HomeMy WebLinkAbout20160233 Ver 1_Year 5 Monitoring Report - 2021_20220411 Tar River Headwaters Wetland Restoration Site
Person County NC -- Tar-Pamlico River HUC# 03020101-0102
MY-5 (2021) 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-Oct 2021 Final Report: November 2021
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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. Nair
P.O. Box 690429 Charlotte,NC 28227
(704)576-1111 Rich@MogMit.com
(919) 556-8845 GeraldgMogMit.com MOGENSEN MRIGATION.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 2A. Current Conditions Plan View
Figure 2B. Temporary Strip Plots, May 2021
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-5 (2021) 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 was 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
involved 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 has reduced soil
erosion and nutrient -enriched runoff from adjacent pasture and cropland within its watershed, and helped
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 and downstream.
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
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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
STANDARD
MONITORING
APPROACH
Restore natural
hydro -period for
headwater forest
wetland.
Plug existing ditches and
create sheet flow throughout
the site. Aerate soils to reduce
compaction, improve
infiltration, and create micro-
topography to retain surface
flows.
Water must be on or
within 12 inches of the
surface for 10% of the
growing season.
Hydrographs will
indicate jurisdictional
hydrology.
Use 11 shallow
groundwater self -reading
gauges throughout the site
at a frequency of about one
per acre. Visual inspection
of ponding duration.
Restore forested
wetland habitat and
improve habitat
connectivity with
existing forests.
Preserve mature swamp white
oak trees for seed source. Plant
appropriate native hardwood
trees at 10-ft average spacing
(435 stems/ac) Treat invasive
species.
Survival of 320 stems
per acre at year 3, 260
stems per acre at year 5
and 210 stems per acre
at MY 7.
Monitor vegetation plots
annually and calculate
densities of surviving
planted & volunteer stems.
Buffer storm water
runoff from fecal and
other cattle -related
nutrient inputs.
Plant trees, fence perimeter
and establish a permanent
conservation easement.
Insure the integrity of
the cattle exclusion
fencing for the life of the
contract.
Visual inspection will note
fence condition through site
pictures. Observations will
be included in annual
monitoring reports.
Tar River Headwaters Wetland Restoration Site #97071
Person County — Tar -Pam HUC 03020101
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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
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The conservation easement perimeter fence and ditch plug integrity have been monitored visually and
documented with photo points.
3.0. Current Conditions Summary
Groundwater gauge data for 2020 were collected from January 1 through September 16; CVS vegetation
plot data and photos were collected in late September. MMI scientists made several visits to the TRHWR
site between February and September 2020 to collect gauge data and evaluate the condition of the ditches,
ditch plugs, and planted and volunteer trees. All nine CVS plots had 7 or more surviving planted trees and
exceeded the 260 stems per acre success criteria for MY-5 based on planted stems alone (Tables 6 and 7).
Some trees reported as dead in previous years had resprouted in 2021. The average density across all nine
plots was 364 planted stems per acre and 567 total stems of planted species (including volunteers) per acre.
Outside of the CVS plots, planted stem survival is generally good throughout the site, with an estimated 15
to 25 percent apparent mortality since the original planting. Leader die -back is common on many of the
taller saplings, especially on tulip poplar, river birch, and musclewood, but many of the trees exhibiting
leader die -back also had vigorous basal sprouts. Small unflagged trees outside of the CVS plots remain
difficult to see in summer and fall due to the dense groundcover, especially resprouted trees.
The dense, sticky Iredell clay loam soil on the site is challenging for trees to get established. Undisturbed
headwater flats with Iredell soil often support "Piedmont prairie" or "glade" plant communities with a
relatively open tree canopy compared with other Piedmont natural forest communities. Several of the rare
plant communities with an open canopy recognized by the NC Natural Heritage Program occur on
headwater flats with Iredell soils. Natural plants on the project site that suggest a historic sparse canopy
include milkweeds (Asclepias purpurascens and A. incarnata), mistflower (Conoclinum coelestinum),
sneezeweed (Helenium autumnale), Carolina rose (Rosa carolina), mountain mint (Pycnanthemum spp),
skullcap (Scutellaria spp), Lobelia (Lobelia spp), and swamp white oak (Quercus bicolor). The slow
growth rates of planted trees on this project site maybe a natural artifact of the native soil.
