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HomeMy WebLinkAbout20221277 Ver 1_Saltgrass Stream Form and Pics_20221101NOTE: This is not a survey. All boundaries and distances are considered approximate. This represents a preliminary sketch prepared from field notes. A survey of delineated areas and review and approval by the U.S. Army Corps of Engineers is recommended prior to specific site planning. c1-c13 Legend Project Area - 135.9 ac Uplands - 118 ac (87%) 404 Wetlands - 15.9 ac (12%) - - - RPWs - 1,313 LF Non -Jurisdictional Ditches - 7,231 LF Non -Jurisdictional Open Water - 1.6 ac (1 %) Non -Jurisdictional Borrow Pit - 0.4 ac (<1 %) O Data Points L:\WETLANDS\2022 WETLANDS FILES\DRGNCW22.028 --- Young Tract, Cape Fear Engineering\MAPS Boundaries are approximate and not meant to be absolute. Map Source: 2020 NC One Map N A 0 200 400 800 Scale applies to 11X17" print. ft Saltgrass Landing Tract Brunswick County, NC Map Date: September 8, 2022 DRGNCW22.028 DAVEY Resource Group 3805 Wrightsville Avenue Wilmington, NC 28403 (910) 452-0001 Figure 7 Section 401/404 Delineation Preliminary Sketch NC DWQ Stream Identification Form Version 4.11 Date: 10/25/22 Project/Site: Saltgrass Landing Latitude: 34.121351 Evaluator: Kim Williams - DRG County: Brunswick Longitude:-78.089730 Total Points: Stream is at least intermittent 10.5 if > 19 or perennial if >_ 30* Stream Determination (circle one) Eph eral Inter ttent Pere ial Other e.g. Quad Name: A. Geomorphology (Subtotal = 6.5 ) Absent Weak Moderate Strong la. Continuity of channel bed and bank 0 0 2 3 2. Sinuosity of channel along thalweg 0 1 0 3 3. In -channel structure: ex. riffle -pool, step -pool, ripple -pool sequence O 1 2 3 4. Particle size of stream substrate 0 O 2 3 5. Active/relict floodplain 0 0 2 3 6. Depositional bars or benches 0 1D 2 3 7. Recent alluvial deposits O 1 2 3 8. Headcuts CD 1 2 3 9. Grade control O 0.5 1 1.5 10. Natural valley 0 Cal 1 1.5 11. Second or greater order channel No ©0 Yes = 3 a artificial ditches are not rated; see discussions in manual B. Hydrology (Subtotal = 2 12. Presence of Baseflow 0 1 2 3 13. Iron oxidizing bacteria 0 U 2 3 14. Leaf litter 1.5 1 ® 0 15. Sediment on plants or debris CD 0.5 1 1.5 16. Organic debris lines or piles 0 Q 1 1.5 17. Soil -based evidence of high water table? No (D Yes = 3 C. Biology (Subtotal = 2 18. Fibrous roots in streambed 3 2 Q 0 19. Rooted upland plants in streambed 3 2 CD 0 20. Macrobenthos (note diversity and abundance) Q 1 2 3 21. Aquatic Mollusks 0 1 2 3 22. Fish Q 0.5 1 1.5 23. Crayfish 0 0.5 1 1.5 24. Amphibians O 0.5 1 1.5 25. Algae O 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBL = 1.5 Other Q *perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Dry; No evidence of flow. Sketch: SF 1: Looking northeast along channel (downstream) SF 1: Looking southwest along channel (upstream)