Laserfiche WebLink
The following information and calculations summarizes the watershed basin found in <br /> the permit area: <br /> Hydraulic length: 4452.71 <br /> Elevation change: 1190 feet <br /> Slope: 26% <br /> Area of watershed: 145 acres <br /> Watershed type: Forested <br /> Storm distribution: SCS Type 1 storm; 24-hour storm <br /> Time step: .20 <br /> Time of concentration: .95 hours <br /> Type of TC calculation: SCS upland curve <br /> Curve number: 95 <br /> Total precipitation amount: 2.4 inches for a 100-year event <br /> 11 inches for a 25-tear event <br /> Peak discharge: 38.12 cfs for a 100-year event <br /> 32.05 cfs for a 25-year event <br /> Peak volume: 22.55 acre-feet for a 100-year event <br /> 19.07 acre-feet for a 25-year event <br /> 9 <br />