Six temporary strip plots (100 m2 each) were sampled in early May 2021 in the areas identified in October
2020 that appeared to have low woody stem density. A measuring tape was extended to 108 feet and
pinned to stakes at each end, and live stems of planted woody species within 5 feet on each side the tape
were counted (Figure 2B). Two of the six temporary plots on the eastern side of the site yielded 5 and 6
stems (202 to 243 stems per acre); these are in the area mapped as "low stem density" in Figure 2A. The
other four temporary plots on the western side of the site yielded 7 to 8 stems (283 to 324 stems per acre)
and meet success criteria.
A few isolated plants of Multiflora rose, Chinese privet, and Callery pear were treated.in October 2020 and
May 2021, and no "invasive exotic" problem areas were identified in September 2021. Groundcover
vegetation is dense and diverse throughout the site, in both the treated areas (non -wetland and drained
wetland) and non -treated areas (existing wetland). Exotic grasses including fescue (Lolium) and carpet
grass (Arthraxon) are abundant in some areas, but have not been treated. 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 in early spring, but
the ditches were mostly dry from May to September.
Tar River Headwaters Wetland Restoration Site #97071
6 MY-5 (2021) Annual Monitoring Report
Person County — Tar -Pam HUC 03020101 Mogensen Mitigation Inc. MMI
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 2021, relative to the 30-year normal values (1981 to 2010), was above the monthly 50th
percentile during January, February, and July, and below normal in all other months through October. The
total for March, April, and May, the first three months of the growing season was only 7.1 inches, or 63
percent of the normal rainfall for that period (11.1 inches). 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 45 to 59 days (Table 8).
Soil temperature data for 2021 support the accepted growing season start date of March 1. The lowest
recorded soil temperature at 10 inches deep was 38.4 F on February 1. From March 1 forward the soil
temperature remained above 41 F; the lowest temperature on or after March 1 was 43.5 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-DMSAnnual 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.nres.usda.gov/app/
Tar River Headwaters Wetland Restoration Site #97071
7 MY-5 (2021) 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-5 (2021) 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
Person County — Tar -Pam HUC 03020101
MY-5 (2021) Annual Monitoring Report
Mogensen Mitigation Inc. MMI
Table 1. Project Components and Mitigation Credits -- Tar River Headwaters Wetland Restoration Site, DMS Project # 97071
Mitigation Credits
Stream
Riparian
Wetland
R
RE
R
Non -riparian
Wetland
RE
Buffer
Nutrient
Offset
Type
R
RE
Acres
7.650
Credits
7.270
TOTAL CREDITS
7.277
Project Components
Project Component
or Reach ID
Stationing/
Location
Existing
Footage or
Acreage
Approach
(PI, PII etc.)
Restoration or
Restoration
Equivalent
Restoration
Footage or
Acreage
Drained Wetland
--
6.530
Restore Hydrology,
Fence & Plant
R (Reestablish)
6.530 ac
Grazed Wetland
--
1.120
Fence & Plant
R (Rehabilitate)
1.120 ac
Component Summation
Restoration Level
Stream
(lin. feet)
Riparian Wetland
(acres)
Non -Riparian
Wetland (acres)
Buffer
(sq. feet)
Upland
(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
Person County — Tar -Pam HUC 03020101
10
MY-5 (2021) Annual Monitoring Report
Mogensen Mitigation Inc. MMI
Table 2. Project Activity & Reporting History
Tar River Headwaters Wetland Restoration Site, DMS Project# 97071
Activity or Report
Data Collection
Complete
Actual Completion
or 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
Oct 2021
Nov 2021
Year 6 Monitoring
Year 7 Monitoring
Table 3. Project Contacts Table
Tar River Headwaters Wetland Restoration Site, DMS Project # 97071
Designer
Ecological Engineering, Raleigh NC
Heather Smith: 919-557-0929
Construction Contractor
KBS Earthworks, Greensboro NC
Kory Strader & Brett Strader: 336-685-4339
Survey Contractor
Michael T. Brandon, PLS, Roxboro NC
Michael Brandon: 336-597-8673
Fence Contractor
Strader Fencing, Inc., Julian NC
Kenneth Strader: 336-314-2935
Herbicide and Seeding
KBS Earthworks, Greensboro NC
Kory Strader & Brett Strader: 336-685-4339
Planting Contractor
Mogensen Mitigation Inc, Charlotte NC
Rich Mogensen: 704-576-1111; Gerald Pottern: 919-556-8845
Nursery Stock Suppliers
Mellowmarsh Farms, Siler City NC
Joanie McLean: 919-742-1200
Monitoring Performers
Mogensen Mitigation Inc, Charlotte NC
Rich Mogensen: 704-576-1111; Gerald Pottern: 919-556-8845
Tar River Headwaters Wetland Restoration Site #97071
Person County — Tar -Pam HUC 03020101
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MY-5 (2021) Annual Monitoring Report
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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
USGS Hydrologic Unit 12-digit
Tar-Pam-01
-0102
DWQ Sub -basin
Project Drainage Area (acres)
60
Project Drainage Area Percentage of Impervious Area
0%
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)
Riparian non-riverine (Headwater)
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
Regulation
Applicable?
Resolved?
Supporting
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)
Coastal Area Management Act (CAMA)
No
N/A
N/A
FEMA Floodplain Compliance
No
N/A
NC Floodmaps
Data
Essential Fisheries Habitat
No
N/A
N/A
Tar River Headwaters Wetland Restoration Site #97071
Person County — Tar -Pam H U C 03020101
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MY-5 (2021) Annual Monitoring Report
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APPENDIX B. Visual Assessment Data
Figure 2A. Current Conditions Plan View
Figure 2B. Temporary Strip Plots, May 2021
Table 5. Vegetation Conditions Assessment
Figure 3. Vegetation Plot Photos
Figure 4. Photo Point Photos
Tar River Headwaters Wetland Restoration Site #97071
13 MY-5 (2021) Annual Monitoring Report
Person County — Tar -Pam HUC 03020101 Mogensen Mitigation Inc. MMI
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Figure 2A. Current Conditions Plan View, Fall 2021, MY-5.
Tar River Headwaters Wetland Restoration Site#97071 14 MY-5(2021)Annual Monitoring Report
Person County-Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
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Tar River Headwaters Wetland Restoration Site#97071 15 MY-5 (2021)Annual Monitoring Report
Person County—Tar-Pam HUC 03020101 Mogensen Mitigation Inc. MMI
Table 5: Vegetation Condition Assessment Table -- MY-5 (2021)
Tar River Headwaters Wetland Restoration #97071. Person County HUC #03020101-0102
Planted Acreage = 7.65
Vegetation Problem Category
Definitions
Mapping
Threshold
(acres)
CCPV
Depiction
Number
of
Polygons
Combined
Acreage
% of
Planted
Acreage
Bare Areas
Very limited cover of both woody and
herbaceous material
0.10
N/A
0
0
0%
Low Stem Density Areas
Woody stem densities clearly below target
levels based on MY3, 4, or 5 stern count
criteria.
0.10
N/A
1
0.38
5%
Total
0
5%
Areas of Poor Growth Rates or
Vigor *
Areas with woody stems of a size class that
are obviously small given the monitoring
year.
0.25
N/A
0
0
0%
Cumulative Total
0
0
0%
Easement Acreage = 9.98
Vegetation Problem Category
Definitions
Mapping
Threshold
(SF)
CCPV
Depiction
Number
of
Polygons
Combined
Acreage
% of
Easement
Acreage
Invasive Areas of Concern
Areas or points (if too small to render as
polygons at map scale).
1000
N/A
0
0
0%
Easement Encroachment
Areas
Areas or points (if too small to render as
polygons at map scale).
none
N/A
0
0
0%
Tar River Headwaters Wetland Restoration Site #97071
Person County — Tar -Pam HUC 03020101
16
MY-5 (2021) Annual Monitoring Report
Mogensen Mitigation Inc. MMI
Figure 3. Vegetation Plots: Tar River Headwaters Wetland Restoration Site #97071 MY-5 Fall 2021
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• _yr . ;• f' }K`:=`• I 1 ,n1'' J V • ''Jo
try yr 'inr"
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4.' Dilth' lug i fatting- - '� =`^4 v_ " = :j r ;� h . ii„ .. :`r -
' 'e _ _ .,r: �; a,.E`P•';. r I1 N.tY rPhoPt-3 North: Se21�
Hacth Feh2fi17 �. • . :_I 4. r 'i�: t ,„i.., �c
+.• , �, f r�_ .. � .i �i '�,' [`*'_7 to Lvv �T �
- - - ' ._. ,.. f. - �- _ :�.� .,[.• r�la�`' � fir,+ ril=� _ � � �r �iAr�y:''.Jt�'Y �iTi
Photo Point 3-North: MY-0 Spring 2017 Photo Point 3-North: MY-5 Sept 2021
APPENDIX C. Vegetation Plot Data
Table 6. Vegetation Plot Success Summary
Table 7. Vegetation Plot Stem Count Data
Tar River Headwaters Wetland Restoration (TRHWR) Project, DMS # 97071.
Monitoring Year 5 (Sept 2021) -- Person County NC. Tar -Pam HUC# 03020101
Table 6. CVS Plot Stem Density and Success Summary
CVS Plot #
Wetland Planted Stems
Planted + Volunteer
Stems
Invasive
Woody
Stems
Success
Criteria
Met?
per plot
per acre
per plot
per acre
97071- 20
97071- 21
97071- 22
97071- 23
97071- 24
97071- 25
97071- 26
97071- 27
97071- 28
9
364
15
607
0
Yes
7
283
20
809
0
Yes
8
324
14
• 567
0
Yes
12
486
23
931
0
Yes
8
324
10
405
0
Yes
9
364
10
405
0
Yes
9
364
11
445
0
Yes
9
364
11
445
0
Yes
10
405
12
486
0
Yes
Plots 20-28
81
126
0
Project Avg
9.0
in
14.0
567
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
Exceeds criteria by 10% or more
Exceeds criteria by less than 10%
Fails criteria by less than 10%
Fails criteria by more than 10%
MY4 to MY5
(287 or more)
(260 - 286)
(234 - 259)
(258 or less)
Tar River Headwaters Wetland Restoration (TRHWR) Project, DMS # 97071.
Monitoring Year 5 (Sept 2021) -- Person County NC. Tar -Pamlico HUC# 03020101-0102.
Table 7. CVS Plot Stem Counts and Density by Species.
Lurrent Plot Data (Mt- Sept LULL)
Scientific Name
Common Name
Growth
Tyne
97071-20
97071-21
97071-22
97071-23
97071-24
97071-25
97071-26
Plant
Total
Plant
Total
Plant
Total
Plant
Total
Plant
Total
Plant
Total
Plant
Total
Baccharis halimifolia
Groundsel-tree
Shrub
Betula nigra
River Birch
Tree (P)
4
4
3
3
1
1
4
4
7
7
Carpinus caroliniana
Musclewood
Tree (P)
Cornus amomum
Silky dogwood
Shrub (P)
1
1
Diospyros virginiana
Persimmon
Tree (P)
2
4
3
2
2
2
1
Fraxinus pennsylvanica
Green Ash
Tree (P)
2
1
8
3
6
2
10
1
3
2
Ilex vomitoria
Yaupon holly
Shrub (P)
1
1
1
1
Liquidambarstyraciflua
Sweetgum
Tree
_
6
Liriodendron tulipifera
Tulip Poplar
Tree (P)
2
2
Nyssa biflora
Swamp Blackgum
Tree (P)
Pinustaeda
Loblollypine
Tree
2
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 nigra *
Water Oak
Tree (P)
Quercus phellos *
Willow Oak
Tree (P)
1
1
4
4
2
2
7
7
2
2
Ulmus alata
Winged Elm
Tree
2
Ulmus americana
American Elm
Tree (P)
2
1
4
1
2
3
1
1
(P) = planted species
Planted & Total Stem count
9
15
7
20
8
14
12
23
8
10
9
10
9
11
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
6
5
8
4
7
6
6
3
4
2
4
Stems per ACRE
364
607
283
810
324
567
486
931
324
405
364
405
364
445
Table 7, continued.
Plot Data (MY5 Sep 2021)
Annual Means 2017 - 2021
Scientific Name
Common Name
Growth
Type
97071-27
97071-28
MYO (2017)
MY1 (2017)
MY2 (2018)
MY3 (2019)
MY4 (2020)
MY5 (2021)
Plant
Total
Plant
Total
Plant
Total
Plant
Total
Plant
Total
Plant
Total
Plant
Total
Plant
Total
Baccharis halimifolia
Groundsel-tree
Shrub
2
1
2
3
Betula nigra
River Birch
Tree (P)
2
2
23
23
23
23
22
22
22
22
22
22
21
21
Carpinus caroliniana
Musclewood
Tree (P)
2
2
4
4
6
6
6
6
6
6
6
6
6
6
6
6
Cornus amomum
Silky dogwood
Shrub (P)
1
1
1
1
1
1
Diospyrosvirginiana
Persimmon
Tree (P)
2
2
1
3
1
4
1
13
4
12
Fraxinus pennsylvanica
Green Ash
Tree (P)
2
3
2
3
9
9
10
10
10
17
10
23
10
32
11
37
Ilex vomitoria
Yaupon holly
Shrub (P)
1
2
2
Liquidambarstyraciflua
Sweetgum
Tree
1
12
14
Liriodendron tulipifera
Tulip Poplar
Tree (P)
12
12
6
6
1
2
2
2
2
2
2
2
Nyssa biflora
Swamp Blackgum
Tree (P)
1
1
Pinus taeda
Loblolly pine
Tree
3
1
3
2
Platanus occidentalis
Sycamore
Tree (P)
1
1
5
5
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
2
2
Quercus michauxi *
Swp Chestnut Oak
Tree (P)
2
2
2
2
2
2
Quercus nigra *
Water Oak
Tree (P)
14
14
1
1
Quercus phellos *
Willow Oak
Tree (P)
2
2
6
6
17
17
18
19
19
19
19
19
18
18
Ulmus alata
Winged Elm
Tree
4
2
2
Ulmus americana
American Elm
Tree (P)
4
5
1
10
10
11
14
5
18
8
18
6
17
7
18
Planted & Total Stem count
9
11
10p
12
91
91
82
85
72P
97
77
104v
76
122
81
126
(P) = planted species
ares
1
1
1
1
9
9
9
9
9
9
9
9
9
9
9
9
acres
0.025 0.025
0.025 0.025
0.222
0.222
0.222
0.222
0.222
0.222
0.222
0.222
0.22210.222
0.222I0.222
Species count
4' 5
4r 5
11 11
11
11
9
11
10
13
11
15
12
15
Stems per ACRE
364' 445
4051r 486
409' 409
369
382
324
436
346
468
342
549
364
567
Plant = Planted Stems; Total = Planted + Volunteer Stems of planted species on 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
Exceeds criteria by 10% or more
Exceeds criteria by less than 10%
Fails criteria by less than 10%
Fails criteria by more than 10%
MY1 to MY3
(352 or more)
(320 - 351)
(289 - 319)
(288 or less)
MY4 to MY5
(287 or more)
(260 - 286)
(234 - 259)
(233 or less)
MY6 to MY7
(232 or more)
(210 - 231)
(189 - 209)
(188 or less)
APPENDIX D. Hydrologic Data
Figure 5. Monthly Rainfall Plot with Percentiles
Figure 6. Groundwater Gauge and Rainfall Data
Table 8. Hydrologic Success Attainment
Figure 5. Monthly Rainfall Totals (2021) with 30t", 50t", and 70th normal percentiles.
