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ID#* 20160233 Version* 1
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Erin Davis
Initial Review Completed Date 12/18/2020
Mitigation Project Submittal - 12/18/2020
Is this a Prospectus,Technical Proposal or a New Site?* O Yes fJ No
Type of Mitigation Project:*
r Stream rJ Wetlands r Buffer ❑ Nutrient Offset
(Select all that apply)
Project Contact Information
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Contact Name:* Email Address:*
Lindsay Crocker lindsay.crocker@ncdenr.gov
Project Information
ID#:* 20160233 Version:*1
Existing!DI Existing Version
Project Type: C' DMS r Mitigation Bank
Project Name: Tar River
County: Person
Document Information
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Mitigation Monitoring Report
File Upload: TarRiver_MY4_2020.pdf 5.51 MB
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Print Name:* Lindsay Crocker
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may atereet
Tar River Headwaters Wetland Restoration Site
Person County NC -- Tar-Pamlico River HUC# 03020101-0102
MY-4 (2020) Annual Fall Monitoring Report
NC-DEQ Division of Mitigation Services: DMS Project # 97071
DEQ Contract #6746 DWR # 2016-0233 ACE #SAW-2016-01101
Data Collected: Sep-Nov 2020 Draft Report: December 2020
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Submitted To:
N.C. Department of Environmental Quality
DEQ Division of Mitigation Services
1652 Mail Service Ctr, Raleigh, NC 27699-1652
Environmental DMS Project Manager: Lindsay Crocker
Quality
DEQ-DMS Contract # 006746
MOGENSEN MITIGATION, INC. IVILVII
P.O.Box 690429 Charlotte,NC 28227
(704)576-1111 Rich(aMogMit.com
(919)556-8845 GeraldiaMogMit.com MOGENSEN MITIGATION.INC
Table of Contents
1.0. Project Background Summary 3
1.1. Project Location and Setting 3
1.2. Pre-Restoration Conditions 3
1.3. Mitigation Goals and Performance Criteria 3
1.4. Mitigation Approach 5
2.0. Monitoring Methods 5
3.0. Current Conditions Summary 6
4.0. References 7
APPENDIX A. Project Background Data
Figure 1. Project Vicinity Map
Table 1. Project Components and Mitigation Credits
Table 2. Project Activity and Reporting History
Table 3. Project Contacts Table
Table 4. Project Attributes
APPENDIX B. Visual Assessment Data
Figure 2. Current Conditions Plan View
Table 5. Vegetation Conditions Assessment
Figure 3. Vegetation Plot Photos
Figure 4. Photo Point Photos
APPENDIX C. Vegetation Plot Data
Table 6. Vegetation Plot Success Summary
Table 7. Vegetation Plot Stem Count Data
APPENDIX D. Hydrologic Data
Figure 5. Monthly Rainfall Plot with Percentiles
Figure 6. Groundwater Gauge and Rainfall Data
Table 8. Hydrologic Success Attainment
Tar River Headwaters Wetland Restoration Site#97071 2 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
1.0. Project Background Summary
1.1. Project Location and Setting
The Tar River Headwaters Wetland Restoration Site (TRHWR) is a full-delivery wetland mitigation project
located in eastern Person County,between Roxboro and Oxford,North Carolina,within the Piedmont
Physiographic Province (Figure 1). The easement comprises 9.98 acres,most of which is drained and
degraded wetlands or former wetlands with hydric soil indicators. The remaining areas include non-hydric
soils, drainage ditches, and a 570-foot long riparian corridor along a ditch and intermittent stream
connecting the TRHWR site to the adjacent Tar River Headwaters Riparian Buffer and Nutrient Offset
Mitigation Bank project. Both projects are implemented by Mogensen Mitigation, Inc. (MMI), and are
located on a 228-acre farm owned by Roy and Joyce Huff, in the Tar-Pamlico River Basin 12-digit HUC #
03020101-0102. The Huff Farm property is located at 333 Bunnie Huff Road, Oxford NC 27565. The
access road into the TRHWR site is at Latitude = 36.3913, Longitude = -78.8171.
1.2. Pre-Restoration Conditions
The TRHWR site was cleared and ditched for pasture use in the 1940s according to the owner, and was
used for grazing cattle until January 2017 when the conservation easement fence was installed. The project
involves plugging drainage ditches to restore wetland hydrology, fencing to exclude livestock, and planting
native trees and shrubs to restore a Headwater Forest wetland ecosystem similar to what occurred prior to
site clearing and drainage. Remnant native trees left for shade, hydrophytic groundcover plants mixed
among the pasture grasses, and plant species recorded in adjacent natural forests (on the same soil mapping
unit)provided data for the planting plan.
The project will restore approximately 7.65 acres of headwater riparian wetland(6.53 acres reestablishment
plus 1.12 acres rehabilitation) and will generate an estimated 7.28 or more riparian wetland mitigation
credits. Approximately 1.27 acres with non-hydric soils in the southeast corner of the mitigation site will
also be reforested, and a 100-foot wide by 570-ft long riparian corridor(1.06 acre) extending southeastward
along the ditch will connect the TRHWR site to MMI's adjacent stream restoration and nutrient buffer bank
project to the south. Total acreage of the wetland mitigation site and riparian connector is 9.98 acres.
Restoration activities including tree planting, surface flow dispersal, and cattle exclusion will reduce soil
erosion and nutrient-enriched runoff from adjacent pasture and cropland within its watershed, and help
retain agricultural chemicals used on these lands. It is expected to improve water quality and habitat in the
receiving tributary and reduce fine sediment loading which will enhance the overall watershed particularly
in the adjacent stream and nutrient mitigation bank.
