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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 /> MW-5 continued <br /> Total <br /> Date Coliform EC DO ORP Hard- Calcium Magnesium Potassium Sodium Manganese Barium Nickel Zinc 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) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) <br /> (per 100 (mg/L) <br /> mL <br /> 4/26/2012 7.36 5.1 4,890 - 118 3,100 386 97 35 5.0 971 0.18 0.56 0.057 NA ND -- 820 ND 850 <br /> 8/1/2012 7.33 ND 4,950 - -19 3,190 363 91 33 5.0 1,250 0.34 0.85 NA NA NO -- 810 ND 870 <br /> 10/29/2012 7.30 ND 4,943 - 84 3,080 358 89 33 5.0 1,280 0.11 0.58 NA NA ND -- 720 ND 790 <br /> 2/4/2013 7.57 ND 4,471 - 183 3,000 388 93 38 5.0 1,110 0.90 0.48 NA NA ND -- 810 ND 850 <br /> 5/6/2013 7.42 23 4,684 - 222 3,020 365 92 33 6.0 1,320- 3.77 3.13 0.126 NA 0.06 -- 720 ND 810 <br /> 8/5/2013 7.63 ND 4,741 1.23 77 2,930 NA NA NA NA 1,180 ND 0.65 NA NA NA 1.54 790 NA NA <br /> 11/19/2013 7.42 ND 4,553 1.06 117 2,850 330 83 31 5.0 953 ND 0.69 0.0419 NA NA 1.14 720 NA 730 <br /> 2/6/2014 7.59 ND 4,459 1.84 95 2,750 NA NA NA NA 940 0.13 0.58 NA NA NA 1.43 710 NA NA <br /> 4/28/2014 7.41 ND 4,353 0.35 211 2,670 340 83 32 5.0 892 0.09 0.41 0.0390 NA NA 0.72 630 NA 550 <br /> 8/6/2014 7.47 NO 4,209 3.90 217 2,540 NA NA NA NA 961 0.08 0.61 NA NA NA 0.71 610 NA NA <br /> 11/4/2014 7.46 ND 4,750 1.02 188 2,570 250 fit 24 4.0 860 0.08 0.52 0.0275 NA NA 1.65 630 NA 540 <br /> 2/2/2015 7.47 NO 4,065 0.48 198 2,560 NA NA NA NA 815 0.08 0.39 NA NA NA 1.23 570 NA NA <br /> 4/27/2015 7.53 ND 4,064 1.83 176 2,490 NA NA NA NA 855 ND 0.30 NA NA NA NA 580 NA NA <br /> 7/27/2015 7.52 NO 3,851 0.90 145 2,400 NA NA NA NA 793 ND 0.43 NA NA NA 1.28 570 NA NA <br /> 8/31/2015 7.39 NA 4,013 - - NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA <br /> 10/29/2015 7.52 ND 3,885 1.22 65 2,450 230 57 22 4.0 814 ND 0.49 0.0278 NA NA 1.35 590 NA 500 <br /> 2/4/2016 7.58 ND 3,768 1.03 43 2,380 NA NA NA NA 817 ND 0.37 NA NA NA 1.47 527 NA NA <br /> 4/21/2016 7.38 ND 3,829 0.70 82 2,320 240 58 22 4.0 796 ND 0.39 NA NA NA 1.30 590 NA 510 <br /> 8/8/2016 7.53 ND 3,616 1.49 61 2,260 210 52 20 4.0 746 0.04 0.46 NA NA NA 1.47 550 NA 447 <br /> NO is"not detected'. <br /> NA is"not analyzed'. <br /> "-"data not available. <br /> Prior to 8/5/2013 samples collected were not filtered.Beginning 8/5/2013 samples were filtered. <br /> EKI Environment&Water,Inc. <br /> July 2023 Page 168 of 281 EKI B90088.03 <br />