30-year historical data (1981-2010) at ROXBORO 7 ESE Gauge # 317516 from NC State Climate Office
30-year Climate Normal precipitation
Month 2021 Precip
Jan-21 3.93
Feb-21 6.62
Mar-21 2.71
Apr-21 1.97
May-21 2.38
Jun-21 3.44
July-21 5.22
Aug-21 3.33
Sep-21 3.57
Oct-21 1.95
Nov-21
Dec-21
Annual Ave
7.00
1
6.00
c 4.00
c
0
m
E. 3.00
U
GJ
i
a
2.00
1.00
0.00
30th %
2.45
2.58
2.99
2.18
2.51
2.15
3.38
2.57
1.94
2.65
1.89
50th %
3.81
3.33
4.45
3.34
3.35
3.84
4.57
3.89
3.91
3.72
3.46
70th %
4.46
3.82
5.32
4.21
4.04
4.45
5.44
4.90
4.85
4.72
4.42
2.56 3.71 4.52
45.38
TRH Wetland Restoration Site
2021 Monthly Rainfall and 30-yr Percentiles
I
r
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rainfall 2021
-30th Percentile 70th Percentile
Figure 6A. Groundwater Gauges and Rainfall Data Plots -- Tar River Headwaters Wetland Restoration # 97071
60
40
` 20
n
• 0
0
c -20
40
60
TRH Wetland Restoration Site Gauge 'A' -MY5 (2021)
March 1st - April 20th = 50 Consecutive Days
A.
kit
Jan-21 Feb-21
Y
Co
•
Mar-21 Apr-21
May-21 Jun-21
k
Jul-21 Aug-21
Sep-21 Oct-21
- Groundwater Depth (in) 12 Inches Below Surface - Precipitation (in)
0
Nov-21 Dec-21
3
2.5
2
r
c
1.5 42
m
0.5
0
60
40
C 20
• 0
3
o 20
40
60
TRH Wetland Restoration Site Gauge 'B' -MY5 (2021)
March 1st - April 18th = 48 Consecutive Days
r
N
C
O
�rii iyO
0
All
•
A IL
6 L
MA
A
E
E
A A Alt
TOWit
Season Ends -
Jan-21
Feb-21
Mar-21 Apr-21
May-21 Jun-21
Jul-21 Aug-21
Sep-21 Oct-21
- Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
Nov-21 Dec-21
3
2.5
0.5
0
60
40
20
41
▪ 0
B
3
-20
40
60
TRH Wetland Restoration Site Gauge 'C' -MY5 (2021)
▪ March 1st - April 17th = 47 Consecutive Days
1111111111111111111111111111111
a
O
z
Jan 21
Feb-21
Mar-21
Apr-21
May-21
Jun-21
Jul-21
Aug-21
Sep-21
Oct-21
- Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
Nov-21
Dec-21
2.5
1.5
1
0.5
Daily Rainfall (Inches)
Figure 68. Groundwater Gauges and Rainfall Data Plots -- Tar River Headwaters Wetland Restoration # 97071
60.0
40.0
• 20.0
C
0
0.0
sue+
a
3
= -20.0
-40.0
TRH Wetland Restoration Site Gauge 'D' -MY5 (2021)
March 1st - April 18th = 48 Consecutive Days
B
E
z
-60.0
Jan-21 Feb-21
L
Mar-21 Apr-21
B
May-21 Jun-21
Jul-21 Aug-21
A \
Aik
Sep-21 Oct-21
- Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
A AA
Nov-21 Dec-21
2.5
0.5
60.0
40.0
20.0
a
O 0.0
3 -2D.0
-40.0
-60.0
TRH Wetland Restoration Site Gauge 'E' -MY5 (2021)
t
i
March 1st - April 20th = 50 Consecutive Days
"'
a
E
Y
13
g
z
12
y
ul
l
'
•
C
O
-
-
6-
,rickA
�������������I������������������������������I���������������
3
LI
I
I
k .
