20120064 Ver 1_Year 4 Monitoring Report_2019_20200323

ID#* 20120064 Version* 1
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Mac Haupt
Initial Review Completed Date 03/23/2020
Mitigation Project Submittal - 3/23/2020
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rJ Stream rJ Wetlands [Buffer ❑ Nutrient Offset
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Harry Tsomides
Project Information
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ID#:* 20120064
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F DMS r Mitigation Bank
Crooked Creek II
Union
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Mitigation Monitoring Report
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MONITORING YEAR 4
ANNUAL REPORT
Final
CROOKED CREEK #2 RESTORATION PROJECT
Union County, NC
DEQ Contract 6617
DMS Project Number 94687
USACE Permit No. SAW-2011-02201
Data Collection Period: April — November 2019
Submission Date: January 17, 2020
PREPARED FOR:
NC Department of Environmental Quality
Division of Mitigation Services
1652 Mail Service Center
Raleigh, NC 27699-1652

PREPARED BY:
WTLDLANDS
E N G I N E E R I N G
1430 South Mint Street, Suite 104
Charlotte, NC 28203
Phone: [phone]
Fax: [phone]

WILDLANDS
ENGINEERING
January 17, 2020
Mr. HarryTsomides
NC Department of Environmental Quality
Division of Mitigation Services
5 Ravenscroft Dr., Suite 102
Asheville, NC 28801
RE: Crooked Creek II Mitigation Site -Year 4 Monitoring Report
Final Submittal for DMS
DMS ID 94687
DEQ Contract Number D09126S
Yadkin Pee -Dee River Basin — CU# 03040105; Union County, NC
Dear Mr. Tsomides:
Wildlands Engineering, Inc. (Wildlands) has reviewed the Division of Mitigation Services (DMS)
comments and observations from the Crooked Creek II Mitigation Site Draft Year 4 Monitoring Report.
The following are Wildlands responses to your comments and observations from the report noted in
italics lettering.
DMS Comment; Continuous flow gauge graph for UT1(reflecting 116 consecutive days of flow
described in section 1.2.5) is missing from Appendix 5.
Wildlands Response, Wildlands has updated Appendix 5 to include flow gage for UT1.
DMS Comment; Please address digital submittal comments sent by email on 12/6/2019.
Wildlands Response, Wildlands has updated all digital submittal files based on DMS comments.
DMS Comment; Asset table footnote has a typo. Also there is no need to reference any emails
relevant to the one sided stream segment it is generally recognized that one-sided stream buffers do
not yield credits.
Wildlands Response, Wildlands has updated the footnote text for the Asset table.
DMS Comment; Section 1.3 — Executive summary, paragraph 5- "MY two" should read "MY2".
Wildlands Response, Wildlands has updated this text in the executive summary.
Wildlands Engineering, Inc. • phone [phone] • fax [phone] • 1430 S. Mint Street, # 104 • Charlotte, NC 28203

WILDLANDS
ENGINEERING
DMS Comment; Project overview- Paragraph 1 ends with an incomplete sentence.
Wildlands Response; Wildlands has revised the sentence in the project overview.
Enclosed please find two (2) hard copies of the Year 4 Final Monitoring Report and one (1) CD with the
final electronic files for DMS distribution. Please contact me at 704-941-9093 if you have any questions.
Sincerely,
Kirsten Y. Gimbert
Project Manager
[e-mail]
Wildlands Engineering, Inc. • phone [phone] • fax [phone] • 1430 S. Mint Street, # 104 • Charlotte, NC 28203

EXECUTIVE SUMMARY
Wildlands Engineering, Inc. (Wildlands) completed a design -bid -build project at the Crooked Creek #2
Mitigation Site (Site) for the North Carolina Division of Mitigation Services (DMS) to restore and enhance
5,599 linear feet (LF) of perennial streams, enhance 1.0 acre of existing wetlands, restore and create
10.5 acres of wetlands, and restore and enhance 70,936 square feet (SF) of riparian buffer in Union
County, NC. The Site is expected to generate 3,242.600 stream mitigation units (SMUs), 8.4 wetland
mitigation units (WMUs), and 1.24 buffer mitigation units (BMU) for the Goose Creek watershed (Table
1). The Site is located off NC Highway 218 in the northern portion of Union County, NC in the Yadkin
Pee -Dee River Basin; eight -digit Cataloging Unit (CU) 03040105 and the 14-digit Hydrologic Unit Code
(HUC) 03040105040010 (Figure 1). The project streams consist of two unnamed tributaries (UT) to
Crooked Creek, UT1 and UT2, and two reaches of the Crooked Creek mainstem (Reach A and Reach B)
(Figure 2). Crooked Creek flows into the Rocky River 4 miles northeast of the Site near Love Mill Road at
the Stanly County line. The adjacent land to the streams and wetlands is primarily maintained for
agricultural and residential uses.
The Site is within a Targeted Local Watershed (TLW) in the Lower Yadkin Pee -Dee River Basin
Restoration Priority Plan (RBRP) (NCEEP, 2009). The Site is also located within the Goose Creek and
Crooked Creek Local Watershed Plan (LWP). The final watershed management plan (WMP) for Goose
Creek and Crooked Creek was completed in July 2012 (NCEEP, 2012). The stressors to watershed
function identified in the WMP were sediment pollution and increases in peak stream flows resulting in
impairments to aquatic habitat and aquatic life. Stream enhancement and restoration were identified as
the best management opportunities to offset these impacts. Other stressors identified included
nonpoint source runoff, degraded terrestrial habitat, and disconnected floodplains. Wetland
enhancement and restoration was also identified as a best management opportunity to offset impacts
related to these stressors. The wetland portion of the project was identified as a specific priority in the
Project Atlas that accompanies the 2012 WMP.
The project goals established in the mitigation plan (Wildlands, 2013) were completed with careful
consideration of goals and objectives that were described in the RBRP and to address stressors
identified in the LWP. The following project goals established include:
• Improve wetland hydrologic connectivity;
• Decrease sediment input into stream;
• Create appropriate terrestrial habitat;
• Decrease water temperature and increase dissolved oxygen concentrations; and
• Decrease nutrient and adverse chemical levels.
Overall, the Site in Monitoring Year (MY) four appears to be on track to meet the year seven
requirements. Subsequent annual monitoring will be performed for seven years with an expected
closeout in 2023.
MY4 assessments were completed between April and November 2019. The planted vegetation on the
Site appears to be doing well with only isolated patches of invasive species present in MY4. The average
planted stem density for the Site is 550 stems per acre and is on track to meet the interim year five
requirement of 260 stems per acres. Following the January 2018 supplemental planting, all 12
vegetation plots exceeded the year five success criteria. The average stem height for the Site is 7.38 feet
trending toward meeting the year seven 10-foot requirement. Channel dimension and profiles on UT1
appear stable and functioning as designed. Groundwater hydrologic success criteria was achieved in
nine of the ten groundwater monitoring gages. Although the success criteria for bankfull for the project
was met in MY2, additional bankfull events were recorded in MY4 on project streams.
Crooked Creek #2 Restoration Project
Monitoring Year 4 Annual Report —FINAL

CROOKED CREEK #2 RESTORATION PROJECT
Monitoring Year 4 Annual Report
TABLE OF CONTENTS
Section 1:
PROJECT OVERVIEW.......................................................................................................
1-1
1.1
Project Goals and Objectives.....................................................................................................1-1
1.2
Monitoring Year 4 Data Assessment..........................................................................................1-2
1.2.1
Vegetation Assessment......................................................................................................1-2
1.2.2
Vegetation Areas of Concern.............................................................................................1-2
1.2.3
Stream Assessment............................................................................................................1-3
1.2.4
Stream Areas of Concern...................................................................................................1-3
1.2.5
Hydrology Assessment.......................................................................................................1-3
1.2.6
Wetland Assessment..........................................................................................................1-3
1.2.7
Wetland Areas of Concern.................................................................................................1-4
1.3
Monitoring Year 4 Summary......................................................................................................1-4
Section2:
METHODOLOGY.............................................................................................................2-1
Section3:
REFERENCES...................................................................................................................
3-1
APPENDICES
Appendix 1
General Tables and Figures
Figure 1
Project Vicinity Map
Figure 2
Project Component/Asset Map
Table 1
Project Components and Mitigation Credits
Table 2
Project Activity and Reporting History
Table 3
Project Contact Table
Table 4
Project Information and Attributes
Table 5
Monitoring Component Summary
Appendix 2 Visual Assessment Data
Figure 3.0-3.6 Integrated Current Condition Plan View
Table 6 Visual Stream Morphology Stability Assessment Table
Table 7 Vegetation Condition Assessment Table
Vegetation Photographs
Stream and Wetland Photographs
Appendix 3 Vegetation Plot Data
Table 8 Vegetation Plot Criteria Attainment
Table 9 CVS Vegetation Plot Metadata
Table 10 Planted and Total Stem Counts (Species by Plot with Annual Mean)
Appendix 4 Morphological Summary Data and Plots
Table 11 Baseline Stream Data Summary
Table 12 Morphology and Hydraulic Summary (Dimensional Parameters — Cross-section)
Table 13 Monitoring Data —Stream Reach Data Summary
Cross-section Plots
Reachwide and Cross-section Pebble Count Plots
Appendix 5 Hydrology Summary Data and Plots
Table 14 Verification of Bankfull Events
Table 15 Wetland Gage Attainment Summary
Groundwater Gage Plots and Stream Gage Plot
Rainfall Plot
Bankfull Event Photographs
Crooked Creek #2 Restoration Project
Monitoring Year 4 Annual Report— FINAL

