Summary for Pond 144P: WQ Infiltration Basin #1

Inflow Area =108,596 sf,29.12% Impervious,Inflow Depth = 1.70" for 10-Year event
Inflow =3.70 cfs @12.11 hrs,15,371 cf
Outflow =0.37 cfs @13.34 hrs,15,371 cf, Atten= 90%, Lag= 73.5 min
Discarded =0.37 cfs @13.34 hrs,15,371 cf
Primary =0.00 cfs @0.00 hrs,0 cf
Routed to Link 147L : POA

Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs Peak Elev= 96.01' @ 13.34 hrs Surf.Area= 5,102 sf Storage= 4,717 cf Plug-Flow detention time= 98.2 min calculated for 15,369 cf (100% of inflow) Center-of-Mass det. time= 98.2 min ( 878.4 - 780.2 )

VolumeInvertAvail.StorageStorage Description
#195.00'16,706 cfCustom Stage Data (Prismatic) Listed below (Recalc)
Elevation (feet)Surf.Area (sq-ft)Inc.Store (cubic-feet)Cum.Store (cubic-feet)
95.004,23100
96.005,0924,6624,662
97.006,0085,55010,212
98.006,9816,49516,706
DeviceRoutingInvertOutlet Devices
#1Primary97.60'15.0" Round Culvert to Subsurface Basin L= 35.0' RCP, square edge headwall, Ke= 0.500 Inlet / Outlet Invert= 95.00' / 97.60' S= -0.0743'' Cc= 0.900 n= 0.012 Corrugated PP, smooth interior, Flow Area= 1.23 sf
#2Device 197.00'4.0' long Sharp-Crested Rectangular Weir 2 End Contraction(s)
#3Discarded95.00'3.100 in/hr Exfiltration over Surface area

Discarded OutFlow Max=0.37 cfs @ 13.34 hrs HW=96.01' (Free Discharge) 3=Exfiltration (Exfiltration Controls 0.37 cfs)

Primary OutFlow Max=0.00 cfs @ 0.00 hrs HW=95.00' (Free Discharge) 1=Culvert to Subsurface Basin (Controls 0.00 cfs) 2=Sharp-Crested Rectangular Weir (Controls 0.00 cfs)