A
,
.11A
lYik1l
I Aw
ILM
A
l�n
I
Ak �l
Jan-21
Feb-21
Mar-21 Apr-21
May-21 Jun-21
Jul-21
Aug-21 Sep-21
Oct-21
- Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
Nov-21
Dec-21
3
2.5
0.5
0
60
40
01
L
c 20
L
a
0
W
3
c 20
-40
60
TRH Wetland Restoration Site Gauge 'F' -MY5 (2021)
L
f
March 1st - April 15th = 71 Consecutive Days
a
d
0
z
-0
'O
W
N
C
�
yy
y
O
11
'
I
�.�,.1A1h
''ll
I
�„
��A1�AJlA��
Jan-21
Feb-21
Mar-21 Apr-21
May-21 Jun-21
Jul-21
Aug-21
Sep-21 Oct-21
- Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
Nov-21
Dec-21
3
2.5
0.5
0
Figure 6C. Groundwater Gauges and Rainfall Data Plots -- Tar River Headwaters Wetland Restoration # 97071
60.0
40.0
c 20.0
a
0.0
0
C -20.0
O
40.0
-60.0
Jan-21
Feb-21
TRH Wetland Restoration Site Gauge 'G' -MY5 (2021)
March 1st - April 16th = 46 Consecutive Days
Mar-21
Apr-21
May-21
Jun-21
Jul-21
Aug-21
Sep-21
Oct-21
- Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
Nov-21
Dec-21
d
'o
z
.(5
60
40
20
d
� 0
41
C
3
C 20
40
60
TRH Wetland Restoration Site Gauge 'H' -MY5 (2021)
f
March 1st - April 29th = 59 Consecutive Days
m
a
Y
H
G
0
z
=
W
N
N
m
C
.
OC
N
I\
I !
I i
t
._...i.,\
I
..-
k ,(All
,I..
‘ t..IiLA
I
A
A
1 .L
A
d
A II ,.
J
A I/IA
Jan-21
Feb-21
Mar-21 Apr-21
May-21 Jun-21
Jul-21
Aug-21 Sep-21
Oct-21
- Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
60
40
5 20
• 0
C
� 20
O
t9
40
60
Nov-21
Dec-21
3
2.5
2
L
C
1.5 c
1
0.5
0
TRH Wetland Restoration Site Gauge 'I' -MY5 (2021)
£
March 1st - April 16th = 46 Consecutive Days
E
r
N
G
zo
V
w
N
m
O
.
6
O
-l7
Il
w
M 11
11 1 1 w
A� A AA
Jan-21
Feb-21
Mar-21 Apr-21
May-21 Jun-21
Jul-21
Aug-21 Sep-21
Oct-21
- Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
Nov-21
Dec-21
3
2.5
2 m
C
1.5 .0
C
0.5
0
Figure 6D. Groundwater Gauges and Rainfall Data Plots -- Tar River Headwaters Wetland Restoration # 97071
60.0
40.0
c 20.0
• 0.0
6 -20.0
- 40.0
- 60.0
TRH Wetland Restoration Site Gauge 'J' -MY5 (2021)
f
March 1st - April 18th = 48 Consecutive Days
E
E
C
1
e
C
N
c
C
O
ud
( .
---- ---
t-
- c.
Itf
;
AAA
11
,lq
\ ' A
1. IIM
w¶
A
i
M A
A
A A w_
&
A i
Jan-21
Feb-21
Mar-21
Apr-21 May-21
Jun-21
Jul-21
Aug-21
Sep-21
Oct-21
- Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
Nov-21
Dec-21
3
2.5
2
0.5
0
60.0
40.0
TRH Wetland Restoration Site Gauge 'K' -MY5 (2021)
March 1st - April 16th = 46 Consecutive Days
f
d
s
20.0
L
W
• 0.0 eh. rRiA1
W
B
-20.0
-40.0
-60.0
Jan-21 Feb-21
I°l
Mar-21 Apr-21
A ��AM
May-21
(
Jun-21 Jul-21
A
Aug-21 Sep-21
Ak
Oct-21
ll�
A AA
- Groundwater Depth (in) - - - 12 In hes Below Surface - Precipitation (in)
Nov-21 Dec-21
3
2.5
2
L
C
1.5 8
a.
1 16
0.5
0
TRH Wetland Restoration Site Gauge'L' -MY5 (2021)
Arta ,
Groundwater Depth (Inches)
A N N A c
7 O O O O O c
7 O O O O O [
L
i
March 1st - April 17th = 47 Consecutive Days
M
a
E
w
Y
Ne
z
W
yq
00
O
m
lily Rainfall (Inche
4
,
I I
I
1 1
1
1
`id\
I I1�I1
A A
A l II IM
A
A
.
