLS
will monitor this area during MY2.
• SPA6- On R5, adjacent to vegetation plot 10 near station 43+50: a small secondary channel has
formed in the right floodplain between the floodplain depressions.This area and drainage pattern
will be closely monitored during MY2.
• SPA7-On R5, at the meander bend located at station 47+00:the left bank is at risk of eroding.The
bank is currently functioning, but WLS will install additional live stakes in the meander to ensure
stability in MY2.Any remedial action taken during MY2 will be photographed and documented in
the MY2 report.
Minor piping was noted on R4 during MYO at the in-stream structure (grade control log j-hook vane) near
approximate station 19+55.The minor piping resolved naturally during MY1 and is no longer an issue.
3.1.2 Stream Horizontal Dimension
The MY1 channel dimensions generally match the design parameters and are within acceptable and stable
ranges of tolerance. Data for the 16 cross-sections (eight riffle and eight pool) can be found in Appendix
D. It is expected over time that some pools may accumulate fine sediment and organic matter, however,
this is not an indicator of channel instability. Maximum riffle depths are also expected to fluctuate
throughout the monitoring period as the channels adjust to the new flow regime and catchment
conditions. Of the eight riffle cross-sections, six experienced minor changes in bank height ratio (BHR)
from MYO to MY1. One cross-section, XS-15, experienced minor aggradation due to sediment migration
occurring during MY1. Five cross-sections (XS-2, XS-4, XS-5, XS-10, and XS-12) experienced minor
degradation due to bed material entrainment from the riffles during MY1 storm events. Visual surveys
indicate the areas affected through aggradation and degradation are functioning and stable. WLS will
closely monitor any changes to all stream reaches during MY2.
3.1.3 Substrate
Representative streambed material samples will be collected in years 5 and 7 at the locations where riffles
are installed in reaches that were proposed for restoration as part of the Project.
3.2 Stream Hydrology
3.2.1 Stream Flow
Two flow gauges (FG-1 and FG-3), installed in May of 2020 on R1 and R4, documented that the stream
exhibited surface flow for a minimum of 30 consecutive days throughout the monitoring year (Appendix
E). One additional flow gauge (FG-2) was installed during MY1 on Reach R2 on September 18th, 2020 in
response to IRT comments received during the September 15th, 2020 site visit. FG-2 did not exhibit 30
consecutive days of flow for MY1 (only 48 days of data available),with a maximum recorded flow of seven
days. Additionally, to determine if rainfall amounts are normal for the given year, precipitation data was
obtained from Surry County Airport Weather Station(KMWK),approximately fifteen miles north of the site.
3.2.2 Bankfull Events
During MY1, bankfull events were recorded on both pressure transducer crest gauges.CG-1(R1) recorded
four events with a maximum event of 0.28' above bankfull. CG-2 (R5) recorded two events with a
4Horne Creek Tributaries MY1
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maximum event of 0.96' above bankfull. CG-2 was subsequently damaged by a storm event on May 24th,
2020.WLS reinstalled the gauge on June 17th, 2020. Additionally,the cork crest gauge located adjacent to
CG-1 on R1 recorded two bankfull events. The associated data and photographs are located in Appendix
E.
3.3 Vegetation
Monitoring of the 10 permanent vegetation plots was completed during the second week of November
2020. Vegetation data can be found in Appendix C with the associated photos located in Appendix B.The
MY1 average planted density is 558 stems per acre, which exceeds the interim measure of vegetative
success of at least 320 planted stems per acre at the end of the third monitoring year. In addition, every
permanent vegetation plot also met the interim measure of success and had 486 to 688 stems per acre.
Though not tabulated in the results, volunteer species of green ash and persimmon were noted in MY1
and more are expected to establish in upcoming years.
Visual assessment of vegetation outside of the monitoring plots indicates that the herbaceous vegetation
is becoming well established throughout the project. One area of concern noted during the IRT as-built
site visit at the lower end of R1(approximate station 23+50 right floodplain hillside)continues to lack well-
established herbaceous vegetation. WLS staff added additional grass seed (Brachiaria ramose and Lolium
multiflorum) and a native grass/wildflower seed mix (see table below) in September 2020. WLS will
monitor this area closely during MY2 for vegetation establishment. Another area was noted during the
IRT as-built site visit of having low herbaceous growth on R4 (approximate station 16+50 right floodplain
hillside). A photo point (PS-7) has been added to capture this area in future years and this area was also
seeded with the species above in September 2020. This area has coir matting and does not have active
erosion problems. Both areas lacking vegetation are not on the CCPV as they are below the mapping
threshold of one acre.
Common Name Species %of Mix
Little Bluestem Schizachyriam scoparium 30
Yellow Indiangrass Sorghastrum nutans 30
Lanced-Leaf Coreopsis Coreopsis lanceolata 9
Narrow-Leaved Sunflower Helianthus angustifolius 5
Spotted Beebalm Monarda punctata 5
Black-Eyed Susan Rudbeckia hirta 5
Purpletop/Greasegrass Tridens Flavus 5
Bur-Marigold Bidens aristosa 4
Goldenmane Tickseed Coreopsis basalis 5
Plains Coreopsis Coreopsis tinctoria 2
No areas of significant invasive plant species were observed during monitoring year 1. The site will be
monitored closely, and any invasive plant species will be treated as needed. Small populations of narrow-
leaved cattail (Typha latifolia) are present in some saturated floodplain areas, however none were
observed in the channels.
An area of minor easement encroachment, along upper R2, was noted during the July 2020 IRT site visit.
The landowner was contacted, and his responsibilities and limitations were explained. Horse tape was
4Horne Creek Tributaries MY1
8
installed to demarcate the line and prevent further mowing activities inside of the conservation easement.
As of December 2020, encroachment activities have improved. To further demarcate the line, a
supplemental row of trees will be planted immediately inside of the easement during early MY2. There
are no plans for additional fencing or bollards at this time. This area will be monitored closely, and any
actions will be detailed in the MY2 report.
4 Methods
Stream cross-section monitoring was conducted using a Topcon RL-H5 Laser Level. Survey data was
imported into Microsoft Excel®for data processing and analysis.The stage recorders include an automatic
pressure transducer(HOBO Water Level (13 ft) Logger) set in PVC piping in the channel. The elevation of
the bed and top of bank at each stage recorder location was recorded to be able to document presence
of water in the channel and out of bank events. Visual observations (i.e. wrack or debris lines) and
traditional cork crest gauges will also be used to document out of bank events.
Vegetation success is being monitored at a total of 10 permanent vegetation plots. Vegetation plot
monitoring follows the CVS-EEP Level 2 Protocol for Recording Vegetation, version 4.2 (Lee et al. 2008)
and includes analysis of species composition and density of planted species. Data are processed using the
CVS data entry tool. In the field, the four corners of each plot were permanently marked with PVC at the
origin and rebar at the other corners. Tree species and height will be recorded for each planted stem and
photos of each plot are to be taken from the origin each monitoring year.
4 Horne Creek Tributaries MY1
9
5 References
Lee Michael T., Peet Robert K., Roberts Steven D., and Wentworth Thomas R., 2008. CVS-EEP Protocol for
Recording Vegetation Level. Version 4.2
(RBRP) North Carolina Ecosystem Enhancement Program (EEP), 2009. Yadkin Pee-Dee River Basin
Watershed Restoration Priorities (RBRP). February 2009.
United States Army Corps of Engineers. 2003. Stream Mitigation Guidelines, April 2003, U.S. Army Corps
of Engineers. Wilmington District.
United States Army Corps of Engineers. 2016. Notification of Issuance of Guidance for Compensatory
Stream and Wetland Mitigation Conducted for Wilmington District, October 2016, U.S. Army
Corps of Engineers. Wilmington District.
Water and Land Solutions, LLC(2019). Horne Creek Tributaries Mitigation Plan. NCDMS, Raleigh, NC.
4 Horne Creek Tributaries MY1
10
Appendix A :
Background Tables
Table 1: Project Mitigation Components
Table 2: Project Activity and Reporting History
Table 3: Project Contacts
Table 4: Project Information and Attributes
Regulatory Correspondence
Table 1. Horne Creek Tributaries (ID-100026) - Mitigation Assets and Components
Existing Mitigation
Footage Plan I y As-Built
or Footage or Mitigation Restoration Priority Mitigation Footage or
Project Segment Acreage Acreage Category Level Level Ratio(X:1) Acreage Comments
Full Channel Restoration,Planted Buffer,Exclusion of Livestock,Permanent
R1 1,397 1,320 Warm R PI/PII 1.00000 1,342 Conservation Easement
R2 286 296 Warm R PI 1.00000 289 Full Channel Restoration,Planted Buffer,Permanent Conservation Easement
R3 75 76 Warm R PH 1.00000 73 Full Channel Restoration,Planted Buffer,Permanent Conservation Easement
R4 1,191 1,167 Warm R PI/PII 1.00000 1,181 Full Channel Restoration,Planted Buffer,Permanent Conservation Easement
R4A 124 57 Warm EH PI 2.50000 57 Supplemental Planting of Buffer,Livestock Exclusion,Permananent Easement
R4A - 111 Warm R PI 1.00000 105 Full Channel Restoration,Planted Buffer,Permanent Conservation Easement
R4B 89 27 Warm EH PI 2.50000 27 Supplemental Planting of Buffer,Livestock Exclusion,Permananent Easement
R4B - 125 Warm R PI 1.00000 123 Full Channel Restoration,Planted Buffer,Permanent Conservation Easement
R5 2,519 2,249 Warm R PI 1.00000 2,270 Full Channel Restoration,Planted Buffer,Permanent Conservation Easement.
Project credits
Stream Riparian Wetland Non-Rip Coastal
Restoration Level Warm Cool Cold Riverine Non-Riv Wetland Marsh
Restoration 5344.000
Re-establishment Ili
Rehabilitation
Enhancement
Enhancement I
Enhancement II 33.600
Creation
Preservation
Totals 5377.600 0.000 0.000 0.000
Overall Assets Summary
Overall
Asset Category Credits
Stream 5,378
RP Wetland NA
NR Wetland NA
Buffer NA
Buffer Loss SMC -300
Buffer Gain SMC 325
Total SMU 5,403
Total Adjusted SMCs 5,389
Table 2. Project Activity and Reporting History
Horne Creek Tributaries Mitigation Project #100026
Elapsed Time Since grading complete: 7 months
Elapsed Time Since planting complete: 7 months
Number of reporting Years : 1
Data Collection Completion or
Activity or Deliverable Complete Delivery
Institution Date N/A 05/22/17
404 permit date N/A 01/15/20
Mitigation Plan N/A 07/29/19
Final Design—Construction Plans N/A 07/29/19
Construction N/A 04/30/20
Containerized, bare root and B&B plantings for reach/segments 1&2 N/A 04/30/20
As-built (Year 0 Monitoring—baseline) 5/20/2020 7/1/2020
Year 1 Monitoring 11/10/2020 11/20/2020
Year 2 Monitoring
Year 3 Monitoring
Year 4 Monitoring
Year 5 Monitoring
Year 6 Monitoring
Year 7 Monitoring/Close Out
Table 3. Project Contacts
Horne Creek Tributaries Mitigation Project
Designer Water& Land Solutions, LLC
7721 Six Forks Rd, Ste. 130, Raleigh, NC 27615
Primary project design POC Christopher Tomsic- (828) 493-3287
Construction Contractor North State Environmental, Inc.
2889 Lowery Street, Winston-Salem, NC 27101
Construction contractor POC Andrew Roten - (336) 406-9078
Survey Contractor Ascension Land Surveying
116 Williams Road, Mocksville, NC 27028
Survey contractor POC Christopher Cole- (704) 579-7197
Planting Contractor Ripple EcoSolutions, LLC
215 Moonridge Rd, Chapel Hill, NC 27516
Planting contractor POC George Morris- (919) 818-3984
Seeding Contractor North State Environmental, Inc.
2889 Lowery Street, Winston-Salem, NC 27101
Contractor point of contact Andrew Roten - (336) 406-9078
Seed Mix Sources Green Resource
(336) 588-6363
Nursery Stock Suppliers (Bare Roots) Native Forest Nursery
(704)483-3397
Nursery Stock Suppliers (Bare Roots/plugs) Mellow Marsh Farm
(919) 742-1200
Nursery Stock Suppliers (Live Stakes) Foggy Mountain Nursery
(336) 384-5323
Monitoring Performers Water& Land Solutions, LLC
7721 Six Forks Rd, Ste. 130, Raleigh, NC 27615
Stream Monitoring POC Kyle Obermiller- (828) 808-2240
Vegetation Monitoring POC Kyle Obermiller- (828) 808-2240
Wetland Monitoring POC N/A; Kyle Obermiller- (828) 808-2240
Table 4.Project Background Information
Project Name Home Creek Tributaries
County Surry
Project Area(acres) 11.87
Project Coordinates(latitude and longitude) 36.2851950°N,-80.5032100°W
Planted Acreage(Acres of Woody Stems Planted) 10.2
Project Watershed Summary Information
Physiographic Province Piedmont
River Basin Yadkin
USGS Hydrologic Unit 8-digit I 03040101 USGS Hydrologic Unit 14-digit I 03040101110070
DWR Sub-basin 03-07-02
Project Drainage Area(Acres and Square Miles) 0.06(R1)and 0.26(R5)
Project Drainage Area Percentage of Impervious Area <1
2.01.03,2.01.01,3.02(46%pasture/hay,24%row crop,
CGIA Land Use Classification
16%mixed forest)
Reach Summary Information
Parameters Reach 1 Reach 2 Reach 3 Reach 4 Reach 4A Reach 4B Reach 5
Length of reach(linear feet) 1,320 296 76 1,167 168 152 2,249
Valley confinement(Confined,moderately confined,unconfined) mod confined mod confined mod confined unconfined unconfined unconfined unconfined
Drainage area(Acres and Square Miles) 38 and 0.06 41 and 0.06 29 and 0.05 83 and 0.13 29 and 0.05 2 and 0.003 166 and 0.26
Perennial,Intermittent,Ephemeral Perennial Intermittent Intermittent Perennial Perennial/Intermittent Perennial/Intermittent Perennial
NCDWR Water Quality Classification C C,WS-IV C C,WS-IV C C C,WS-IV
Stream Classification(existing) E5b/F5b(incised) G4(incised) E6b(incised) B4(incised) B4c(incised) G5 B4c/G4c(incised)
Stream Classification(proposed) B4 B4 B4a B4/C4b B4 B4 C4
Evolutionary trend(Simon) III/IV III III IV/V I I IV/V
FEMA classification N/A N/A N/A N/A N/A N/A N/A
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 Categorical
Exclusion
Historic Preservation Act Yes Yes Categorical
Exclusion
Coastal Zone Management Act(CZMA or CAMA) No N/A N/A
FEMA Floodplain Compliance No N/A N/A
Essential Fisheries Habitat No N/A Categorical
Exclusion
4
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Meeting Minutes
Horne Creek Tributaries Mitigation Project, DMS Project ID#100026
USACE Action ID#: SAW-2017-01510
Subject: NCIRT Horne Creek Tributaries As-Built Baseline Site Visit
Date Prepared: September 16th, 2020
Meeting Date and Time: September 15th, 2020 10:30 am—1:30 pm
Meeting Location: Kiger Road, Pinnacle, NC (36.28257, -80.50831)
Recorded By: Cara Conder
Attendees: USACE:Todd Tugwell
NCDEQ DWR: Erin Davis
DMS: Matthew Reid, Paul Wiesner
WLS: Kayne VanStell, Cara Conder, and Kyle Obermiller
These meeting minutes document notes and discussion points from the North Carolina Interagency
Review Team (NCIRT) As-Built Baseline Site Meeting for the Horne Creek Tributaries Mitigation Project
(Yadkin River Basin, CU 03040101, Warm Water Thermal Regime). Water & Land Solutions, LLC (WLS)
submitted a Final As-Built Baseline Monitoring Report on August 3rd, 2020 and the site visit was held on
September 15th, 2020.The meeting began with a general summary of the overall project construction and
dates.These meeting minutes proceed in order of discussion.
1. Erin Davis asked for a redline vegetation table in the as-built and also noted that there was not a planting
list provided with quantities and species. WLS has corrected the oversight and attached the planting list
to these meeting minutes.
2. Erin Davis asked if WLS had maximum depths of the vernal pools on the as-built drawings. Kayne
VanStell responded that there are no depths on the as-built drawings, and these are actually floodplain
depressions for storage and not vernal pools. Floodplain depression depths range 6-14 inches, but it was
noted the contractor installed brush at the bottom and the water surface elevations will fluctuate over
time based on seasonal water table and rainfall events.
3. Erin Davis noted that there is riprap on the inlets and outlets on the BMPs. Kayne stated that the stone
outlet is added protection for headcutting and erosion.
waterlandsolutions.com I 7721 Six Forks Rd, Ste 130, Raleigh, NC 27615 I 919-614-5111
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WATER & LAND
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4.Todd Tugwell and Erin Davis asked if any project areas had buffer widths less than 30 ft.WLS responded
that there were a few areas, but this was addressed in the mitigation plan and WLS utilized the non-
standard buffer tool, as there are many areas of the site with buffers wider than 30 ft.
5.Todd Tugwell asked when planting was completed. Cara Conder stated April 30tn
6. Erin Davis requested to mention weather/rain delays in future reports as needed. Kayne VanStell did
confirm WLS had construction delays due to significant and timely rain events on this site.
7. Erin Davis requested to add all non-credited wetland areas to the CCPV. The revised CPPV is attached
to these meeting minutes.
8. Erin Davis stated to address cattails in BMP or buffer (preferably by hand removal) if they become a
monoculture.
9.Todd Tugwell said that going forward do not use smooth/non-corrugated pipes in crossings.
10. Todd Tugwell asked if WLS has concerns about vegetation establishing on the steeper side slopes.
Kayne VanStell responded yes, WLS does have concerns on excavated side slopes <3:1, but we have not
observed any rills after multiple bankfull storm events with overland flows, so we will continue to monitor
the vegetation and side slope areas.
11.Todd Tugwell noted that on the lower section of R1 there is a side channel starting to form. WLS will
continue to monitor this area and repair/stabilize if needed.
12. Todd Tugwell noted that some of the structure drops on R5 are steep and asked if they match the
mitigation design plan. Kayne VanStell said the construction did not deviate from the mitigation plan
design.
13. Paul Wiesner asked why the pipes in the crossings are skewed. Kayne VanStell said the easement
boundary was finalized before the final design approval and some adjustments were made during
construction. WLS noted they will monitor for any scour areas in the channel or side slopes associated
with the skew angles.
14.Todd Tugwell noted that the invert of the downstream pipe on R4 was too high. Kayne VanStell agreed
and said WLS will monitor and lower the invert (bury the pipe) or raise the downstream rifle invert
elevation if needed.
15. Erin Davis requested to add a photo point of the slope on the right side of R4 for vegetation
establishment.
