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RUN -OFF VOLUME - - Pond 7 <br />10 -Year <br />Precip Direct Run -off <br />Area Acres Curve # Amouni Run -off Vol A -F <br />Disturbed 1.57 94 3.0 2.35 0.31 <br />Undisturbed 1.57 71 3.0 0.76 0.10 <br />DIFFERENCE <br />0.21 <br />SEDIMENT VOLUME - Pond 1 <br />u <br />Use the universal soil loss equation. <br />A= RKLSCP <br />R = rainfall factor <br />70.00 <br />K = soil erodibility factor - loam <br />0.37 <br />LS = combined length slope factor <br />0.24 <br />Use Area D -24C1 180 ft & 2% <br />C = cropping management factor - Figure 7 <br />1.00 <br />P = erosion control practice factor <br />1.00 <br />A = sediment, tons /acre /year <br />6.22 <br />THREE YEAR SEDIMENT VOLUME - CUBIC FEET <br />1.57 ACRES -115#/CF <br />0.01 <br />REQUIRED INCREASE IN CAPACITY -- Acre Feet - Pond 7 <br />0.22 <br />TR -55 <br />DCH. 19(16) -4 <br />03/11 <br />