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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-27 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 /> 1/30/2014 7.27 6.8 3,938 1.00 152 2,300 1,370 316 141 4.0 278 NO 2.82 NA NA NA 1.77 910 NA 450 <br /> 4/22/2014 7.01 ND 3,633 1.29 197 2,260 1,250 286 130 3.0 288 0.13 1.35 NA NA NA 1.58 870 NA 348 <br /> 7/30/2014 7.00 49 3,361 0.27 188 2,210 1,230 279 129 4.0 296 0.14 2.34 NA NA NA 1.36 760 NA 333 <br /> 10/28/2014 6.98 4.5 3,330 0.52 81 2,050 1,220 280 126 4.0 283 0.15 3.10 NA NA NA 1.44 790 NA 366 <br /> 1/27/2015 7.02 8.2 3,297 0.80 114 2,370 1,100 254 113 3.0 237 ND 2.32 NA NA NA 1.41 740 NA 290 <br /> 1/27/2015 7.02 8.2 3,297 0.80 114 2,210 1,110 253 117 3.0 247 ND 2.34 NA NA NA 1.43 740 NA 300 <br /> NO is"not detected". <br /> NA is"not analyzed". <br /> EKI Environment&Water,Inc. <br /> July 2023 Page 230 of 281 EKI B90088.03 <br />