16. Erin Davis requested to add a camera or flow gauge to upper portion of R2. WLS will likely install a
flow gauge instead of a camera.
waterlandsolutions.com I 7721 Six Forks Rd, Ste 130, Raleigh, NC 27615 I 919-614-5111
4
WATER & LAND
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17. DMS noted that during their as-built site visit in July there was some minor easement encroachment
from mowing on R2/R3. WLS addressed this with the landowner and they now understand that not even
fescue can be mowed. WLS had installed horse tape around the easement markers in August and this
encroached area is re-establishing.The landowner did not cut down any trees; however, this fall WLS will
install another row of trees closer to the easement boundary. WLS will continue to closely monitor this
area for any easement encroachment. It was also noted that the landowner requested the wooden
markers instead of the t-posts. Todd Tugwell noted that split rail fence can be used to demarcate the
easement boundary and Erin Davis mentioned planting additional trees/shrubs could be used as well to
help aid with the boundary. Paul Wiesner discussed a new bollard spec that DMS has used recently,which
landowners have liked visually. DMS will have Jeff Horton contact WLS with the bollard specs. WLS will
discuss other easement demarcation options with the landowner and DMS if needed.
USACE Summary(Todd Tugwell):
• Concerned about the height of structure drops.
• Continue to monitor the crossings/pipes for the angles and smooth material.There is nothing to
address right now.
• Monitor the vegetation on the side slopes as herbaceous layer is sparse on some areas.
• There are 1-2 structures piping.
• Monitor the floodplain pool depths, response to rainfall and surface/subsurface flow interaction.
DWR Summary(Erin Davis):
• Apply an additional seed mix to the side slopes.
• The site does not have any major invasive species issues, but continue to monitor cattails and
morning glory.
• Erin asked if WLS has any random vegetation plots.There are no random plots on this site and all
the plots are permanent. WLS will continue to monitor the vegetation on the site and if there are
any issues in the future,WLS may add 1-2 random vegetation plots to monitor vegetation.
waterlandsolutions.com I 7721 Six Forks Rd, Ste 130, Raleigh, NC 27615 I 919-614-5111
Horne Creek Tributaries- Final Plant Quantities
Percent Mitigation
Common Name Species Stems Planted Plan Percent
Green ash Fraxinus pensylvanica 250 3.4% 3.0%
River birch Betula nigra 500 6.7% 7.0%
Basswood Tilia americana 500 6.7% 7.0%
Black gum Nyssa sylvatica 450 6.0% 6.0%
American sycamore Platanus occidentalis 500 6.7% 7.0%
Tulip poplar Liriodendron tulipifera 500 6.7% 7.0%
Northern red oak Quercus rubra 250 3.4% 3.0%
White oak Quercus alba 450 6.0% 6.0%
Persimmon Diospyros virginiana 500 6.7% 7.0%
Common service berry Amelanchierarborea G 0.0%, 5.0%
Umbrella magnolia Magnolia tripetala G 0.0%, 6.0%,
Redbud Cercis canadensis 400 5.4% 0.0%
American hornbeam Carpinus caroliniana 450 6.0% 6.0%
Witch hazel Hamamelis virginiana 450 6.0% 6.0%
Pawpaw Asimina triloba 900 12.1% 6.0%
Spicebush Lindera benzoin 450 6.0% 6.0%
Tag alder Alnus serrulata 450 6.0% 6.0%
Hazelnut Corylus americana 450 6.0% 6.0%
Total Planted 7,450 100.0%
*changes from mitigation plan in red
Appendix B :•Visual Assessment Data
Figure 1: Current Condition Plan View (CCPV)
Table 5: Visual Stream Morphology Stability Assessment
Table 5a: Vegetation Condition Assessment
Stream Photo Points (Cross-Sections, Culvert Crossings, Ell Reaches)
Vegetation Plot Photographs
Potential Problem Area Photographs
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4 WAT E R & LAND Horne Creek Tributaries Mitigation Project DMS project number: 100026 Plan View
SOLUTIONS Surly County, North Carolina May 2020 Monitoring Year o
MYO NAD 1983 2011 State Plane
North Carolina FIPS 3200 FT US
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WAT E R & LAND Horne Creek Tributaries Mitigation Project DMS project number: 100026 Plan View
SOLUTION 5 Surry County, North Carolina
November 2020 Monitoring Year 1 1 a
MY14 NAD 1983 2011 State Plane
North Carolina FIPS 3200 FT US
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M USACE Action ID Number: SAW-2017-01510 Current Conditions FIGURE
4 WATER & LAND Horne Creek Tributaries Mitigation Project DMS project number: 100026 Plan View
SOLUTIONS Surry County, North Carolina November 2020 Monitoring Year 1 1 b
MY1 NAD 1983 2011 State Plane
North Carolina FIPS 3200 FT US
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TM USACE Action ID Number: SAW-2017-01510 Current Conditions FIGURE
4WATER & LAND Horne Creek Tributaries Mitigation Project DMS project number: 100026 Plan View
SOLUTIONS Surry County, North Carolina
November 2020 Monitoring Year 1 I� C
MY1 NAD 1983 2011 State Plane
North Carolina FIPS 3200 FT US
Table 5. Visual Stream Morphology Stability Assessment
Project Home Creek Tributaries Mitigation Project(DMS ID#100026)
Reach ID R1,R2,R3,R4,R4a,R4b,R5
Assessed Length 5428
Number Number with Footage with Adjusted%for
Stable, Number of Amount of %Stable, Stabilizing Stabilizing Stabilizing
Major Channel Channel Sub Performing as Total Number Unstable Unstable Performing as Woody Woody Woody
Category Category Metric Intended in As-built Segments Footage Intended Vegetation Vegetation Vegetation
1.Bank 1.Scoured/Eroding Bank lacking vegetative cover resulting simply from poor growth and/or scour 0 0 100% 0 0 100%
and erosion
Banks undercut/overhanging to the extent that mass wasting appears likely.
* 2.Undercut Does NOT include undercuts that are modest,appear sustainable and are 0 0 100% 0 0 100%
providing habitat.
3.Mass Wasting Bank slumping,calving,or collapse 0 0 100% 0 0 100%
Totals 0 0 100% 0 0 100%
2.Engineered 1.Overall Integrity Structures physically intact with no dislodged boulders or logs. 257 257 100%
Structures
2.Grade Control Grade control structures exhibiting maintenance of grade across the sill. 111 111 100%
2a.Piping Structures lacking any substantial flow underneath sills or arms. 117 117 100%
Bank erosion within the structures extent of influence doesnot exceed 15%.(See
3.Bank Protection 42 42 100%
guidance for this table in EEP monitoring guidance document)
Pool forming structures maintaining—Max Pool Depth:Mean Bankfull Depth
4.Habitat 42 42 100%
ratio>1.6 Rootwads/logs providing some cover at base-flow.
Table 5a. Vegetation Condition Assessment
Project Home Creek Tributaries Mitigation Project(DMS ID#100026)
Planted Acreage 10.2
Mapping CCPV Number of Combined %of Planted
Vegetation Category Definitions Threshold Depiction Polygons Acreage Acreage
1. Bare Areas Very limited cover of both woody and herbaceous material. 1 acre Solid light blue 0 0.00 0.0%
2. Low Stem Density Areas Woody stem densities clearly below target levels based on MY3,4,or 5 stem count criteria. 0.1 acres Pattern and 0 0.00 0.0%
Color
Total 0 0.00 0.0%
3.Areas of Poor Growth Rates or Vigor Areas with woody stems of a size class that are obviously small given the monitoring year. 0.25 acres Pattern and 0 0.00 0.0%
Color
Cumulative Total 0 0.00 0.0%
Easement Acreage2 11.9
Mapping CCPV Number of Combined %of Easement
Vegetation Category Definitions Threshold Depiction Polygons Acreage Acreage
4.Invasive Areas of Concern° Areas or points(if too small to render as polygons at map scale). 1000 SF orange hatched 0 0.00 0.0%
5.Easement Encroachment Areas3 Areas or points(if too small to render as polygons at map scale). none yellow hatched 0 0.00 0.0%
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Appendix C :•Vegetation MonitoringPlot
Data
Table 6: Planted and Total Stem Counts
Table 6a: Vegetation Plot Mitigation Success Summary
CVS Project Code 6. Project Name: Horne Creek
Table 6: Planted and Total Stem Counts Current Plot Data (MY1 2020)
006-01-0001 006-01-0002 006-01-0003
Scientific Name Common Name Species Type PnoLS P-all T PnoLS P-all T PnoLS P-all T
Alnus serrulata hazel alder Shrub
Asimina triloba pawpaw Tree 2 2 2 1 1 1
Betula nigra river birch Tree 2 2 2 2 2 2 1 1 1
