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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 /> DS-1 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 /> 4/22/2014 7.88 >1,600 2,494 &84 95 1,550 670 156 69 &0 263 0.17 0.30 NA NA NA 1.51 570 NA 261 <br /> 7/30/2014 7.54 >1,600 1,594 6.02 113 920 400 93 41 5.0 152 0.11 1.26 NA NA NA 0.81 312 NA 151 <br /> 10/28/2014 7,26 920 3,153 10.14 220 2,020 1,010 248 94 4.0 283 0.17 4.78 NA NA NA 2.11 770 NA 186 <br /> 1/27/2015 6.90 >1,600 3,230 6.85 85 2,120 970 242 89 3.0 270 0.06 3.30 NA NA NA 1.87 680 NA 320 <br /> ND is"not detected'. <br /> NA is"not analyzed'. <br /> EKI Environment&Water,Inc. <br /> July 2023 Page 254 of 281 EKI B90088.03 <br />