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Type II 24-hr 10-year Rainfall=4.17"25018 Existing Hydro <br /> Printed 10/29/2025Prepared by Land & Resource Consulting Inc <br />Page 17HydroCAD® 10.20-7a s/n 12643 © 2025 HydroCAD Software Solutions LLC <br />Summary for Subcatchment 2S: Site to East <br />Runoff = 0.99 cfs @ 11.98 hrs, Volume= 2,325 cf, Depth= 3.21" <br /> Routed to Reach 1R : Site Total <br />Runoff by SCS TR-20 method, UH=SCS, Weighted-Q, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs <br />Type II 24-hr 10-year Rainfall=4.17" <br />Area (sf) CN Description <br />6,500 96 Gravel surface, HSG C <br />2,200 74 >75% Grass cover, Good, HSG C <br />8,700 Weighted Average <br />8,700 100.00% Pervious Area <br />Tc Length Slope Velocity Capacity Description <br />(min) (feet) (ft/ft) (ft/sec) (cfs) <br />7.0 Direct Entry, <br />Subcatchment 2S: Site to East <br />Runoff <br />Hydrograph <br />Time (hours) <br />727068666462605856545250484644424038363432302826242220181614121086420 <br />Fl <br />o <br />w <br /> <br /> <br />( <br />c <br />f <br />s <br />) <br />1 <br />0 <br />Type II 24-hr <br />10-year Rainfall=4.17" <br />Runoff Area=8,700 sf <br />Runoff Volume=2,325 cf <br />Runoff Depth=3.21" <br />Tc=7.0 min <br />CN=WQ <br /> 0.99 cfs