M A
1n
/ V`
i
A
'Lf
1 A
AA
I
A AA
VV Jan-21 Feb-21 Mar-21 Apr-21 May-21 Jun-21 Jul-21 Aug-21 Sep-21 Oct-21 Nov-21 Dec-21 V
-Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
Figure 6E. Groundwater Gauges and Rainfall Data Plots -- Tar River Headwaters Wetland Restoration # 97071
60.0
40.0
v
20.0
0.0
a
-20.0
0
t9
- 40.0
TRH Wetland Restoration REFERENCE Gauge -MY5 (2021)
March 1st - April 20th = 50 Consecutive Days
a
E
z
V
OC
B
-tom
- 60.0
All
Jan-21 Feb-21
i�
I ft
Mar-21 Apr-21
L
rl
May-21 Jun-21
t w
J
Jul-21 Aug-21
k,1
Sep-21 Oct-21
-Groundwater Depth (in) - - - 12 Inches Below Surface - Precipitation (in)
A gt
Nov-21 Dec-21
3
2.5
2
1.5
1
0.5
0
Daily Rainfall (Inches)
Table 8. Hydrologic Success Attainment 2016 - 2021, Groundwater Wells
Tar River Headwaters Wetland Mitigation Site # 97071.
Maximum Consecutive Days in Growing Season with Water Table above -12.0 inches
2016 MY0
2017 MY1
2018 MY2
2019 MY3
WELL
A
B *
C *
start end days % GS
4/27 5/27 31 12
4/28 5/9 12 51
6/23 7/11 19 8
start end days % GS
4/23 5/16 24 10
4/23 5/16 24 101
4/23 5/21 29 12
start end days % GS
3/1 5/4 65 26
13/1 6/7 99 40
3/1 5/14 75 30
start end days % GS
3/1 4/3 34 14
3/1 5/1 62 25
3/1 4/24 55 22
D
E
F
G
H
I
J
K
L
Ref
4/27 5/16 20 8
4/23 6/2 41 17
3/1 3/20 20 8
4/27 5/15 19 8
3/1 4/7 38 15
4/22 5/12 21 8
4/28 5/16 19 8
4/27 5/11 15 6
na na na na
4/1 6/14 75 30
3/13 4/11 30 12
4/24 5/17 24 10
3/31 4/10 11 4
3/31 4/13 14 6
4/23 5/17 25 10
4/23 5/20 28 11
5/22 6/2 12 5
3/31 4/10 11 4
3/1 6/10 102 41
3/1 6/9 101 41
3/1 5/12 73
3/1 5/3 64
3/1 5/3 64
3/1 5/9 70
3/1 6/9 101
3/1 5/3 64
3/1 5/12 73
3/1 5/2 63
3/1 6/15 107
3/1 5/14 75
29
26
26
28
41
26
29
25
43
30
3/1 4/30 61
3/1 4/30 61
3/1 4/25 56
3/1 4/28 59
3/1 5/4 65
3/1 4/24 55
3/1 5/1 62
3/1 4/25 56
3/1 5/1 62
3/1 5/14 75
25
25
23
24
26
22
25
23
25
30
Groundwater Gauges -- Maximum Consecutive Days in Growing Season with Water Table above -12.0 inches
2020 MY4
2021 MY5
2022 MY6
2023 MY7
WELL
A
B*
C *
start end days % GS
3/1 5/11 72 29
3/1 5/14 75 301
3/1 5/12 73 29
start end days % GS
3/1 4/20 50 20
3/1 4/18 48 19
3/1 4/17 47 19
start end days % GS
start end days % GS
D
E
F
G
H
I
J
K
L
Ref
3/1 5/12 73
3/1 5/13 74
3/1 5/10 71
3/1 5/09 70
3/1 5/17 78
3/1 5/09 70
3/1 5/12 73
3/1 4/05 36
3/1 4/30 61
3/1 5/15 76
29
30
29
28
31
28
29
15
25
31
3/1 4/18 48
3/1 4/20 50
3/1 4/15 45
3/1 4/16 46
3/1 4/29 59
3/1 4/16 46
3/1 4/18 48
3/1 4/16 46
3/1 4/17 47
3/1 4/20 50
19
20
18
19
24
19
19
19
19
20
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.
Percent of 2021 Growing Season with consecutive days of WT at -12 inches or higher.
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