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Falling‐Head Test c
Infiltration Rate
Infiltration Rate
Constant‐Head Test
Total
Infiltrated Water
Test Basin Infiltrating Area
Yucaipa Basin Infiltration Tests Results
Table 2
Ave. Pond Bottom + Bottom Only Low High Average Low b High a (ft/d) (ft/d) (ft/d) (ft/d) (ft/d) Acre‐Feet Gallons Sidewalls (ft 2 ) (ft 2 ) Depth (ft) 9.5 11.1 10.8 9.2 12.3 2.68 871,782 1,270 960 2.5 0.18 0.19 0.1 0.1 0.1 0.07 22,895 1,305 990 2.5 7.3 9.5 10.2 8.8 11.5 2.99 974,084 1,571 1,221 2.5 9.8 11.5 12.7 12.0 13.4 4.45
Basin Dimensions Width (ft) 30 30 33 36 21 29 32 20 32 28 34 20
Length (ft) 32 33 37 39 42 32 33 45 32 29 34 46
Test End 7/23/2018 7/30/2018 8/6/2018 8/13/2018 8/20/2018 8/27/2018 9/3/2018 9/10/2018 9/17/2018 9/24/2018 10/1/2018 10/1/2018
Test Start 7/9/2018 7/16/2018 7/23/2018 7/30/2018 8/6/2018 8/13/2018 8/20/2018 8/27/2018 9/3/2018 9/10/2018 9/17/2018 9/24/2018 a ‐ High infiltration rate for constant‐head test calculated based on infiltrating area equal to basin bottom only b ‐ Low infiltration rate for constant‐head test calculated based on infiltrating area equal to basin bottom and sidewalls c ‐ Falling‐Head Infiltration Rates calculated from measured water level decli
Adjacent Exploratory Boring EX‐7 EX‐5 EX‐1 EX‐5 EX‐3 EX‐2 EX‐4 EX‐2 EX‐9
Tennessee Street Basins Dunlap Channel Chapman Heights Basin 10th Street and Avenue E Wilson Creek Basins Wilson Creek III Wildwood Creek Basins Notes: Infiltration Testing at Eleven Basin, Yucaipa Valley, CA
Test Site Wildwood Creek at California Street City of Yucaipa at California Street Oak Glen Creek Basins ‐ Excavated Oak Glen Creek Basins ‐ Bermed Oak Glen Creek at Western Heights Investigation Sites in the Yucaipa