Carpinus caroliniana American hornbeam Tree 1 1 1
Cercis canadensis eastern redbud Tree 2 2 2
Corylus americana American hazelnut Shrub 1 1 1
Diospyros virginiana common persimmon Tree 1 1 1 3
Fraxinus pennsylvanica green ash Tree 1 1 1
Hamamelis virginiana American witchhazel Tree
Lindera benzoin northern spicebush Shrub 2 2 2
Liriodendron tulipifera tuliptree Tree 1 1 1 5 5 5 5 5 5
Nyssa sylvatica blackgum Tree 2 2 2 1 1 1
Platanus occidentalis American sycamore Tree 1 1 1 2 2 2
Quercus alba white oak Tree 1 1 1
Quercus rubra northern red oak Tree 2 2 2
Tilia americana American basswood Tree 3 3 3 1 1 1
Stem count 14 14 14 13 13 16 13 13 13
size(ares) 1 1 1
size(ACRES) 0.02 0.02 0.02
Species count 8 8 8 7 7 8 7 7 7
Stems per ACRE 566.6 566.6 566.6 526.1 526.1 647.5 526.1 526.1 526.1
CVS Project Code 6. Project Name: Horne Creek
Table 6: Planted and Total Stem Counts Current Plot Data MY1(2020)
006-01-0004 006-01-0005 006-01-0006
Scientific Name Common Name Species Type PnoLS P-all T PnoLS P-all T PnoLS P-all T
Alnus serrulata hazel alder Shrub 1 1 1 1 1 1 2 2 2
Asimina triloba pawpaw Tree 2 2 2 1 1 1
Betula nigra river birch Tree 4 4 4 3 3 3
Carpinus caroliniana American hornbeam Tree 1 1 1 3 3 3
Cercis canadensis eastern redbud Tree 1 1 1 1 1 1
Corylus americana American hazelnut Shrub
Diospyros virginiana common persimmon Tree 2 2 2 3 3 3
Fraxinus pennsylvanica green ash Tree 1 1 1
Hamamelis virginiana American witchhazel Tree
Lindera benzoin northern spicebush Shrub 1 1 1
Liriodendron tulipifera tuliptree Tree 3 3 3 1 1 1
Nyssa sylvatica blackgum Tree 1 1 1 1 1 1
Platanus occidentalis American sycamore Tree 3 3 3
Quercus alba white oak Tree 1 1 1
Quercus rubra northern red oak Tree 2 2 2 1 1 1 2 2 2
Tilia americana American basswood Tree 1 1 1 1 1 1 1 1 1
Stem count 17 17 17 15 15 15 13 13 13
size(ares) 1 1 1
size(ACRES) 0.02 0.02 0.02
Species count 9 9 9 9 9 9 9 9 9
Stems per ACRE 688 688 688 607 607 607 526.1 526.1 526.1
CVS Project Code 6. Project Name: Horne Creek
Table 6: Planted and Total Stem Counts Current Plot Data MY1(2020)
006-01-0007 006-01-0008 006-01-0009
Scientific Name Common Name Species Type PnoLS P-all T PnoLS P-all T PnoLS P-all T
Alnus serrulata hazel alder Shrub 2 2 2 2 2 2 3 3 3
Asimina triloba pawpaw Tree 2 2 2
Betula nigra river birch Tree 2 2 2 1 1 1
Carpinus caroliniana American hornbeam Tree 1 1 1 2 2 2
Cercis canadensis eastern redbud Tree
Corylus americana American hazelnut Shrub 1 1 1 1 1 1
Diospyros virginiana common persimmon Tree 2 2 2
Fraxinus pennsylvanica green ash Tree 1
Hamamelis virginiana American witchhazel Tree 1 1 1
Lindera benzoin northern spicebush Shrub 1 1 1 3 3 3 1 1 1
Liriodendron tulipifera tuliptree Tree 1 1 1 1 1 1
Nyssa sylvatica blackgum Tree 3 3 3 3 3 3 1 1 1
Platanus occidentalis American sycamore Tree 1 1 1 1 1 1
Quercus alba white oak Tree 1 1 1
Quercus rubra northern red oak Tree
Tilia americana American basswood Tree 1 1 1 1 1 1
Stem count 14 14 14 13 13 13 12 12 13
size(ares) 1 1 1
size(ACRES) 0.02 0.02 0.02
Species count 10 10 10 7 7 7 8 8 9
Stems per ACRE 566.6 566.6 566.6 526.1 526.1 526.1 485.6 485.6 526.1
CVS Project Code 6. Project Name: Horne Creek
Table 6: Planted and Total Stem Counts MY1 (2020) Annual Means
006-01-0010 MY1 (2020) MVO(2020)
Scientific Name Common Name Species Type PnoLS P-all T PnoLS P-all T PnoLS P-all T
Alnus serrulata hazel alder Shrub 3 3 3 14 14 14 14 14 14
Asimina triloba pawpaw Tree 2 2 2 10 10 10 18 18 18
Betula nigra river birch Tree 15 15 15 4 4 4
Carpinus caroliniana American hornbeam Tree 2 2 2 10 10 10 13 13 13
Cercis canadensis eastern redbud Tree 1 1 1 5 5 5 10 10 10
Corylus americana American hazelnut Shrub 1 1 1 4 4 4 12 12 12
Diospyros virginiana common persimmon Tree 1 1 1 9 9 12 12 12 12
Fraxinus pennsylvanica green ash Tree 2 2 3 4 4 4
Hamamelis virginiana American witchhazel Tree 1 1 1 6 6 6
Lindera benzoin northern spicebush Shrub 8 8 8 15 15 15
Liriodendron tulipifera tuliptree Tree 1 1 1 18 18 18 29 29 29
Nyssa sylvatica blackgum Tree 12 12 12 12 12 12
Platanus occidentalis American sycamore Tree 1 1 1 9 9 9 7 7 7
Quercus alba white oak Tree 1 1 1 4 4 4 4 4 4
Quercus rubra northern red oak Tree 7 7 7 7 7 7
Tilia americana American basswood Tree 1 1 1 10 10 10 5 5 5
Stem count 14 14 14 138 138 142 172 172 172
size (ares) 1 10 10
size (ACRES) 0.02 0.25 0.25
Species count 10 10 10 16 16 16 16 16 16
Stems per ACRE 566.6 566.6 566.6 558.5 558.5 574.7 696.1 696.1 696.1
Table 6a:Vegetation Plot Mitigation Success Summary Table
Success Average
Planted Volunteers/ Total
Plot# Criteria Stem
Stems/Acre Acre Stems/Acre
Met Height (ft)
1 567 0 567 Yes 1.2
2 526 0 526 Yes 1.6
3 526 0 526 Yes 1.4
4 688 0 688 Yes 1.8
5 607 0 607 Yes 1.1
6 526 0 526 Yes 1.2
7 567 0 567 Yes 1.6
8 526 0 526 Yes 0.8
9 486 0 486 Yes 1.2
10 567 0 567 Yes 1.3
Project
558 0 558 Yes 1.3
Average
Appendix D :•Stream Measurement and
GeomorphologyData
Figure 2: MY1 Cross-Sections
Table 7a: Baseline Stream Data Summary
Table 7b: Cross-section Morphology Data
Table 7c: Stream Reach Morphology Data
Figure 2: MY1 Cross Sections
Project Name Home Creek Tributaries Mitigation Project
Project ID 100026
Reach ID R1 •
Cross Section ID XS-1 `•-•'
Field Crew K.Obermiller, E. Dunnigan r�'`'''' - -
'.: • rr `•
Dimension Data Summary: MY1 2020
Bankfull Elevation(ft) 944.2 �,t ": .J` �' '`
Low Bank Height Elevation(ft) 944.8 :_:. :
Bankfull Max Depth(ft) 2.2 / = = "=
Low Bank Height(ft) 2.8 4 b `
Bank Height Ratio 1.2 .,.s, -1 ` _s.- �.
Bankfull X-section Area(ft2) 11.1 - • _ T. L -�---. -'
% Change Bank Height Ratio 20.0% ., '` -1.-`"°�
Looking Downstream
XS-1 Pool, STA 12+85
—Baseline MYO —MY1 — — Bankfull Elevation —Floodprone Area
948 -
947 -
946
r
cu
cu
945 -
c
o _
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m
w
943 -
942 -
941
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project
Project ID 100026
Reach ID R1 i ,
Cross Section ID XS-2 ,�
Field Crew K.Obermiller, E. Dunnigan • ,
A
Dimension Data Summary: MY1 2020 - _�'_�„_.,'•;' ' � <
Bankfull Elevation(ft) 942.7
Low Bank Height Elevation(ft) 942.6 .,-
Bankfull Max Depth(ft) 1.2 • 1 �'
Low Bank Height(ft) 1.0 i ;.x '.•
Bank Height Ratio 0.9 .. ;�.t..-
Bankfull X-section Area(ft2) 3.9
Change Bank Height Ratio 10.0% � ;.;
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XS-2 Riffle, STA 13+32
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
947 -
946 -
y 945 -
cu
' 941
944
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project
Project ID 100026
Reach ID R1 1• ,
Cross Section ID XS-3 . �•.t_..., ,.. •`• 4w-
Field Crew K.Obermiller, E. Dunnigan
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Dimension Data Summary: MY1 2020 '' � ;,} _ '—.,. n - • •
Bankfull Elevation(ft) 920.8 _``
Low Bank Height Elevation(ft) 920.6 _�, '-::;•, r .•'.'_ fs'...,V
Bankfull Max Depth(ft) 2.2 "` Y
Low Bank Height(ft) 2.0 .
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Bank Height Ratio 0.9 '" ` � 'b°;yr ' ti L. 1-'•,
Bankfull X-section Area(ft2) 9.6 +a " '�, a.•
% Change Bank Height Ratio 10.0% ' 4� "�
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XS-3 Pool, STA 20+35
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
924 -
923 -
y 922 -
cu
0 921
r
w 920 -
919 -
918
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project •
Project ID 100026
Reach ID R1 -
Cross Section ID XS-4 -x
Field Crew K.Obermiller, E. Dunnigan „-•-;,,, ,, ..'u M1
Dimension Data Summary: MY1 2020 �`.•'~��' -%-
•
Bankfull Elevation(ft) 921.3 -
_
Low Bank Height Elevation(ft) 920.2 . -' •. ,. --
Bankfull Max Depth(ft) 0.7
Low Bank Height(ft) 0.6 "` = ' --
Bank Height Ratio 0.9 • • ,. �-:•,
Bankfull X-section Area(ft2) 2.6 •g _-" -, `i •
-
% Change Bank Height Ratio 10.0% s y ` '' =
-, •) d�, r •11 OF 2C2_i
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XS-4 Riffle, STA 20+47
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
925 -
924 -
y 923 -
cu
0 922 -
r
as
cu
w 921 -
920 ---- -
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project .: f
Project ID 100026
•cox. `,-)f ',
Reach ID R4 R r •: F
Cross Section ID XS-5 _, 1 1': ,--' -' _ ,.
Field Crew K.Obermiller, E. Dunnigan
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Dimension Data Summary: MY1 2020 so N s'. - +_
Bankfull Elevation(ft) 981.3 e--`. .'"• " c--..
Low Bank Height Elevation(ft) 981.2 ` �- r ,..
Bankfull Max Depth(ft) 0.7 - / _ 4•).�
Low Bank Height(ft) 0.6 :r:0
Bank Height Ratio 0.9 3 `;�.- ' T■ii •
Bankfull X-section Area(ft2) 3.7 .- �' .}%;:4 •• '' =„r '
% Change Bank Height Ratio 10.0% y' .iii
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XS-5 Riffle, STA 13+84
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
985
984 -
m 983 -
w
0 982
r
cu
w 981 -
980 -
979 1
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project
Project ID 100026
Reach ID R4
Cross Section ID XS-6 '4'- .; ,'' A' .. .g ,' ;a'rt:P 5� ;y ,�,,,1 • ;..,�
Field Crew K.Obermiller, E. Dunnigan ;''� ' ,... ''`' ` ✓y
-
• . . . j.
Dimension Data Summary: MY1 2020 4
Bankfull Elevation(ft) 980.5 ':; ; . 7.
Low Bank Height Elevation(ft) 980.3 � L.'' -• = ....
' 4'
Bankfull Max Depth(ft) 1.8 �1 �-' '#9s ;;>
Low Bank Height(ft) 1.6 r4. ;. -
Bank Height Ratio 0.9 _
Bankfull X-section Area(ft2) 11.6 ,'- filib ,
% Change Bank Height Ratio 10.0% r -
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Looking Downstream
XS-6 Pool, STA 14+28
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
983
982 -
y 981 -
cu
w
0 980 -
r
cu
cu
w 979 -
978 -
977 , 1 1 1 1 1 1 1
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
•
Project Name Home Creek Tributaries Mitigation Project •
Project ID 100026 kl %. -
Reach ID R4 ��}}.' ``;' + 444.4.
Cross Section ID XS-7 - F • I' '.' .:„ -
•
Field Crew K.Obermiller, E. Dunnigan • `� ' � •
Dimension Data Summary: MY1 2020 4, YF-
Bankfull Elevation(ft) 966.7 `.
Low Bank Height Elevation(ft) 966.6 �, v;
Bankfull Max Depth(ft) 2.1 -.• ':." . ,.:
Low Bank Height(ft) 2.0 - ,
Bank Height Ratio 0.9
Bankfull X-section Area(ft2) 12.4 e - ,ci_}
•% Change Bank Height Ratio 10.0% `i . `�., " •.
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XS-7 Pool, STA 19+50
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
969
968
y 967
0 966
r
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cu
cu
w 965
964
963 , 1 1 1 1 1 1 1
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project '?;:•ti;1r r4la..
sf 4'd; veT19 ;Project ID100026Y Yn �� '". µr4 yam' -4 -'. .
Reach ID 40
R4 x 1.S.ro,, .:s. .. • :, :-: ,,, - s ,f,Fr
Cross Section ID XS-8 ,, y. }' '- ---0 '`' Yy ,,1!";a..:7,-.T ;,- .j
Field Crew K.Obermiller, E. Dunniganh . �.,•, ? '` .. .
Dimension Data Summary: MY1 2020 `I A .rF =�
Bankfull Elevation(ft) 966.0 " ' �' _-. . .. ►� �� e '-
Low Bank Height Elevation(ft) 966.0 ic.4% ;?:.:
Bankfull Max Depth(ft) 1.0
Low Bank Height(ft) 1.0 4.... : ;'..'- i ti;l'.'• ``•3.
,yam!-S r� '•. •• A,,C
Bank Height Ratio 1.0 ,- '« 1 �. f '
Bankfull X-section Area(ft2) 5.1 [ • �� `;• 1"` 'i
Change Bank Height Ratio 0.0% /'
a 4ii �x
Looking Downstream
XS-8 Riffle, STA 19+75
—Baseline MYO —MY1 — — Bankfull Elevation —Floodprone Area
969 -
968 -
y 967 -
o
0 966 — -
r
1Q
cu
cu
w 965 -
964 -
963
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project . `` . I
r, I
Project ID 100026 i40 J . }� f. I -
Reach ID R5 �' w'..
Cross Section ID XS-9 :..- W i.
Field Crew K.Obermiller, E. Dunnigan �i=:# a+ " J.
Dimension Data Summary: MY1 2020 .kz ;; 4 9'" �4-,d
Bankfull Elevation(ft) 952.2 -, ' ce :
Low Bank Height Elevation(ft) 952.2 ,..•r.S }: . _ • a :14_, �r
Bankfull Max Depth(ft) 2.5 'tee' ' • Y -` f-
•..
Low Bank Height(ft) 2.5 - : . - _.�
Bank Height Ratio 1.0 ';
Bankfull X-section Area(ft2) 16.8 -. 1!- r`I
% Change Bank Height Ratio 0.0% =`� -
Looking Downstream
XS-9 Pool, STA 25+18
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
955
954 -
y 953 -
cu
0 952 - ----
r
c>
cu
cu
w 951 -
950 -
949 , 1 1 1 1 1 1 1
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project
Project ID 100026 1.Mr• ,. r ry
Reach ID R5 G.. �;.. .: .t'
Cross Section ID XS-10 L': .x.,•:: ;,_ '4. 'X" -},"_; - "•; •
Field Crew K.Obermiller, E. Dunnigan =-• :' t
Dimension Data Summary: MY1 2020 '`" L , r 'j ,<� 4i�`
Bankfull Elevation(ft) 951.0 ,,.' =a' r"
Low Bank Height Elevation(ft) 951.3 :tip- 1- n 'vk.- i .• ..ate ^�i
Bankfull Max Depth(ft) 1.2 ^ & " Fs +-_ .
Low Bank Height(ft) 1.5 '�; ff1 A ��
Bank Height Ratio 1.3 `'�`;�, :, - _ -
� :.Bankfull X-section Area(ft2) 6.9 _ * ,� y `'�
% Change Bank Height Ratio 30.0% 1.; L'�; --
n•Pitiot-i4.:- ..,, -,Id
Looking Downstream
XS-10 Riffle, STA 25+45
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
955 -
954 -
y 953 -
w
0 952
w 951 —
950 -
949 -
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project _ 4t' : '` r
Project ID 100026 7`- t, '`.• _
Reach ID R5 •
M;
Cross Section ID XS-11 '1�; _ 4,- . �- : Y_,A.I..A, 1
Field Crew K.Obermiller, E. Dunnigan - F. ' ' j#
Dimension Data Summary: MY1 2020
Bankfull Elevation(ft) 937.2 tia• -
Low Bank Height Elevation(ft) 937.1 - - • ,
Bankfull Max Depth(ft) 2.1 -
Low Bank Height(ft) 1.9 ''- -c� • -� ::_ •: , F�
Bank Height Ratio 0.9 'i-�-li Y. -. e:,,r" !,: _ v:',.4..--
Bankfull X-section Area(ft2) 23.6 `= -. I.I.` ±.�'OP 7b T --T.-,
% Change Bank Height Ratio 10.0% ,. +� '_,.. ' •- '
Looking Downstream
XS-11 Pool, STA 32+70
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
939 -
938 -
y 937 -- -
w
0 936 -
---
r
c,
w 935 -
934 -
933 1
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
•Project Name Home Creek Tributaries Mitigation Project ;� �• i ' �y;
Project ID 100026 c ;4. ,: :• : �; •
Reach ID R5 , s•i••.. k. 7 f.: K+ :d: :;Y_ `-0,.
Cross Section ID XS 12 ,.fix;r' 04 �es1=, Ck. _ r K;�� , NJ IL tt':'':- .f
Field Crew K.Obermiller, E. Dunnigan y : ' ?+ ::•: �y, ,. };' F
'f rayy.
Dimension Data Summary: MY1 2020 „kF ;a q )• ..F.Y t ,. �;
Bankfull Elevation(ft) 935.9 '•' '• as`'. '; °:
Low Bank Height Elevation(ft) 936.1 ,'A:.• - 14{ ' . •` y -. .
Bankfull Max Depth(ft) 0.6 • jig •: -• '.. 'e.' ,--
Low Bank Height(ft) 0.9 may' '" •
,', `-
Bank Height Ratio 1.4 �� �; = "='^• y • �'
Bankfull X-section Area(ft2) 4.5 C. f-�` •`w i `.• : '••'•,
Change Bank Height Ratio 40.0% r " 'rr „w
Looking Downstream
XS-12 Riffle, STA 32+88
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
939
938 -
y 937 -
cu
I
936
935 -
934 -
933 ,
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
t
Project Name Home Creek Tributaries Mitigation Project _
Project ID 100026 '' •. �'�3=..:: '
Reach ID R5 } 5 .
Cross Section ID XS-13 ' -' . >
fir.'_ 'r x& "
Field Crew K.Obermiller, E. Dunnigan •-IA �. r. ::::-,...
•."..ki: u.Dimension Data Summary: MY1 2020 ,;';.f' ;, ,i `-- ;:' ,Bankfull Elevation(ft) 924.4 i '
Low Bank Height Elevation(ft) 924.4 '• _
9 iv.' 7 :..'.
Bankfull Max Depth(ft) 2.3
Low Bank Height(ft) 2.3 - .�. . •..
Bank Height Ratio 1.0 } rY r/ _ ' .
"Bankfull X-section Area(ft2) 16.4 � .
% Change Bank Height Ratio 0.0% _• •
° .•r,&N.
\�1 05.2020
�l l.' �� ?� 4.1
Looking Downstream
XS-13 Pool, STA 38+48
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
927 -
926 -
y 925 -
cu
0 924 -
r
c>
a)
w 923 -
922 -
921
0 5 10 15 20 25 30 35 40
Width(feet)
*Due to a calculation error MVO bankfull was corrected from 19.9 to 16.4
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project ' � rri yV r 1 .
Project ID 100026 • -."°'�'•••`,L ' Y
Reach ID R5 t i•
Cross Section ID XS-14
Field Crew K.Obermiller, E. Dunnigan .
Dimension Data Summary: MY1 2020
Bankfull Elevation(ft) 923.9 • ' '1: `1, "'
Low Bank Height Elevation(ft) 923.9
Bankfull Max Depth(ft) 1.3 Y; w
Low Bank Height(ft) 1.3
Bank Height Ratio 1.0 n' z. #
Bankfull X-section Area(ft2) 8.4
% Change Bank Height Ratio 0.0% .•` ' - ``-) -'' L• '
Looking Downstream
XS-14 Riffle, STA 38+75
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
927 -
926 -
y 925 -
w
0 924
rN.' ---------------- "7".
w 923 -
922 -
921
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Home Creek Tributaries Mitigation Project _
Project ID 100026
Reach ID R5 •,: 4`
x y..+
Cross Section ID XS-15 °1
Field Crew K.Obermiller, E. Dunnigan ;4 •
:r a•; �
Dimension Data Summary: MY1 2020 .ram.' t-` '"`
Bankfull Elevation(ft) 914.5 ' .. ! .
Low Bank Height Elevation(ft) 914.4 �•". ., '
Bankfull Max Depth(ft) 0.9 �`'
Low Bank Height(ft) 0.8
Bank Height Ratio 0.9
Bankfull X-section Area(ft2) 7.7
% Change Bank Height Ratio 10.0% .
1.u'
Looking Downstream
XS-15 Riffle, STA 44+19
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
918 -
917 -
y 916 -
cu
0 915 -------------______
r
cs
w 914 -
913 -
912 , 1 1 1 1 1 1 1
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Project Name Horne Creek Tributaries Mitigation Project S ► k lr y •'' : ~.,c
Project ID 100026 is
Reach ID R5 _ 1 1
Cross Section ID XS-16
Field Crew K.Obermiller, E. Dunnigan •
Dimension Data Summary: MY1 2020 i
Bankfull Elevation(ft) 914.1 y`:
Low Bank Height Elevation(ft) 913.6
v A' �=
Bankfull Max Depth(ft) 2.9 - __.
Low Bank Height(ft) 2.4 `{ --
-
Bank Height Ratio 0.9 •__ - .,,g
Bankfull X-section Area(ft2) 27.1 , 'w icy'. _ '
% Change Bank Height Ratio 10.0% .F" _
4 • -\r
Looking Downstream
XS-16 Pool, STA 44+66
—Baseline MY0 —MY1 — — Bankfull Elevation —Floodprone Area
916
915
m914 "— ki5.-
w
0 913 -
cu
cu
w 912 -
911 -
910 1
0 5 10 15 20 25 30 35 40
Width(feet)
Home Creek Tributaries Mitigation Project Water and Land Solutions
DMS Project#100026 MY1
November 2020 Monitoring Year 1 of 7
Table 7a. Baseline Stream Data Summary
Horne Creek Tributaries Mitigation Project
Parameter I Design I Baseline Parameter I Design I Baseline
Reach ID: R1 Reach ID: R2
Dimension (Riffle) Min Max Min Max Dimension (Riffle) Min Max Min Max
Bankfull Width (ft) - 7.0 6.2 7.6 Bankfull Width (ft) - 6.0 - -
Floodprone Width (ft) 28.0 65.0 23.9 34.5 Floodprone Width (ft) 15.0 19.0 - -
Bankfull Mean Depth (ft) - 0.4 0.4 0.5 Bankfull Mean Depth (ft) - 0.5 - -
Bankfull Max Depth (ft) - 0.6 0.7 1.0 Bankfull Max Depth (ft) - 0.6 - -
Bankfull Cross Sectional Area(ft2) - 2.9 2.6 3.9 Bankfull Cross Sectional Area(ft2) - 2.8 - -
Width/Depth Ratio - 17.0 14.7 14.8 Width/Depth Ratio - 13.1 - -
Entrenchment Ratio 4.0 9.3 3.9 4.5 Entrenchment Ratio 2.5 3.2 - -
Bank Height Ratio - 1.0 1.0 1.0 Bank Height Ratio - 1.0 - -
Profile Profile
Riffle Length (ft) 10.0 20.0 10.7 26.1 Riffle Length (ft) 5.0 15.0 5.6 13.1
Riffle Slope(ft/ft) 0.038 0.062 0.040 0.058 Riffle Slope(ft/ft) 0.033 0.054 0.047 0.073
Pool Length (ft) 5.0 20.0 6.8 19.8 Pool Length (ft) 5.0 15.0 8.6 15.3
Pool Max Depth (ft) 0.8 1.4 0.9 1.9 Pool Max Depth (ft) 0.9 1.6 1.4 2.7
Pool Spacing (ft) 10.5 35.0 10.8 35.5 Pool Spacing (ft) 9.0 30.0 11.0 27.1
Pattern Pattern
Channel Beltwidth (ft) 24.5 56.0 12.4 24.3 Channel Beltwidth (ft) - - - -
Radius of Curvature(ft) 14.0 21.0 12.6 20.3 Radius of Curvature(ft) - - - -
Rc:Bankfull Width (ft/ft) 2.0 3.0 2.0 2.7 Rc:Bankfull Width (ft/ft) - - - -
Meander Wavelength (ft) 49.0 84.0 49.2 57.2 Meander Wavelength (ft) - - - -
Meander Width Ratio 3.5 8.0 1.7 7.9 Meander Width Ratio - - - -
Transport Parameters Transport Parameters
Boundary Shear Stress(Ib/ft2) 0.79 0.84 Boundary Shear Stress(Ib/ft2) 0.75 -
Max part size(mm)mobilized at bankfull 127.00 135.00 Max part size(mm)mobilized at bankfull 123.00 -
Stream Power(W/m2) 47.60 56.93 Stream Power(W/m2) 43.31 -
Additional Reach Parameters Additional Reach Parameters
Rosgen Classification B4 B4 Rosgen Classification B4 B4
Bankfull Velocity(fps) 4.2 4.6 Bankfull Velocity(fps) 4.4 4.4
Bankfull Discharge(cfs) 12.0 12.0 Bankfull Discharge(cfs) 12.0 12.0
Sinuosity 1.07 1.12 Sinuosity 1.08 1.11
Water Surface Slope(Channel)(ft/ft) 0.037 0.037 Water Surface Slope(Channel)(ft/ft) 0.030 0.042
Bankfull Slope(ft/ft) 0.037 0.038 Bankfull Slope(ft/ft) 0.030 0.046
Parameter I Design I Baseline Parameter I Design I Baseline
Reach ID: R4 Reach ID: R5
Dimension(Riffle) Min Max Min Max Dimension(Riffle) Min Max Min Max
Bankfull Width (ft) - 9.0 7.9 9.6 Bankfull Width (ft) - 10.0 10.0 13.3
Floodprone Width (ft) 38.0 79.0 59.0 70.0 Floodprone Width (ft) 54.0 134.0 95.0 140.0
Bankfull Mean Depth(ft) - 0.6 0.5 0.5 Bankfull Mean Depth(ft) - 0.7 0.5 0.8
Bankfull Max Depth (ft) - 0.8 0.7 0.8 Bankfull Max Depth (ft) - 0.9 0.7 1.2
Bankfull Cross Sectional Area(ft2) - 5.2 3.7 5.1 Bankfull Cross Sectional Area(ft2) - 7.2 4.5 8.4
Width/Depth Ratio - 15.6 17.2 18.2 Width/Depth Ratio - 13.9 14.5 27.7
Entrenchment Ratio 4.2 8.8 4.2 5.0 Entrenchment Ratio 5.4 13.4 3.4 4.0
Bank Height Ratio - 1.0 1.0 1.0 Bank Height Ratio - 1.0 1.0 1.0
Profile Profile
Riffle Length(ft) 10.0 30.0 11.5 33.2 Riffle Length(ft) 15.0 30.0 14.8 39.0
Riffle Slope(ft/ft) 0.032 0.052 0.027 0.063 Riffle Slope(ft/ft) 0.030 0.040 0.015 0.043
Pool Length(ft) 10.0 30.0 8.5 25.3 Pool Length(ft) 15.0 35.0 16.1 41.9
Pool Max Depth(ft) 1.2 2.0 1.4 2.6 Pool Max Depth(ft) 1.4 2.5 2.0 3.1
Pool Spacing (ft) 13.5 45.0 20.6 57.9 Pool Spacing (ft) 15.0 70.0 37.8 59.7
Pattern Pattern
Channel Beltwidth (ft! 31.5 72.0 31.7 48.2 Channel Beltwidth (ft) 35.0 80.0 41.6 56.8
Radius of Curvature(ft) 18.0 27.0 13.4 24.3 Radius of Curvature(ft) 20.0 30.0 19.3 29.9
Rc:Bankfull Width (ft/ft) 2.0 3.0 1.7 2.5 Rc:Bankfull Width (ft/ft) 2.0 3.0 1.9 2.2
Meander Wavelength(ft) 63.0 108.0 71.9 111.1 Meander Wavelength(ft) 70.0 120.0 81.8 107.6
Meander Width Ratio 3.5 8.0 9.1 11.6 Meander Width Ratio 3.5 8.0 7.6 10.5
Transport Parameters Transport Parameters
Boundary Shear Stress(lb/ft2 0.93 0.75 Boundary Shear Stress(Ib/ft2) 0.79 0.75
Max part size(mm)mobilized at bankful 144.00 123.00 Max part size(mm)mobilized at bankfull 128.00 123.00
Stream Power(W/m2) 57.07 46.87 Stream Power(W/m2) 43.10 42.77
Additional Reach Parameters Additional Reach Parameters
Rosgen Classification B4/C4b B4/C4b Rosgen Classification C4 C4
Bankfull Velocity(fps) 4.2 4.3 Bankfull Velocity(fps) 3.8 3.9
Bankfull Discharge(cfs) 22.00 22.0 Bankfull Discharge(cfs) 27.0 27.0
Sinuosity 1.31 1.32 Sinuosity 1.21 1.23
Water Surface Slope(Channel)(ft/ft) 0.029 0.025 Water Surface Slope(Channel)(ft/ft) 0.020 0.020
Bankfull Slope(ft/ft) 0.029 0.025 Bankfull Slope(ft/ft) 0.020 0.020
Table 7b. Monitoring Data-Dimensional Morphology Summary(Dimensional Parameters-Cross Sections)
Home Creek Tributaries#100026
Cross Section 1(Pool) Cross Section 2(Riffle) Cross Section 3(Pool) Cross Section 4(Riffle)
