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<br />• <br />• <br />EAST RIDGE LOWER DITCH - ERLD <br />RN Map Ab. BA-1F <br />Watershed Data <br /> Curve number 75.5 <br /> Area 0.3 Acres <br /> HydrauGe length 230 Feet <br /> Elevation change 86 Feet <br /> Coneentration time 0.01 Hours <br /> Concentration time type SCS Upland Curves <br /> Unit hydrograph Disturbed <br /> <br />Storm Dana for 10 yr. event <br /> Total precipitation 1.7 Inches <br /> Storm type SCS Type 2 slam, 24 hour atorrn <br /> Peak discharge 0.05 cfs <br /> <br /> <br />Fknv from other ditches 0.08 cfs CWD <br /> 2.66 cts ERED <br /> <br />Peak Discharge 2.79 cfs <br /> <br /> <br />Storm Data for 25 yr. event <br /> Total precipitation 1.9 Inches <br /> Storm type SCS Type 2 storm, 24 hour storm <br /> Peak discharge 0.06 cfs <br />13 <br />