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Type II 24-hr 10-year Rainfall=4.17"25018 Proposed Hydro Printed 10/29/2025Prepared by Land & Resource Consulting Inc Page 16HydroCAD® 10.20-7a s/n 12643 © 2025 HydroCAD Software Solutions LLC Time span=0.00-72.00 hrs, dt=0.01 hrs, 7201 points Runoff by SCS TR-20 method, UH=SCS, Weighted-Q Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Runoff Area=15,300 sf 15.69% Impervious Runoff Depth=3.29"Subcatchment 1S: Site to Lowpoint Tc=7.0 min CN=WQ Runoff=1.77 cfs 4,194 cf Runoff Area=8,900 sf 7.87% Impervious Runoff Depth=2.99"Subcatchment 2S: Site to East Tc=7.0 min CN=WQ Runoff=0.95 cfs 2,217 cf Runoff Area=14,200 sf 19.72% Impervious Runoff Depth=3.56"Subcatchment 3S: Offsite North to Tc=7.0 min CN=WQ Runoff=1.75 cfs 4,209 cf Runoff Area=7,800 sf 25.64% Impervious Runoff Depth=3.33"Subcatchment 4S: Offsite Southwest to Tc=7.0 min CN=WQ Runoff=0.91 cfs 2,167 cf Runoff Area=2,100 sf 100.00% Impervious Runoff Depth=3.93"Subcatchment 5S: Site to Road Tc=7.0 min CN=98 Runoff=0.28 cfs 689 cf Runoff Area=3,800 sf 63.16% Impervious Runoff Depth=3.12"Subcatchment 6S: Site to Driveway Culvert Tc=7.0 min CN=WQ Runoff=0.41 cfs 988 cf Inflow=4.98 cfs 13,538 cfReach 1R: Site Total Outflow=4.98 cfs 13,538 cf Inflow=4.13 cfs 11,321 cfReach 2R: Site to West Outflow=4.13 cfs 11,321 cf Avg. Flow Depth=0.44' Max Vel=6.53 fps Inflow=2.16 cfs 5,197 cfReach 3R: Driveway Culvert 12.0" Round Pipe n=0.013 L=30.0' S=0.0233 '/' Capacity=5.44 cfs Outflow=2.16 cfs 5,197 cf Peak Elev=959.56' Storage=2,009 cf Inflow=4.84 cfs 11,558 cfPond 1P: Onsite Lowpoint Discarded=0.01 cfs 926 cf Primary=3.91 cfs 10,632 cf Outflow=3.92 cfs 11,558 cf Total Runoff Area = 52,100 sf Runoff Volume = 14,464 cf Average Runoff Depth = 3.33" 76.20% Pervious = 39,700 sf 23.80% Impervious = 12,400 sf