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RUN-OFF VOLUME - - Sediment Basin (NRCS/SCS Runoff Equation) <br /> Precip Direct Run-off <br />Area Acres Curve # Amount Run-off Vol A-F * <br />Disturbed-Fair 3.31 79 1.8 0.41 0.11 <br />Undisturbed-Good 1.58 74 1.8 0.26 0.03 <br />Disturbed-Poor 0.47 98 1.8 1.58 0.06 <br />TOTAL 5.36 0.21 <br />TOTAL REQUIRED WATER VOLUME - - A-F 0.21 <br />*SedCad calculated 0.19 <br />SEDIMENT VOLUME <br />Use the universal soil loss equation. <br />A = R K L S C P <br />R = rainfall factor 30.00 <br />K = soil erodibility factor 0.37 <br />LS = combined length slope factor 1300' - 4% 0.89 <br />C = cropping management factor 1.00 <br />P = erosion control practice factor 1.00 <br />A = sediment, tons/acre/year 9.88 <br />Two Year Sediment Volume - Acre-Feet 0.04 <br />5.36 ACRES - 115 #/CF <br />Total Required Sediment Pond Capacity - Acre-Feet 0.25 <br />MR-141 SAE-12 10/24