1.3. Mitigation Goals and Performance Criteria
The subject watershed HUC #03020101-0102 is designated by NCDEQ as a Targeted Local Watershed
(TLW) for water quality improvement projects, and the Tar River reach within and downstream of this
local HUC is recognized as a Significant Natural Heritage Area(SNHA) for its high diversity of aquatic
life including protected species of river mussels and fishes. The TRHWR project is intended to support
Tar River Headwaters Wetland Restoration Site#97071 3 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
these TLW and SNHA designations by improving water quality and habitat on the property and
downstream. Specific project goals and objectives as identified in the TRHWR Final Mitigation Plan
(December 2016) include:
GOALS:
• Restore the natural jurisdictional wetland hydro-period to five or more acres of forested
wetland within a nine-acre site;
• Restore forested wetland habitat and improve habitat connectivity between Denny Store
Gabbro Forest(NHP Natural Heritage Area)to the north and the Tar River tributaries;
• Buffer storm water runoff from fecal and other cattle-related pollutants and fertilizer.
OBJECTIVES:
• Plug existing ditches and create sheet flows throughout the site. Aerate soils to reduce
compaction, improve infiltration, and create micro-topography to retain surface flows;
• Preserve the remnant mature Swamp White Oaks (a regionally rare species) for seed source.
Plant appropriate native hardwood trees at a sufficient frequency to establish a diverse
bottomland wetland forest. Treat and/or remove invasive species which may cause problems
for site restoration, including Chinese privet and multi-flora rose;
• Install fencing to exclude cattle and establish a conservation easement to provide permanent
protection on the site.
PERFORMANCE STANDARDS and MONITORING:
GOAL OBJECTIVE PERFORMANCE MONITORING
STANDARD APPROACH
Restore natural Plug existing ditches and Water must be on or Use 11 shallow
hydro-period for create sheet flow throughout within 12 inches of the groundwater self-reading
headwater forest the site.Aerate soils to reduce surface for 10%of the gauges throughout the site
wetland. compaction,improve growing season. at a frequency of about one
infiltration,and create micro- Hydrographs will per acre.Visual inspection
topography to retain surface indicate jurisdictional of ponding duration.
flows. hydrology.
Restore forested Preserve mature swamp white Survival of 320 stems Monitor vegetation plots
wetland habitat and oak trees for seed source. Plant per acre at year 3,260 annually and calculate
improve habitat appropriate native hardwood stems per acre at year 5 densities of surviving
connectivity with trees at 10-ft average spacing and 210 stems per acre planted&volunteer stems.
existing forests. (435 stems/ac)Treat invasive at MY 7.
species.
Buffer storm water Plant trees,fence perimeter Insure the integrity of Visual inspection will note
runoff from fecal and and establish a permanent the cattle exclusion fence condition through site
other cattle-related conservation easement. fencing for the life of the pictures. Observations will
nutrient inputs. contract. be included in annual
monitoring reports.
Tar River Headwaters Wetland Restoration Site#97071 4 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
1.4. Mitigation Approach
Prior to restoration, the TRHWR project area contained 6.53 acres of former riparian wetland (ditched and
drained, grazed pasture) with redoximorphic soil characteristics indicating hydric soils,but lacking
adequate wetland hydrology based on groundwater gauge data and field observations during 2015-2016.
Although the drainage ditches are shallow,they have effectively reduced water retention across much of
the site over the past 70 years due to the slow infiltration rate, rapid runoff, and shallow hardpan in these
soils. The project will re-establish jurisdictional wetlands in this area by plugging the drainage ditches to
increase rainfall retention and dispersal, fencing out livestock, controlling invasive species, and planting
suitable native tree species. These 6.53 acres of wetland restoration will generate riparian wetland credits
at 1:1 ratio, yielding 6.53 WMU.
Another 1.12 acres in the TRHWR project area has been less effectively drained by the ditches, and still
has sufficient hydrology to meet jurisdictional wetland criteria,based on groundwater gauge data and field
observations during 2015-2016. The project will rehabilitate these areas of degraded jurisdictional wetland
(grazed pasture with reduced hydrology)by plugging ditches to increase hydrology, fencing out livestock,
and planting suitable native tree species. These 1.12 acres of wetland rehabilitation will generate riparian
wetland credits at 1.5:1 ratio, yielding 0.75 WMU. TRHWR project components and mitigations assets are
summarized in Table 1, matching the proposed assets in the Mitigation Plan.
2.0. Monitoring Methods
Vegetation plots are monitored annually in accordance with current DMS monitoring guidance (June
2017). The nine installed CVS vegetation plots, each 10 x 10 meters, represents 2.8 percent of the planted
mitigation area. Vegetation monitoring will occur between September and early November, prior to the
loss of leaves. The vegetation success criteria are specified in the Performance Standards above. If success
criteria are not met, site maintenance and monitoring will continue until the success criteria are met.
The twelve onsite groundwater monitoring gauges (RDS and Hobo) and one offsite reference wetland
gauge are downloaded and maintained at least quarterly. Gauge data in the mitigation credit areas are
plotted and evaluated for success based on the mitigation plan performance standard of continuous
saturation within 12 inches of the ground surface for 10 percent of the growing season. Growing season
based on air temperature at a weather station east of Roxboro is from March 28 to November 3,which is
221 days (from USDA WETS table). MMI installed a Hobo dual-probe soil temperature logger near the
middle of the TRHWR site (beside GW-H) in late January 2017. Soil temperature on the site remained
above 41 F at both 10-inch and 20-inch depths throughout February and March 2017. The lowest
temperatures recorded were 42.7 F at 10 inches and 45.4 F at 20 inches. Based on soil temperatures
remaining above the USDA-designated temperature for plant physiological activity,March 1 is used as the
start of the growing season, based on field discussions with DMS and USACE. The revised growing
season length is thus 248 days, and the groundwater hydrology success criterion is 25 days. Subsequent
data from 2018 to 2020 confirm that soil temperature has remained above 42 F after the end of February
each year. These data along with late-February bud swelling on Acer, Betula, and Salix,plus new growth
of groundcover plants (Lamium, Cardamine, Lactuca, Allium, Bromus, Alopecurus, Ranunculus, Senecio,
Geranium, Plantago, Viola, and Persicaria) support the use of March 1 as the growing season start date.
Tar River Headwaters Wetland Restoration Site#97071 5 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
The conservation easement perimeter fence and ditch plug integrity will be monitored visually and
documented with photo points.
3.0. Current Conditions Summary
Groundwater gauge data for 2020 were collected from January 1 through November 5; CVS vegetation plot
data and photos were collected in late September and early October. MMI scientists made several visits to
the TRHWR site between February and November 2020 to collect gauge data and evaluate the condition of
the ditches, ditch plugs, and planted and volunteer trees. Eight of the nine CVS plots had 7 or more
surviving planted trees and exceeded the 260 stems per acre success criteria based on planted stems alone
(Tables 6 and 7). Plot VP-24 had five surviving planted stems plus five volunteer stems of planted species,
and met the 260 stems per acre based on planted plus volunteer stems. Outside of the CVS plots, planted
stem survival looks generally good throughout the site,with an estimated 10 to 20 percent apparent
mortality. Leader die-back is common on many of the taller seedlings, especially on tulip poplar and river
birch, but many of the trees exhibiting leader die-back also had vigorous basal sprouts. There are scattered
small areas with tree densities less than 260 stems per acre,but only one area exceeding the "problem area"
size threshold, mapped as a"low stem density" area in Figure 2 and Table 5. No "invasive exotic" problem
areas were identified this year. Groundcover vegetation is excellent throughout,with both treated areas
(non-wetland and drained wetland) and non-treated areas (existing wetland) showing dense and diverse
herbaceous cover. Small unflagged trees outside of the CVS plots remain difficult to see in summer and
fall due to the dense groundcover.
All ditch plugs appear to be stable and performing as designed. Survival of planted trees, live-stakes, and
herbaceous cover on the plug slopes and tops appears to be providing good protection; no erosion on the
plugs was observed. Most of the ditches are now obscured by vegetation. Ponding behind each ditch plug
was evident during spring and early summer, but was intermittently absent during late summer and fall.
Twelve groundwater gauges (A through L) on the project site are roughly arranged in four transects
perpendicular to the main ditch, as recommended by mitigation plan reviewers during field meetings
(Figure 2). Three gauges (A, H and J) are within existing wetland rehabilitation areas, seven gauges (D, E,
F, G, I, L, and K) are within the drained wetland reestablishment areas, and two gauges (B and C) are
downslope from ditch plug#4 in areas not expected to generate wetland credits. Wetland hydrology
success for the TRHWR site is based on saturation within 12 inches of the ground surface for 10% of the
248-day growing season (March 1 to November 3). The gauges measure the free water table depth and do
not account for capillary fringe saturation which can extend above the free water table in fine-textured soils
(https://vernonjames.ces.ncsu.edu/eleventh-annual-on-site/soil-wetness/). Manual water table
measurements were also collected at each well one or more times during the year, and depth data were
adjusted accordingly to fit the actual measurements.
Rainfall in 2020, relative to the 30-year normal values (30th to 70th percentiles),was normal to high during
all months except March and July, which were below the 30th percentiles (Figure 5). All 13 gauges (ten in
the mitigation credit area,two outside the credit area, and one off-site reference gauge) exceeded the
minimum of 25 consecutive days for hydrologic success during the early part of the growing season,with
consecutive day saturation periods ranging from 36 to 78 days (Table 8). In the gauge with the shortest
hydroperiod (gauge K= 36 days)the water table dipped below 12 inches for two days,then rose and
Tar River Headwaters Wetland Restoration Site#97071 6 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
remained above 12 inches for another 31 days. The duration of these two periods combined are similar to
the other wells.
Soil temperature data for 2020 support the accepted growing season start date of March 1. The lowest
recorded soil temperature at 10 inches deep was 40.2 F on January 24. From March 1 forward the soil
temperature remained above 41 F; the lowest temperature on or after March 1 was 42.3 F.
4.0. References
Lee,Michael T., Peet, Robert K., Roberts, Steven D., Wentworth, Thomas R. (2008). CVS-EEP Protocol
for Recording Vegetation version 4.2, October 2008. Retrieved September 2011, from:
http://cvs.bio.unc.edu/methods.htm
LeGrand, Harry E. Jr. (2007) Natural Areas Inventory of Person County,NC.NC Natural Heritage
Program, Raleigh NC.
NC Division of Mitigation Services. (2017). NC-DMS Annual Monitoring Report Format, Data
Requirements, and Content Guidance, June 2017. http://portal.ncdenr.org/web/eep/dbb-resources
Schafale,M.P., Weakley,A.S. 1990. Classification of the Natural Communities of North Carolina, Third
Approximation.NC Natural Heritage Program, Raleigh,NC.
Sink, Larry T. (1995). Soil Survey of Person County, North Carolina. USDA Soil Conservation Service
(Natural Resources Conservation Service), Raleigh,NC.
United States Department of Agriculture,Natural Resources Conservation Service, 2016. Web Soil
Survey. Available: http://websoilsurvey.nrcs.usda.gov/app/
Tar River Headwaters Wetland Restoration Site#97071 7 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
APPENDIX A. Project Background Data
Figure 1. Project Vicinity Map
Table 1. Project Components and Mitigation Credits
Table 2. Project Activity and Reporting History
Table 3. Project Contacts Table
Table 4. Project Attributes
Tar River Headwaters Wetland Restoration Site#97071 8 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
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Tar River Headwaters Wetland Restoration Site#97071 9 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Table 1.Project Components and Mitigation Credits
Tar River Headwaters Wetland Restoration Site,DMS Project#97071
Mitigation Credits
Riparian Non-riparian Nitrogen
Stream Wetland Wetland Buffer Nutrient
Offset
Type R RE R RE R RE
Acres 7.650
Credits 7.270
TOTAL CREDITS 7.277
Project Components
Project Component Stationing/ Existing Approach Restoration or Restoration
or Reach ID Location Footage or (PI,PH etc.) Restoration Footage or
Acreage Equivalent Acreage
Drained Wetland -- 6.530 Restore Hydrology, R(Reestablish) 6.530 ac
Fence&Plant
Grazed Wetland -- 1.120 Fence&Plant R(Rehabilitate) 1.120 ac
Component Summation
Stream Riparian Wetland Non-Riparian Buffer Upland
Restoration Level
(lin.feet) (acres) Wetland (acres) (sq.feet) (acres)
Riverine Non-Riverine
Re-establishment (1:1.0) 6.530 ac
Rehabilitation (1:1.5) 1.120 ac
Enhancement I
Enhancement II
Creation
Preservation
High Quality Preservation
TOTAL feet or acres - - 7.650 ac
TOTAL WMU - - 7.277
Tar River Headwaters Wetland Restoration Site#97071 10 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Table 2.Project Activity& Reporting History
Tar River Headwaters Wetland Restoration Site,DMS Project#97071
Activity or Report Data Collection Actual Completion or
Complete Delivery
Mitigation Plan Dec 2016
Final Construction Plans Dec 2016
Construction Jan 2017
Planting Feb 2017
Baseline Monitoring/Report Feb 2017 Apr 2017
Year 1 Monitoring Nov 2017 Dec 2017
Year 2 Monitoring Nov 2018 Dec 2018
Year 3 Monitoring Nov 2019 Jan 2020
Year 4 Monitoring Nov 2020 Dec 2020
Year 5 Monitoring
Table 3.Project Contacts Table
Tar River Headwaters Wetland Restoration Site,DMS Project#97071
Ecological Engineering,Raleigh NC
Designer Heather Smith: 919-557-0929
KBS Earthworks,Greensboro NC
Construction Contractor
Kory Strader&Brett Strader: 336-685-4339
Michael T. Brandon,PLS,Roxboro NC
Survey Contractor
Michael Brandon: 336-597-8673
Fence Contractor Strader Fencing,Inc.,Julian NC
Kenneth Strader: 336-314-2935
KBS Earthworks,Greensboro NC
Herbicide and Seeding Kory Strader&Brett Strader: 336-685-4339
Mogensen Mitigation Inc,Charlotte NC
Planting Contractor
Rich Mogensen: 704-576-1111; Gerald Pottern: 919-556-8845
Mellowmarsh Farms, Siler City NC
Nursery Stock Suppliers
Joanie McLean: 919-742-1200
Mogensen Mitigation Inc,Charlotte NC
Monitoring Performers
Rich Mogensen: 704-576-1111; Gerald Pottern: 919-556-8845
Tar River Headwaters Wetland Restoration Site#97071 11 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Table 4. Project Attributes
Tar River Headwaters Wetland Restoration Site,DMS Project#97071
Project Name Tar River Headwaters Wetland Restoration Site
County Person County
Project Area(acres) 9.9 acres(Wetland+Buffer Easement combined)
Project Coordinates(lat.and long.) 36.3895, -78.8153
Project Watershed Summary Information
Physiographic Province Piedmont,Carolina Slate Belt
River Basin Tar-Pamlico River-01
USGS Hydrologic Unit 8-digit 3020101 I USGS Hydrologic Unit 12-digit I -0102
DWQ Sub-basin Tar-Pam-01
Project Drainage Area(acres) 60
Project Drainage Area Percentage of Impervious 0%
Area
CGIA Land Use Classification Pasture,Crop,and Deciduous Forest
Wetland Summary Information(Post-Restoration)
Parameters Wetland Area
Size of Wetland(acres) 1.12 ac existing+6.53 ac drained=7.65 ac
Wetland Type(non-riparian,riparian riverine or
Riparian non-riverine(Headwater)
riparian non-riverine)
Mapped Soil Series Iredell Loam(IrB)
Drainage class Iredell=moderately well; Hydric inclusions=poorly
Soil Hydric Status Drained Hydric
Source of Hydrology Shallow ponding;perched on shallow aquitard
Hydrologic Impairment Drainage ditches(1940s)
Native vegetation community Headwater depression wetland forest(prior to pasture conversion)
Percent composition exotic invasive vegetation 20%Fescue(sprayed)
Regulatory Considerations
Supporting
Regulation Applicable? Resolved?
