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NewFietds <br /> Newmont <br /> VLF/OSA Closure Study <br /> East Cresson OSA Stormwater Diversion Channel <br /> Watershed Characteristics and Lag Time Calculation <br /> lo.s(S + 1)0.7 <br /> tP 1900yo.5 <br /> tP Lag Time (hr.) <br /> I Length to Divide (ft) <br /> y Avg. Watershed Slope (%) <br /> CN Composite Curve Number <br /> S 1000/CN-10(in.) <br /> la Initial Abstraction (0.2*S) <br /> Input Values <br /> Lag Time and Watershed Characteristics <br /> Watershed Area (miz) 1(ft) CN y s tp(hr) tp(min) la (in.) <br /> Northl 0.0556 2,542 71.50 30.8% 3.99 0.15 9.3 0.797 <br /> Northeastl 0.1976 5,373 71.00 38.0% 4.08 0.29 17.1 0.817 <br /> Northeast2 0.0744 1,280 71.00 38.2% 4.08 0.08 4.9 0.817 <br /> East1 0.1758 5,052 71.00 38.2% 4.08 0.24 14.6 0.817 <br /> East2 0.0395 3,013 66.10 50.3% 5.13 0.16 9.6 1.026 <br /> South 0.0400 2,966 69.30 43.6% 4.43 0.16 9.4 0.886 <br /> Southwest 0.1515 4,373 68.00 25.5% 4.71 0.29 17.3 1 0.941 <br /> West1 0.0852 3,425 70.70 20.1% 4.14 0.25 14.9 0.829 <br /> West2 0.0272 1,779 71.50 38.2% 3.99 0.10 6.3 0.797 <br />