20220744 Ver 1_5 - 49_15519-A 948 Washington Street Parcels Wetland Delineation Report_20220525

WETLAND/STREAM DELINEATION
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WASHINGTON STREET SITE
948 WASHINGTON STREET AND 301 MACON STREET
DURHAM, DURHAM COUNTY, NORTH CAROLINA
ECS PROJECT NO. 49:15519-A
FOR COPERNICA PROPERTIES, LLC
1 1/17/2021

ECS Southeast, LLP "Setting the Standard for Service"
Geotechnical • Construction Materials • Environmental • Facilities
11/17/2021
Mr. Stuart Cullinan
Copernica Properties, LLC
319 Seawell Ave
North Carolina, 27601
ECS Project No. 49:15519-A
Reference: Waters of the US Delineation Report, Washington Street Site, 948 Washington Street and
301 Macon Street, Durham, Durham county North Carolina
Dear Mr. Cullinan:
ECS Southeast, LLP (ECS) is pleased submit this report of the Waters of the US services for the
above-referenced site. ECS services were provided in general accordance with ECS Proposal
No. 49:15519-A authorized on 10/26/2021 and generally meet the requirements of the 1987 U.S.
Army Corps of Engineers (USACE) Wetlands Delineation Manual, and on the Regional Supplement
to the Corps of Engineers Wetland Delineation Manual: Eastern Mountains and Piedmont Region,
Version 2.0 dated April 2012. Based on our field reconnaissance,potentially jurisdictional Waters of
the US(WOUS) are present onsite.
If there are questions regarding this report, or a need for further information, please contact the
undersigned.
ECS Southeast, LLP
ieLotit KA t (if 5,-6.1.44, FIA6
Michelle Measday, CFM, PWS Brandon Fulton, LSS, PSC, PWS
Environmental Senior Project Manager Environmental Principal
[e-mail] [e-mail]
919-861-9910 704-525-5152
5260 Greens Dairy Road, Raleigh, North Carolina 27616 • T: 919-861-9910 • F:919-861-9911 • ecslimited.com
ECS Florida,LLC • ECS It)Oli6- ,tigiitiAarti.flg•NDCS-RAMest, LfbIC GEFIca6girNitheCaa513LP • ECS Southwest, LLP
ECS Capitol Services, PLLC-An Associate of the ECS Group of Companies

11/17/2021 ECS Southeast, LLP
1.0 INTRODUCTION
This report presents the findings of a Wetland/Stream Delineation study conducted by ECS
Southeast, LLP (ECS) for Copernica Properties, LLC at the Washington Street Site located at 948
Washington Street and 301 Macon Street, Durham, Durham county, North Carolina
(36.008863, -78.899624), and is identified by the Durham county GIS website as Parcel No(s).
0822-92-71-8637, 0822-92-91-6882, 0832-02-01-4888, and 0832-02-11-3913. The site includes
approximately 1.02-acres, as shown on the Site Location Map (Appendix I, Figure 1).The site currently
consists of undeveloped wooded land. Surrounding land uses include residential, commercial and
industrial.The purpose of this study was to identify and delineate jurisdictional Waters of the U.S.
(WOUS)within the project study area (PSA).
Wetlands are defined by the United States Army Corps of Engineers (USACE) and the United States
Environmental Protection Agency (EPA) as "those areas that are inundated or saturated by surface
or groundwater at a frequency and duration sufficient to support, and under normal circumstances,
do support a prevalence of vegetation typically adapted for life in saturated soil conditions." In order
for an area to be classified as wetland, hydrophytic vegetation, hydric soils, and wetland hydrology
indicators must be present described in the 1987 "Corps of Engineers Wetlands Delineation Manual"
and the Appropriate Regional Supplement.
2.0 Mt I HUUULUbY
This WOUS delineation is based on ECS' professional judgment and application of the technical
criteria presented in the 1987 USACE Wetlands Delineation Manual, and on the Regional Supplement
to the Corps of Engineers Wetland Delineation Manual: Eastern Mountains and Piedmont Region,
Version 2.0 dated April 2012.
ECS completed the following tasks to identify and delineate potentially jurisdictional WOUS
boundaries onsite:
2.1 Literature Review
ECS wetland scientists reviewed the US Geological Survey (USGS) Topographic Map, US Department
of Agriculture Natural Resource Conservation Service(USDA-NRCS)Soil Survey of Durham county,the
USDA NRCS 2015 National Hydric Soils List for Durham county, the Federal Emergency Management
Agency (FEMA) Floodplain Mapping Service, US Fish & Wildlife Service (USFWS) National Wetlands
Inventory (NWI) Wetlands Mapper, and available aerial photographs to identify potentially
jurisdictional Waters of the US(i.e., streams,wetlands, natural ponds, lakes), and available watershed
information.
2.2 Methodology for Field Investigation
Wetland boundaries were delineated using the routine onsite determination method described in the
USACE Manual and Regional Supplement, in conjunction with the Piedmont 2016 Regional Wetland
Plant List, and the USDA Soil Survey.
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ECS performed onsite wetland delineations as described above. First, site hydrology was observed
and the plant community within the data plot was characterized. The dominant plant species within
each community were then identified, and it was determined whether or not hydrophytic (wetland)
plants dominated the plant community. The USFWS has defined five wetland plant indicator
categories including:
• Obligate wetland (OBL)- has >99% probability of occurring in wetlands
• Facultative wetland (FACW)- has 66%to 99%chance of occurring in wetlands
• Facultative (FAC)- has 33%to 66% chance of occurring in wetlands
• Facultative upland (FACU)- has 1 to 33%chance of occurring in wetlands
• Upland (UPL)- has <1%chance of occurring in wetlands
• No Indicator(NI)- no wetland indicator for the specified species, considered UPL
Plants identified as OBL, FACW, or FAC are considered wetland plants (or hydrophytes) by USACE.
In areas determined to have hydrophytic vegetation and potential wetland hydrology, an
approximately 16-24 inch hand auger soil boring or shovel test pit was completed to determine if
hydric soils were present. The soil boring was also inspected to determine if indicators of wetland
hydrology(inundation, soil saturation, etc.)were present.
Once an area is determined to be a wetland, further testing was performed to locate the wetland/
upland (non-wetland) boundary. A second soil data point was completed in the upland area to
document non-wetland conditions. Wetland boundaries were marked with consecutively numbered
surveyor's ribbon flags.
Data forms specified in the Regional Supplement were completed for each wetland and non-wetland
soil data point location. The data forms recorded the vegetation, soils, and hydrology observations
used in making the wetland determinations.
3.0 FINDINGS
3.1 Literature Review Summary
The following is a summary of the available desktop information that was reviewed as part of this
assessment:
• According to the USGS Topographic Map, Northwest Durham, North Carolina Quadrangle
dated 1993 (Figure 2), the PSA is situated at an approximate elevation of 352 feet above
mean sea level (MSL).No streams or wetlands are depicted on the USGS Topographic Map.
• According to the NRCS Durham county Web Soil Survey, dated 2019 (Figure 3), soils on the
PSA have been mapped as Units WwC: White Store Urban Land Complex, 0 to 10 percent
slopes. WwE: white Store Urban Land Complex, 10 to 25 percent slopes . The
aforementioned soils are not listed as a hydric soil on the national hydric soils list for Durham
county, North Carolina.
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• The FEMA Flood Insurance Rate Maps (FIRMs), Panel FM 3720082200K, dated October, 19,
2018 (Figure 4)indicates the PSA is located in unshaded Zone X.These areas are determined
to be outside the 0.2%Annual Chance Floodplain.
• The US Fish and Wildlife NWI map (Figure 5)does not identify wetlands on the PSA.
• The site is located within the Neuse watershed and is identified as Hydrologic Unit Code
(HUC)03020201.
3.2 Field Investigation Findings
ECS personnel conducted the field investigation on November 3, 2021.The last precipitation event
prior to the site reconnaissance was on October 29, 2021 and approximately 0.74 inches
of precipitation] was recorded. During the reconnaissance, ECS observed the PSA for evidence of
WOUS, including ponds, streams, and wetlands.
jurisdictional areas were marked with pink flagging tape and located using a Trimble GeoXH
hand-held GPS unit capable of sub-foot accuracy. ECS identified one potentially jurisdictional
area summarized in the table below:
Table 1:WOUS Summary Table
Wetland/Stream ID Acreage Square Footage
Wetland W1 0.078 3,398
3.2.1 Wetland Summary
Wetland W1 was observed in the western most portions of the site. Demolition of a building resulted
in water collecting within the excavation, which has resulted in the development of a wetland area.
The wetland area exhibited wetland indicators of hydrophytic vegetation, wetland hydrology, and
hydric soils during the site reconnaissance.
3.2.2 Stream Summary
Streams were not identified within the project limits during this assessment.
4.0 REGULATORY DISCUSSION
The WOUS are regulated by Sections 401 and 404 of the Clean Water Act. State and Federal law
dictates that any disturbance to WOUS must be permitted through the appropriate agencies.
Upon your request, we will contact the USACE to schedule a field meeting to conduct a wetlands
and Waters boundary confirmation and preliminary jurisdictional determination. The timeline of this
process is dependent on the availability of the regulator. If any potential impacts are proposed,
we can assist you with permitting options and support to complete the process. In the interim,
we recommend further review of state and federal agency records pertaining to Section 7 (Federal
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Endangered Species Act) and Section 106 (National Historic Preservation Act). These reviews will
generally be required to verify compliance for either the Nationwide Permit(NWP) or General Permit
conditions.
If jurisdictional wetlands and streams are present at the site, planned land disturbance in these areas
would likely require a permit from the U.S. Army Corps of Engineers and/or the NC Department of
Water Resources.
.0 WATERSHED CLASSIFICATION/BUFFER REQUIREMENTS
5.1 State Riparian Buffer Requirements
According to the NC Department of Water Resources, the site occurs in the Neuse River Basin, which
is designated as NSW (nutrient sensitive waters). No streams are located on the site, therefore State
mandated riparian buffers associated with mapped waterways within the Neuse River Basin do not
apply.
5.2 Local Buffer Requirements
According to the Durham county Planning Department, there are no additional riparian buffer
requirements in addition to the State mandated rule. As mentioned above with no mapped
waterways onsite, State mandated riparian buffers do not apply.
6.0 CONCLUSIONS
One jurisdictional wetland area totaling 0.07-acre was identified and delineated within the study
area.The locations and boundaries of jurisdictional Waters are illustrated on the attached Potential
Waters of the U.S. Map (Figure 6).
The flagged WOUS boundaries are subject to change during the jurisdictional determination meeting
with the USACE. ECS cannot guarantee that field conditions and/or WOUS boundaries will not change
over time.
ECS Project#49:15519-A
Page 4

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NOTESW.'Nel
_ 1. JURISDICTIONAL WATERS OF
*-'j f -0111I THE US WERE DELINEATED BY
1 ECS ON NOVEMBER 3,2021.
• - 2. FEATURES DEPICTED ON
.4. t •- 2.__ y THIS MAP HAVE NOT BEEN
•� �• K ` • VERIFIED BY THE USACE AND
j, x. �s L NCDWR AND ARE SUBJECT TO
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•'t - -; I - 3. THIS MAP SHOULD BE USED
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ECS Project#49:15519-A

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ECS Project#49:15519-A

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ECS Project#49:15519-A

11/17/2021 ECS Southeast, LLP
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ECS Project#49:15519-A

U.S. Army Corps of Engineers OMB Control#:0710-xxxx,Exp:Pending
WETLAND DETERMINATION DATA SHEET—Eastern Mountains and Piedmont Region Requirement Control Symbol EXEMPT:
See ERDC/EL TR-07-24; the proponent agency is CECW-CO-R (Authority:AR335-15,paragraph5-2a)
Project/Site: Washington Street Site City/County: Durham/Durham Sampling Date: 11/3/2021
Applicant/Owner: Copernica State: NC Sampling Point: DP-1 (W1)
Investigator(s): M Measday/J Mahoney Section,Township, Range: None
Landform(hillside,terrace,etc.): Local relief(concave,convex,none): Concave Slope(%): 2-3%
Subregion(LRR or MLRA): LRR P,MLRA 136 Lat: 36.008863 Long:-78.899624 Datum: Nad 83
Soil Map Unit Name: WwE NWI classification: None
Are climatic/hydrologic conditions on the site typical for this time of year? Yes X No (If no,explain in Remarks.)
Are Vegetation ,Soil ,or Hydrology significantly disturbed? Are"Normal Circumstances"present? Yes X No
Are Vegetation ,Soil ,or Hydrology naturally problematic? (If needed,explain any answers in Remarks.)
SUMMARY OF FINDINGS—Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No Is the Sampled Area
Hydric Soil Present? Yes X No within a Wetland? Yes X No
Wetland Hydrology Present? Yes X No
Remarks:
HYDROLOGY
Wetland Hydrology Indicators: Secondary Indicators(minimum of two required)
Primary Indicators(minimum of one is required:check all that apply) _Surface Soil Cracks(B6)
X Surface Water(Al) _True Aquatic Plants(B14) _Sparsely Vegetated Concave Surface(B8)
_High Water Table(A2) _Hydrogen Sulfide Odor(C1) _Drainage Patterns(B10)
_Saturation(A3) _Oxidized Rhizospheres on Living Roots(C3) _Moss Trim Lines(B16)
_Water Marks(B1) _Presence of Reduced Iron(C4) Dry-Season Water Table(C2)
_Sediment Deposits(B2) _Recent Iron Reduction in Tilled Soils(C6) _Crayfish Burrows(C8)
_Drift Deposits(B3) _Thin Muck Surface(C7) _Saturation Visible on Aerial Imagery(C9)
Algal Mat or Crust(B4) _Other(Explain in Remarks) _Stunted or Stressed Plants(D1)
_Iron Deposits(B5) _Geomorphic Position(D2)
_Inundation Visible on Aerial Imagery(B7) _Shallow Aquitard(D3)
_Water-Stained Leaves(B9) _Microtopographic Relief(D4)
Aquatic Fauna(B13) X FAC-Neutral Test(D5)
Field Observations:
Surface Water Present? Yes X No Depth(inches): 12
Water Table Present? Yes No Depth(inches):
Saturation Present? Yes No Depth(inches): Wetland Hydrology Present? Yes X No
(includes capillary fringe)
Describe Recorded Data(stream gauge,monitoring well,aerial photos,previous inspections),if available:
Remarks:
ENG FORM 6116-4-SG,JUL 2018 Eastern Mountains and Piedmont—Version 2.0