Documentation
Waters of the United States—Section 404 Yes Yes Prelim JD
Waters of the United States—Section 401 Yes Yes Prelim JD
Endangered Species Act No N/A US FWS Letter
Historic Preservation Act No N/A NC SHPO Letter
Coastal Zone Management Act(CZMA)
No N/A N/A
Coastal Area Management Act(CAMA)
FEMA Floodplain Compliance No N/A NC Floodmaps Data
Essential Fisheries Habitat No N/A N/A
Tar River Headwaters Wetland Restoration Site#97071 12 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
APPENDIX B. Visual Assessment Data
Figure 2. Current Conditions Plan View
Table 5. Vegetation Conditions Assessment
Figure 3. Vegetation Plot Photos
Figure 4. Photo Point Photos
Tar River Headwaters Wetland Restoration Site#97071 13 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
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Table 5:Vegetation Condition Assessment Table--MY-4(2020)
Tar River Headwaters Wetland Restoration #97071. Person County HUC#03020101-0102
Planted Acreage= 7.65
Mapping
Vegetation Problem Category Definitions Threshold CCPV Number of Combined % of Planted
(acres) Depiction Polygons Acreage Acreage
Bare Areas Very limited cover of both woody and herbaceous material 0.10 N/A 0 0 0%
Woody stem densities clearly below target levels based on °
Low Stem Density Areas MY3,4,or 5 stem count criteria. 0.10 N/A 1 0.38 5/o
Total 0 5%
Areas of Poor Growth Rates or Vigor* Areas with woody stems of a size class that are obviously 0.25 N/A 0 0 0%
small given the monitoring year.
Cumulative Total 0 0 0%
Easement Acreage= 9.98
Mapping % of
Vegetation Problem Category Definitions Threshold CCPV Number of Combined Easement
(SF) Depiction Polygons Acreage Acreage
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scale).
Easement Encroachment Areas Areas or points(if too small to render as polygons at map none N/A 0 0 0%
scale).
Tar River Headwaters Wetland Restoration Site#97071 15 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 3. Vegetation Plots: Tar River Headwaters Wetland Restoration Site#97071 MY-4 (Oct 2020)
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Tar River Headwaters Wetland Restoration Site#97071 16 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 3. Vegetation Plots: Tar River Headwaters Wetland Restoration Site#97071 MY-4 (Oct 2020)
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Tar River Headwaters Wetland Restoration Site#97071 17 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 3. Vegetation Plots: Tar River Headwaters Wetland Restoration Site#97071 MY-4 (Oct 2020)
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Tar River Headwaters Wetland Restoration Site#97071 18 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 3. Vegetation Plots: Tar River Headwaters Wetland Restoration Site#97071 MY-4 (Oct 2020)
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Tar River Headwaters Wetland Restoration Site#97071 19 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 3. Vegetation Plots: Tar River Headwaters Wetland Restoration Site#97071 MY-4 (Oct 2020)
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Tar River Headwaters Wetland Restoration Site#97071 20 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Wetland Restoration Figure 4. Photo Points: Tar River Headwaters Site #97071 MY-4 (Oct 2020)
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Tar River Headwaters Wetland Restoration Site#97071 21 MY 4 (2020)Annual Monitoring Report
Person County—Tar Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 4. Photo Points: Tar River Headwaters Wetland Restoration Site #97071 MY-4 (Oct 2020)
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MY-4 (2020)Annual Monitoring Report
Tar River Headwaters Wetland Restoration Site#97071 22
Person County—Tar Pam HUC 03020101 Mogensen Mitigation Inc. MMI
APPENDIX C. Vegetation Plot Data
Table 6. Vegetation Plot Success Summary
Table 7. Vegetation Plot Stem Count Data
Tar River Headwaters Wetland Restoration Site#97071 23 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Tar River Headwaters Wetland Restoration (TRHWR) Project,DMS#97071.
Monitoring Year 4 (Sept 2020) --Person County NC. Tar-Pam HUC# 03020101
Table 6. CVS Plot Stem Density and Success Summary
Wetland Planted Planted+Volunteer Invasive Success
CVS Plot# Stems Stems Woody Criteria
per plot per acre per plot per acre Stems Met?
97071-20 8 324 15 607 0 Yes
97071-21 7 283 13 526 0 Yes
97071-22 8 324 19 769 0 Yes
97071-23 12 486 20 809 0 Yes
97071-24 5 202 10 405 0
97071-25 9 364 10 405 0 Yes
97071-26 9 364 12 486 0 Yes
97071-27 8 324 11 445 0 Yes
97071-28 10 405 12 486 0 Yes
Project Avg 8.4 342 13.6 549 0 Yes
Success Criteria= 320 planted+volunteer stems per acre at MY3, 260 planted+volunteer
stems at MY5, and 210 planted+volunteer stems per acre at MY7 (planted species only).
Color codes for Success MY4 to MY5
Exceeds criteria by 10%or more (287 or more)
Exceeds criteria by less than 10% (260-286)
Fails criteria by less than 10% (234-259)
Fails criteria by more than 10% (258 or less)
Tar River Headwaters Wetland Restoration Site#97071 24 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Table 7. CVS Plot Stem Counts and Density by Species.
