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HomeMy WebLinkAbout20190145 Ver 1_Pilot Project 3880 - Springside Dr - Wet Report_8.22.18_20190130� � �1 ��Do�� P I L❑ T E N V I R❑ N M E N T A L,! N C August 22, 2018 Ms. Cynthia Lancaster Jewell Engineering Consultants, PC Post Office Box 2294 Kernersville, North Carolina 27285 Reference: Wetland Delineation Culvert Replacement Springside Drive Clemmons, Forsyth County, North Carolina Pilot Project 3880 Dear Ms. Lancaster: Pilot Environmental, Inc. (Pilot) is pleased to submit this report of the wetland delineation for the proposed culvert replacement located at Springside Drive in Clemmons, Forsyth County, North Carolina. Background 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. Section 404 of the Clean Water Act (CWA) regulates the discharge of dredge and fill materials into waters of the United States (lakes, rivers, ponds, streams, etc.), including wetlands. Waters of the United States include the territorial seas, navigable coastal and inland lakes, rivers and streams, intermittent streams, and wetlands. The EPA and the USACE jointly administer the Section 404 program. Section 401 of the Clean Water Act grants each state the authority to approve, condition, or deny any Federal permits that could result in a discharge to State waters. Jurisdictional features include wetlands, open waters, ponds, lakes and perennial/intermittent streams. Jurisdictional features are regulated by the USACE and North Carolina Department of Environmental Quality -Division of Water Resources (NCDEQ-DWR). Permits are required prior to impacting any jurisdictional feature. The type of permit required is specific to the type, location and amount of impacts. Stormwater management plans and/or mitigation for proposed impacts could be a requirement of the permit approval process. PO Box 128, Kernersville, NC 27285 www.pilotenviro.com Wetland Delineation Pilot Project 3880 August 22, 2018 The findings and conclusions in this report are our opinions based on field conditions encountered at the time of the site visit. Changes including, but not limited to, regulations, weather, timber/vegetation removal and usage/development of the site or nearby properties can alter the findings and opinions presented in this report. We recommend that this report only be used for preliminary planning purposes. Agency verifications, followed by a survey of jurisdictional features are required to determine the exact extent and locations of jurisdictional features and are valid for a period of up to five years following issuance of a USACE Jurisdictional Determination (JD) and/or NCDEQ-DWR Site Determination Letter. Scope of Services Pilot was contracted to perform a wetland delineation for a proposed culvert replacement located on Springside Drive in Clemmons, Forsyth County, North Carolina. This assessment was conducted on an area approximately 200 feet up and down-gradient of the existing culvert herein referred to as the site. The scope of services included a delineation of jurisdictional features (streams, wetlands and other surface waters) on the site. The site boundary was not marked at the time of our field delineation. Literature Review We reviewed the U.S. Geological Survey (USGS) Topographic Map, the U.S. Department of Agriculture (USDA) Soil Survey of Forsyth County, the U.S. Fish and Wildlife Service (USFWS) National Wetland Inventory (NWI) Map and the Federal Emergency Management Agency (FEMA) Flood Insurance Rate Map (FIRM). • The USGS Topographic Map (Drawing 1) depicts an unnamed pond and tributary to Muddy Creek on the site. Other surface waters or wetlands are not shown on the site. • The USDA Web Soil Survey of Forsyth County (Drawing 2) identifies the Siloam sandy loam (SmF) mapping unit on the site. The Siloam series consists of well drained, moderately slow permeable soils that occur on ridges and side slopes. The soil mapping unit is not identified on the Forsyth County Hydric Soils List. Pilot also reviewed the last published USDA Soil Survey of Forsyth County (Drawing 2A). The published soil survey depicts an unnamed pond and tributary to Muddy Creek crossing the site. Other surface waters or wetlands are not shown on the site. • The USFWS NWI Map (Drawing 3) depicts a lake and riverine feature crossing the site. Other surface waters or wetlands are not shown on the site. • Pilot reviewed the FEMA FIRM (Drawing 4) for the site. The FEMA FIRM identifies the site as being located in Zone X. 2 Wetland Delineation Pilot Project 3880 August 22, 2018 Field Delineation Pilot conducted the site visit on August 15, 2018. Springside Drive transects the site. The remainder of the site consists of open water pond, wooded land and residential properties. The open water pond is located west of Springside Drive. A riser structure is located approximately 10-15 feet from Springside Drive. Overflow structures are also present immediately west of Springside Drive. The riser structure and overflow structures discharge to a perennial stream on the east side of Springside Drive. Based on our observations and apparent hydrologic connection to down-gradientjurisdictional features, the open water pond would be considered jurisdictional by the USACE. The ordinary high water mark of the pond is well defined and should be located in the field by a licensed surveyor. Significant erosion and evidence of previous failed stabilization measures are present immediately east of Springside Drive, in the area of the culvert discharge point and perennial stream origin. The perennial stream has a continuous and well-defined channel, an ordinary high water mark, iron-oxidizing bacteria and contained flowing water at the time of our site visit. The stream is well defined and should be located in the field by a licensed surveyor. Wetlands are not located on the site. The soils beneath the site are bright and well drained to depths of at least 12 inches below ground surface. Evidence of wetland hydrology indicators are not present on the site. Vegetation adjacent to the stream on the site largely consists of facultative species. A wetland determination data form, documenting our findings, is included as an attachment. Drawing 5 shows the results of the delineation and approximate data point location. Drawing S should be relied upon for preliminary planning purposes only. Regulated features, locations and designations are subject to change based upon agency verification of the delineation. Watershed Classification/Buffer Requirements The site is located in the Yadkin River Basin. The NCDEQ-DWR has classified Muddy Creek, the site's receiving waters, as Class C waters. Consultation with the local zoning authority and the NCDEQ-DWR are recommended to determine site or development specific surface water buffers or setbacks. Agency Verification The site has not been verified by the USACE or the NCDEQ-DWR. If necessary and upon request, Pilot can complete the necessary documentation to request agency verification. The delineation is subject to change during agency verification. 3 Wetland Delineation Pilot Project 3880 August 22, 2018 Closing We appreciate the opportunity to provide our services to you. Please contact us at (336) 708- 4997 if you have questions or require additional information. Sincerely, � Bradley S. Luckey, PWS Project Manager � �� Michael T. 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I N C 1�� Scale: 1— 100 - Pilot Project 3880 ,�'. � ' , ���� �R -�_'�, � °� _� � � {`!" �1tir� r'F I�,e.�� ` . � ='"Y�r' � , � � � +{ � � � � s � i � � , .� �� "` �i." � . � - � .. �� _ 4 ` r �. R r rt�.�.�'. � ' - ' � _� Drawing 3 USFWS NWI Wetlands Mapper Scale: 1" = 200' , .. � . x.�.: �•� - LEGEND � Freshwater Emergent � Freshwater Forested/Shrub � Estuarine and Marine Deepwater Estuarine and Marine - �}' + � � - Freshwater Pond � �� - � � �� � Lake � i Riverine � Other � .. . . __,. ._.. � � , ���� ��; , , NWI Map ,` �; �y �`� �� �� 1% � "- ,� ,,`� Culvert Replacement .. .i � r �: r , i -- � � ���` °� �r; �` ;r ���=' Springside Drive � �IQ���v `�' �� `�' Clemmons, Forsyth County, NC i, ,...:- PILOT ENVIRONMENTAL.IN� , PilotProject3880 ,. -•,�r� � _ � . � ' 3. .. 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P..:r � �� � . � ��� � . �'� � ,r,� � � � � � � . ,�,� � � . , ,�� � � ,� � �hr .. �., .. � '� -� �'�: � �, � " ��� � �� ',��` �;� " LEGEND � t �� � �" � ti , � � '� �� ' , � 1 °�ff Annual �hance Flood Hazard � �+�� t � �Regulatory Flood,vay � � �" r � ''i i� ' r � Spe[iel Flood�v��y �' F � ' �`.". �' �� �..A if�' Areaof Undetermir�ed Flood Harard � � � �' � , r�+ , ` - ' , e+ ; � ` r- fi � ` 0.2°�¢Annual �hance Flood Hazard ' �� �� f ��'F�ture Canditions 1°�ffAnnual �hance Flood Harard ►�AreawithReduced Risk Dueto Levee � -- _ � �' +'��"' �y. �` � ► L� _ � J� r� . 3. -_ � �.,.W,� � M - �� ��� ` a_ . � � r lT�1':.. �,• � � � . � � Drawing4 ���dF ',' ��, ,,� �- . �' FEMAFIRM , ;y �,�� .� �, � , � : Culvert Replacement National Flood Hazard Layer __ ,�` � _ � k ���� � � � � � # .;;��` �; `��s�! ;� � f��' Springside Drive From FEMA Web Map Service o,�, � „ , 1' �I���� Clemmons, Forsyth County, NC Scale:l =300 ,,_ p��oT ENVIRONMENTAL.INC r' - . Pilot Project 3880 I\ �,�( �� �� � � � �: �. � a�, ;� � �� "'•- . . �� . . �' ,"'�. � F +n�r �� °�'� � �� � � � .I � :���.��:J :�.:�: �:�� �:��.:�.; �DP-1 . . . . �..•.���.1 . . . . :�:�::� � �-� . LEGEND 1 �y '� �� � Delineation Boundar .� � Perennial Stream �'•: �:� Open Water Pond � � Existing Culvert �P-1 p Data Point THE LOCATIONS OF FEATURES SHOWN ON THIS MAP ARE PRELIMINARY AND APPROXIMATE. THEY HAVE NOT BEEN VERIFIED BY THE�USAC AND/OR THE NCDEQ-DWR. THEY HAVE NOT BEEN SURVEYED OR GEOLOCATED. � �� � ; r � ��� �� . � Drawing 5 �,� =� �_; �� , ; Wetland Map Aerial Imagery from ESRI ,���� .��_.�_�� °� �� �r ��� � �, Culvert Replacement and Pilot GPS Data - ��,��'� `� � r'E1� �::� ,,;,! ' Springside Drive Scale: 1" = 100' j; ��Do��� `� � Clemmons, Forsyth County, NC ;; Date:8.22.18 . . P�LOT ENVIRONMENTAL,IN� PilotProject3880 WETLAND DETERMINATION DATA FORM — Eastern Mountains and Piedmont ProjecUSite: Springside Drive City/County: Clemmons/Forsyth Sampling Date: 8.15.18 Applicant/Owner: State: North Carolina Sampling Point: DP-1 Investigator(s): Luckey, Pilot Section, Township, Range: Landform (hillslope, terrace, etc.) Swale Local relief (concave, convex, none): Slope (%): 4 Lat: 36.03675 Long: -80.37290 Datum: WGS 84 Soil Map Unit Name: SmF 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 X No Hydric Soil Present? Yes No X Is the Sampled A'ea 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 (66) Surface Water (A1) 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 (61) 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 (64) Other (Explain in Remarks) Stunted or Stressed Plants (D1) Iron Deposits (B5) Geomorphic Position (D2) Inundation Visible on Aerial Imagery (67) Shallow Aquitard (D3) Water-Stained Leaves (B9) Microtopographic Relief (D4) Aquatic Fauna (B13) FAC-Neutral Test (D5) Field Observations: Surface Water Present? Yes No X Depth (inches): Water Table Present? Yes No X Depth (inches): — — Wetland Hydrology Present? Yes No X Saturation Present? Yes No X Depth (inches): (includes capillary fringe) Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: VEGETATION (Four Strata) - Use scientific names of plants. Tree Stratum (Plot size: 30' ) 1. Platanus occidentalis 2. Fraxinus pennsylvanica 3. Juglans nigra 4. 5. 6. 7. 8. Absolute Dominant Indicator % Cover Species? Status 15 Y FACW 15 Y FACW 15 Y FACU 45 = Total Cover Sapling/Shrub Stratum (Plot size: ) 1. Juglans nigra 10 2. Fraxinus pennsylvanica 10 3. Ligustrum sinsense 10 4. 5. 6. 7. 8. 9. 10. Herb Stratum (Plot size: ) 1. Smilax rotundifolia 2. Hedera helix 3. Parthenocissus quinquefolia 4. Vimineum eulalia 5. 6. 7. 8. 9. 10. 11. 12. Woody Vine Stratum (Plot size: ' ) 1. Smilax rotundifolia 2. 3. 4. 5. 6. Y FACU Y FACW Y FAC 30 = Total Cover � � � � Y Y Y Y FAC FACU FAC FAC 20 = Total Cover 15 Y FAC Sampling Point DP-1 Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC: 8 (A) Total Number of Dominant Species Across All Strata: 11 (B) Percent of Dominant Species That Are OBL, FACW, or FAC: 73 (A/B) Prevalence Index worksheet: Total % Cover of: Multiply by: OBL species x 1 = FACW species X 2 = FAC species X 3 = FACU species X 4 = UPL species X 5 = Column Totals: (A) (B) Prevalence Index = B/A = Hydrophytic Vegetation Indicators: 1- Rapid Test for Hydrophytic Vegetation X 2- Dominance Test is > 50% 3- Prevalence Test is <_ 3.0' _4 - Morphological Adaptations' (Provide supporting data in Remarks or on a separate sheet) Problematic Hydrophytic Vegetation' (Explain) 'Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. Definitions of Vegetation Strata: 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 (1 m) 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. Hydrophytic Vegetation Present? Yes X No 15 = Total Cover Remarks: (Include photo numbers here or on a separate sheet.) SOIL Sampling Point: DP-1 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 7.5 YR 4/6 100 SCL C=Concentration. D=Denletion. RM=Reduced Matrix. CS=Covered or Coated Sand Grains. ZLocation: PL=Pore Linina. M=Matrix. Hydric Soil Indicators: Histosol (A1) Histic Epipedon (A2) Black Histic (A3) Hydrogen Sulfide (A4) Stratified Layers (A5) 2 cm Muck (A10) (LRR N) Depleted Below Dark Surface (A11) Thick Dark Surface (Al2) Sandy Mucky Mineral (S1) (LRR N, MLRA 147, 148) _ Sandy Gleyed Matrix (s4) _ Sandy Redox (S5) Stripped Matrix (S6) Indicators for Problematic Hydric Soils': Dark Surface (S7) 2 cm Muck (A10) (MLRA 147) Polyvalue Below Surface (S8) (MLRA 147, 148) Coast Prairie Redox (A16) Thin Dark Suface (S9) (MLRA 147, 148) (MLRA 147, 148) Loamy Gleyed Matrix (F2) Piedmont Floodplain Soils (F19) Depleted Matrix (F3) (MLRA 136, 147) Redox Dark Surface (F6) Red Parent Material (TF2) Depleted Dark Surface (F7) Very Shallow Dark Surface (TF12) Redox Depressions (F8) Other (Explain in Remarks) Iron Manganese Masses (F12) (LRR N, MLRA 136) Umbric Surface (F13) (MLRA 136, 122) Piedmont Floodplain Soils (F19) (MLRA 148) 3lndicators of Hydrophytic vegetation and — wetland hydrology must be present, unless disturbed or problematic. Restrictive Layer (if observed): Type: Depth (inches): Hydric Soil Present? Yes No X Remarks: