20190049 Ver 1_CarpenterBottom_100090_MY2_2023_20240129

MONITORING YEAR 2
ANNUAL REPORT
FINAL
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CARPENTER BOTTOM MITIGATION SITE
Gaston County, NC
Catawba River Basin
HUC 03050102
(03050103 Expanded Service Area)
January 2024 DMS Project No. 100090
NC DEQ Contract No. 7731
DMS RFQ No. 16-007133-CT03
Date of Issue: April 24, 2017
USACE Action ID No. SAW-2018-02062
DWR Project No. 2019-0049
Data Collection Dates: January— November 2023
PREPARED FOR:
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NC Department of Environmental Quality
Division of Mitigation Services
1652 Mail Service Center
Raleigh, NC 27699-1652

PREPARED BY:
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WILDLANDS
E N G I N EER I N G
Wildlands Engineering, Inc.
1430 S. Mint Street, Suite 104
Charlotte, NC 28203
Phone: [phone]
Fax: [phone]

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WILDLANDS
E N G I N E E R I N G
January 19, 2024
Mr. Matthew Reid
Project Manager
NCDEQ— Division of Mitigation Services
5 Ravenscroft Drive, Suite 102
Asheville, NC 28801
RE: Carpenter Bottom Draft MY2 Report Review
Catawba River Basin - HUC 03050102 (03050103 Expanded Service Area)
Gaston County
DMS Project ID No. 100090
Contract #7731
Dear Mr. Reid:
Wildlands Engineering, Inc. (Wildlands) has reviewed the Division of Mitigation Services (DMS)
comments from the Draft Year 2 Monitoring Report for the Carpenter Bottom Mitigation Site that were
received on January 2, 2024. The report has been updated to reflect those comments. The Final MY2
Report is included. DMS' comments are listed below in bold. Wildlands' responses to DMS' comments
are noted in italics.
DMS Comment: WEI has actively treated Murdannia keisak on the site. The report indicates that a
small population persists. Are the remaining populations site wide or limited to isolated reaches? Can
you provide an update of where the species is found on site?
Wildlands' response: Small patches of Murdannia keisak were located in some of the riffles along the
main stem of Carpenter Branch Reach 1 between UT1 and the crossing (approx. STA 111+00 to 118+00).
The plants were treated and are not a concern to the functioning and performance of the stream.
DMS Comment: Game cameras were installed at the request of the IRT during the 2023 Credit Release
Meeting. WEI has indicated that the cameras do not provide a level of detail that is useful due to
vegetation. Does WEI plan to continue using the cameras to supplement the gauge data or
discontinue use? If pictures are available from the cameras, please include them in the report to show
the issue.
Wildlands' response: The text of section 2.5 was expanded to describe the game camera issues in more
detail. A photo log was also added to Appendix A that documents stream flow conditions which confirm
the data recorded by the stream gages. The photo log also illustrates problems with vegetation
obstructing the game cameras' view for much of the year. Wildlands will relocate the game cameras to
attempt to document different portions of UT1 and UT2; however, it is expected that by spring, the view
may be obstructed by the vegetation.
DMS Comment: The IRT requested the rain data source, distance from the site and month to month
rainfall graph be included in the MY2 report. Thank you for including this information, and the
additional discussion regarding 2023 rainfall and how it relates to site hydrology.
Wildlands' response: You are welcome.
Wildlands Engineering, Inc. • phone [phone] • fax [phone] • 1430 S. Mint Street, # 104 • Charlotte, NC 28203

WILDLANDS
ENGINEERING
DMS Comment: Table 11: If possible, please update the rainfall summary table with end of year data
for final submittal.
Wildlands' response: The rainfall table (table 11) and the Monthly Rainfall Data plot were updated to
include all of 2023. With a 4.7" rain event at the end of December and 7.7" of rain for the month, the
annual rainfall totaled about 2" more than the normal annual rainfall. The end of year rainfall was
enough to bring Gaston County to an Abnormally Dry DO status. Any impact on groundwater storage
should be visible in the next monitoring year.
North Carolina
Home / North Carolina
Map released: Thurs. January 4, 2024
Data valid. January 2, 2024 at 7 a.m. EST
Intensity
Nose
DO (Abnormally Dry)
D1 (Moderate Dro ught)
D2(Severe Drought)
D3(Extreme Drought)
D4 (Exceptional Drought)
NO Data
Authors
United States and Puerto Rico Author(,):
Lind-yJohn r, National Dra ught Mitigation Center
Pacifc Islands and Virgin Islands Author(,):
Richard Heim, NOAA/NCEI
National Drought Mitigation Center. 2024. U.S. Drought Monitor — North Carolina. University of
Nebraska -Lincoln. Accessed 01104124 from
https://droughtmonitor. unl. edu/CurrentMap/StateDroughtMonitor. ospx?Southeast
DMS Comment: WEI has included Table 12a Existing Conditions Wetland Gauge Summary to provide
additional pre -construction information about the site hydrology. Does WEI have a reference gauge
onsite or offsite for comparison?
Wildlands' response: As stated in the Mitigation Plan, a reference wetland gage was established
approximately 6.7 miles from the Site within the floodplain of Howards Creek in Lincoln County (located
at the closed -out Owl's Den Mitigation Site). This reference gage data was added to all the groundwater
gage plots and will be included in future monitoring reports.
DMS Comment: Recommend either including Figure 3 from the Mitigation Plan and/or adding the six
gauges shown in Table 12a to the CCPV so reviewers can easily see the location of the existing
conditions gauges compared to the locations of the current monitoring gauges.
Wildlands' response: "Figure 3. Site Map (Mitigation Plan)" was added to the report after the CCPV
figures. In addition, the six groundwater gages from the Mitigation Plan are included in the submitted
geodatabose.
DMS Comment: In stream flow: Credits are considered at risk for reaches not meeting the 30
consecutive days of flow success criteria. DMS recommends that WEI document if portions of the
reaches do meet the criteria that may not be captured by the instream flow gauge. Additional gauges
and/or cameras may be used to track this.
Wildlands' response: As discussed in the previous comments, and in Section 2.5, the game cameras will
be relocated in an attempt to capture different portions of UT1 and UT2; however, it is expected that by
Wildlands Engineering, Inc. • phone [phone] • fax [phone] • 1430 S. Mint Street, # 104 • Charlotte, NC 28203

k P
WILDLANDS
ENGINEERING
spring, the view may be obstructed by the vegetation. An additional stream gage will be installed on the
main stem of Carpenter Branch Reach 1, just below the confluence of UT3, to monitor the streamflow at
this location in the reach.
DMS Comment: Digital Deliverable Comments - Please include spatial files for the MY2 random plot
locations with final submittal.
Wildlands' response: The mobile vegetation plots are included in the digital files. It is the shapefile titled
VP —Mobile" and is located in the geodatabase titled "CB_AsBuilt.gdb". This shapefile includes the
current and previous years' mobile plots.
As requested, Wildlands has included two (2) hard copies of the final report and a full final electronic
submittal of the support files on USB. A copy of our responses to DMS's comment letter has been
included inside the cover of the report, as well. Please let me know if you have any questions.
Sincerely,
Mimi Caddell
Environmental Scientist
[e-mail]
Wildlands Engineering, Inc. • phone [phone] • fax [phone] • 1430 S. Mint Street, # 104 • Charlotte, NC 28203