Current Plot Data (MY4-Sept 2020)
Growth 97071-20 97071-21 97071-22 97071-23 97071-24 97071-25 97071-26
Scientific Name Common Name Type Plant Total Plant Total Plant Total Plant Total Plant Total Plant Total Plant Total
IBaccharis halimifolia Groundsel-tree Shrub
Betula nigra River Birch Tree(P) 4 4 3 3 2 2 4 4 7 7
Carpinus caroliniana Musclewood Tree(P)
Cornus amomum Silky dogwood Shrub(P) 1 1
Diospyros virginiana Persimmon Tree(P) 1 4 2 2 3 1
Fraxinus pennsylvanica Green Ash Tree(P) 2 1 3 3 10 2 7 1 2 3
Illex vomitoria Yaupon holly Shrub(P) 1
Liquidambar styraciflua Sweetgum Tree
Liriodendron tulipifera Tulip Poplar Tree(P) 2 2
Nyssa biflora Swamp Blackgum Tree(P)
Pinus taeda Loblolly pine Tree
Platanus occidentalis Sycamore Tree(P) 2 2 2 2
Quercus bicolor* Swamp White Oak Tree(P) 1 1 1 1
Quercus michauxi* Swp Chestnut Oak Tree(P) 2 2
Quercus phellos* Water Oak Tree(P)
Quercus nigra* Willow Oak Tree(P) 1 1 4 4 2 2 8 8 2 2
Rosa palustris Swamp rose Shrub 5 4 5
Ulmus alata Winged Elm Tree 2
Ulmus americana American Elm Tree(P) 2 1 3 2 3 1 1
Planted&Total Stem count 8 15 7 13 8 19 12 20 5 10 9 10 9 12
(P)=planted species ares 1 1 1 1 1 1 1 1 1 1 1 1 1 1
acres 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025
Species count 4 7 4 7 4 9 4 8 4 6 2 3 2 3
Stems per ACRE 324 607 283 526 324 769 486 810 202 405 364 405 364 486
Plot Data(MY4 Sep 2020) Annual Means 2017-2020
Growth 97071-27 97071-28 MVO(2017) MY1(2017) MY2(2018) MY3(2019) MY4(2020)
Scientific Name Common Name Type Plant Total Plant Total Plant Total Plant Total Plant Total Plant Total Plant Total
IBaccharis halimifolia Groundsel-tree Shrub 1 1 2
Betula nigra River Birch Tree(P) 2 2 23 23 23 23 22 22 22 22 22 22
Carpinus caroliniana Musclewood Tree(P) 2 2 4 4 6 6 6 6 6 6 6 6 6 6
Cornus amomum Silky dogwood Tree 1 1 1 1
Diospyros virginiana Persimmon Tree(P) 1 2 2 1 3 1 4 1 13
Fraxinus pennsylvanica Green Ash Tree(P) 1 3 2 2 9 9 10 10 10 17 10 23 10 32
Flex vomitoria Yaupon holly Shrub(P) 1
Liquidambar styraciflua Sweetgum Tree 1 12
Liriodendron tulipifera Tulip Poplar Tree(P) 12 12 6 6 1 2 2 2 2 2
Nyssa biflora Swamp Blackgum Tree(P) 1 1
Pinus taeda Loblolly pine Tree 3 1 3
Platanus occidentalis Sycamore Tree(P) 1 1 5 5 5 5 5 5 5 5 5 5
Quercus bicolor* Swamp White Oak Tree(P) 3 3 3 3 4 4 2 2 2 2
Quercus michauxi* Swp Chestnut Oak Tree(P) 2 2 2 2
Quercus phellos* Willow Oak Tree(P) 2 2 14 14 1 1 18 19 19 19 19 19
Quercus nigra* Water Oak Tree(P) 6 6 17 17
Rosa palustris Swamp rose Shrub 14
Ulmus alata Winged Elm Tree 4 2
Ulmus americana American Elm Tree(P) 4 5 1 10 10 11 14 5 18 8 18 6 17
Planted&Total Stem count 8 11 10 12 91 91 82 85 72 97 771 104 761 122
(P)=planted species ares 1 1 1 1 9 9 9 9 9 9 9 9 9 9
acres 0.025 0.025 0.025 0.025 0.222I0.222 0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.22
Species count 4 5 4 6 11 11 11 11 9 11 10 13 11 16
Stems per ACRE 324 445 405 486 409 409 369 382 324 436 346 468 342 549
Plant=Planted Stems; Total=Planted+Volunteer Stems of planted species only. Red=volunteer non-planted species,NOT counted in totals or density.
Blue highlight=Totals that include 1 or more volunteer stems of planted species.
*Quercus seedlings misidentified in 2017 were corrected in 2018-2019,thus the changes in names and numbers
Color codes for Plot Density&Success MY1 to MY3 MY4 to MY5 MY6 to MY7
Exceeds criteria by 10%or more (352 or more) (287 or more) (232 or more)
Exceeds criteria by less than 10% (320-351) (260-286) (210-231)
Fails criteria by less than 10% (289-319) (234-259) (189-209)
Fails criteria by more than 10% (288 or less) (258 or less) (188 or less)
Tar River Headwaters Wetland Restoration Site#97071 25 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
APPENDIX D. Hydrologic Data
Figure 5. Monthly Rainfall Plot with Percentiles
Figure 6. Groundwater Gauge and Rainfall Data
Table 8. Hydrologic Success Attainment
Tar River Headwaters Wetland Restoration Site#97071 26 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 5. Monthly Rainfall Totals (2020) with 30th and 70th Percentiles.
