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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 /> MBRMW-1 continued <br /> Total <br /> Data Coliform EC DO ORP Hard- Calcium Magnesium Potassium Sodium Manganese Barium Nickel Bromide Chloride Fluoride Sulfate <br /> Sampled PH Bact1eria 00 (uS/cm) (mg/L) (mV) TDS(mg/L) nesL (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 /> mg/) <br /> mL <br /> 2/7/2014 7.2 ND 2,516 0.90 274 1,510 490 118 48 3.0 357 0.10 ND NA NA NA 0.36 309 NA 330 <br /> 4/25/2014 7.6 ND 1,822 0.51 228 1,000 120 28 12 2.0 347 0.13 ND NA NA NA 0.25 320 NA 106 <br /> 8/1/2014 7.23 ND 2,041 1.09 174 1,180 260 61 25 3.0 338 0.09 ND NA NA NA 0.33 289 NA 178 <br /> 11/5/2014 7.48 ND 1,792 0.34 222 1,040 100 23 10 2.0 373 0.04 ND NA NA NA 0.25 348 NA 89 <br /> 2/3/2015 7.69 ND 1,663 0.95 246 1,000 140 30 15 2.0 332 ND 0.010 NA NA NA 0.12 281 NA 93 <br /> 4/27/2015 7.36 ND 1,562 1.06 178 910 166 40 16 2.0 285 0.05 ND NA NA NA 0.19 249 NA 74 <br /> 10/28/2015 7.56 ND 1,435 1.23 2 830 90 21 9 2.0 275 0.13 0.010 NA NA NA 0.21 231 NA 68 <br /> 8/5/2016 7.35 ND 1,426 0.47 42 880 130 32 13 2.0 260 ND ND NA NA NA 0.24 242 NA 89 <br /> 5/9/2017 7.74 NO 1,485 0.71 99 880 NA NA NA NA 295 NA NA NA NA NA 0.76 232 NA NA <br /> 11/29/2017 7.73 4.5 1,533 0.35 212 860 50 8 8 ND 328 ND 0.050 NA NA NA 0.44 233 NA 99 <br /> 5/3/2018 8.12 NO 1,512 1.27 88 870 NA NA NA NA 305 NA NA NA NA NA 0.70 227 NA NA <br /> 11/5/2018 7.32 ND 1,538 0.32 143 900 170 36 19 2.0 242 ND 0.020 NA NA NA 0.53 217 NA 85 <br /> 5/1/2019 7.63 ND 1,468 0.64 202 810 NA NA NA NA 287 NA NA NA NA NA 0.65 253 NA NA <br /> 10/31/2019 7.83 ND 1,262 0.50 215 800 50 8 7 1.0 264 ND 0.040 NA NA NA 0.84 195 NA 58 <br /> 5/8/2020 7.76 NO 909 0.25 180 590 NA NA NA NA 166 NA NA NA NA NA 0.19 160 NA NA <br /> 11/4/2020 7.69 ND 1,124 0.75 168 670 90 22 9 2.0 200 0.06 0.020 NA NA NA 0.66 177 NA 51 <br /> 5/7/2021 7.60 NO 1,233 0.68 229 720 NA NA NA NA 224 NA NA NA NA NA 0.29 163 NA NA <br /> 10/19/2021 7.42 49 1,385 1.27 216 800 140 35 14 4.0 225 ND 0.020 NA NA NA 0.76 181 NA 60 <br /> 5/2/2022 7.40 ND 983 0.45 -2 590 NA NA NA NA 172 NA NA NA NA NA 0.11 136 NA NA <br /> 11/1/2022 7.51 ND 1,006 0.36 170 550 110 31 9 9.0 141 0.08 0.020 NA NA NA 0.06 164 NA 43 <br /> 4/4/2023 8.02 6.8 1,102 0.75 220 600 NA NA NA NA 182 NA NA NA NA NA 0.10 163 NA NA <br /> NO is"not detected". <br /> NA is"not analyzed". <br /> EKI Environment&Water,Inc. <br /> July 2023 Page 112 of 281 EKI B90088.03 <br />