Page 138 - _ 180314 Special Yucaipa GSA Packet

Notes Just started, dry basin ~28' x 30' (~5' deep) Wheel‐measured wetted area: 29' x 31'

Wetted base = ~2/3 Wetted base = ~3/4 Wetted base = ~3/4

Incremental Vertical Infiltration Rate feet/day 7.86 8.22 8.15 7.91 7.95 8.23 8.33 8.60 8.54 8.73 8.54 8.73 8.43

Ponded Water Level feet 0.0 1.0 1.7 1.6 1.8 2.3 2.5 2.6 2.4 2.2 2.1 2.2 2.1 2.3 Total Infiltrated Volume (feet)

200 180 160 140 120 100 80 60 40 20 0 14

Hydrant Flowmeter Incremental vertical feet 11.2 10.0 13 12
8.5
8.2
8.7
9.0
9.6
9.3
7.7
8.3
9.7
4.8
8.0

cubic feet 7,791 8,076 10,046 4,347 8,993 8,366 7,426 6,886 7,191 8,652 7,389 7,653 8,696 11 10 9 Yucaipa Groundwater Sustainability Agency - March 14, 2018 - Page 133 of 226

Hydrant Flowmeter Total vertical feet 8.7 17.6 28.8 33.6 43.6 52.9 61.2 68.8 76.8 86.4 94.6 103.1 112.8 Investigation Site A 8 7 Time since test started (days)

cubic feet 7,791 15,867 25,913 30,260 39,253 47,619 55,045 61,931 69,122 77,774 85,163 92,816 101,512 6 5

Appendix C. Example Infiltration Test Field Data Sheet

4
1015.12
619.31
851.63
777.74
691.22
928.16
550.45
259.13
158.67
302.60
476.19
392.53
0.00
77.91
Hydrant Flowmeter Reading 100x cubic feet 3 2 1

Time Incremental days 0.97 1.01 1.38 0.59 1.19 1.10 0.98 0.91 0.96 1.11 0.95 0.99 1.12 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0

Test Basin Dimensions
ft ft ft 2 ft Infiltration Rate (feet/day)
30.0 30.0 900 5 0.97 1.98 3.36 3.95 5.14 6.25 7.23 8.14 9.10 10.21 11.16 12.15 13.27

Time Elapsed days

Length: Width: Area: Depth:
Date and Time 6/6/2016 11:08 6/7/2016 10:30 6/8/2016 10:40 6/9/2016 19:50 6/10/2016 9:53 6/11/2016 14:33 6/12/2016 17:04 6/13/2016 16:33 6/14/2016 14:27 6/15/2016 13:28 6/16/2016 16:11 6/17/2016 14:58 6/18/2016 14:37 6/19/2016 17:34