Summary for Pond 37P: Subsurface Basin Lot 1

Inflow Area = 1,850 sf,100.00% Impervious, Inflow Depth = 3.81" for 2 YR-F event Inflow = 0.18 cfs @ 12.09 hrs, Volume= 587 cf Outflow = 0.03 cfs @ 11.78 hrs, Volume= 587 cf, Atten= 82%, Lag= 0.0 min Discarded = 0.03 cfs @ 11.78 hrs, Volume= 587 cf Routing by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs Peak Elev= 91.51' @ 12.40 hrs Surf.Area= 0.013 ac Storage= 0.003 af Plug-Flow detention time= 16.5 min calculated for 587 cf (100% of inflow) Center-of-Mass det. time= 16.5 min (764.9 - 748.4)

VolumeInvertAvail.StorageStorage Description
#1A91.00'0.008 af10.06'W x 57.33'L x 2.17'H Field A
0.029 af Overall - 0.008 af Embedded = 0.020 af x 40.0% Voids
#2A91.33'0.006 afADS N-12 15" x 12 Inside #1 Inside = 14.8"W x 14.8"H => 1.20 sf x 20.00'L = 24.0 cf Outside = 18.0"W x 18.0"H => 1.60 sf x 20.00'L = 31.9 cf Row Length Adjustment = -7.00' x 1.20 sf x 4 rows 8.72' Header x 1.20 sf x 2 = 20.9 cf Inside

0.014 af Total Available Storage

Storage Group A created with Chamber Wizard

DeviceRoutingInvertOutlet Devices
#1Discarded91.00'2.450 in/hr Exfiltration over Surface area
Discarded OutFlowMax=0.03 cfs @ 11.78 hrsHW=91.02' (Free Discharge)
1=Exfiltration (Exfiltration Controls 0.03 cfs)

Pond 37P: Subsurface Basin Lot 1

Exfiltration