Runoff = 1.18 cfs @ 12.22 hrs, Volume= 7,077 cf, Depth= 2.87" Routed to Pond 42P : BIORENTION BASIN 3A
Runoff by SCS TR-20 method, UH=Delmarva, Split Pervious/Imperv. UI as Pervious, Time Span= 0.00-72.00 hrs, dt= NOAA 24-hr D 100 YR-F Rainfall=11.41"
Area (ac) CN Description
0.680 39 >75% Grass cover, Good, HSG A
0.680 39 100.00% Pervious Area
Tc (min) Length (feet) Slope (ft/ft) Velocity (ft/sec) Capacity (cfs) Description
9.0 83 0.0400 0.15 Sheet Flow, Grass: Dense n= 0.240 P2= 3.42" Using McCuen-Spiess flow length
0.2 10 0.0240 1.08 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps
2.2 270 2.00 Direct Entry, Pioe Flow
11.5 363 Total