FLOOD10207 - Laserfiche WebLink

Home Browse Search

TABLE III-4 TABLE III-S UPPER DRY CREEK AT INDIANA STREET AGGREGATE BASIN CHARACTERISTICS(l) POND CHARACI'ERISTICS Area 4.68 sq mi Basin length 7.19 mi L~ 3.17mi Basin slope 0.031 ft/ft Impervious existing 2 percent Pervious retention 0.46 in Impervious retention 0.10 in Infiltration, initial 2.25 in/hr Infiltration, fmal 0.52 in/hr Total Volume' Spillway /Overn..... I . Pond at Spillway (ac-I't) . Elevation (MSL) .... Normal Use . A-I 6.4 5829.1 Spill containment A-2 3.2 5820.2 Spill containment A-3 43.3 5793.0 Stormwater runoff storage, baseflow A-4 105.6 5757.9 Testing, treatment, release of water B-1 3.9 5882 Spill containment B-2 5.4 5870.7 Spiu containment B-3 2.8 5851.7 STP effluent B-4 4.8 5835.3 Stormwater runoff B-5 76.1 5803.9 Pump to A-4 for treatment C-l 8.3 5826.1 None C-2 83.5 5765.2 Testing, treatment, pump for release Landfill 10.9 -5921 Stormwater runoff, landfill leachate Pond' 4 4 None4 D-l 4 4 None4 D-2 (1) Drainage basin parameters are defined in Section III ("Rainfall/Runoff Parameters" subsection). A description of the determination of the parameters for specific basins is contained in Section IV ("Description of Models" subsection). Volume was taken from draft version stage-storage curves calculated for EG&G dated July 23, 1991 (Merrick and Company, 1991). 2 Spillway elevation taken from draft version pond area topographic mapping for EG&G dated July 23, 1991 (Merrick and Company, 1991). - indicates approximate. , Spillway elevation taken from Scharf & Associates mapping (Scharf and Associates, 1987). Landfill Pond volume taken from undated EG&G records. 4 Ponds D-l and D-2 were not analyzed in this study.