VEGETATION (Four Strata) - Use scientific names of plants. Sampling Point: DP-1 (W1)
Absolute Dominant Indicator
Tree Stratum (Plot size: 30'r ) %Cover Species? Status Dominance Test worksheet:
1. Acer rubrum 25 Yes FAC Number of Dominant Species
2. Platanus occidentalis 25 Yes FACW That Are OBL, FACW,or FAC: 6 (A)
3. Salixnigra 15 Yes OBL Total Number of Dominant
4. Species Across All Strata: 6 (B)
5. Percent of Dominant Species
6. That Are OBL, FACW,or FAC: 100.0% (A/B)
7. Prevalence Index worksheet:
65 =Total Cover Total%Cover of: Multiply by:
50%of total cover: 33 20%of total cover: 13 OBL species 30 x 1 = 30
Sapling/Shrub Stratum (Plot size: 30'r ) FACW species 45 x 2= 90
1. Acer rubrum 15 Yes FAC FAC species 40 x 3= 120
2. FACU species 0 x 4= 0
3. UPL species 0 x 5= 0
4. Column Totals: 115 (A) 240 (B)
5. Prevalence Index =B/A= 2.09
6. Hydrophytic Vegetation Indicators:
7. 1 -Rapid Test for Hydrophytic Vegetation
8. X 2-Dominance Test is>50%
9. X 3-Prevalence Index is<-3.0'
15 =Total Cover 4-Morphological Adaptations'(Provide supporting
50%of total cover: 8 20%of total cover: 3 data in Remarks or on a separate sheet)
Herb Stratum (Plot size: 30'r ) _Problematic Hydrophytic Vegetation' (Explain)
1. Typha latifolia 15 Yes OBL 'Indicators of hydric soil and wetland hydrology must be
2. Juncus effusus 20 Yes FACW present,unless disturbed or problematic.
3. Definitions of Four Vegetation Strata:
4. Tree-Woody plants,excluding vines,3 in.(7.6 cm)or
5. more in diameter at breast height(DBH),regardless of
6. height.
7. Sapling/Shrub-Woody plants,excluding vines,less
8. than 3 in. DBH and greater than or equal to 3.28 ft (1
9. m)tall.
10. Herb-All herbaceous(non-woody)plants,regardless
11 of size,and woody plants less than 3.28 ft tall.
35 =Total Cover Woody Vine-All woody vines greater than 3.28 ft in
50%of total cover: 18 20%of total cover: 7 height.
Woody Vine Stratum (Plot size: 30'r )
1.
2.
3.
4.
5.
Hydrophytic
=Total Cover Vegetation
50%of total cover: 20%of total cover: Present? Yes X No
Remarks:(Include photo numbers here or on a separate sheet.)
ENG FORM 6116-4-SG,JUL 2018 Eastern Mountains and Piedmont-Version 2.0

SOIL Sampling Point: DP-1 (W1)
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color(moist) % Color(moist) % Type' Loc2 Texture Remarks
0-18 10YR 4/2 90 10YR 5/6 10 C PL/M Loamy/Clayey
'Type: C=Concentration, D=Depletion, RM=Reduced Matrix, MS=Masked Sand Grains. 2Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: Indicators for Problematic Hydric Soils3:
_Histosol(A1) _Polyvalue Below Surface(S8)(MLRA 147,148) _2 cm Muck(A10)(MLRA 147)
Histic Epipedon(A2) _Thin Dark Surface(S9)(MLRA 147,148) Coast Prairie Redox(A16)
_Black Histic(A3) _Loamy Mucky Mineral(F1)(MLRA 136) (MLRA 147,148)
Hydrogen Sulfide(A4) Loamy Gleyed Matrix(F2) Piedmont Floodplain Soils(F19)
Stratified Layers(A5) X Depleted Matrix(F3) (MLRA 136,147)
2 cm Muck(A10)(LRR N) Redox Dark Surface(F6) _Red Parent Material(F21)
Depleted Below Dark Surface(A11) Depleted Dark Surface(F7) (outside MLRA 127,147,148)
_Thick Dark Surface(Al2) _Redox Depressions(F8) _Very Shallow Dark Surface(F22)
Sandy Mucky Mineral(S1) Iron-Manganese Masses(F12)(LRR N, Other(Explain in Remarks)
Sandy Gleyed Matrix(S4) MLRA 136)
Sandy Redox(S5) _Umbric Surface(F13)(MLRA 122,136) 3lndicators of hydrophytic vegetation and
_Stripped Matrix(S6) Piedmont Floodplain Soils(F19)(MLRA 148) wetland hydrology must be present,
Dark Surface(S7) Red Parent Material(F21)(MLRA 127,147,148) unless disturbed or problematic.
Restrictive Layer(if observed):
Type:
Depth(inches): Hydric Soil Present? Yes X No
Remarks:
ENG FORM 6116-4-SG,JUL 2018 Eastern Mountains and Piedmont—Version 2.0