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Appendix C-Historical Water Quality City of Lathrop
<br /> Consolidated Treatment Facility
<br /> Monitoring and Reporting Program 115-2016-0028-03 Rev3
<br /> MWR-24 continued
<br /> Total
<br /> Date Coliform EC DO ORP Hard- Calcium Magnesium Potassium Sodium Manganese Barium Nickel Bromide Chloride Fluoride Sulfate
<br /> Sampled pH Bacteria (uS/cm) (mg/L) (mV) TDS(mg/L) mess (mg/L) (mg/L) (mg/L) (mg/L) Iron(mg/L) (mg/L) (mg/L) (mg/L) Zinc(mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
<br /> (per 100 (mg/L)
<br /> mL
<br /> 1/29/2014 &61 NO 8,164 0A7 -96 5,310 2,980 690 305 7.0 624 63.1 18.3 NA NA NA &58 2,190 NA 1,190
<br /> 4/21/2014 6.46 ND 7,408 0.44 -75 5,930 2,730 611 294 6.0 715 45.4 17.0 NA NA NA 4.92 2,030 NA 1,060
<br /> 7/31/2014 6.52 ND 7,871 1.13 -33 6,750 2,830 599 324 6.0 665 49.8 18.5 NA NA NA 5.05 2,030 NA 1,070
<br /> 10/27/2014 6.64 NO 7,388 0.48 -96 4,870 2,350 525 252 5.0 780 30.9 15.9 NA NA NA 4.05 1,800 NA 1,280
<br /> 1/26/2015 6.69 ND 8,805 0.47 -108 6,550 2,880 691 280 4.0 578 38.6 18.8 NA NA NA 6426 21100 NA 1,000
<br /> Groundwater Limitations in Groundwater Limitations Compliance Plan,September 30,2015
<br /> 2.2 1 6,776 1 1 855 1 366 1 14 1 878 135 29 1 2,930 1 1,450
<br /> 10/26/2015 67 3.7 7252 1.70 -85 5,140 2,37 524 258 4.0 678 25.3 16.3 NA NA NA 4.40 61, 0 NA 960
<br /> 4/25/2016 7.26 ND 5,294 3.54 50 3650 NA NA NA NA NA NA i NA NA NA 233 90 NA NA
<br /> Revised Groundwater Limitations in Groundwater Limitations Compliance Plan,August 1,2016
<br /> 2.2 7,169 3,842 12 11039 123 27 2,769 1,577
<br /> 110/31//2016 7.65 NA' 5,478 -13 3,780 530 343 165 2 678 557 NO NA NA NA 272 290 NA 722
<br /> 0/3 201 6 7.65 33` 5478 84 3 3,800 1,57 350 170 3.0 676 6.42 ND NA NA NA 2.6 1,130 NA 7141.4
<br /> 5/5/2017 6.48 ND 5,602 0.37 -62 3,580 NA NA NA NA 701 NA NA NA NA NA 1.52 1,200 NA NA
<br /> 5/5/2017 6.48 ND 5,602 0.37 -62 3,530 NA NA NA NA 702 NA NA NA NA NA 1.57 1,230 NA NA
<br /> 11/30/2017 6.86 ND 4,546 0.91 101 2,850 1,160 255 127 2.0 590 5.46 7.74 NA NA NA 1.31 850 NA 529
<br /> 5/3/2018 6.70 ND 5,581 1.10 96 3,350 NA NA NA NA 595 NA NA NA NA NA ND 990 NA NA
<br /> 11/6/2018 6.74 2 2,839 0.24 -108 1,670 480 110 51 1.0 388 3.73 2.92 NA NA NA 0.62 427 NA 221
<br /> 4/30/2019 6.98 ND 3,085 0.56 -32 1,790 NA NA NA NA 461 NA NA NA NA NA 0.66 500 NA NA
<br /> Well was resampled for Total Coliform on 11/11/2016 due to lab error on the original sample.
<br /> NO is"not detected".
<br /> NA is"not analyzed'.
<br /> Concentrations in bold exceed the Groundwater Limitation.
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 218 of 281 EKI B90088.03
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