Section 1: PROJECT OVERVIEW
The Crooked Creek #2 Mitigation Site (Site) is located in the Yadkin Pee -Dee River Basin; eight -digit
Cataloging Unit (CU) 03040105 and the 14-digit Hydrologic Unit Code (HUC) 03040105040010 (Figure 1).
The Site is located off NC Highway 218 in the northern portion of Union County, NC (Figure 1). Located in
the Carolina Slate Belt of the Piedmont Physiographic Province (USGS, 1998), the project watershed
includes primarily agricultural forested and developed land. The drainage area for the project Site is
24,619 acres. The project streams consist of two streams that underwent Stream Enhancement,
Crooked Creek and UT2, as well as UT1 which underwent Stream Restoration.
The Site is located within a Targeted Local Watershed (TLW) in the Lower Yadkin Pee -Dee River Basin
Restoration Priority Plan (RBRP) (NCEEP, 2009). The Site is also located within the Goose Creek and
Crooked Creek Local Watershed Plan (LWP). The final watershed management plan (WMP) for Goose
Creek and Crooked Creek was completed in July 2012 (NCEEP, 2012). The stressors to watershed
function identified in the WMP were sediment pollution and increased peak stream flows resulting in
impairments to aquatic habitat and aquatic life. Stream enhancement and restoration were identified as
the best management opportunities to offset these impacts. Other stressors identified included
nonpoint source runoff, degraded terrestrial habitat, and disconnected floodplains. Wetland
enhancement and restoration was also identified as a best management opportunity to offset impacts
related to these stressors. The wetland portion of the project was identified as a specific priority in the
Project Atlas that accompanies the 2012 WMP.
Prior to construction activities, the streams on the Site had been channelized and the adjacent
floodplain wetland areas had been cleared and ditched to provide drainage for surrounding pasture.
These land use activities resulted in bank instability due to erosion and livestock access, lack of riparian
buffer, and altered hydrology. Stream Incision, lateral erosion, and widening also resulted in degraded
aquatic and benthic habitat, reduction in quality and acreage of riparian wetlands, and lowered
dissolved oxygen levels in the stream. Table 4 in Appendix 1 and Table 11 in Appendix 4 present the
post -restoration conditions in more detail.
1.1 Project Goals and Objectives
This mitigation Site is intended to provide numerous ecological benefits within the Yadkin Pee -Dee River
Basin. While many of these benefits are limited to the Crooked Creek project area, others, such as
pollutant removal, reduced sediment loading, and improved aquatic and terrestrial habitat, have
farther -reaching effects. Expected improvements to water quality and ecological processes are outlined
below as project goals and objectives.
The project goals established in the mitigation plan (Wildlands, 2013) were completed with careful
consideration of goals and objectives that were described in the RBRP and to address stressors
identified in the LWP. The following project goals established include:
• Improve wetland hydrologic connectivity;
• Decrease sediment input into stream;
• Create appropriate terrestrial habitat;
• Decrease water temperature and increase dissolved oxygen concentrations; and
• Decrease nutrient and adverse chemical levels.
Crooked Creek #2 Restoration Project
Monitoring Year 4 Annual Report— FINAL 1-1

The project objectives have been defined as follows:
• Construct stream channels that will remain relatively stable over time and adequately transport
their sediment loads without significant erosion or aggradation;
• Construct stream channels that maintain riffles with coarse bed material and pools with finer
bed material;
• Provide aquatic and benthic habitat diversity in the form of pools, riffles, woody debris, and in -
stream structures;
• Add riffle features and structures and riparian vegetation to decrease water temperatures and
increased dissolved oxygen to improve water quality;
• Construct stream reaches so that floodplains and wetlands are frequently flooded to provide
energy dissipation, detain and treat flood flows, and create a more natural hydrologic regime;
• Construct fencing to keep livestock out of the streams;
• Raise local groundwater table through raising stream beds and plugging agricultural drainage
features;
• Perform minor grading in wetland areas as necessary to promote wetland hydrology; and
Plant native tree species to establish appropriate wetland and floodplain communities and
retain existing, native trees where possible.
1.2 Monitoring Year 4 Data Assessment
Annual monitoring was conducted between April and November 2019 to assess the condition of the
project. The success criteria for the Site follows the approved success criteria presented in the Crooked
Creek #2 Project Mitigation Plan (Wildlands, 2013).
1.2.1 Vegetation Assessment
A total of 12 standard 10-meter by 10-meter permanent vegetation plots were established during the
baseline monitoring within the project easement area. The final vegetative success criteria will be the
survival of 210 planted stems per acre in the riparian corridor along restored and enhanced reaches at
the end of the seven-year monitoring period (MY7). The interim measure of vegetative success for the
Site will be the survival of at least 260 stems per acre at the end of the fifth -year of monitoring (MY5). In
addition, planted vegetation must average 10 feet in height in each plot at the end of the seventh -year
of monitoring.
The MY4 vegetation survey was completed in August 2019 resulting in an average stem density of 550
stems/acre. All 12 vegetation plots meet the year five interim requirement of 260 stems/acre, with an
average of 14 stems per plot. The average stem heights per plot is greater than five feet for all plots
except plot 12, which has an average stem height of 4.3 feet. The MY4 average stem height for the Site
is 7.38 feet. Overall, the planted stem height appears to be trending toward meeting the 10-foot
requirement. This improvement in planted stem density and height from MY2 is a result of the
supplemental planting that occurred in January 2018.
In many of the plots, dense herbaceous cover and vine strangulation is affecting planted stem growth.
The concern in subsequent monitoring years remains that stems growing in the plots will be choked by
herbaceous cover and affect the vigor of the stems compared to those growing in less densely covered
areas. Please refer to Appendix 2 for vegetation plot photographs and the vegetation condition
assessment table and Appendix 3 for vegetation data tables.
1.2.2 Vegetation Areas of Concern
Generally, across the Site vegetation is doing well with only a few areas where invasive plant species
persist. The invasive species Johnson grass (Sorghum halepense) persists in small patches throughout
Crooked Creek #2 Restoration Project
Monitoring Year 4 Annual Report— FINAL 1-2

the Site. The native invasive species, cattail (Typha latifolia) is established in UT1 and continues to
colonize an area surrounding Vegetation Plot five. However, plot five is meeting criteria and does not
seem to be adversely impacted by the presence of cattail. The invasive vine species, such as Chinese
lantern (Physalis spp.), Japanese honeysuckle (Lonicera japonica), and morning glory (lpomoea sp.) are
also present on the Site. Chinese lantern and morning glory along the easement line are strangling the
stems in vegetation plot 10.
There was no further easement encroachment observed since the submittal of the MY4 Site Assessment
Report. The Site has responded well to treatment by Carolina Silvics that occurred throughout 2018.
Large patches of Chinese privet (Ligustrum sinense) along Crooked Creek Reach A and B were observed
with no re -sprouts during the Site walk. After invasive treatments in 2018, the percent of easement area
covered in invasive species lowered from 11% in MY3 to 2% of the easement in MY4. Refer to Appendix
2 for the vegetation condition assessment table and Integrated Current Condition Plan View (CCPV).
1.2.3 Stream Assessment
The MY4 morphological survey was conducted in April 2019. Results indicate that the channel
dimensions are stable and functioning as designed. In general, the cross -sections on UT1 show little to
no change in the bankfull area, maximum depth ratio, or width -to -depth ratio compared to baseline.
Surveyed riffle cross -sections continue to fall within the parameters defined for channels of the
appropriate Rosgen stream type (Rosgen, 1996). Although the low bank height ratio for cross-section 2
decreased from 1.0 to 0.9, only minor aggradation has been observed within the channel. This is most
likely related to the dense in -stream vegetation, however, UT1 continues to maintain appropriate
channel dimensions and is carrying flow during high flow events. Refer to Appendix 2 for the visual
stability assessment table, CCPV map, and stream photographs. Refer to Appendix 4 for the
morphological summary data and plots.
1.2.4 Stream Areas of Concern
The large tree debris jams observed on Crooked Creek's main stem are still present with localized areas
of bank erosion near the debris jams. Refer to Appendix 2 for the visual assessment and stream
photographs.
1.2.5 Hydrology Assessment
The success criteria for stream hydrology consisting of two bankfull events occurring in separate years
within the seven-year monitoring period was met during MY2. At least one bankfull event occurred on
Crooked Creek, UT1, and UT2 during the MY4 data collection using either gages or visual indicators, such
as wrack lines. Although stream baseflow is not part of the success criteria for the Site, UT1 is being
monitored and it has recorded 116 days of consecutive baseflow. Refer to Appendix 5 for hydrologic
plots and photographs of documented bankfull events.
1.2.6 Wetland Assessment
Ten groundwater monitoring gages (GWG 1-10) were installed during the baseline monitoring to provide
groundwater level data throughout the wetland areas. The target performance criteria for wetland
hydrology success consists of groundwater surface within 12 inches of the ground surface for 17
consecutive days (7.5 %) of the defined 227 day growing season for Union County (March 23 through
November 4) under typical precipitation conditions.
The number of gages meeting success criteria increased substantially from MY3 to MY4; from four to
nine gages meeting, respectively. Groundwater gage four missed meeting success criteria by one day (16
days (7.1%)). As demonstrated in the groundwater gage Table 15 and plots in Appendix 5, high
Crooked Creek #2 Restoration Project
Monitoring Year 4 Annual Report— FINAL 1-3

precipitation totals in the winter months most likely attributed to the increase in the number of gages
that met criteria early in the MY4 growing season. Precipitation data obtained from a nearby USGS rain
station indicated there was an 18% increase in rainfall for the months of January through March in MY4
(11.78 inches total) in comparison to MY3 (9.67 inches total). This increase in precipitation observed
during the winter months in MY4 falls within normal precipitation conditions as illustrated on the 30-70
percentile precipitation plot in Appendix 5. It is expected that the groundwater recharge observed in
MY4 will continue in subsequent monitoring years given similar patterns of precipitation occur.
Although groundwater gage four missed meeting the wetland hydrology success criteria by one day
(7.5%), it is possible that this gage could meet in future monitoring years as the wetland continues to
recharge and normal precipitation rates occur. Refer to Appendix 5 for the groundwater hydrology data
and plots.
1.2.7 Wetland Areas of Concern
The headcut previously reported in MY3 located in the Wetland Creation Zone B area has remained
stable. This area will continue to be monitored in subsequent monitoring years. There are no additional
areas of concern present within the wetland areas. Refer to Appendix 2 for wetland photographs.
1.i Monitoring Year 4 Summary
In general, the stream channel dimension and profile are stable and functioning as designed. UT1
contains vegetation over -growth but continues to carry flow during large precipitation events. The
average planted stem density of 550 stems/acre and the average planted stem height of 7.38 feet is on
track to meet the Site's MY7 success criteria. Nine of the ten groundwater gages met the performance
criteria in MY4, which is a significant improvement from previous monitoring years. The bankfull
hydrologic performance criteria was met in MY2, however, the streams are continuing to record bankfull
events. Lastly, the Site has responded well to previous supplemental plantings and invasive species
treatments and will continued to be monitored in subsequent years.
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. Narrative background and supporting
information formerly found in these reports can be found in the Mitigation Plan documents available on
DMS's website. All raw data supporting the tables and figures in the appendices are available from DMS
upon request.
Crooked Creek #2 Restoration Project
Monitoring Year 4 Annual Report— FINAL 1-4

Section 2: METHODOLOGY
Geomorphic data were collected following the standards outlined in The Stream Channel Reference Site:
An Illustrated Guide to Field Techniques (Harrelson et al., 1994) and in the Stream Restoration: A Natural
Channel Design Handbook (Doll et al., 2003). All Integrated Current Condition Mapping was recorded
using a Trimble handheld GPS with sub -meter accuracy and processed using Pathfinder and ArcGIS.
Crest gages and pressure transducers were installed in surveyed riffle cross -sections during annual Site
visits. Hydrologic monitoring instrument installation and monitoring methods are in accordance with the
United States Army Corps of Engineers (USACE, 2003) standards. Vegetation monitoring protocols
followed the Carolina Vegetation Survey-EEP Level 2 Protocol (Lee et al., 2008).
Crooked Creek #2 Restoration Project
Monitoring Year 4 Annual Report— FINAL 2-1

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.
Harrelson, Cheryl C; Rawlins, C.L.; Potyondy, John 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.
Lee, Michael T., Peet, Robert K., Steven D., Wentworth, Thomas R. 2008. CVS-EEP Protocol for Recording
Vegetation Version 4.2. Retrieved from: http://cvs.bio.unc.edu/protocol/cvs-eep-protocol-v4.2-lev1-
2.pdf
North Carolina Ecosystem Enhancement Program (NCEEP), 2009. Lower Yadkin Pee -Dee River Basin
Restoration Priorities. Retrieved from: http://deq.nc.gov/document/yadkin-pee-dee-rbrp-2009-final
North Carolina Ecosystem Enhancement Program (NCEEP), Tetra Tech, CCoG, 2012. Goose Creek and
Crooked Creek Local Watershed Plan. Retrieved from:
http://www.gooseandcrooked.org/documents/GooseandCrookedLWP-WMP_Final_7-2012.pdf
North Carolina Division of Mitigation Services and Interagency Review Team Technical Workgroup. 2018.
Standard Measurement of the BHR Monitoring Parameter. Raleigh, NC.
Rosgen, D.L. 1996. Applied River Morphology. Pagosa Springs, CO: Wildland Hydrology Books.
United States Army Corps of Engineers (USACE), 2003. Stream Mitigation Guidelines. USACE, NCDENR-
DWQ, USEPA, NCWRC.
United States Department of Agriculture (USDA), 2016. USDA Field Office Climate Data, WETS Table:
Monroe, NC5771 (1971-2000).
United States Geological Survey (USGS), 1998. North Carolina Geology. Retrieved from:
http://www.geology.enr.state.nc.us/usgs/coastaIp.htm
United States Geological Survey (USGS), 2016. Real Time Water Data for North Carolina. Retrieved from:
http://nc.water.usgs.gov/realtime/real_time_yadkin_peedee.html
Wildlands Engineering, Inc. (2013). Crooked Creek #2 Restoration Project Final Mitigation Plan. NCEEP,
Raleigh, NC.
Crooked Creek #2 Restoration Project
Monitoring Year 4 Annual Report— FINAL 3-1

APPENDIX 1. General Figures and Tables

1
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The subject project site is an environmental restoration site of
the North Carolina Department of Environmental Quality (DEQ)
Division of Mitigation Services (DMS) and is encompassed
Urne n; II)e
by a recorded conservation easement, but is bordered
10
' V
by land under private ownership. Accessing the site
may require traversing areas near or along the easement
Directions to Site:
boundary and therefore access by the general public is not
From Charlotte,NC take US-74 East, take 27 East/Albemarle Road.Travel on
permitted. Access by authorized personnel of state and
Albemarle Road approxim ately 8 miles to Interstate 485.
federal agencies or their designees/contractors involved in
Take Interstate 485 South (Inner Loop) for approximately 3
the development, oversight,and stewardship of the restoration
miles to exit 44 for NC Highwaw 218 toward Mint Hill.
site is permitted within the terms and timeframes of their
Turn Left off ramp on to NC218 and follow for approximately 7 miles.
defined roles. Any intended site visitation or activity by
The project site is located 0.85 miles after US 601/Concord Highway on the
any person outside of these previously sanctioned roles
right hand side of the road.
and activites requires prior coordination with DMS.
0304010507002
Figure 1 Project Vicinity Map
Crooked Creek #2 Restoration Project
WILDLANDS 1 0 0.5 1 Mile DMS Project No.94687
ENGINEERING - I I I I I Monitoring Year 4-2019
Union County, NC

- - - Powerline Easement
Crooked Creek Reach Break
Non-Project/Not for Credit Streams
Existing Overflow
Overflow Connector
Ditch (former UT1 channel)
-Stream Restoration
-Stream Enhancement II
® Wetland Enhancement Zone A (Drained Hydric Soils)
® Wetland Enhancement Zone B
Wetland Restoration Zone A (Drained Hydric Soils)
Wetland Creation Zone B
I _
Riparian Buffer Enhancement
Riparian Buffer Restoration
Conservation Easement
e\
_
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-
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a
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Figure 2 Project Component/Asset Map
WCrooked Creek #2 Restoration Project
W I L D L A N D S rk�
0 400 Feet DMS Project No. 94687
ENGINEERING
Monitoring Year 4 - 2019
Union County, NC

Table 1. Project Components and Mitigation Credits
Crooked Creek 42 Restoration Project Site
DIMS Project No. 94687
Monitoring Year 4 - 2019
MA Mitigation Credits
Stream Riparian Wetland Non -Riparian Wetland Buffer (sqft) Nitrogen Phosphorous
Nutrient Nutrient Offset
Type R
RE R
RE R
RE
Totals 3,242.2
N/A 7.900
0.500 N/A
N/A 54,135.33
N/A
As -Built
Existing Footage/
Stationing/
Acreage
Location
Restoration or Restoration
Approach
Equivalent
Restoration Footage/
Acreage
Mitigation
Ratio
Credits"'ReachlD
(SMU/ WMU)
STREAMS
Crooked Creek Reach A
202+20-215+55
1,555 LF
N/A
Enhancement II
1,335
2.5:1
534.000
Crooked Creek Reach B
215+55-236+78
2,404 LF
N/A
Enhancement II
2,123
2.5:1
849.200
UT1
100+47-117+18
1,762 LF
P1
Restoration
1,671
1:1
1,671.000
UT2
300+52-305+60
1 508 LF
N/A
Enhancement11
470
2.5:1
188.000
WETLANDS
Zone A (Drained Hydric
Soils)
N/A
0.7 AC
Enhancement
0.7
2:1
0.350
Zone A (Drained Hydric
Soils)
N/A
N/A
Restoration
6.6
1:1
6.600
Zone B
N/A
0.3 AC
Enhancement
0.3
2:1
0.150
Zone B
N/A
N/A
Creation
3.9
3:1
1.300
BUFFER
Goose Creek Buffer
N/A
25,201 sqft
Enhancement
25,201
3:1
8,400.33 sqft
Goose Creek Buffer
N/A
N/A
Restoration
45,735
1:1
45,735 sqft
•
, •
Restoration Level
Stream (LF)
Riparian Wetland
(acres)
Non -Riparian
(acres)
Buffer
(square feet)
Upland
(acres)
Riverine
Non-Riverine
Restoration
1,671
6.6
45,735
Enhancement
1.0
25,201
Enhancement I
Enhancement 11
3,928
Creation
3.9
1 ILT1 crediting starts downstream of the powerline right-of-way along Hwy 218.
2 UT2 crediting ends at Crooked Creek's top of bank.

Table 2. Project Activity and Reporting History
Crooked Creek #2 Restoration Project Site
DMS Project No. 94687
Monitoring Year 4 - 2019
Activity or Report
Mitigation Plan
Data Collection Complete
June 2011
Completion or Scheduled Delivery
August 2013
Final Design - Construction Plans
August 2011
April 2014
Construction
January 2015 - April 2015
January 2015 - April 2015
Temporary S&E mix applied to entire project area'
January 2015 - March 2015
January 2015 - March 2015
Permanent seed mix applied to reach/segments
January 2015 - March 2015
January 2015 - March 2015
Bare root and live stake plantings for reach/segments
January 2016
January 2016
Baseline Monitoring Document (Year 0)
January- February 2016
May 2016
Year 1 Monitoring
Stream Survey
August 2016
November 2016
Vegetation Survey
September 2016
Year 2 Monitoring
Stream Survey
April 2017
November 2017
Vegetation Survey
August 2017
Year 3 Monitoring
Invasive Treatment
January 2018
November 2018
Supplemental Planting
Stream Survey
April 2018
Invasive Treatment
May 2018
June 2018
Vegetation Survey
August 2019
Invasive Treatment
August 2018
October 2018
Year 4 Monitoring
Stream Survey
April 2019
November 2019
Vegetation Survey
August 2019
Year 5 Monitoring
Stream Survey
2020
November 2020
Vegetation Survey
2020
Year 6 Monitoring
Stream Survey
2021
November 2021
Vegetation Survey
2021
Year 7 Monitoring
Stream Survey
2022
November 2022
Vegetation Survey
2022
'Seed and mulch is added as each section of construction is completed.
Table 3. Project Contact Table
Crooked Creek #2 Restoration Project Site
DMS Project No. 94687
Monitoring Year 4 - 2019
Wildlands Engineering, Inc.
Designer
1430 South Mint Street, Suite 104
Aaron Earley, PE, CFM
Charlotte, NC 28203
704.332.7754
North State Environmental, Inc.
Construction Contractor
2889 Lowery Street
Winston Salem, NC 27101
Keller Environmental
Planting Contractor
7921 Haymarket Lane
Raleigh, NC 27615
Carolina Silvics
Supplemental Planting Contractor & Invasive Species Maintenance
908Indian Trail Road
Edenton, NC 27932
North State Environmental, Inc.
Seeding Contractor
2889 Lowery Street
Winston Salem, NC 27101
Seed Mix Sources
Green Resource, LLC
Nursery Stock Suppliers
Dykes & Son Nursery
Bare Roots
825 Maude Etter Rd.
Live Stakes
McMinnville, TN 37110
Monitoring Performers
Wildlands Engineering, Inc.
Kirsten Gimbert
Monitoring POC
704.941.9093

Table 4. Project Information and Attributes
Crooked Creek #2 Restoration Project Site
DMS Project No. 94687
Monitoring Year 4 - 2019
Project Name
Project Information Alp���
Crooked Creek#2 Restoration Project
County
Union County
Project Area (acres)
154.94
Project Coordinates (latitude and longitude)
Project
34" 58' 54.78"N, 080" 31' 25.79"W
Watershed Summary Information
Physiographic Province
Carolina Slate Belt of the Piedmont Physiographic Province
River Basin
Yadkin
USGS Hydrologic Unit 8-digit
03040105
USGS Hydrologic Unit 14-digit
03040105040010
DWR Sub -basin
03-07-12
Project Drainiage Area (acres)
24,619
Project Drainage Area Percentage of Impervious Area
28%
CGIA Land Use Classification
Agriculture 38%, Forested 29%, Developed 28%, Wetlands 3%, and Herbaceous Upland 2%
Reach Summary Information
Crooked Creek Crooked Creek
Parameters
UTl UT2
Reach A Reach B
Length of reach (linear feet) - Post -Restoration
1,555
2,404 1,671 195 1 275
Drainage area (acres)
24,619 153 51
NCDWR stream identification score
52 34.5 24.5 38
NCDWR Water Quality Classification
C
Morphological Desription (stream type)
P
P
P
I P
N/A
N/A
Stage III
Stage IV
Evolutionary trend (Simon's Model) - Pre- Restoration
Chewacala silt loam 0-
Chewacala silt loam 0-
Chewacala silt loam 0-
Underlying mapped soils
Badin cha nnery silt loam 8-15%slopes (BaC)
2%slopes (ChA)
2%slopes (ChA)
2%slopes (ChA)
Somewhat poorly
Somewhat poorly
Somewhat poorly
Drainage class
drained
drained
drained
Well drained
Soil hydric status
Type B (inclusions)
I Type B (inclusions)
Type B (inclusions)
N/A
Slope
0.0022
0.0047
0.0050
no regulated
Zone AE
Zone AE
no regulated floodplain
FEMA classification
floodplain
Native vegetation community
Piedmont Bottomland forest
Percent composition exotic invasive vegetation -Post -Restoration
5% 5% 60%
5%
Regulation
Applicable?
Resolved?
supporting Documentation
Waters of the United States - Section 404
X
X
USACE Nationwide Permit No.27 and DWQ
401 Water Quality Certification No. 3885.
Waters of the United States - Section 401
X
X
Action ID # 2011-02201
Division of Land Quality (Erosion and Sediment Control)
X
X
NPDES Construction Stormwater General
Permit NCG 010000
Crooked Creek #2 Mitigation Plan;
Wildlands determined "no effect" on Union
Endangered Species Act
X
X
County listed endangered species. June 21,
2011 email correspondence from USFWS
indicating no listed species occur on site.
No historic resources were found to be
Historic Preservation Act
X
X
impacted (letterfrom SHPO dated
6/23/2011).
Coastal Zone Management Act (CZMA)/Coastal Area Management Act
N/A
N/A
N/A
(CAMA)
Crooked Creek is a mapped Zone AE
floodplain with defined base flood
elevations. Base flood elevations have been
FEMA Floodplain Compliance
X
X
defined and the floodway has been
delineated; (FEMA Zone AE, FIRM panel
5540).
Essential Fisheries Habitat
N/A
N/A
N/A

Table S. Monitoring Component Summary
Crooked Creek #2 Restoration Project Site
DMS Project No. 94687
Monitoring Year 4 - 2019
Parameter
Monitoring Feature
Quantity / Length by Reach
Frequency
Crooked Creek
Reach A
Crooked Creek
Reach B
UT1
UT2
Wetlands
Riffle Cross -Section
N/A
N/A
2
N/A
N/A
Dimension
Pool Cross -Section
N/A
N/A
2
N/A
N/A
Annual
Pattern
Pattern
N/A
N/A
N/A
N/A
N/A
N/A
Profile
Longitudinal Profile
N/A
N/A
N/A
N/A
N/A
Year
Substrate
Reach Wide (RW)/ Riffle
100 Pebble Count (RF)
N/A
N/A
1 RW / 2 RF
N/A
N/A
Annual
Hydrology
Crest Gage
1
1
1
N/A
Quarterly
Hydrology
Groundwater Gages
N/A
N/A
N/A
N/A
10
Quarterly
Vegetation
Vegetation Plots
12
Annual
Visual Assessment
All Streams
Y
Y
Y
Y
Y
Semi -Annual
Exotic and nuisance
vegetation
Semi -Annual
Project Boundary
Semi -Annual
Reference Photos
Photo Points
34
Annual

APPENDIX 2. Visual Assessment Data

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Photo Point 1— UT1 looking upstream (4/1/2019) Photo Point 1— UT1 looking downstream (4/1/2019)
I1 '1117 OM
Photo Point 2 — UT1 looking upstream (4/1/2019) 1 Photo Point 2 — UT1 looking downstream (4/1/2019) 1
Photo Point 3 — UT1 looking upstream (4/1/2019) Photo Point 3 — UT1 looking downstream (4/1/2019)

Photo Point 4 — UT1 looking upstream (4/1/2019) Photo Point 4 — UT1 looking downstream (4/1/2019)
Photo Point 5
— UT1 looking upstream (4/1/2019)
Photo Point 5 — UT1 looking downstream (4/1/2019)
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Photo Point 6 — UT1 looking upstream (4/1/2019) 1 Photo Point 6 — UT1 looking downstream (4/1/2019) 1

Photo Point 7 — UT1 looking upstream (4/1/2019) 1 Photo Point 7 — UT1 looking downstream (4/1/2019) 1
Photo Point 8 — UT1 looking upstream (4/1/2019) 1 Photo Point 8 — UT1 looking downstream (4/1/2019) 1
Photo Point 9 — UT1 looking upstream (4/1/2019) 1 Photo Point 9 — UT1 looking downstream (4/1/2019) 1

Photo Point 10 — UT1 looking upstream (4/1/2019) 1 Photo Point 10 — UT1 looking downstream (4/1/2019) 1
Photo Point 11— UT1 looking upstream (4/1/2019) Photo Point 11— UT1 looking downstream (4/1/2019)
Photo Point 12 — UT1 looking upstream (4/1/2019) 1 Photo Point 12 — UT1 looking downstream (4/1/2019) 1

Photo Point 13 — UT1 looking upstream (4/1/2019) 1 Photo Point 13 — UT1 looking downstream (4/1/2019) 1
Photo Point 14 — UT1 looking upstream (4/1/2019) 1 Photo Point 14 — UT1 looking downstream (4/1/2019) 1
Photo Point 15 — UT1 looking upstream (4/1/2019) 1 Photo Point 15 — UT1 looking downstream (4/1/2019) 1

Photo Point 16 — UT1 looking upstream (4/1/2019) 1 Photo Point 16 — UT1 looking downstream (4/1/2019) 1
Photo Point 17 — UT1 looking upstream (4/1/2019) 1 Photo Point 17 — UT1 looking downstream (4/1/2019) 1
Photo Point 18 — UT1 looking upstream (4/1/2019) 1 Photo Point 18 — UT1 looking downstream (4/1/2019) 1

Photo Point 19 — UT1 looking upstream (4/1/2019) 1 Photo Point 19 — UT1 looking downstream (4/1/2019) 1
Photo Point 20 — UT1 looking upstream (4/1/2019) 1 Photo Point 20 — UT1 looking downstream (4/1/2019) 1
Photo Point 21— UT1 looking upstream (4/1/2019) 1 Photo Point 21— UT1 looking downstream (4/1/2019) 1

Photo Point 22 — UT1 looking upstream (4/1/2019) 1 Photo Point 22 — UT1 looking downstream (4/1/2019) 1
Photo Point 23 — UT1 looking upstream (4/1/2019) 1 Photo Point 23 — UT1 looking downstream (4/1/2019) 1
Photo Point 24—Crooked Creek looking upstream (4/1/2019) 1 Photo Point 24—Crooked Creek looking downstream (4/1/2019) 1

Photo Point 27 — Crooked Creek looking upstream (4/1/2019)
Photo Point Z7—Crooked Creek looking downstream (4/1/2019)

Photo Point 28 — UT2 looking upstream (4/1/2019) 1 Photo Point 28 — UT2 looking downstream (4/1/2019) 1
Photo Point 29 — UT2 looking upstream (4/1/2019) 1 Photo Point 29 — UT2 looking downstream (4/1/2019) 1
Photo Point 30 — UT2 looking downstream to UT2 (4/1/2019) 1

Photo Point 31— UT2 looking upstream Crooked Creek
(4/1/2019)
Photo Point 31— UT2 looking downstream Crooked Creek
(4/1/2019)
Photo Point 31— UT2 looking upstream UT2 (4/1/2019) I

Wetland Photographs
Monitoring Year 4

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APPENDIX 3. Vegetation Plot Data

Table 8. Vegetation Plot Criteria Attainment
Crooked Creek #2 Restoration Project Site
DMS Project No. 94687
Monitoring Year 4 - 2019
Plot
MY2 Success Criteria Met
Tract Mean
1
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100%
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Y
3
Y
4
Y
5
Y
6
Y
7
Y
8
Y
9
Y
10
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12
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APPENDIX 5. Hydrology Summary Data and Plots

Table 14. Verification of Bankfull Events
Crooked Creek #2 Restoration Project
DMS Project No. 94687
Monitoring Year 4 - 2019
Reach
UT1
MY of
Occurrence
MY1
Date of
Occurrence
7/11/2016
Method
Crest Gage
MY2
6/20/2017
Crest Gage/Stream Gage
MY3
9/17/2018
Stream Gage
10/12/2018
10/27/2018
11/5/2018
MY4
4/5/2019
UT2
MY1
7/11/2016
Crest Gage
10/8/2016
MY2
6/20/2017
MY3
11/5/2018
Wrack Line
MY4
4/5/2019
Bankfull Flow Photo
Crooked Creek
MY1
7/11/2016
Crest Gage
10/8/2016
MY2
6/20/2017
Crest Gage
MY3
11/5/2018
Wrack Line
MY4
4/5/2019
Bankfull Flow Photo
Unknown
Wrack Line

Table 15. Wetland Gage Attainment Summary
Crooked Creek #2 Restoration Project
DMS Project No. 964687
Monitoring Year 4 - 2019
Summary of Groundwater Gage Results for Monitoring Years 1 through 7
Success Criteria Achieved/Max Consecutive Days During Growing Season (Percentage)
Year 1
Year 2
Year 3
Year 4
Year 5
Year 6
Year 7
Gage
(2016)
(2017)
(2018)
(2019)
(2020)
(2021)
(2022)
No/0 Days
No/7 Days
No/12 Days
Yes/22 Days
1
(0%)
(3%)
(5%)
(9.7%)
No/2 Days
No/8 Days
No/13 Days
Yes/21 Days
2
(0.9%)
(4%)
(6%)
(9.3%)
No/1 Days
No/9 Days
Yes/29 Days
Yes/34 Days
3
(0.4%)
(4%)
(13%)
(15%)
No/0 Days
No/6 Days
No/10 Days
No/16 Days
4
(0%)
(3%)
(4%)
(7.1%)
No/1 Days
No/7 Days
No/12 Days
Yes/22 Days
5
(0.4%)
(3%)
(5%)
(9.7%)
Yes/26 Days
Yes/75 Days
Yes/88 Days
Yes/67 Days
6
(11.5%)
(33%)
(39%)
(29.6%)
Yes/18 Days
Yes/47 Days
Yes/45 Days
Yes/56 Days
7
(8%)
(21%)
(20%)
(24.8%)
No/14 Days
Yes/31 Days
Yes/45 Days
Yes/35 Days
8
(6.2%)
(14%)
(20%)
(15.5%)
No/1 Days
No/7 Days
No/13 Days
Yes/23 Days
9
(0.4%)
(3%)
(6%)
(10.2%)
No/2 Days
No/11 Days
No/10 Days
Yes/23 Days
10
(0.9%)
(5%)
(4%)
(10.2%)
Growing season 3/23/2019- 11/4/2019
Success Criteria is 17 consecutive days
Gages meeting criteria: MY1 = 2/10, MY2 = 3/10, MY3 = 4/10, MY4= 9/10.

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Bankfull Photographs
Monitoring Year 4