CARPENTER BOTTOM MITIGATION SITE
Monitoring Year 2 Annual Report
TABLE OF CONTENTS
Section 1: PROJECT OVERVIEW........................................................................................................1-1
1.1
Project Quantities and Credits...................................................................................................1-1
1.2
Project Goals and Objectives.....................................................................................................1-1
1.3
Project Attributes.......................................................................................................................1-1
Section
2: Monitoring Year 2 Data Assessment................................................................................
2-1
2.1
Vegetative Assessment..............................................................................................................
2-1
2.2
Vegetation Areas of Concern and Management Activities........................................................2-1
2.3
Stream Assessment....................................................................................................................2-1
2.4
Stream Areas of Concern...........................................................................................................2-2
2.5
Stream Hydrology Assessment..................................................................................................2-2
2.6
Wetland Hydrology Assessment................................................................................................2-2
2.7
Monitoring Year 2 Summary......................................................................................................2-4
Section3:
REFERENCES....................................................................................................................
3-1
TARI PC,
Table 1. Mitigation Assets and Components.............................................................................................1-2
Table 2: Goals, Performance Criteria, and Functional Improvements......................................................1-3
Table 3: Project Attributes.........................................................................................................................1-5
FIGURES
Figure 1 Current Condition Plan View (Key)
Figure la-b Current Condition Plan View
Figure 3 Site Map (Mitigation Plan)
APPENDICES
Appendix A Visual Assessment Data
Table 4a-c Visual Stream Morphology Stability Assessment Table
Table 5 Vegetation Condition Assessment Table
Stream Photographs
Vegetation Plot Photographs
Groundwater Gage Photographs
Stream and Crest Gage Photographs
Areas of Concern Photographs
Photographs of Stream Flow
Appendix B
Vegetation Plot Data
Table 6
Vegetation Plot Data
Table 7
Vegetation Performance Standards Summary Table
Appendix C
Stream Geomorphology Data
Cross -Section Plots
Table 8a-b
Baseline Stream Data Summary
Table 9
Cross -Section Morphology Monitoring Summary
Carpenter Bottom Mitigation Site
Monitoring Year 2 Annual Report - FINAL

Appendix D
Hydrology Data
Table 10
Bankfull Events
Table 11
Rainfall Summary
Monthly Rainfall Data
Table 12a
Existing Conditions Wetland Gage Summary
Table 12b
Wetland Gage Summary
Table 13
Recorded In -Stream Flow Events Summary
Recorded In -Stream Flow Events Plots
Groundwater Gage Plots
Soil Temperature Probe Plot
Groundwater Gage Installation Sheets
Appendix E Project Timeline and Contact Info
Table 14 Project Activity and Reporting History
Table 15 Project Contact Table
Appendix F Additional Documentation
Wildlands' Response to IRT Comments for the MYO Report & Notice of Initial
Credit Release (July 26, 2022)
WCarpenter Bottom Mitigation Site
Monitoring Year 2 Annual Report - FINAL

Section 1: PROJECT OVERVIEW
The Carpenter Bottom Mitigation Site (Site) is located in Gaston County, NC approximately 4.1 miles
south of the City of Lincolnton and just south of the Gaston County/Lincoln County border. The Site
drains to Beaverdam Creek, which drains to the Catawba River. The Site is located within the South Fork
Catawba River (High Shoals) WS-IV water supply watershed and is located just outside the Indian Creek
Targeted Local Watershed (TLW). Table 3 presents information related to the project attributes.
1.1 Project Quantities and Credits
Mitigation work within the Site included the restoration and enhancement of perennial and intermittent
stream channels and the rehabilitation and re-establishment of historically altered wetlands. Table 1
below shows stream and wetland credits by reach and the total amount of credits expected at closeout.
-L.2 Project Goals and Objectives
The project is intended to provide numerous ecological benefits. Table 2 below describes expected
outcomes to water quality and ecological processes and provides project goals and objectives.
1.3 Project Attributes
The project includes the headwaters of a tributary to Beaverdam Creek and occurs on adjacent
properties that have a history of agricultural use. The Site has been ditched and maintained as an active
cattle and hay pasture as far back as 1950; however, a small, forested area within the proposed wetland
restoration area was allowed to reforest starting around 1973. In 2014, approximately 2.4 acres were
deforested to provide additional pasture. Table 3 below and Table 8 in Appendix C present additional
information on pre -restoration conditions.
Carpenter Bottom Mitigation Site
Monitoring Year 2 Annual Report - FINAL 1-1

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Section 2: Monitoring Year 2 Data Assessment
Annual monitoring and site visits were conducted during Monitoring Year 2 (MY2) to assess the
condition of the project. The vegetation, stream, and hydrologic success criteria for the Site follow the
approved success criteria presented in the Mitigation Plan (Wildlands, 2020), the performance criteria
are located in Section 1.2 Tables 3a-b: Goals, Performance Criteria, and Functional Improvements.
Methodology for annual monitoring is presented in the MYO Annual Report (Wildlands, 2022).
2.1 Vegetative Assessment
The vegetative survey was completed in August 2023. Vegetation monitoring resulted in a stem density
range of 364 to 810 planted stems per acre. All thirteen vegetation plots are meeting the interim
requirement of 320 stems per acre required at MY3. As requested by the NC Interagency Review Team
(IRT) as part of their comments from the MYO Baseline Report (Wildlands, 2022), some of the wetland
rehabilitation area was captured by the new location for mobile vegetation plot 1. The wetland
rehabilitation areas will continue to be captured by some mobile plots in future monitoring years as
well. Herbaceous vegetation is also abundant across the Site and includes native pollinator species
indicating a healthy riparian habitat. The riparian habitat is helping to reduce nutrient runoff from the
agricultural fields outside the easement and stabilize the stream banks. Refer to Appendix A for
Vegetation Plot Photographs and the Vegetation Condition Assessment Table and Appendix B for
Vegetation Plot Data.
2.2 Vegetation Areas of Concern and Management Activities
The vegetation assessment indicated that the surviving stems are at a density above the MY3 interim
criteria. The visual assessment across the Site found that the herbaceous cover is also well established
throughout the floodplain. A Site walk was conducted in November 2023 to assess the easement
boundary. No new issues of encroachment were found, and all easement signs/markings were intact.
Two areas of encroachment were documented earlier in the year but both areas appear resolved. The
northern encroachment is along the boundary just east of VP1; this area was mowed early in the year.
An additional sign was installed, and no more mowing was observed in November 2023. The second
area is located along the boundary just east of GWG 8. This area showed evidence of ATV encroachment
cutting through the corner. The boundary was blocked off with logs and debris and this path is no longer
being used by ATV traffic. Both areas are shown as resolved in the Areas of Concern Photographs in
Appencix A and in Figure 1.
There are few areas where invasive species are a problem on the Site. The small populations of Asian
spiderwort (Murdannia keisak) do not appear to be negatively impacting the stream or restricting flow.
Small areas of hardy orange (Citrus trifoliata), Chinese privet (Ligustrum sinense), Japanese Honeysuckle
(Lonicera japonica) and multiflora rose (Rosa multiflora) were scattered across the Site. These species
were all treated with herbicides throughout the year in an effort to keep their presence to a minimum.
There is one area of C. trifoliata which continues in the northwest portion of the project that is 0.16
acres in size; at 1% of the Site's acreage, it is only a minor concern. Additional chemical treatments may
be needed in the following years to keep resprouts and new populations under control. Ninety-nine
percent of the Site is free of invasive species and shows strong vegetative growth. Wildlands will
continue to monitor for the reemergence of any invasive populations which threaten the success of the
project.
2.3 Stream Assessment
Morphological surveys were conducted in July 2023. All streams within the Site are stable and
functioning as designed. All 14 cross -sections at the Site show little to no change in the bankfull areas
WCarpenter Bottom Mitigation Site
Monitoring Year 2 Annual Report - FINAL 2-1

and the width -to -depth ratios, the entrenchment ratios (ERs) are above 2.2, and the bank height ratios
(BHRs) are less than 1.2 (0.8-1.0). Refer to Appendix A for the Visual Stream Morphology Stability
Assessment Table and Stream Photographs and Appendix C for Stream Geomorphology Data.
2.4 Stream Areas of Concern
A site assessment last conducted in November 2023 found that there were no stream areas of concern
across the project. The banks all appear stable and are well covered by established vegetation.
2.5 Stream Hydrology Assessment
This year, bankfull events were recorded on UT1, UT2, and Carpenter Branch Reach 1. UT3 did not
record a bankfull event for the second year in a row and there were no visual indicators of bankfull
events occurring on this reach. Although UT3 hasn't had a bankfull event yet, it is still expected that the
hydrologic success criteria for bankfull events will be met for all streams. During a site walk in January
2023, Wildlands staff found evidence of out -of -bank flow over much of the Site.
In addition, the presence of baseflow must be documented on intermittent or low flow reaches
(Carpenter Branch Reach 1, UT1, UT2, and UT3) for a minimum of 30 consecutive days during a normal
precipitation year. UT2 and UT3 maintained baseflow for 208 and 131 consecutive days, respectively;
however, Carpenter Branch Reach 1 and UT1 did not meet the minimum requirement with 8 and 3 days,
respectively. Although Carpenter Branch did not meet this year, it is not a concern at this time. The
thalweg at the head of riffle is surveyed each year. Slight variations in the thalweg elevations at the head
of riffle can cause discrepancies in the recorded number of days of consecutive flow. The head of riffle
elevation will be verified again next year.
Game cameras were installed in MY2 to photograph the flow along UT1 and UT2 at the stream gage
locations. However, the photos provided by these cameras simply confirmed data collected by the
stream gages which was also verified during site visits. Most of the time, the game camera's view is
obscured by herbaceous vegetation, causing photos to be unusable for stream flow documentation.
Refer to Appendix A for the stream flow photo log containing game camera documentation of flow
(photos 1, 2, 6, and 7) and examples of views obstructed by vegetation (photos 3 and 8). Other photos
documented during site visits, photo point monitoring, and cross-section surveys also confirm the data
recorded by the stream gages (photos 4, 5, 9, and 10). In MY3, Wildlands will relocate the game cameras
to document different portions of UT1 and UT2; however, it is expected that by spring, the view may be
obstructed by the vegetation. An additional stream gage will be installed on the main stem of Carpenter
Branch Reach 1, just below the confluence of UT3, to monitor the streamflow at this location in the
reach.
It is expected that baseflow duration will increase as rainfall restores groundwater levels. Rainfall is
discussed in more detail in the subsequent section.
Photologs are included Appendix A, and hydrology data is presented in Appendix D.
2.6 Wetland Hydrology Assessment
Eleven groundwater gages (GWG) were installed during baseline monitoring to record the groundwater
level across the Site. Because gages 9 and 10 did not mee the criteria during MY1, two additional gages
(12 and 13) were installed in January 2023 to assess different portions of the wetland area. Out of the
thirteen gages, ten met the success criteria this year (GWG1, 2, 3, 4, 5, 6, 7, 10, 11, and 12) for 35-96
consecutive days of the growing season. Three gages (GWG 8, 9, and 13) did not meet the success
criteria this year with 6, 22, and 21 consecutive days of the growing season, respectively. The hydrology
of gage 9 improved since MY1, although gage 8 did not improve. Gages 9 and 13 had groundwater levels
consistently within 12-inches of the ground surface in the weeks leading up to the start of the Site's
WCarpenter Bottom Mitigation Site
Monitoring Year 2 Annual Report - FINAL 2-2

established growing season; both gages would have met if the growing season were extended to March
1. The soil temperature plot would support this adjustment as the soil temperature only drops below
40F briefly in January.
The normal and daily rainfall is determined from the Lincolnton 4 W precipitation gage, which is
approximately 5 miles from the Site (NCSU, 2023; NOAA Regional Climate Centers, 2023). The rain data
appears to be representative of the conditions on the Site as the larger rainfall events correspond
stream level rises recorded by the stream probes.
A reference wetland was identified approximately 6.7 miles NW of the Site. This reference wetland area
is a mature Piedmont Bottomland Forest that is located within the floodplain of Howards Creek in
Lincoln County. This reference groundwater data is included on all of the groundwater gage plots.
It is expected that all gages will meet the criteria over time as groundwater continues to recharge across
the site. However, rainfall has been sporadic. While annual total rainfall in 2022 was normal, few late -
winter rains resulted in the 30-day rolling precipitation total being below the 30% of normal threshold at
the start of the 2023 growing season, as shown on the groundwater gage plots in Appendix D.
Therefore, the groundwater surface was already starting to drop on March 15 across portions of the
Site. The effects of the lower groundwater table can be seen in the plot for Gage 8. While the summer
rainfall was at or above the normal rainfall each month, 41% of the rainfall occurred during three rain
events where more than 2-inches fell (one in each month of April, May, and June). These flashy events
do not help recharge the groundwater as most will drain as surface runoff. As a result, and in
combination with minimal rainfall in the Fall, the 30-day rainfall amount dropped below the 30% of
normal threshold on October 12. Much of the state was in a drought, with Gaston County being in a
Severe drought, at the end of the growing season (National Drought Mitigation Center, 2023).
Groundwater recharge is expected to occur in the winter, but any winter rain will have to first overcome
this water storage deficit. It is likely that the effect of this drought could be observed during 2024 (MY3)
in both the stream and groundwater gages. With a 4.7" rain event at the end of December and 7.7" of
rain for the month, the annual rainfall ended up being about 2" more than the normal annual rainfall.
The rain was enough to bring Gaston County to an Abnormally Dry DO status. Any impact on
groundwater storage should be visible in the next monitoring year.
North Carolina
Home / North C—lin,
Map released: Thurs. November 16, 2023
Data valid! November 14, 2023 at 7 a.m. EST
Intensity
None
DO (Ahnorri Dry)
D1 (Moderate Drought)
Dz (severe Drought)
D3 (Extreme Droughq
Dal (Exceptional Drought)
No Data
_ Authors
United States and Puerto Rico Author(s):
Brad Rippey, U.S. Department of Agriculture
Pacific Islands and Virgin Islands Author(s).
Denise Gutzmer, National Drought Mitigation Center
Annual inspections of the bentonite seals around the groundwater gages are a regular part of Wildlands'
protocol and bentonite was added as needed this year. Refer to Appendix D Table 11 for the rainfall
WCarpenter Bottom Mitigation Site
Monitoring Year 2 Annual Report - FINAL 2-3

summary table, and Table 12 for the wetland hydrology data. Table 12a shows the hydroperiods for the
wetland gages during the existing conditions; the Figure 3 Site Map from the Mitigation Plan is included
after the CCPV figures to show the original locations of the groundwater gages.
2.7 Monitoring Year 2 Summary
All 13 vegetation plots are exceeding the MY3 interim requirement of 320 planted stems per acre. All
streams across the Site are stable and the cross sections show little dimensional change since the as -
built survey. UT1, UT2, and Carpenter Branch Reach 1 all exhibited at least one bankfull event and are
on track to meet the bankfull hydrologic criteria. Only UT3 has yet to record any bankfull events. UT2
and UT3 both met the baseflow criteria; Carpenter Branch Reach 1 met during MY1, and UT1 has yet to
meet the criteria. Two new groundwater gages were installed this year. Ten of the thirteen groundwater
gages met or exceeded the hydrologic success criteria. Small pockets of invasive species were treated
this year and will continue to be monitored and treated as needed. Overall, the Site is on track to meet
its goals and is preventing excess nutrients and sediment from entering the Catawba River tributaries.
Summary information and data related to the performance of various project and monitoring elements
can be found in the tables and figures in the report appendices. All raw data supporting the tables and
figures in the appendices are available from DMS upon request.
Carpenter Bottom Mitigation Site
Monitoring Year 2 Annual Report - FINAL 2-4

Section 3: REFERENCES
Doll, B.A., Grabow, G.L., Hall, K.A., Halley, J., Harman, W.A., Jennings, G.D., and Wise, D.E. 2003. Stream
Restoration: A Natural Channel Design Handbook. NC Stream Restoration Institute, NC State
University.
Harrelson, C.C., Rawlins, C.L., Potyondy, J.P. 1994. Stream Channel Reference Sites: An Illustrated Guide
to Field Technique. Gen. Tech. Rep. RM-245. Fort Collins, CO: U.S. Department of Agriculture, Forest
Service, Rocky Mountain Forest and Range Experiment Station. 61 p.
National Drought Mitigation Center. 2023. U.S. Drought Monitor — North Carolina. University of
Nebraska -Lincoln. Accessed 11/20/23 from
https://droughtmonitor.unl.edu/CurrentMap/StateDroughtMonitor.aspx?Southeast
North Carolina Division of Mitigation Services (NC DMS). 2007. Catawba River Basin Restoration
Priorities. Raleigh, NC.
NC DIMS. 2017. DIMS Annual Monitoring Report Format, Data Requirements, and Content Guidance.
June 2017, Raleigh, NC.
NC DIMS. 2020. Vegetation Data Entry Tool and Vegetation Plot Data Table. Raleigh, NC.
https://ncdms.shinyapps.io/Veg Table Tool/
North Carolina Division of Water Quality (NC DWQ). 2010. Catawba River Basinwide Water Quality Plan.
NC Division of Environmental Quality (NC DEQ). 2015. Surface Water Classifications.
https://deg.nc.gov/about/divisions/water-resources/water-planning/classification-
standards/classifications.
NC Interagency Review Team (NC IRT). 2016. Wilmington District Stream and Wetland Compensatory
Mitigation Update; October 24, 2016. Accessed at: https://saw-
reg.usace.army.mil/PN/2016/Wilmington-District-Mitigation-Update.pdf
NC State University (NCSU). 2023. Cardinal: Station Scout for 314996 — Lincolnton 4 W. North Carolina
State Climate Office. Accessed 11/02/2023 from
https://products.climate.ncsu.edu/cardinal/scout/?station=314996.
NOAA Regional Climate Centers, ACIS. 2023. AgACIS for Lincoln County: WETS product for Lincolnton 4
W. Accessed 11/01/2023 from https://agacis.rcc-acis.org/?fips=37109.
Rosgen, D.L. 1994. A Classification of Natural Rivers. Catena 22:169-199.
Rosgen, D.L. 1996. Applied River Morphology. Pagosa Springs, CO: Wildland Hydrology Books.
Simon, A. 1989. A model of channel response in disturbed alluvial channels. Earth Surface Processes and
Landforms 14(1):11-26.
United States Army Corps of Engineers (USACE). 2003. Stream Mitigation Guidelines. USACE, NCDENR-
DWQ, USEPA, NCWRC.
USACE. 2005. Technical Standard for Water -Table Monitoring of Potential Wetland Sites. ERDC TN-
W RAP-05-2.
Wildlands Engineering, Inc. (Wildlands). 2020. Carpenter Bottom Mitigation Site: Mitigation Plan. DMS,
Raleigh, NC.
WCarpenter Bottom Mitigation Site
Monitoring Year 2 Annual Report - FINAL 3-1

Wildlands. 2022. Carpenter Bottom Mitigation Site: Monitoring Year 0 Annual Report — Final. DMS,
Raleigh, NC.
Carpenter Bottom Mitigation Site
Monitoring Year 2 Annual Report - FINAL 3-2

FIGURES

Figure 1. Current itton Plan View'Key,
W I L D L A N D S 0 250 500 Feet I}�Jj Carpenterer Bottom Mitigation Site
vvv
ENGINEERING I I I I I DMS Project Na. 100090
Envlronmearal Monitoring Year 2 - 2023
Quality
Gaston County, NC

Figure 1a, Current Condition Plan View
W I L D L A N D S 0 100 200 Feet Carpenter Bottom Mitigation Site
ENGINEERING c , I DMS Project No. 100090
Eaviroamearal Monitoring Year 2 - 2023
Quality
Gaston County, NC

r... I Conservation Easement
0 Project Parcels
® Existing Wetlands
Internal Crossing
] Structures
Restoration
Enhancement III
No Credit
-- As -Built Alignment Deviation
BMP
— Non -Project Streams
x — Fence
---- Top of Bank
— Cross Sections (XS)
Topographic Contours (2')
0 Photo Points (PP)
0 Reach Breaks
Stream Gage (SG)
Crest Gage (CG)
Vegetation Plot Conditions - MY2
Permanent (VP) & Mobile Vegetation Plots (MP)
0 Criteria Met
ft.,WILDLANDS
ENGINEERING
Environmental
Quality
MP4
_40
40
r-
Figure 1b. Current Condition Plan View
0 100 200 Feet Carpenter Bottom Mitigation Site
I I I DMS Project No. 100090
Monitoring Year 2 - 2023
Gaston County, NC

