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25443 - SL MOUNDS VIEW- EXISTING <br /> 25443-EXISTING MSE 24-hr 3 10-YR Rainfall=4.23" <br /> Prepared by Civil Site Group Printed 12/16/2025 <br /> HydroCAD® 10.20-8a s/n 02202 ©2025 HydroCAD Software Solutions LLC Page 19 <br /> Time span=0.00-240.00 hrs, dt=0.01 hrs, 24001 points <br /> Runoff by SCS TR-20 method, UH=SCS, Weighted-Q <br /> Reach routing by Stor-Ind method - Pond routing by Stor-Ind method <br /> SubcatchmentEX1: EX1 - DRAINSTO Runoff Area=153,124 sf 3.90% Impervious Runoff Depth=2.30" <br /> Tc=10.0 min CN=WQ Runoff=12.48 cfs 0.674 of <br /> SubcatchmentEX2: EX2- DRAINS WEST TO Runoff Area=4,047 sf 0.00% Impervious Runoff Depth=2.23" <br /> Tc=10.0 min CN=WQ Runoff=0.32 cfs 0.017 of <br /> SubcatchmentEX3: EX3- DRAINS EAST TO Runoff Area=302 sf 0.00% Impervious Runoff Depth=2.23" <br /> Tc=10.0 min CN=WQ Runoff=0.02 cfs 0.001 of <br /> SubcatchmentOFF-EX4:OFFSITE EX4- Runoff Area=55,787 sf 75.44% Impervious Runoff Depth=3.56" <br /> Tc=10.0 min CN=WQ Runoff=6.29 cfs 0.380 of <br /> Reach 1R: TOTAL TO WETLAND Inflow=18.76 cfs 1.054 of <br /> Outflow=18.76 cfs 1.054 of <br /> Reach 2R: TOTAL EXISTING Inflow=19.11 cfs 1.073 of <br /> Outflow=19.11 cfs 1.073 of <br /> Total Runoff Area = 4.896 ac Runoff Volume = 1.073 of Average Runoff Depth = 2.63" <br /> 77.46% Pervious = 3.792 ac 22.54% Impervious = 1.103 ac <br />