Page 31 - Yucaipa Sustainable Groundwater Management Agency - Yucaipa SGMA

1.5
Low
0.18
19.7
28.3
14.5
9.5
5.5
9.8
2.4
7.3
5.2
Infiltration Rate Falling‐Head Test c High (ft/d) (ft/d) 11.1 0.19 9.5 11.5 3.1 7.4 16.8 N/A; too fast 19.7 31.2 6.6 1.6 TODD GROUNDWATER

Infiltration Rate Constant‐Head Test Average Low b (ft/d) (ft/d) 10.8 9.2 0.1 0.1 10.2 8.8 12.7 12.0 3.5 2.9 7.4 6.1 16.0 13.6 52.0 44.8 21.0 17.9 39.0 32.2 5.6 5.2 1.4 1.2

High a (ft/d) 12.3 0.1 11.5 13.4 4.0 8.7 18.5 59.2 24.1 45.8 6.1 1.6

Total Infiltrated Water Acre‐Feet 2.68 0.07 2.99 4.45 0.83 2.71 5.05 10.51 6.06 12.40 1.96 0.16

Gallons

871,782 1,270 22,895 1,305 974,084 1,571 1,451,335 1,719 270,060 1,197 882,120 1,294 1,646,180 1,446 3,426,110 1,160 1,974,600 1,344 4,040,929 1,154 639,130 1,374 50,632 1,184

Test Basin Infiltrating Area Bottom + Sidewalls (ft 2 ) 960 990 1,221 1,404 882 928 1,056 900 1,024 812 1,156 920

Table 2 Yucaipa Basin Infiltration Tests Results Bottom Only (ft 2 ) 10 Yucaipa Sustainable Groundwater Management Agency - January 23, 2019 - Page 29 of 137

Ave. Pond Depth (ft) 2.5 2.5 2.5 2.1 2.5 3.0 3.0 2.0 2.5 3.0 1.6 2.0

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