From USDA WETS table, 30-year historical data (1981-2010) at ROXBORO 7 ESE, NC
Month Total 30th% 70th
Jan-20 4.03 2.45 4.46
Feb-20 6.71 2.58 3.82
Mar-20 2.70 2.99 5.32
Apr-20 5.23 2.18 4.21
May-20 8.84 2.51 4.04
Jun-20 4.09 2.15 4.45
Jul-20 1.88 3.38 5.44
Aug-20 5.39 2.57 4.9
Sep-20 6.11 1.94 4.85
Oct-20 4.10 2.65 4.72
Nov-20 5.10 1.89 4.42
Dec-20 2.56 4.52
TRH Wetland Restoration Site
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Tar River Headwaters Wetland Restoration Site#97071 27 MY-4 (2020)Annual Monitoring Report
Person County-Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 6A. Groundwater Gauges and Rainfall Data Plots 2020--Tar River Headwaters Wetland Restoration#97071
TRH Wetland Restoration Site Gauge 'A' -MY4 (2020)
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_L _ _ I_tlJ,l , —2. A h-�i j A L 1 .. .. .�.. ,-I .�� 0
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
—Groundwater Depth(in) ---12 Inches Below Surface —Precipitation(in)
Tar River Headwaters Wetland Restoration Site#97071 28 MY-4 (2020)Annual Monitoring Report
Person County-Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 6B. Groundwater Gauges and Rainfall Data Plots 2020--Tar River Headwaters Wetland Restoration#97071
TRH Wetland Restoration Site Gauge 'D' -MY4 (2020)
60 3
c March 1st-May 12th=73 Consecutive Days
le a
40 - i m 2.5
73. fa Z 0
N
c 20 c 2 a,
L
N o C
0.
N
200 l� A 1 1•
o o
40Ft II I N 0.5
60 I_tLI�L IL ,, ,
., p
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
-Groundwater Depth(in) ---12 Inches Below Surface -Precipitation(in)
TRH Wetland Restoration Site Gauge 'E' -MY4 (2020)
60 3
e March 1st-May 13th=74 Consecutive Days
f E
40 i 2.5
i
a, N
,�
20 & W 2 w
m o L
L
a c
3 m
re
w T
-20 - I I I 1 0
o
2 I
-40 I - I
- ` I _ - _ ( 0.5
li IL
. Alt A t
-60 11 (1 ILIA IA h 0
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
-Groundwater Depth(in) ---12 Inches Below Surface -Precipitation(in)
TRH Wetland Restoration Site Gauge 'F' -MY4 (2020)
60 - - 3
e March 1st-May 10th=71 Consecutive Days 2
f E
40 c 2.5
m z
a,
L v .-.
0 20 L 2 t
a o
L N C
0.
W - -
tg
_T
-20 ��i li 1 0
-
l7
-40 I I I I I I I 0.5
II . Rilk_ � � . Ah 11M . t � � . ) . I /A A-600
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
-Groundwater Depth(in) ---12 Inches Below Surface -Precipitation(in)
Tar River Headwaters Wetland Restoration Site#97071 29 MY-4 (2020)Annual Monitoring Report
Person County-Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 6C. Groundwater Gauges and Rainfall Data Plots 2020--Tar River Headwaters Wetland Restoration#97071
TRH Wetland Restoration Site Gauge 'G' -MY4 (2020)
60 3
March 1st-May 9th=70 Consecutive Days a
f £
40 c 2.5
m ( Z
a, a
o W
'E' 20 2 s
— m o
L V C
W C
6 ` 3Ts
io -20 1 c
6-
-40 1 I 1rI1 I { I (1I ( 0.5
-60k Ali A II 0
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
—Groundwater Depth(in) ———12 Inches Below Surface —Precipitation(in)
TRH Wetland Restoration Site Gauge 'H' -MY4 (2020)
60 3
£ March 1st-May 17th=78 Consecutive Days
E
f E
40 2.5
z
L =
C
_ 20 A W 2 m
gL t
s V o c
aa▪i s ♦ —
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L l
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I I I I i 1 I I
40 11 Ih A . I _ I All. - _w A h i1111 1 A \ . A .. - - ). .. I ... t k,. A .VI IL
-600
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
—Groundwater Depth(in) ———12 Inches Below Surface —Precipitation(in)
TRH Wetland Restoration Site Gauge Ill -MY4 (2020)
60 3
2 March 1st-May 9th=70 Consecutive Days 2
f u
40 - I 2.5
E
, N 9
W
c 20 0 2 y
N o
_c LC'
0 ���,�,�,� - - - 3����,,���„,�,�„�,�,�,��I���,�„���,�,����,�
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-20 - - I 1 0
o I
.-40 I I .. I I 0.5
At�A . I'ANL , — A h 1IM A t A �. . A .. _ _ _ 11 . A,L .�
-60 0
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
—Groundwater Depth(in) ———12 Inches Below Surface —Precipitation(in)
Tar River Headwaters Wetland Restoration Site#97071 30 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 6D. Groundwater Gauges and Rainfall Data Plots 2020--Tar River Headwaters Wetland Restoration#97071
TRH Wetland Restoration Site Gauge 'J' -MY4 (2020)
60 ra 3
a
A March 1st-May 12th=73 Consecutive Days I
f
40 I 2.5
W tel
et
c 20 & 2 s
0
s c
o. c ,����������������� ���d����� �,� ,� ,��,��,�,��,��,�„�„ ,�„ ...L......... „�„�„�,,d,��,��,��,��,��,��,��,��,��� ,d,��,��,��,� �,��,��,......L„�„�„�„�„�,��,��,��-1°ry° 1.5 a
a c
c -20 r - ' "�1V `1krirl 1 is
'0 I I o
40 I . I iii II (I 0.5
60tD
IiiI 11=
0
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
—Groundwater Depth(in) ———12 Inches Below Surface —Precipitation(in)
TRH Wetland Restoration Site Gauge 'K' -MY4 (2020)
60 3
March 1st-April 5th=36 Consecutive Days a
f E
40 '0 2.5
r z
v
t 3 .,.