Figure 3. Site Map (Mitigation Plan)
W 1 L, D L. A N D S 0 100 200 Feet Carpenter Bottom Mitigation Site
ENGINEERING I I I I I Catawba River Basin 03050102
(03050103 Expanded Service Area)
Gaston County, NC

APPENDIX A. Visual Assessment Data

Table 4a. Visual Stream Morphology Stability Assessment Table
Carpenter Bottom Mitigation Site
DMS Project No. 100090
Monitoring Year 2 - 2023
Carpenter Branch Reach 1 Date Last Assessed:11/14/2023
Number Tota I Amount of
Major Channel Category Stable . ' Number in Unstable 11
Performing As -built Footage
d1i as Intended
Assessed Stream Length
% Stable,
Performing as
Intended
2,243
Assessed Bank Length
4,486
Surface Scour/
Bank lacking vegetative cover resulting simply from
Bare Bank
poor growth and/or surface scour.
0
100%
Bank toe eroding to the extent that bank failure
appears likely. Does NOT include undercuts that are
Bank
Toe Erosion
modest, appear sustainable and are providing
0
100%
habitat.
Fluvial and geotechnical - rotational, slumping,
Bank Failure
0
100%
calving, or collapse.
Tota Is:
0
100%
Grade control structures exhibiting maintenance of
Grade Control
31
31
100%
grade across the sill.
Structure
Bank erosion within the structures extent of
Bank Protection
45
45
100%
influence does not exceed 15%.
UT1 Date Last Assessed: 11/14/2023
Number Tota I Amount of
Major Channel Category Stable, Number in unstable 11
Performing As -built Footage
as Intended
Assessed Stream Length
% Stable,
Performing as
Intended
175
Assessed Bank Length
350
Surface Scour/
Bank lacking vegetative cover resulting simply from
Bare Bank
poor growth and/or surface scour.
0
100%
Bank toe eroding to the extent that bank failure
appears likely. Does NOT include undercuts that are
Bank
Toe Erosion
0
100%
modest, appear sustainable and are providing
habitat.
Fluvial and geotechnical - rotational, slumping,
Bank Failure
0
100%
calving, or collapse.
Tota Is:
0
100%
Grade control structures exhibiting maintenance of
Grade Control
6
6
100%
grade across the sill.
Structure
Bank erosion within the structures extent of
Bank Protection
6
6
100%
influence does not exceed 15%.

Table 4b. Visual Stream Morphology Stability Assessment Table
Carpenter Bottom Mitigation Site
DMS Project No. 100090
Monitoring Year 2 - 2023
UT2 Date Last Assessed: 11/14/2023
Number Tota I Amount of
Major Channel Category "UTet7ir Stable, Number in Unstable 11
Performing As -built Footage
d1i as Intended
Assessed Stream Length
% Stable,
Performing as
Intended
178
Assessed Bank Length
356
Surface Scour/
Bank lacking vegetative cover resulting simply from
Bare Bank
poor growth and/or surface scour.
0
100%
Bank toe eroding to the extent that bank failure
appears likely. Does NOT include undercuts that are
Bank
Toe Erosion
modest, appear sustainable and are providing
0
100%
habitat.
Fluvial and geotechnical - rotational, slumping,
Bank Failure
0
100%
calving, or collapse.
Tota Is:
0
100%
Grade control structures exhibiting maintenance of
Grade Control
4
4
100%
grade across the sill.
Structure
Bank erosion within the structures extent of
Bank Protection
5
5
100%
influence does not exceed 15%.
UT3 Date Last Assessed: 11/14/2023
Number Tota I Amount of
Major Channel Category Stable, Number in unstable 11
Performing As -built Footage
as Intended
Assessed Stream Length
% Stable,
Performing as
Intended
385
Assessed Bank Length
770
Surface Scour/
Bank lacking vegetative cover resulting simply from
Bare Bank
poor growth and/or surface scour.
0
100%
Bank toe eroding to the extent that bank failure
appears likely. Does NOT include undercuts that are
Bank
Toe Erosion
0
100%
modest, appear sustainable and are providing
habitat.
Fluvial and geotechnical - rotational, slumping,
Bank Failure
0
100%
calving, or collapse.
Tota Is:
0
100%
Grade control structures exhibiting maintenance of
Grade Control
9
9
100%
grade across the sill.
Structure
Bank erosion within the structures extent of
Bank Protection
12
12
100%
influence does not exceed 15%.

Table 4c. Visual Stream Morphology Stability Assessment Table
Carpenter Bottom Mitigation Site
DMS Project No. 100090
Monitoring Year 2 - 2023
UT4 Date Last Assessed: 11/14/2023
Number Tota I Amount of
Major Channel Category "WTtWric Stable, Number in Unstable 11
Performing As -built Footage
d1i as Intended
Assessed Stream Length
% Stable,
Performing as
Intended
36
Assessed Bank Length
72
Surface Scour/
Bank lacking vegetative cover resulting simply from
Bare Bank
poor growth and/or surface scour.
0
100%
Bank toe eroding to the extent that bank failure
appears likely. Does NOT include undercuts that are
Bank
Toe Erosion
modest, appear sustainable and are providing
0
100%
habitat.
Fluvial and geotechnical - rotational, slumping,
Bank Failure
0
100%
calving, or collapse.
Totals:
0
100%
Grade control structures exhibiting maintenance of
Grade Control
1
1
100%
grade across the sill.
Structure
Bank erosion within the structures extent of
Bank Protection
0
0
N/A
influence does not exceed 15%.

Table 5. Vegetation Condition Assessment Table
Carpenter Bottom Mitigation Site
DMS Project No. 100090
Monitoring Year 2 - 2023
Date Last Assessed: 11/14/2023
Planted Acreage 15.94
regetation WCatego
]I
Mapping
Definitions Threshold
(ac)
Combined
Acreage
% of Planted
Acreage
Bare Areas
Very limited cover of both woody and herbaceous material. 0.10
0
0%
Low Stem Density
Woody stem densities clearly below target levels based on current MY stem count
0.10
0
0%
Areas
criteria.
Total
0
0%
Areas of Poor Growth
Planted areas where average height is not meeting current MY Performance
0.10
0
0%
Rates
Standard.
Cumulative Total
0.0
0%
Easement Acreage 18.00
Invasives may occur outside of planted areas and within the easement and will
Invasive Areas of therefore be calculated against the total easement acreage. Include species with
Concern the potential to directly outcompete native, young, woody stems in the short-term 0.10 0.16 1%
or community structure for existing communities. Invasive species included in
summation above should be identified in report summary.
Encroachment may be point, line, or polygon. Encroachment to be mapped consists
Easement of any violation of restrictions specified in the conservation easement. Common 0 Encroachments Noted
Encroachment Areas encroachments are mowing, cattle access, vehicular access. Encroachment has no none / 0 ac
threshold value as will need to be addressed regardless of impact area.

STREAM PHOTOGRAPHS

PHOTO POINT 1- Carpenter Bottom R1- upstream PHOTO POINT 1- Carpenter Bottom R1- downstream
(03/06/2023) (03/06/2023)
PHOTO POINT 2 - Carpenter Bottom R1- upstream PHOTO POINT 2 - Carpenter Bottom R1- downstream
(03/06/2023) (03/06/2023)
PHOTO POINT 3 - Carpenter Bottom R1- upstream PHOTO POINT 3 - Carpenter Bottom R1- downstream
(03/06/2023) (03/06/2023)
WCarpenter Bottom Mitigation Site
Appendix A -Visual Assessment Data —Stream Photographs

PHOTO POINT 3 - Carpenter Bottom R1- Floodplain Pool (03/06/2023) 1
PHOTO POINT 4 - Carpenter Bottom R1- upstream PHOTO POINT 4 - Carpenter Bottom R1- downstream
(03/06/2023) (03/06/2023)
PHOTO POINT 4A - Carpenter Bottom R1- upstream PHOTO POINT 4A - Carpenter Bottom R1- downstream
(03/06/2023) (03/06/2023)
WCarpenter Bottom Mitigation Site
Appendix A -Visual Assessment Data —Stream Photographs

PHOTO POINT 5 - Carpenter Bottom R1- upstream PHOTO POINT 5 - Carpenter Bottom R1- downstream
(03/06/2023) (03/06/2023)
PHOTO POINT 6 - Carpenter Bottom R1- upstream PHOTO POINT 6 - Carpenter Bottom R1- downstream
(03/06/2023) (03/06/2023)
PHOTO POINT 7 - Carpenter Bottom R1- upstream PHOTO POINT 7 - Carpenter Bottom R1- downstream
(03/06/2023) (03/06/2023)
Carpenter Bottom Mitigation Site
Appendix A - Visual Assessment Data — Stream Photographs

PHOTO POINT 8 - Carpenter Bottom R1- upstream PHOTO POINT 8 - Carpenter Bottom R1- downstream
(03/06/2023) (03/06/2023)
PHOTO POINT 9 - UT1- upstream (03/06/2023) 1 PHOTO POINT 9 - UT1- downstream (03/06/2023) 1
PHOTO POINT 9A - UT1- upstream (03/06/2023) I PHOTO POINT 9A - UT1- downstream (03/06/2023) I
WCarpenter Bottom Mitigation Site
Appendix A -Visual Assessment Data —Stream Photographs

PHOTO POINT 10 - UT2 - upstream (03/06/2023) 1 PHOTO POINT 10 - UT2 - downstream (03/06/2023) 1
PHOTO POINT 11- UT3 - upstream (03/06/2023) 1 PHOTO POINT 11- UT3 - downstream (03/06/2023) 1
PHOTO POINT 12 - UT4 - upstream (03/06/2023) I PHOTO POINT 12 - UT4 - downstream - (03/06/2023) I
Carpenter Bottom Mitigation Site
Appendix A - Visual Assessment Data — Stream Photographs

VEGETATION PLOT PHOTOGRAPHS

PERMANENT VEG PLOT 1 (8/17/2023) 1 PERMANENT VEG PLOT 2 (8/17/2023) 1
PERMANENT VEG PLOT 3 (8/17/2023) 1 PERMANENT VEG PLOT 4 (8/17/2023) 1
MJJNW,7!jl
�..
PERMANENT VEG PLOT 5 (8/17/2023) I PERMANENT VEG PLOT 6 (8/17/2023)
WCarpenter Bottom Mitigation Site
Appendix A - Visual Assessment Data - Vegetation Plot Photographs

PERMANENT VEG PLOT 7 (8/17/2023) 1 PERMANENT VEG PLOT 8 (8/17/2023) 1
PERMANENT VEG PLOT 9 (8/17/2023) 1
MOBILE VEG PLOT 1 (8/17/2023) I MOBILE VEG PLOT 2 (8/17/2023)
WCarpenter Bottom Mitigation Site
Appendix A - Visual Assessment Data - Vegetation Plot Photographs

WCarpenter Bottom Mitigation Site
Appendix A - Visual Assessment Data - Vegetation Plot Photographs

GROUNDWATER GAGE PHOTOGRAPHS

GROUNDWATER GAGE 1 (7/3/2023) 1 GROUNDWATER GAGE 2 (7/3/2023) 1
GROUNDWATER GAGE 3 (7/3/2023) 1 GROUNDWATER GAGE 4 (7/3/2023) 1
GROUNDWATER GAGE 5 (7/3/2023) 1 GROUNDWATER GAGE 6 (7/3/2023) 1
WCarpenter Bottom Mitigation Site
Appendix A - Visual Assessment Data - Groundwater Gage Photographs

t �.
I
I
3
1i
Af
le,
i Y 1

GROUNDWATER GAGE 13 (7/3/2023) I
WCarpenter Bottom Mitigation Site
Appendix A - Visual Assessment Data - Groundwater Gage Photographs

STREAM AND CREST GAGE PHOTOGRAPHS

STREAM GAGE 1 (7/3/2023) 1 STREAM GAGE 2 (11/14/2023) 1
STREAM GAGE 3 (7/3/2023) 1 STREAM GAGE 4 (7/3/2023) 1
CREST GAGE 5 (11/14/2023) 1
Carpenter Bottom Mitigation Site
Appendix A - Visual Assessment Data - Stream Gage Photographs

AREAS OF CONCERN PHOTOGRAPHS

WCarpenter Bottom Mitigation Site
Appendix A - Visual Assessment Data — Areas of Concern Photographs

PHOTOGRAPHS OF STREAM FLOW

Photo 1— UT1— High flow, above thalweg but below bankfull
(7PM) (03/03/2023)
MIT r
Ate.
zi
N J
c
040.
Photo 2 — UT1— High flow (6PM) just prior to the bankfull event
(3AM the following morning) (04/27/2023)
Photo 3 — UT1— Typical blocked view (10PM) (07/02/2023) Photo 4 — UT1— No flow. This photo was taken during a site visit
and confirms the water level data shown in the Recorded in -
Stream Flow Events Plot (11/14/2023)
Photo 5 — UT1— Cross-section photo confirming no flow over the riffle (07/03/2023) I
WCarpenter Bottom Mitigation Site
Appendix A -Visual Assessment Data —Game Camera Photographs of Stream Flow

Photo 6 — UT2 — High flow, above thalweg but below bankfull Photo 7 — UT2 — Bankfull event (3AM) (04/28/2023)
(3PM) (06/20/2023)
Photo 8 — UT2 — Typical blocked view (12AM) (08/23/2023) Photo 9 — UT2 — No flow. This photo was taken during a site visit
and confirms the water level data shown in the Recorded in -
Stream Flow Events Plot (11/14/2023)
Photo 10 — UT2 — Photo point 10 confirming flow (03/06/2023) I
WCarpenter Bottom Mitigation Site
Appendix A -Visual Assessment Data —Game Camera Photographs of Stream Flow

APPENDIX B. Vegetation Plot Data

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Table 8a. Baseline Stream Data Summary
Carpenter Bottom Mitigation Site
DMS Project No. 100090
Monitoring Year 2 - 2023
Parameter
MONITORING
CONDITIONSDESIGN •
Carpenter Branch R1
Riffle Only
Min I Max
n
Min I Max
Min
Max
n
Bankfull Width (ft)
10.2
1
7.5
9.2
12.2
6
Floodprone Width (ft)
14.2
1
17.0 1 26.0
44.4
68.1
6
Bankfull Mean Depth
0.7
1
0.6
0.5
0.8
6
Bankfull Max Depth
1.2
1
0.7 1 0.9
0.9
1.2
6
Bankfull Cross Sectional Area (ftz)
7.0
1
4.4
5.3
8.2
6
Width/Depth Ratio
14.9
1
12.5
14.4
22.7
6
Entrenchment Ratio
1.4
1
2.2
3.5
4.6
5.6
6
Bank Height Ratio
3.4
1 1
1.0
1.1
1.0
1 1.0
6
Max part size (mm) mobilized at bankfull
37 / 90
32 / 81
46
61
6
Rosgen Classification
G4
C4
C4
Bankfull Discharge (cfs)
14.0
14.0
14.0
Sinuosity
1.1
1.2
1.2
Water Surface Slope (ft/ft)z
0.0130
0.0120
0.0109
Other
--
--
--
Parameter
UT1
Riffle Only
Min I Max
n
Min I Max
Min Max
n
Bankfull Width (ft)
3.1
1
5.0
8.0
1
Floodprone Width (ft)
4.2
1
11.0 1 18.0
55.5
1
Bankfull Mean Depth
0.6
1
0.4
0.3
1
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0.8
1
0.5 1 0.6
0.6
1
Bankfull Cross Sectional Area (ftz)
1.8
1
1.9
2.3
1
Width/Depth Ratio
5.2
1
12.5
27.6
1
Entrenchment Ratio
1.4
1
2.2
3.5
6.9
1
Bank Height Ratio
6.1
1
1.0
1.1
1.0
1
Max part size (mm) mobilized at bankfull
--
--
41
1
Rosgen Classification
G4/5
C4
C4
Bankfull Discharge (cfs)
6.8
6.0
6.0
Sinuosity
1.1
1.3
1.2
Water Surface Slope (ft/ft)z
0.0258
0.0200
0.0153
Other
--
--
--
1. ER for the baseline/monitoring parameters are based on the width of the cross-section, in lieu of assuming the width across the
floodplain.
2. Channel slope is calculated from the surface of the channel bed rather than water surface.
( --- ): Data was not provided, N/A: Not Applicable

Table 8b. Baseline Stream Data Summary
Carpenter Bottom Mitigation Site
DMS Project No. 100090
Monitoring Year 2 - 2023
Parameter
CONDITIONS
UT3
MONITORING
Riffle Only
Min I
Max
n
Min
I
Max
Min I
Max
n
Bankfull Width (ft)
9.5
1
6.0
8.4
1
Floodprone Width (ft)
N/A
1
13.0
1
21.0
52.6
1
Bankfull Mean Depth
0.3
1
0.5
0.6
1
Bankfull Max Depth
0.7
1
0.6
1
0.8
0.9
1
Bankfull Cross Sectional Area (ftz)
2.8
1
2.9
5.1
1
Width/Depth Ratio
31.9
1
12.0
14.0
1
Entrenchment Ratio
N/A
1
2.2
3.5
6.2
1
Bank Height Ratio
1.3
1
1.0
1.1
1.0
1
Max part size (mm) mobilized at bankfull
--
--
48
1
Rosgen Classification
G4/5
C4b
C4b
Bankfull Discharge (cfs)
6.2
8.0
8.0
Sinuosity
1.0
1.2
1.1
Water Surface Slope (ft/ft)z
0.0260
0.0230
0.0237
Other
---
---
1. ER for the baseline/monitoring parameters are based on the width of the cross-section, in lieu of assuming the width across the
floodplain.
2. Channel slope is calculated from the surface of the channel bed rather than water surface.
( --- ): Data was not provided, N/A: Not Applicable

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APPENDIX D. Hydrology Data

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Table 12b. Wetland Gage Summary
Carpenter Bottom Mitigation Site
DMS Project No. 100090
Monitoring Year 2 - 2023
Max. Consecutive Hydroperiod (Percentage)
Gage
MY1 (2022)
MY2 (2023)
MY3 (2024)
MY5 (2025)
MY5 (2026)
MY6 (2027)
MY7 (2028)
107 Days
245 Days
Reference1
(43.7%)
(100.0%)
1
59 Days
96 Days
(24.1%)
(39.2%)
45 Days
53 Days
2
(18.4%)
(21.6%)
34 Days
38 Days
3
(13.9%)
(15.5%)
48 Days
59 Days
4
(19.6%)
(24.1%)
45 Days
54 Days
5
(18.4%)
(22.0%)
14 Days
35 Days
6
(5.7%)
(14.3%)
48 Days
71 Days
7
(19.6%)
(29.0%)
8 Days
6 Days
8
(3.3%)
(2.4%)
15 Days
22 Days
9
(6.1%)
(9.0%)
42 Days
55 Days
10
(17.1%)
(22.4%)
51 Days
71 Days
11
(20.8%)
(29.0%)
12
N/AZ
5 Days
3
(14.3%)
13
N/AZ
2
1 Days
(8 6%)
Performance Standard: 30 Days (12%)
WETS Station: LINCOLNTON 4W (37109) <http://agacis.rcc-acis.org/?fips=37109>
Growing Season: 03/15 to 11/14 (245 Days)
1 Reference well is located approximately 6.7 miles NW of the Site
z Wells 12 and 13 installed during MY2 (01/2023)

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Proiect Location.
Purpose of Gauae. Water Table Monitoring
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Game ID.
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Total Well Casino Length (A):
Well Casing Height Above Ground (B):
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APPENDIX E. Project Timeline and Contact Info

Table 14. Project Activity and Reporting History
Carpenter Bottom Mitigation Site
DMS Project No. 100090
Monitoring Year 2 - 2023
Activity or Deliverable -A
Project Instituted
Mata Collection C `
ompelLeliverable
N/A
Task Completion o
Submissio
October 9, 2018
Mitigation Plan Approved
December 2020
December 2020
Construction (Grading) Completed
N/A
July 2021
As -Built Survey Completed
August -September 2021
September 2021
Planting Completed
N/A
February 2022
Baseline Monitoring
Document (Year 0)
Stream Survey
August -September 2021
April 2022
lVegetation Survey
February 2022
Invasive Treatment
July, November 2022
Year 1 Monitoring
Istream Survey
August 2022
November 2022
Vegetation Survey
Invasive Treatment
January - August 2023
Year 2 Monitoring
Stream Survey
July 2023
November 2023
Vegetation Survey
August 2023
Year 3 Monitoring
Stream Survey
Vegetation Survey
Year 4 Monitoring
Year 5 Monitoring
Stream Survey
Vegetation Survey
Year 6 Monitoring
Year 7 Monitoring
Stream Survey
Vegetation Survey
Table 15. Project Contact Table
Carpenter Bottom Mitigation Site
DMS Project No. 100090
Monitoring Year 2 - 2023
Designer
Wildlands Engineering, Inc.
Eric Neuhaus, PE
167-B Haywood Rd
Asheville, NC 28806
828.774.5547
Construction Contractor
Wildlands Construction, Inc.
1430 S. Mint St., Suite 104
Charlotte, NC 28203
Planting Contractor
Bruton Natural Systems, Inc.
PO Box 1197
Fremont, NC 27830
Seeding Contractor
Canady's Landscape & Erosion Control, LLC.
Nursery Stock Supplies
Bruton Natural Systems, Inc.
Herbaceous Plugs
Wetland Plants, Inc.
Monitoring Performers
Wildlands Engineering, Inc.
Monitoring, POC
Mimi Caddell
828.774.5547 x107

APPENDIX F. Additional Documentation

WILDLANDS
ENGINEERING
July 26, 2022
ATTN: Ms. Kim Isenhour
Mitigation Project Manager, Regulatory Division
U.S. Army Corps of Engineers
69 Darlington Avenue
Wilmington, NC 28403-1343
RE: Carpenter Bottom Mitigation Site - MYO Report Comments
Catawba River Basin — CU# 03040101, Gaston County
USACE Action ID No. SAW-2018-02062
NCDWR Project No. 20190049
DMS Project ID No. 100090, Contract # 7731
Dear Ms. Kim Isenhour,
Thank you for your comments in the email dated July 7, 2022 referencing the Carpenter Bottom
Mitigation Site Monitoring Year 0 (MYO) Report. Wildlands Engineering, Inc. (Wildlands) has reviewed
these comments and our responses are noted below.
Kim Isenhour, USACE:
1. How deep are the floodplain pools where the relic channel meander features were located? On
recent site visits, we've noted several instances of floodplain pools being left as open water in areas
where the mitigation plans calls for planted buffers. The majority of these pools have been deep
enough that they will not dry seasonally and allow for herbaceous or woody vegetation
establishment.
Wildlands Response: At the location of the relic channel meander features, the floodplain pool
is around 1.5' deep. The floodplain pools were designed with a max depth of 2.0' and were
intended to draw down seasonally. Vegetation growth will be monitored in floodplain pools and
reported on in the MY1 report.
Kim Isenhour, USACE response (July 28, 2022): These features should be no more than 18-inches
deep and should dry seasonally (ideally toward the end of spring), not draw down. The idea is
that the pools will have dry periods that prevent predator species from surviving. The size of
constructed ephemeral pools should be limited to prevent the formation of gaps within the tree
canopy and minimize the risk of invasive plant colonization. You should also take into account
the target vegetation community for the project. For example, ephemeral pools may develop
herbaceous vegetative growth that may persist for a long period rather than the targeted
forested community.
Wildlands Response: The condition of the floodplain pools is discussed in more detail in
section 2.6 — Wetland Hydrology Assessment of the MY1 report. Two of the four
floodplain pools were existing wetland areas protected during construction, so their
hydrologic functionality and their vegetation communities are assumed to be
comparable to the existing conditions. When the Site was assessed on September 1,

2022, three of the pools had dried up completely and only the most upstream pool had
a small area of standing water approximately 0.5 feet deep. The targeted forested
community can still develop an enclosed canopy over and around these floodplain pools
as they are only 27-feet wide. Consequently, these four pools are not a concern for the
success and functionality of the completed project. See the MY1 report for photo
documentation of the floodplain pools.
2. In future monitoring years, please capture some of the wetland rehabilitation areas with mobile veg
plots.
Wildlands Response: Mobile veg plots will be positioned to capture wetland rehabilitation areas
starting in MY2 as mobile vegetation plots are typically stationary between MYO and MY1.
3. Thank you for including the soil profile descriptions at each groundwater gauge. It would have been
helpful to include a table with the pre -construction gauge data.
Wildlands Response: A summary table of pre -construction gage data will be included in future
as -built monitoring reports.
4. Pebble counts were included in the data. Do you plan to keep this as a performance standard
through monitoring?
Wildlands Response: Pebble counts were included in the MYO report as part of the baseline
data collection as described in the Mitigation Plan. However, pebble counts will not be collected
for the MY1-MY7 reports, unless requested by the IRT or deemed necessary based on best
professional judgement. This is documented in Section 3.3 (Stream Assessment) of the MYO
report.
5. Photo Point 12, outside the easement, appears to be a source of offsite sediment/nutrients.
Wildlands Response: Sediment in photo point 12 is from recent fencing work at the Site.
Upstream of UT4 is wooded and stable.
Erin Davis, NCDWR:
1. DWR would like to reiterate DMS' comments/questions on the high riffles and gauge ben tonite seals.
WEI's responses were fine, but please closely observe these areas during MY1 and address as
needed.
Wildlands Response: These items/concerns will be noted in future monitoring reports.
2. What are the max. depths of the floodplain pools? (may include response in MY1 report)
Wildlands Response: The floodplain pools were designed with a max depth of 2.0' and were
intended to draw down seasonally. Vegetation growth will be monitored in floodplain pools and
reported on in the MY1 report.
DWR appreciated that invasives were inventoried and treated pre -construction. And we were glad to
see woody debris was added to the floodplain pools. DWR is ok with the proposed credit release. No
site visit requested.
Wildlands Response: Thank you for your comments.
Todd Bowers, USEPA:
1. All 13 vegetation plots met the interim success criteria and are on track to meet the final success
criteria required for MY7, and no species dominance per plot was greater than 50%. Morphological

WILDLANDS
ENGINEERING
surveys conducted throughout the Site show all streams as stable and functioning as designed.
Eleven groundwater wells were established at baseline conditions to monitor wetland hydrology
within both wetland re-establishment and rehabilitation areas. Wetland hydrologic data will be
collected and reported during MY1. No adaptive management plan needed at this time. No issues of
conservation easement encroachment.
Wildlands Response: Thank you, we acknowledge the comments.
2. Table 2a: I recommend adding a visual confirmation that the objective of excluding livestock from
the conservation easement is being met. Visual confirmation can include no sign of hoof shear or
cattle excrement within the project boundaries. Trampled streams and vegetation, broken fence,
destroyed banks from hooves and excrement would be positive indications of that objective not
meeting standards.
Wildlands Response: A visual confirmation of cattle exclusion will be added to Table 2A in the
MY1 report.
Overall, I am very satisfied with the report and the work that Wildlands has completed at the
site. Having not been able to visit this location, I really appreciated the detailed ground -level stream
and veg plot photos to illustrate the amount of work implemented. I recommend the appropriate
credit release (Milestone 2) for warm stream and riparian wetland mitigation units for this
monitoring milestone. I have no other substantial comments at this time.
Wildlands Response: Thank you, we acknowledge the comments.
As requested, Wildlands has addressed these comments and the updates are included in the MY1
Report. A copy of this comment/response letter will be included in the Appendix of the MY1 Report. If
you have any questions, please feel free to contact me. Thank you!
Sincerely,
Eric Neuhaus
Senior Environmental Scientist
[e-mail]