POST DEV NOAA 24-hr D 2 YEAR Rainfall=3.42" Prepared by Professional Design Services Printed 12/31/2025 HydroCAD® 10.20-6a s/n 02223 © 2024 HydroCAD Software Solutions LLC Page 12
Summary for Subcatchment 10S: BY-PASS POROUS
[49] Hint: Tc<2dt may require smaller dt
[73] Warning: Peak may fall outside time span
Runoff = 0.00 cfs @ 20.00 hrs, Volume= 0.000 af, Depth> 0.00" Routed to Reach 10 : COMPOSITE
Runoff by SCS TR-20 method, UH=Delmarva, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs NOAA 24-hr D 2 YEAR Rainfall=3.42"
Area (ac)CNDescription
0.06039>75% Grass cover, Good, HSG A
0.060100.00% Pervious Area
Tc (min)Length (feet)Slope (ft/ft) Velocity (ft/sec) Capacity (cfs)
2.0Direct Entry,
Subcatchment 10S: BY-PASS POROUS