C' 20 $ 2
s_ 0
o
y
aq
p
-20
-4D t I I I ( I I l I 0.5
11 �,A _ I kk_ a-J.'. A A I A A I . .. �... _ �. A I A
60 0
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
—Groundwater Depth(in) ———12 Inches Below Surface —Precipitation(in)
TRH Wetland Restoration Site Gauge 'L' -MY4 (2020)
60 - a - 3
• March 1st-April 30th=61 Consecutive Days a
E B
40 - b - 2.5
✓ z
v t
_.
c 20 o m 2 7.ai
L L
o
c
O t.
v.- P
a ci .>
3 I
20 ► .
I c
-40 I I I I I l 1 0.5
11 L . _ gilt a _w . A h 1IAA A . 1 i
. _ _ A... II ,.. 11\ k �1 IA
-60 0
Jan-20 Feb-20 Mar-20 Apr-20 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
—Groundwater Depth(in) ———12 Inches Below Surface —Precipitation(in)
Tar River Headwaters Wetland Restoration Site#97071 31 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Figure 6E. Groundwater Gauges and Rainfall Data Plots 2020--Tar River Headwaters Wetland Restoration#97071
TRH Wetland Restoration REFERENCE Gauge -MY4 (2020)
60 3
March 1st-May 15th=76 Consecutive Days
40 - a 2.5
t I z
✓-• 20 2
t _
c c a
.2
o c
a
0 n =
2 0 "'.'nn .+, -kn.._ , �.1�.1, I, —.eI...Tn,— ����� ��L,,' .moo 1.5
`m W_ V
m
'o -20 I 1 0
1 \.
-40 I I I I 0.5
j_'JI '_ _ '_kti A s A II_11 _II L AL I. A _ .,. Il,. A IA k
-60 0
Jan-20 Feb-20 Mar-20 Apr-2 0 May-20 Jun-20 Jul-20 Aug-20 Sep-20 Oct-20 Nov-20 Dec-20
—Groundwater Depth(in) ———12 Inches Below Surface —Precipitation(in)
Tar River Headwaters Wetland Restoration Site#97071 32 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Table 8. Hydrologic Success Attainment 2016-2020,Groundwater Wells
Tar River Headwaters Wetland Mitigation Site#97071.
Groundwater Gauges--Maximum Consecutive Days in Growing Season with Water Table above -12.0 inches
2016 2017 2018 2019 2020
WELL start end days %GS start end days %GS start end days %GS start end days %GS start end days %GS
A 4/27 5/27 31 12 4/23 5/16 24 10 3/1 5/4 65 26 3/1 4/3 34 14 3/1 5/11 72 29
B* 4/28 5/9 12 5 4/23 5/16 24 10 3/1 6/7 99 40 3/1 5/1 62 25 3/1 5/14 75 30
C* 6/23 7/11 19 8 4/23 5/21 29 12 3/1 5/14 75 30 3/1 4/24 55 22 3/1 5/12 73 29
D 4/27 5/16 20 8 3/13 4/11 30 12 3/1 5/12 73 29 3/1 4/30 61 25 3/1 5/12 73 29
E 4/23 6/2 41 17 4/24 5/17 24 10 3/1 5/3 64 26 3/1 4/30 61 25 3/1 5/13 74 30
F 3/1 3/20 20 8 3/31 4/10 11 4 3/1 5/3 64 26 3/1 4/25 56 23 3/1 5/10 71 29
G 4/27 5/15 19 8 3/31 4/13 14 6 3/1 5/9 70 28 3/1 4/28 59 24 3/1 5/09 70 28
H 3/1 4/7 38 15 4/23 5/17 25 10 3/1 6/9 101 41 3/1 5/4 65 26 3/1 5/17 78 31
I 4/22 5/12 21 8 4/23 5/20 28 11 3/1 5/3 64 26 3/1 4/24 55 22 3/1 5/09 70 28
J 4/28 5/16 19 8 5/22 6/2 12 5 3/1 5/12 73 29 3/1 5/1 62 25 3/1 5/12 73 29
K 4/27 5/11 15 6 3/31 4/10 11 4 3/1 5/2 63 25 3/1 4/25 56 23 3/1 4/05 36 15
L na na na na 3/1 6/10 102 41 3/1 6/15 107 43 3/1 5/1 62 25 3/1 4/30 61 25
Ref 4/1 6/14 75 30 3/1 6/9 101 41 3/1 5/14 75 30 3/1 5/14 75 30 3/1 5/15 76 31
Growing Season based on USDA 30-yr air temp data at Roxboso ESE gauge is Mar 28 to Nov 3(221 Days).
Adjusted Growing Season based on on-site soil temperature>41°F is Mar 1 to Nov 3(248 Days).
Mitigation Plan success criterion is 10%of growing season(25 consecutive days WT<12"below surface).
Blue= Gauge meets hydrologic success. Brown= Gauge does not meet hydrologic success
* Gauges B and C are in non-credit areas and do not contribute to project success evaluation.
Yellow =Gauge failure;actual end of hydroperiod may have been later.
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Tar River Headwaters Wetland Restoration Site#97071 33 MY-4 (2020)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI