HomeMy WebLinkAbout20200402 Ver 1_W09 Data Forms_20210201U.S. Army Corps of Engineers OMB Control #: 0710-xxxx, Exp: Pending
WETLAND DETERMINATION DATA SHEET — Atlantic and Gulf Coastal Plain Region Requirement Control Symbol EXEMPT:
See ERDC/EL TR-07-24; the proponent agency is CECW-CO-R (Authority: AR 335-15, paragraph 5-2a)
Project/Site: Line 99 City/County: Brunswick Co. Sampling Date: 11-13-19
Applicant/Owner: Duke PNG State: NC Sampling Point: W09
Investigator(s): AB Section, Township, Range:
Landform (hillside, terrace, etc.): terrace Local relief (concave, convex, none): none Slope (%): 2-5
Subregion (LRR or MLRA): LRR P Lat: 33.98002 Long:-78.02383 Datum: NAD83
Soil Map Unit Name: Murville mucky fine sand NWI classification: N/A
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 (136)
_Surface Water (Al) _Aquatic
Fauna (1313)
_Sparsely Vegetated Concave Surface (138)
—High Water Table (A2) —Marl
Deposits (1315) (LRR U)
X Drainage Patterns (B10)
—Saturation (A3) —Hydrogen
Sulfide Odor (Cl)
—Moss Trim Lines (B16)
_Water Marks (131) _Oxidized
Rhizospheres on Living Roots (C3)
_Dry -Season Water Table (C2)
_Sediment Deposits (132) _Presence
of Reduced Iron (C4)
_Crayfish Burrows (C8)
_Drift Deposits (133) _Recent
Iron Reduction in Tilled Soils (C6)
_Saturation Visible on Aerial Imagery (C9)
_Algal Mat or Crust (134) _Thin
Muck Surface (C7)
X Geomorphic Position (D2)
_Iron Deposits (135) _Other
(Explain in Remarks)
_ShallowAquitard (D3)
—Inundation Visible on Aerial Imagery (137)
X FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum Moss (D8) (LRR T, U)
Field Observations:
Surface Water Present? Yes No
X Depth (inches):
Water Table Present? Yes No
X Depth (inches):
Saturation Present? Yes No
X 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 6116-2-SG, JUL 2018 Atlantic and Gulf Coastal Plain — Version 2.0
VEGETATION (Four Strata) - Use scientific names of plants.
Sampling Point: W09
Absolute Dominant
Indicator
Tree Stratum (Plot size: 50*50 )
% Cover Species?
Status
Dominance Test worksheet:
1
Number of Dominant Species
2.
That Are OBL, FACW, or FAC: 3 (A)
3.
Total Number of Dominant
4.
Species Across All Strata: 3 (B)
5.
Percent of Dominant Species
6.
That Are OBL, FACW, or FAC: 100.0% (A/B)
7.
Prevalence Index worksheet:
8.
Total % Cover of: Multiply by:
=Total Cover
OBL species 72 x 1 = 72
50% of total cover:
20% of total cover:
FACW species 10 x 2 = 20
Sapling/Shrub Stratum (Plot size: 50*50
)
FAC species 35 x 3 = 105
1. Morella cerifera
5 Yes
FAC
FACU species 0 x 4 = 0
2.
UPL species 0 x 5 = 0
3.
Column Totals: 117 (A) 197 (B)
4.
Prevalence Index = B/A = 1.68
5.
Hydrophytic Vegetation Indicators:
6.
_ 1 - Rapid Test for Hydrophytic Vegetation
7.
X 2 - Dominance Test is >50%
8.
X 3 - Prevalence Index is :53.0'
5 =Total Cover
-Problematic Hydrophytic Vegetation' (Explain)
50% of total cover:
3 20% of total cover:
1
Herb Stratum (Plot size: 10*10 )
1. Hydrocotyle americana
65 Yes
OBL
'Indicators of hydric soil and wetland hydrology must be
2. Cyperus globulosus
30 Yes
FAC
present, unless disturbed or problematic.