Parameters Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+
Bankfull Width(ft) 8.9 6.7 7.6 6.5 7.9 11.2 6.2 6.0
Floodprone Width(ft) 36.7 34.7 34.5 34.2 33.3 34.9 23.9 25.5
Bankfull Mean Depth(ft) 1.2 1.7 0.5 0.6 1.2 0.9 0.4 0.4
Bankfull Max Depth(ft) 2.1 2.2 1.0 1.2 1.9 2.2 0.7 0.7
Bankfull Cross Sectional Area(ft2) 11.1 11.1 3.9 3.9 9.6 9.6 2.6 2.6
Bankfull Width/Depth Ratio 7.1 4.0 14.8 10.9 6.4 13.0 14.7 14.0
Bankfull Entrenchment Ratio 4.1 5.2 4.5 5.2 4.2 3.1 3.9 4.2
Bankfull Bank Height Ratio 1.0 1.2 1.0 0.9 1.0 0.9 1.0 0.9
d50(mm) N/a N/a N/a N/a N/a N/a N/a N/a
Cross Section 5(Riffle) Cross Section 6(Pool) Cross Section 7(Pool) Cross Section 8(Riffle)
Parameters Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+
Bankfull Width(ft) 7.9 8.7 9.6 22.0 9.4 14.0 9.6 8.5
Floodprone Width(ft) 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0
Bankfull Mean Depth(ft) 0.5 0.4 1.2 0.5 1.3 0.9 0.5 0.6
Bankfull Max Depth(ft) 0.7 0.7 2.2 1.8 2.7 2.1 0.8 1.0
Bankfull Cross Sectional Area(ft2) 3.7 3.7 11.6 11.6 12.4 12.4 5.1 5.1
Bankfull Width/Depth Ratio 17.2 20.6 7.9 41.7 7.1 15.8 18.2 14.2
Bankfull Entrenchment Ratio 5.0 4.6 4.2 1.8 4.3 2.9 4.2 4.7
Bankfull Bank Height Ratio 1.0 0.9 1.0 0.9 1.0 0.9 1.0 1.0
d50(mm) N/a N/a N/a N/a N/a N/a N/a N/a
Cross Section 9(Pool) Cross Section 10(Riffle) Cross Section 11(Pool) Cross Section 12(Riffle)
Parameters Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+
Bankfull Width(ft) 12.9 14.6 10.0 8.3 17.0 37.9 11.2 8.8
Floodprone Width(ft) 40.0 40.0 40.0 40.0 40.0 40.0 38.5 32.5
Bankfull Mean Depth(ft) 1.3 1.2 0.7 0.8 1.4 0.6 0.5 0.5
Bankfull Max Depth(ft) 2.5 2.5 1.0 1.2 2.7 2.1 0.7 0.6
Bankfull Cross Sectional Area(ft2) 16.8 16.8 6.9 6.9 23.6 23.6 4.5 4.5
Bankfull Width/Depth Ratio 9.8 12.6 14.5 10.0 12.2 60.8 27.7 17.2
Bankfull Entrenchment Ratio 3.1 2.7 4.0 4.8 2.4 1.1 3.4 3.7
Bankfull Bank Height Ratio 1.0 1.0 1.0 1.3 1.0 0.9 1.0 1.4
d50(mm) N/a N/a N/a N/a N/a N/a N/a N/a
Cross Section 13(Pool) Cross Section 14(Riffle) Cross Section 15(Riffle) Cross Section 16(Pool)
' ' Parameters Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+ Base MY1 MY2 MY3 MY4 MY5 MY+
Bankfull Width(ft) 13.0 15.4 10.2 9.5 13.3 17.8 16.6 28.0
Floodprone Width(ft) 40.0 40.0 40.0 40.0 40.0 40.0 40.0 40.0
Bankfull Mean Depth(ft) 1.3 1.1 0.8 0.9 0.6 0.4 1.6 1.0
Bankfull Max Depth(ft) 2.4 2.3 1.2 1.3 0.9 0.9 2.9 2.9
Bankfull Cross Sectional Area(ft2) *16.4 16.4 8.4 8.4 7.7 7.7 27.1 27.1
Bankfull Width/Depth Ratio 10.3 14.4 2.4 10.7 22.9 41.2 10.2 29.0
Bankfull Entrenchment Ratio 3.1 2.6 3.9 4.2 3.0 2.2 2.4 1.4
Bankfull Bank Height Ratio 1.0 1.0 1.0 1.0 1.0 0.9 1.0 0.9
d50(mm) N/a N/a N/a N/a N/a N/a N/a N/a
Table 7c. Monitoring Data - Stream Reach Summary
Horne Creek Tributaries Mitigation Project
Parameter Baseline I MY1 MY2 MY3 MY4 MY5+
Reach ID: R1
I Min I Max I Min I Max Min Max Min Max Min Max Min Max
Profile
Riffle Length (ft) 10./ 26.1
Riffle Slope (ft/ft) 0.0395 0.0582
Pool Length (ft) 6.8 19.8
Pool Max depth (ft) 0.9 1.9
Pool Spacing (ft) 10.8 35.5 Pattern and Profile data will not typically be
Pattern collected unless visual data,dimensional data or
Channel Beltwidth (ft) 12.4 24.3 profile data indicate significant deviations from
Radius of Curvature (ft) 12.6 20.3 baseline conditions
Rc:Bankfull width (ft/ft) 2.0 2./
Meander Wavelength (ft) 49.2 5/.2
Meander Width Ratio 1.7 7.9
Additional Reach Parameters
Rosgen Classification B4
Sinuosity(ft) 1.12
Water Surface Slope (Channel) (ft/ft) 0.0368
BF slope (ft/ft) 0.038
'Ri%/Ru% /P%/G%/S%
'SC%/Sa%/G%/C%/B%/ Be%
'd16 /d35/d50/d84/d95 I
2% of Reach with Eroding Banks
Channel Stability or Habitat Metric
Biological or Other
Parameter I Baseline I MY1 MY2 MY3 MY4 MY5+
Reach ID: R2
I Min I Max I Min I Max Min Max Min Max Min Max Min Max
Profile
Riffle Length (ft) 5.6 13.1
Riffle Slope (ft/ft) 0.04/3 0.0/25
Pool Length (ft) 8.6 15.3
Pool Max depth (ft) 1.4 2./
Pool Spacing (ft) 11.0 2/.1 Pattern and Profile data will not
Pattern typically be collected unless visual
Channel Beltwidth (ft) data,dimensional data or profile
data indicate significant deviations
Radius of Curvature (ft) - -
Rc:Bankfull width (ft/ft) - -
Meander Wavelength (ft) - -
Meander Width Ratio - -
Additional Reach Parameters
Rosgen Classification B4
Sinuosity(ft) 1.11
Water Surface Slope (Channel) (ft/ft) 0.0423
BF slope (ft/ft) 0.0457
'Ri%/Ru% /P%/G%/S%
SC%/Sa%/G%/C%/B%/ Be%
'd16 /d35/d50/d84/d95 I
2% of Reach with Eroding Banks
Channel Stability or Habitat Metric
Biological or Other
Parameter I Baseline I MY1 MY2 MY3 MY4 MY5+
Keach ID: K4
Min Max Min Max Min Max Min Max Min Max Min Max
Profile
Riffle Length (ft) 11.5 33.2
Riffle Slope (ft/ft) U.U2/3 U.U628
Pool Length (ft) 8.5 25.3
Pool Max depth (ft) 1.4 2.6
Pool Spacing (ft) 20.6 5/.9 Pattern and Profile data will not
Pattern typically be collected unless visual
Channel Beltwidth (ft) 31./ 48.2 data,dimensional data or profile
Radius of Curvature (ft) 13.4 24.3
Rc:Bankfull width (ft/ft) 1./ 2.5
Meander Wavelength (ft) (1.9 111.1
Meander Width Ratio 9.1 11.5
Additional Reach Parameters
Rosgen Classification B4/C4b
Sinuosity (ft) 1.32
Water Surface Slope (Channel) (ft/ft) 0.0250
BF slope (ft/ft) 0.0254
'Ri%/Ru% /P%/G%/S%
'SC%/Sa%/G% /C% /B%/Be%
'd16/d35/d50/d84/d95/
2% of Reach with Eroding Banks
Channel Stability or Habitat Metric
Biological or Other
Parameter I Baseline I MY1 MY2 MY3 MY4 MY5+
Reach ID: R5
Min I Max I Min I Max Min Max Min Max Min Max Min Max
Profile
Riffle Length (ft) 14.8 39.0
Riffle Slope (ft/ft) U.0154/ 0.04344
Pool Length (ft) 16.1 41.9
Pool Max depth (ft) 2.0 3.1
Pool Spacing (ft) 3/.8 59./ Pattern and Profile data will not
Pattern typically be collected unless visual
Channel Beltwidth (ft) 41.6 56.8 data,dimensional data or profile
Radius of Curvature (ft)
19.3 29.9 data indicate significant deviations
Rc:Bankfull width (ft/ft) 1.9 2.2
Meander Wavelength (ft) 81.8 1U/.5
Meander Width Ratio /.6 10.5
Additional Reach Parameters
Rosgen Classification C4
Sinuosity (ft) 1.23
Water Surface Slope (Channel) (ft/ft) 0.0198
BF slope (ft/ft) 0.01984
'Ri%/Ru% /P%/G%/S%
'SC%/Sa%/G% /C% /B%/Be%
'd16/d35/d50/d84/d95/
2% of Reach with Eroding Banks
Channel Stability or Habitat Metric
Biological or Other
Appendix E : Hydrologic Data
Table 8a and 8b: Verification of Bankfull Events
Figure 4: Surface Flow Events and Flow Gauge Installation Diagrams
Figure 5: Rainfall Data
Table 8A:Verification of Bankfull Events- R1
Horne Creek Tributaries Mitigation Project
Measurement
Date of above bankfull
Date of Collection Occurrence Method Photos (feet)
9/15/2020 8/21/2020 Pressure Transducer No 0.18
11/5/2020 9/17/2020 Pressure Transducer No 0.18
11/5/2020 10/11/2020 Pressure Transducer No 0.28
11/5/2020 10/29/2020 Pressure Transducer No 0.11
8/12/2020 Unknown Cork Gauge Yes 0.20
11/5/2020 Unknown Cork Gauge Yes 0.35
I •tY,,�/ / /;i
—~ 5 ,f „.. .. . 4. - �' ,. .f •,. • .,4_ , 'I� r . . 'y.A� 45.....000
r. fir' 4 • r .
- A . 1 f f t.:.trite; ?fr y.-',�_ .! '/
' - •'s".* w N 4
„_ --, 4. 41 .7• 4. . ,. tit&
x& H a 7 9. '� � ry /`{f
t r - y 'e' f. v� �/ -411. t ,,i io/ i ,
, _
__ ,
Tr I 3z4,3,
,A,ft-. L, . .. 4..,. I • III( ?,,..7,1,7-'- ' '— _,
,r ,1, ,
ti •r , i- f. - , -1 /Y� w 'f. . �.� t cam ,..—,
\----
--.
t' — i 3 �. fY� si
J ri .,„ r
iY \ s �f t: t s r \
10
I,firY_ -<.. ►� - � � I� I-�,: . 4� 1 4. 4--
.. . . . ' -..A.1;
8/12/2020 11/5/2020
Table 8B:Verification of Bankfull Events- R5
Horne Creek Tributaries Mitigation Project
Measurement
Date of above bankfull
Date of Collection Occurrence Method Photos (feet)
6/17/2020 5/20/2020 Pressure Transducer No 0.10
6/17/2020 5/24/2020 Pressure Transducer No 0.96
Figure 4: Surface Flow Data
Horne Creek Tributaries Mitigation Project
Horne Creek Tribs - Flow Gauge FG-1 (R1)
1.5 3.5
Maximum Days of Consecutive Flow: 149 days (5/7/20-11/5/20)
t ►
1.25 — 3
2.5
a 1 — °J
U
4—
t 2 =-
0.75 ., _ F Ca
1.5
Ca
N 0.5 —
1 0
0.25 -
0.5
0 .._ II .� . . 4!LIIIII.O OO O O O O O O O O O OOOOO O O O ONNNNN N N N NOOOOO O O O ONNNNN N N N N MON %-1 00 Lfl N 0\1N \ %-1 %-1N \ \ %-1 N NOl \ \ \ O O \ \ \00 Ol Ol cn ci ci O O O
ci ci ci
Rainfall —Pool Depth Riffle Depth
Horne Creek Tribs - Flow Gauge FG-2 (R2)
2 3.5
Maximum Days of Consecutive Flow: 8 days (10/10/20-10/17/20)
1.75 —
3
1.5
2.5
a,• 1.25
2
0_ .11 /C"6"1""160,..-
1.5 ro
• 0.75 >-
L
N
1
0.5 —
0.25 — _ 0.5
0 0
O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
N N N N N N N N N N N N N N N N N N N N N N N N N
O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
N N N N N N N N N N N N N N N N N N N N N N N N N
00 0 N Cr LC) CO 0 N Cr LC) CO 0 N l0 CO 0 N l0 00 O ci rn L!
%-1 N N N N N M \ \ \ \ c-I ci ci ci ci N N N N N M \ \ \
a-, a-, a-, a-, 0 0 0 O 0 0 0 0 0 0 0 0 0 0 0 c-1 T-1 T-1
Rainfall Pool Depth Riffle Depth
*R2 Flow Gauge installed on 9/18 after IRT as-built(MYO)site visit
Horne Creek Tribs - Flow Gauge FG-3 (R4)
1.2 — — 3.5
Maximum Days of Consecutive Flow: 149 days (5/7/20-10/2/20)
1 — — 3
2.5 ,,,
a 0.8 — a)
Ol t
4— U
C
t 2 ,
I :: C1.5 cc co
1 0
0.2 o 1111 .I ._ 111111_ - _.. rI i 1 ., .__ . I l_ I
0.5
0
O O O O O O O 1111
O O O O O O O O O O I
O O O O O
N N N N N N N N N N O O O N N N M 0 l0 M O N M O N N m c-1 N N %-1 ci N N N 00 00 00 Ol Ol Ol c-1 O O 0 c-1
c-1 c-1 c-1
Rainfall —Pool Depth Riffle Depth
Horne Creek Tribs - Crest Gauge CG-1 (R1)
1.6 - 3.5
1.4 3
z 1.2
2.5
N
t 1 c
Q 2 (a.'
x 0.8
i (
To
co 1.5
E 0.6 cc
co
s_ 1 co
N 0.4 0
0 2 0.5
— -1 L 0
0 0 0 I
I
I
I
I
II
! II0
N N N
c-1 c-1 c-1
Rainfall Stream Depth Bankfull Depth
*R1 Crest Gauge installed on 8/12/2020 per request of DMS during as-built(MYO)comments
Horne Creek Tribs - Crest Gauge CG-2 (R5)
1.8 — 3.5
1.6 — Gauge Damaged May 24 3
Reinstalled June 17
1.4 —
2.5
0.1
.• 1.2 -
U
a▪ 1 2
co
`-x
C
0.8 1.5
a
N 1
0.4
0.2 ‘'4%.° 4 0.5
0 I iii T 1 , . , ..)I I, 1 ii il .. .__ . 0
O O O O O O O O o 0 0 0 0 0 0 0 0 0 iiiiiiiiI
0 0 0
N N N N N N N N N N N N N N N N N N NNNOOOO O O O O O O O O O O O O O O OOONNNN N N N N N N N N N N N N N N NNNnCrc\-1WN0\1L!c-INNNNLn \ \ \ \ \ c-1LflL!1L!1 O O ,i
c-1 c-1 c-1
Rainfall Stream Depth Bankfull Depth
*R5 Crest Gauge was damaged during a storm event on 5/24 and was repaired and reinstalled by WLS staff on 6/17
**CG-2 was re-surveyed in its new location after reinstallation with new bankfull depth of 1.69'
TOP OF FLOW GAUGE
HEIGHT=3.54
-- FLOW_ O ELEVATION OF DOWN
STREAM RIFFLE=7.84
- w
v�
\% ///�/�/ �SEFLOW
1
ii /� (/ iiiiii /�/�
FLOW GAUGE FG-1 (R1)
Flow Depth=(Sensor Depth+Height)-Elevation of Down Stream Riffle
Flow Depth=0.68 Feet
TOP OF FLOW GAUGE
HEIGHT=5.75
-- FLOW_ O ELEVATION OF DOWN
Z STREAM RIFFLE=9.59
w
/ m
A �T�///%/,%///// �SEFLOW
v //y/v/\
FLOW GAUGE FG-2j2)
Flow Depth=(Sensor Depth+Height)-Elevation of Down Stream Riffle
Flow Depth=1.00 Feet
TOP OF FLOW GAUGE
HEIGHT=5.00
2
r
-- fl-OW� O ELEVATION OF DOWN
Z STREAM RIFFLE=10.51
V _ 64SEFLOW
\ OOOOOOO���O����i��ii�i� /O/ i // r .
% \\// i' K i iiii
FLOW GAUGE FG-3(4)
Flow Depth=(Sensor Depth+Height)-Elevation of Down Stream Riffle
Flow Depth=0.39 Feet
Figure 5: Monthly Rainfall Data
Horne Creek Tributaries Mitigation Project
MY1 2020
12.00 Monthly Rainfall
10.00
8.00
N
N
s
•E 6.00 1ffii1 :
To
f0 4.00
c
co
cc
2.00
0.00
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
Observed Monthly Rainfall -30th Percentile* -70th Percentile*
*30th and 70th percentile data collected from weather station Coop 315890-Mount Airy,NC
**Incomplete Month
Month 30th Percentile* 70th Percentile* Observed Monthly Rainfall
Jan-20 2.60 4.55 5.02
Feb-20 2.10 3.83 11.38
Mar-20 3.03 5.03 3.91
Apr-20 2.76 4.78 9.36
May-20 3.30 5.61 9.01
Jun-20 2.80 5.37 5.28
Jul-20 3.51 5.81 2.78
Aug-20 2.59 5.12 8.36
Sep-20 2.63 5.32 2.57
Oct-20 2.15 4.29 6.35
Nov-20 2.22 4.11 **
Dec-20 2.51 4.54 **