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Table 3
<br /> Groundwater Extraction With Submersible Pump-Operational Data
<br /> Tidewater Stockton
<br /> 666 West Weber Avenue
<br /> Stockton,California
<br /> Observation Wells
<br /> GWE-1 GWE-2 MW-72
<br /> Distances from Extraction Well(feet)
<br /> 0.0 112.5 166.3
<br /> Time Depth to Flow Total Flow Flow Flow Depth to Depth to
<br /> Span Water Totalizer Volume Rate" Rates Water Water
<br /> DaterTime (inn) (ft bTOCI (gal) (gal) (gpm) (gpm) (ft bTOC) (ft bTOC) Notes/Comments
<br /> 11/15/1012:50 0 12.70 182,280 0 -- - 13.02 19.54 Sampled GWE-INF1,start-up delayed for rental equipment.Depth to bottom=17 45'
<br /> 11/161108:30 0 12.70 182,280 0 - - 13.01 19.54 Pre-start measurements
<br /> 11/16/108:50 0 12.70 182,280 0 6.0 - - - Start-up on GWE-1,pump on
<br /> 11/16110 9:00 10 12.77 182,350 70 6.0 7.0 12.99 19.54 VFD=38 htz
<br /> 11/16/10 9:05 5 12.80 182,382 102 6.3 6.4 12.99 19.54 VFD=38 htz
<br /> 11/16/10 9:10 5 12.84 182,411 131 5.8 5.8 13.00 19.54 VFD=38 htz
<br /> 11/16/109:30 20 12.93 182,530 250 5.95 5.9 13.00 19.54 VFD=38 htz
<br /> 11/16/1010:00 30 13.10 182,719 439 6.3 6.3 13.02 19.54 VFD=38 inti
<br /> 11/16/1010:36 36 13.28 182,915 635 8.0 5.4 13.01 19.54 VFD=38 htz
<br /> 11116/101113 37 13.80 183,138 858 6.0 8.0 13.01 19.54 VFD=38 inti,sampled GW-INF-2
<br /> 11/16/1011:35 22 15.01 183,235 955 4.0 4.4. 13.01 - Stopped pumpfor adjustments because groundwaterwas belowpump intake
<br /> 11/16/1011:37 2 15.40 183,237 957 - 0.0 - - Pump off,recharge
<br /> 11116/1011:45 8 13.70 183,237 957 - 0.0 - - Pump off,recharge
<br /> 11/16/1011:50 5 13.69 183,237 957 - 0.0 - - Pump off,recharge
<br /> 11/16/1011:55 5 13.88 183,237 957 - 0.0 - - Pump off,recharge
<br /> 1111611012:00 5 13.69 183,237 957 - 0.0 - - Pump off,recharge
<br /> 11/1611012:01 1 - 183,237 957 2.0 0.0 - - Restar(pump on
<br /> 11/16/10 12:05 4 13.81 163,255 975 2.0 4.5 - -
<br /> 11116/1012:10 5 13.95 183,265 985 2.0 2.0 13.00 19.64
<br /> 11/181101215 5 14.80 183,275 995 2.0 2.0 - -
<br /> 11/16/10 12:17 2 15.02 183,280 1,000 - 25 - - Pump off because well is dry
<br /> 1111611013:00 43 13.80 183,280 1,000 - 0.0 - - Pump off,recharge
<br /> 11/1611013:40 40 13.77 183,280 1,000 - 0.0 - - Pump off,recharge
<br /> 11/16/1015:00 80 13.60 183,280 1,000 - 0.0 - - Pump off,recharge
<br /> 11/171108:30 1050 13.30 183,280 1,000 - 0.0 - - Pump off,recharge,end test
<br /> Tolela 3.02 1,000 5.5 Sustained flow estimate is<2 gpm using RedWlo 4 electric submersible pump.
<br /> hours gallons gpm Based on field technicians observation of Gudden flow reduction at 11/16/1011:35 and
<br /> runtime average Correspondence with engineer the gravel pack under excavation dewatered at a high flow
<br /> rate followed by lower baseline flow levels.
<br /> Observation Wells
<br /> Gill (3WE-1 MW-72
<br /> Distances from Extraction Well feet)
<br /> 0.0 112.5 80.1
<br /> Time Depth to Flow Total Flow Flow Flow Depth to Depth to
<br /> Span Water Totalizer Volume Rates Rate' Water Water.
<br /> Daterrime (min) (ft bTOC) (gal)
<br /> (gap (gpm) (gpm) (h bTOC) it bTOC) Notes/Comments
<br /> 11/15/10 9:15 - 13.02 - - - - _ - Depth to bottom=17.50'
<br /> 11/16/1012:30 0 13.00 183,280 0 6.0 - 13.90 19.54 Start-up on GWE-2,pump on
<br /> 11116/10 1235 5 13.00 183,310 30 6.0 6.13 13.80 19.54
<br /> 11/16/1012:45 10 13.05 183,350 70 6.1 4.0 13.82 19.54
<br /> 11/16/1013:02 17 13.10 183,456 176 62 6.2 13.80 19.54
<br /> 11/1611013:40 38 13.19 183,680 400 5.9 5.9 13.77 19.54
<br /> 1111611014:00 20 13.38 183,788 508 5.4 5.4 13.80 -
<br /> 11/16/1014:30 30 13.48 - - - - - - Sampled GW6/VF3
<br /> 11/16/1014:40 10 13.52 184,038 758 62 6.3 13.77 19.54
<br /> 11116/1015:00 20 13.61 184,133 853 6.0 4.7 13.60 19.54
<br /> 11/16/1015:30 30 13.70 184,303 1,023 5.6 5.7 13.63 -
<br /> 11116/1016:00 30 13.95 184,477 1,197 5.8 5.8 13.61 -
<br /> 11/16/1016:25 25 14.41 - - 6.0 - - -
<br /> 1111611017:00 35 14.95 184,610 1,530 6.0 5.5 - -
<br /> 11/1611017:10 10 14.97 - - 6.0 - - -
<br /> 11I16/1017:20 10 14.97 184,844 1,564 - 1.7 - - Stopped pump because groundwater was below pump intake,end day
<br /> 11/17/108:30 910 14.01 184,850 1,570 - - - - Rebound,pre-test resumption,pump off
<br /> 11117/108:53 23 - 184,850 1,570 6.18 - - - Re-start-up on GWE-2,pump on
<br /> 111171109:20 27 14.23 185,017 1,737 6.18 3.3 - -
<br /> 11/17/109:35 15 14.32 185,107 1,827 6.0 2.1 - -
<br /> 11/17/1010:18 43 15.10 185,321 2,041 - 3.7 - - End pumping,pump dry
<br /> 11/1711010:32 14 14.47 185,321 "2,041 - - - - Pump off,recharge
<br /> Tohda 6.2 2,041 5.4 Sustained flow estimate's<4 gpm using Re&Flo 4 electric submersible pump.
<br /> hours gallons gpm Estimate is based on drop-off of flow as depth to water shifted at 11/1611017:00.
<br /> runtime average
<br /> C{4t91:
<br /> A=Instantaneous flow rate recorded In the field from flow meter
<br /> B=Calculated flow rate from time and flow totalizer
<br /> Abbreviations:
<br /> GWE=Groundwater Extraction Well
<br /> VFD=variable frequency drive
<br /> It
<br /> bTOC=feet belowtop of casing
<br /> min=minute or minutes
<br /> gal-::::on or gallons
<br /> gpm =gallons per minute
<br /> -=not measured
<br /> `feet
<br />
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