Definitions of Four Vegetation Strata:
3. Dichanthelium clandestinum 10 No FACW
4. Ludwigia ravenii
7 No
OBL
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 3.28 ft (1 m) tall.
9.
10.
Herb - All herbaceous (non -woody) plants, regardless
11.
of size, and woody plants less than 3.28 ft tall.
12.
112 =Total Cover
Woody Vine - All woody vines greater than 3.28 ft in
50% of total cover:
56 20% of total cover:
23
height.
Woody Vine Stratum (Plot size: 10*10 )
1.
2.
3.
4.
5.
Hydrophytic
=Total Cover
Vegetation
50% of total cover:
20% of total cover:
Present? Yes X No
Remarks: (If observed, list morphological adaptations below.)
ENG FORM 6116-2-SG, JUL 2018 Atlantic and Gulf Coastal Plain - Version 2.0
SOIL Sampling Point: W09
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
0-3 10YR 4/2 95 10YR 4/6 5 C PL Loamy/Clayey Prominent redox concentrations
3-12 10YR 5/2 90 10YR 5/6 10 C PL Loamy/Clayey Prominent redox concentrations
'Type: C=Concentration, D=Depletion, RM=Reduced Matrix, MS=Masked Sand Grains.
2Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.)
Indicators for Problematic Hydric Soils3:
_ Histosol (Al)
_Thin Dark Surface (S9) (LRR S, T, U)
_ 1 cm Muck (A9) (LRR O)
_ Histic Epipedon (A2)
_ Barrier Islands 1 cm Muck (S12)
_2 cm Muck (A10) (LRR S)
_Black Histic (A3)
(MLRA 153B, 153D)
_Coast Prairie Redox (A16)
—Hydrogen Sulfide (A4)
—Loamy Mucky Mineral (F1) (LRR O)
(outside MLRA 150A)
_Stratified Layers (A5)
_Loamy Gleyed Matrix (F2)
_Reduced Vertic (F18)
_Organic Bodies (A6) (LRR P, T, U)
X Depleted Matrix (F3)
(outside MLRA 150A, 150B)
_5 cm Mucky Mineral (A7) (LRR P, T, U)
Redox Dark Surface (F6)
_Piedmont Floodplain Soils (F19) (LRR P, T)
—Muck Presence (A8) (LRR U)
—Depleted Dark Surface (F7)
_Anomalous Bright Floodplain Soils (F20)
_ 1 cm Muck (A9) (LRR P, T)
_ Redox Depressions (F8)
(MLRA 153B)
_Depleted Below Dark Surface (Al 1)
_Marl (F10) (LRR U)
_Red Parent Material (F21)
_Thick Dark Surface (Al2)
_Depleted Ochric (F11) (MLRA 151)
_Very Shallow Dark Surface (F22)
_Coast Prairie Redox (A16) (MLRA 150A)
Iron -Manganese Masses (F12) (LRR O, P, T)
(outside MLRA 138, 152A in FL, 154)
Sandy Mucky Mineral (S1) (LRR O, S)
_ Umbric Surface (F13) (LRR P, T, U)
—Barrier Islands Low Chroma Matrix (TS7)
_Sandy Gleyed Matrix (S4)
_Delta Ochric (F17) (MLRA 151)
(MLRA 153B, 153D)
_Sandy Redox (S5)
Reduced Vertic (F18) (MLRA 150A, 150B)
_Other (Explain in Remarks)
_Stripped Matrix (S6)
_Piedmont Floodplain Soils (F19) (MLRA 149A)
—Dark Surface (S7) (LRR P, S, T, U)
_Anomalous Bright Floodplain Soils (F20)
_ Polyvalue Below Surface (S8)
(MLRA 149A, 153C, 153D)
3Indicators of hydrophytic vegetation and
(LRR S, T, U)
_Very Shallow Dark Surface (F22)
wetland hydrology must be present,
(MLRA 138, 152A in FL, 154)
unless disturbed or problematic.
