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HomeMy WebLinkAbout20150389 Ver 1_Bridge 101 WA_wetland_determination_form_20150423US Army Corps of Engineers Eastern Mountains and Piedmont – Interim Version WETLAND DETERMINATION DATA FORM – Eastern Mountains and Piedmont 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) Surface Water (A1) Aquatic Fauna (B13) Sparsely Vegetated Concave Surface (B8) High Water Table (A2) True Aquatic Plants (B14) Drainage Patterns (B10) Saturation (A3) Hydrogen Sulfide Odor (C1) Moss Trim Lines (B16) Water Marks (B1) Oxidized Rhizospheres along Living Roots (C3) Dry-Season Water Table (C2) Sediment Deposits (B2) Presence of Reduced Iron (C4) Crayfish Burrows (C8) Drift Deposits (B3) Recent Iron Reduction in Tilled Soils (C6) Saturation Visible on Aerial Imagery (C9) Algal Mat or Crust (B4) Thin Muck Surface (C7) Geomorphic Position (D2) Iron Deposits (B5) Other (Explain in Remarks) Shallow Aquitard (D3) Inundation Visible on Aerial Imagery (B7) Microtopographic Relief (D4) Water-Stained Leaves (B9) FAC-Neutral Test (D5) Field Observations: Wetland Hydrology Present? Yes No Surface Water Present? Yes No Depth (inches): 1 Water Table Present? Yes No Depth (inches): 0 Saturation Present? (includes capillary fringe) Yes No Depth (inches): 0 Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: WA begins outside of study area to the northwest – ponded area extends to roadside ditch then runs as a linear wetland in the ditch down to Stony Creek Project/Site: 67-0101 City/County: Orange Sampling Date: 4/04/12 Applicant/Owner: NCDOT State:NC Sampling Point: WA Investigator(s): J.Hemphill Section, Township, Range: Landform (hillslope, terrace, etc.): Local relief (concave, convex, none): Slope (%): Subregion (LRR or MLRA): N Lat: Long: Datum: Soil Map Unit Name: Congaree fine sandy loam 0 to 2 percent slopes, frequently flooded NWI classification: Are climatic / hydrologic conditions on the site typical for this time of year? Yes No (If no, explain in Remarks.) Are Vegetation , Soil , or Hydrology , significantly disturbed? Are “Normal Circumstances” present? Yes 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 No Is the Sampled Area within a Wetland? Yes No Hydric Soil Present? Yes No Wetland Hydrology Present? Yes No Remarks: US Army Corps of Engineers Eastern Mountains and Piedmont – Interim Version VEGETATION – Use scientific names of plants Sampling Point: Error! Reference source not found.WA Tree Stratum (Plot size: ) Absolute % Cover Dominant Species? Indicator Status Dominance Test Worksheet: 1. Acer rubrum 50 Yes FAC Number of Dominant Species That Are OBL, FACW, or FAC: 5 (A) 2. Fraxinus pennsylvanica 10 No FACW 3. Total Number of Dominant Species Across All Strata: 5 (B) 4. 5. Percent of Dominant Species That Are OBL, FACW, or FAC: 100 (A/B) 6. 7. Prevalence Index worksheet: 8. Total % Cover of : Multiply by: 60 = Total Cover OBL species x1 = Sapling/Shrub Stratum (Plot size: ) FACW species x2 = 1. Lonicera japonica 30 Yes FAC FAC species x3 = 2. Ulmus rubra 30 Yes FAC FACU species x4 = 3. Acer rubrum 20 No FAC UPL species x5 = 4. Rubrus spp 20 No N/A Column Totals: (A) (B) 5. Liquidambar styraciflua 15 No FAC Prevalence Index = B/A = 6. Sambucus nigra ssp canadensis 10 No FACW Hydrophytic Vegetation Indicators: 7. 1 - Rapid Test for Hydrophytic Vegetation 8. 2 - Dominance Test is >50% 3 - Prevalence Index is <3.01 125 = Total Cover 4-Morphological Adaptations1 (Provide supporting data in Remarks or on a separate sheet) Herb Stratum (Plot size: ) Problematic Hydrophytic Vegetation1 (Explain) 1. Carex spp 30 Yes OBL 1Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. 2. Scirpus cyperinus 25 Yes FAC Definitions of Vegetation Strata: 3. Cinna arundinacea 10 No FACW Tree – Woody plants, excluding vines, 3 in. (7.6 cm) or more in diameter at breast height (DBH), regardless of height. Sapling/Shrub – Woody plants, excluding vines, less than 3 in. DBH and greater than 3.28 ft tall. Herb – All herbaceous (non-woody) plants, regardless of size, and woody plants less than 3.28 ft tall. Woody vine – All woody vines greater than 3.28 ft in height. 4. 5. 6. 7. 8. 9. 10. 11. 12. 125 = Total Cover Woody Vine Stratum (Plot size: ) Hydrophytic Vegetation Present? Yes No 1. 2. 3. 4. 5. = Total Cover US Army Corps of Engineers Eastern Mountains and Piedmont – Interim Version Remarks: (If observed, list morphological adaptations below). SOIL Sampling Point: Error! Reference source not found.WA 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) % Type1 Loc2 Texture Remarks 0-14 10YR 5/2 80 10YR 5/8 20 C M Clay loam 1Type: 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 (A1) Dark Surface (S7) 2 cm Muck (A10) (MLRA 147) Histic Epipedon (A2) Polyvalue Below Surface (S8) (MLRA 147, 148) Coastal Prairie Redox (A16) Black Histic (A3) Thin Dark Surface (S9) (MLRA 147, 148) Piedmont Floodplain Soils (F19) (MLRA 136, 147) Hydrogen Sulfide (A4) Loamy Gleyed Matrix (F2) Red Parent Material (TF2) Stratified Layers (A5) Depleted Matrix (F3) Very Shallow Dark Surface (TF12) Other (Explain in Remarks) 2 cm Muck (A10) (LRR N) Redox Dark Surface (F6) Depleted Below Dark Surface (A11) Depleted Dark Surface (F7) Thick Dark Surface (A12) Redox Depressions (F8) Sandy Mucky Mineral (S1) (LRR N, MLRA 147, 148) Iron-Manganese Masses (F12) (LRR N, MLRA 136 Sandy Gleyed Matrix (S4) Umbric Surface (F13) (MLRA 136, 122) 3Indicators of hydrophytic vegetation and wetland hydrology must be present, unless disturbed or problematic. Sandy Redox (S5) Piedmont Floodplain Soils (F19) (MLRA 148) Stripped Matrix (S6) Restrictive Layer (if present): Hydric Soils Present? Yes No Type: Depth (inches): US Army Corps of Engineers Eastern Mountains and Piedmont – Interim Version Remarks: