Summary for Pond 130P: SUBSURFACE

Inflow Area = 4,000 sf, 0.00% Impervious, Inflow Depth = 9.24" for 100-Year event

Inflow = 0.68 cfs @ 12.14 hrs, Volume= 3,080 cf

Outflow = 0.04 cfs @ 10.15 hrs, Volume= 3,080 cf, Atten= 94%, Lag= 0.0 min

Discarded = 0.04 cfs @ 10.15 hrs, Volume= 3,080 cf

Routing by Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs

Peak Elev= 4.98' @ 14.27 hrs Surf.Area= 533 sf Storage= 1,335 cf

Plug-Flow detention time= 265.3 min calculated for 3,079 cf (100% of inflow)

Center-of-Mass det. time= 265.3 min ( 1,008.8 - 743.6 )

Volume Invert Avail.Storage Storage Description

#1A 0.00' 765 cf 13.00'W x 41.00'L x 5.00'H Field A

#2A 1.00' 573 cf 2,664 cf Overall - 751 cf Embedded = 1,914 cf x 40.0% Voids

ADS N-12 30" x 6 Inside #1

Inside= 30.0"W x 30.0"H => 4.90 sf x 20.00'L = 98.0 cf

Outside= 36.0"W x 36.0"H => 6.42 sf x 20.00'L = 128.3 cf

Row Length Adjustment= -1.00' x 4.90 sf x 3 rows

1,339 cf Total Available Storage

Storage Group A created with Chamber Wizard

Device Routing Invert Outlet Devices

#1 Discarded 0.00' 3.250 in/hr Exfiltration over Surface area

Discarded OutFlow Max=0.04 cfs @ 10.15 hrs HW=0.05' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.04 cfs)