Restrictive Layer (if observed):
Type:
Depth (inches): Hydric Soil Present? Yes X No
Remarks:
ENG FORM 6116-2-SG, JUL 2018 Atlantic and Gulf Coastal Plain — Version 2.0
U.S. Army Corps of Engineers OMB Control #: 0710-xxxx, Exp: Pending
WETLAND DETERMINATION DATA SHEET — Atlantic and Gulf Coastal Plain Region Requirement Control Symbol EXEMPT:
See ERDC/EL TR-07-24; the proponent agency is CECW-CO-R (Authority: AR 335-15, paragraph 5-2a)
Project/Site: Line 99 City/County: Brunswick Co. Sampling Date: 11-13-19
Applicant/Owner: Duke PNG State: NC Sampling Point: UpIW09
Investigator(s): AB Section, Township, Range:
Landform (hillside, terrace, etc.): terrace Local relief (concave, convex, none): none Slope (%): 2-5
Subregion (LRR or MLRA): LRR P Lat: 33.98024 Long:-78.023895 Datum: NAD83
Soil Map Unit Name: Leon sand NWI classification: N/A
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 No X within a Wetland? Yes No X
Wetland Hydrology Present? Yes No X
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 (136)
_Surface Water (Al) _Aquatic
Fauna (1313)
_Sparsely Vegetated Concave Surface (138)
—High Water Table (A2) —Marl
Deposits (1315) (LRR U)
_ Drainage Patterns (B10)
—Saturation (A3) —Hydrogen
Sulfide Odor (Cl)
—Moss Trim Lines (B16)
_Water Marks (131) _Oxidized
Rhizospheres on Living Roots (C3)
_Dry -Season Water Table (C2)
_Sediment Deposits (132) _Presence
of Reduced Iron (C4)
_Crayfish Burrows (C8)
_Drift Deposits (133) _Recent
Iron Reduction in Tilled Soils (C6)
_Saturation Visible on Aerial Imagery (C9)
_Algal Mat or Crust (134) _Thin
Muck Surface (C7)
_Geomorphic Position (D2)
_Iron Deposits (135) _Other
(Explain in Remarks)
_ShallowAquitard (D3)
—Inundation Visible on Aerial Imagery (137)
_ FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum Moss (D8) (LRR T, U)
Field Observations:
Surface Water Present? Yes No
X Depth (inches):
Water Table Present? Yes No
X Depth (inches):
Saturation Present? Yes No
X Depth (inches):
Wetland Hydrology Present? Yes No X
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
ENG FORM 6116-2-SG, JUL 2018 Atlantic and Gulf Coastal Plain — Version 2.0
VEGETATION (Four Strata) - Use scientific names of plants.
Sampling Point: UpIW09
Absolute Dominant
Indicator
Tree Stratum (Plot size: 50*50 )
% Cover Species?
Status
Dominance Test worksheet:
1
Number of Dominant Species
2.
That Are OBL, FACW, or FAC: 2 (A)
3.
Total Number of Dominant
4.
Species Across All Strata: 2 (B)
5.
Percent of Dominant Species
6.
That Are OBL, FACW, or FAC: 100.0% (A/B)
7.
Prevalence Index worksheet:
8.
Total % Cover of: Multiply by:
=Total Cover
OBL species 0 x 1 = 0
50% of total cover:
20% of total cover:
FACW species 10 x 2 = 20
Sapling/Shrub Stratum (Plot size: 50*50
)
FAC species 75 x 3 = 225
1. Morella cerifera
5 Yes
FAC
FACU species 10 x 4 = 40
2.
UPL species 0 x 5 = 0
3.
Column Totals: 95 (A) 285 (B)
4.
Prevalence Index = B/A = 3.00
5.
Hydrophytic Vegetation Indicators:
6.
_ 1 - Rapid Test for Hydrophytic Vegetation
7.
X 2 - Dominance Test is >50%
8.
3 - Prevalence Index is :53.0'
5 =Total Cover
-Problematic Hydrophytic Vegetation' (Explain)
50% of total cover:
3 20% of total cover:
1
Herb Stratum (Plot size: 10*10 )
1. Andropogon virginicus
70 Yes
FAC
'Indicators of hydric soil and wetland hydrology must be
2. Eupatorium capillifolium
10 No
FACU
present, unless disturbed or problematic.
Definitions of Four Vegetation Strata:
3. Juncus torreyi 10 No FACW
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 3.28 ft (1 m) tall.
9.
10.
Herb - All herbaceous (non -woody) plants, regardless
11.
of size, and woody plants less than 3.28 ft tall.
12.
90 =Total Cover
Woody Vine - All woody vines greater than 3.28 ft in
50% of total cover:
45 20% of total cover:
18
height.
Woody Vine Stratum (Plot size: 10*10 )
1.
2.
3.
4.
5.
Hydrophytic
=Total Cover
Vegetation
50% of total cover:
20% of total cover:
Present? Yes X No
Remarks: (If observed, list morphological adaptations below.)
ENG FORM 6116-2-SG, JUL 2018 Atlantic and Gulf Coastal Plain - Version 2.0
SOIL Sampling Point: UPIW09
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
0-15 2.5Y 5/3 60
10YR 3/2 40 C PL Loamy/Clayey Distinct redox concentrations
'Type: C=Concentration, D=Depletion, RM=Reduced Matrix, MS=Masked Sand Grains.
2Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.)
Indicators for Problematic Hydric Soils3:
_ Histosol (Al)
_Thin Dark Surface (S9) (LRR S, T, U)
_ 1 cm Muck (A9) (LRR O)
_ Histic Epipedon (A2)
_ Barrier Islands 1 cm Muck (S12)
_2 cm Muck (A10) (LRR S)
_Black Histic (A3)
(MLRA 153B, 153D)
_Coast Prairie Redox (A16)
—Hydrogen Sulfide (A4)
—Loamy Mucky Mineral (F1) (LRR O)
(outside MLRA 150A)
_Stratified Layers (A5)
_Loamy Gleyed Matrix (F2)
_Reduced Vertic (F18)
_Organic Bodies (A6) (LRR P, T, U)
_Depleted Matrix (F3)
(outside MLRA 150A, 150B)
_5 cm Mucky Mineral (A7) (LRR P, T, U)
Redox Dark Surface (F6)
_Piedmont Floodplain Soils (F19) (LRR P, T)
—Muck Presence (A8) (LRR U)
—Depleted Dark Surface (F7)
_Anomalous Bright Floodplain Soils (F20)
_ 1 cm Muck (A9) (LRR P, T)
_ Redox Depressions (F8)
(MLRA 153B)
_Depleted Below Dark Surface (Al 1)
_Marl (F10) (LRR U)
_Red Parent Material (F21)
_Thick Dark Surface (Al2)
_Depleted Ochric (F11) (MLRA 151)
_Very Shallow Dark Surface (F22)
_Coast Prairie Redox (A16) (MLRA 150A)
Iron -Manganese Masses (F12) (LRR O, P, T)
(outside MLRA 138, 152A in FL, 154)
Sandy Mucky Mineral (S1) (LRR O, S)
_ Umbric Surface (F13) (LRR P, T, U)
—Barrier Islands Low Chroma Matrix (TS7)
_Sandy Gleyed Matrix (S4)
_Delta Ochric (F17) (MLRA 151)
(MLRA 153B, 153D)
_Sandy Redox (S5)
Reduced Vertic (F18) (MLRA 150A, 150B)
_Other (Explain in Remarks)
_Stripped Matrix (S6)
_Piedmont Floodplain Soils (F19) (MLRA 149A)
—Dark Surface (S7) (LRR P, S, T, U)
_Anomalous Bright Floodplain Soils (F20)
_ Polyvalue Below Surface (S8)
(MLRA 149A, 153C, 153D)
3Indicators of hydrophytic vegetation and
(LRR S, T, U)
_Very Shallow Dark Surface (F22)
wetland hydrology must be present,
(MLRA 138, 152A in FL, 154)
unless disturbed or problematic.
Restrictive Layer (if observed):
Type:
Depth (inches):
Hydric Soil Present? Yes No X
Remarks:
ENG FORM 6116-2-SG, JUL 2018 Atlantic and Gulf Coastal Plain — Version 2.0