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HomeMy WebLinkAboutSB_Waccamaw NC DWQ Stream Identification Form Version 4.11 1SB--Creek Branch Date: Mar 10, 2020 Project/Site:R-5819/R-5820 Latitude:34.32959 Evaluator:J. Harrod-CALYX inc. County: Columbus Longitude:-78.50346 Total Points: Other: 34 Stream Determination: Stream is at least intermittent if Perennial e.g. Quad Name: >19 or perennial if>30 ] i A. Geomorphology (Subtotal =16_5 ) Absent Weak Moderate Strong SCORE 1'. Continuous bed and bank 0 1 2 3 3 2. Sinuosity of channel along thalweg 0 1 2 3 1 3. In-Channel structure: ex. riffle-pool, step-pool, ripple- 0 1 2 3 1 ool se uence 4. Particle size of stream substrate 0 1 2 3 1 5. Active/relic flood lain 0 1 2 3 3 6. Depositional bars or benches 0 1 2 3 1 7. Recent alluvial deposits 0 1 2 3 2 8. Headcuts 0 1 2 3 0 9. Grade controls 0 0.5 1 1.5 0 10. Natural valley 0 0.5 1 1.5 1.5 11. Second or greater order channel No - 0 Yes - 3 3 a artificial ditches are not rated;see discussions in manual. B. Hydrology (Subtotal =9 ) Absent Weak Moderate Strong SCORE 12. Presence of Baseflow 0 1 2 3 3 13. Iron oxidizing bacteria 0 1 2 3 0 14. Leaflitter 1.5 1 0.5 0 0.5 15. Sediment on plants or debris 0 0.5 1 1.5 1.5 16. Organic debris lines or piles 0 0.5 1 1.5 1 17. Soil-based evidence of high water table? No = 0 Yes=3 3 C. Biology Subtotal =$.5 ) Absent Weak Moderate Strong SCORE 18. Fibrous roots in streambed 3 2 1 0 3 19. Rooted upland plants in streambed 3 2 1 0 3 20. Macrobenthos note diversity and abundance 0 1 2 3 1 21. Aquatic Mollusks 0 1 2 3 0 22. Fish 0 0.5 1 1.5 0 23. Crayfish 0 0.5 1 1.5 0.5 24. Amphibians 0 0.5 1 1.5 1 25. Algae 0 0.5 1 1.5 0 26. Wetland plants in streambed FACW=0.75; OBL=1.5 Other=0 0 perennial stream may also be identified using other methods.See p.35 of manual. Notes: Bank Height (feet) 2.3 Bankfull Width (feet) 3-6 Water Depth inches 16-24 Channel Substrate Sand Velocity: low Clarit lightly Turbid Sketch: