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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-30 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 /> 4/25/2013 &64 ND 3,451 0.91 416 2,120 1,510 390 131 &0 191 NO 0.46 NA NA NA 1.37 670 NA 490 <br /> 4/25/2013 6.64 14 3,451 0.91 416 2,280 1,480 382 129 5.0 189 NO 0.41 NA NA NA 1.21 670 NA 490 <br /> 7/30/2013 7.00 ND 3,500 0.70 183 2,230 1,390 350 125 4.0 171 NO 2.77 NA NA NA 1.44 720 NA 600 <br /> 11/15/2013 7.19 ND 3,391 0.73 2 2,170 1,370 346 123 5.0 184 NO 2.16 NA NA NA 1.40 710 NA 580 <br /> 11/15/2013 7.19 2 3,391 0.73 2 2,100 1,340 336 122 5.0 179 NO 3.38 NA NA NA 1.45 660 NA 540 <br /> 1/30/2014 7.05 ND 3,304 2.04 195 2,140 1,270 323 114 4.0 161 NO 0.82 NA NA NA 1.59 660 NA 520 <br /> 4/22/2014 6.86 ND 3,384 2.74 302 2,240 1,390 352 124 4.0 188 0.15 0.37 NA NA NA 1.63 710 NA 500 <br /> 4/22/2014 6.86 ND 3,384 2.74 302 2,330 1,410 356 126 4.0 181 0.14 0.26 NA NA NA 1.63 650 NA 450 <br /> 7/30/2014 6.54 ND 3,398 0.64 417 2,470 1,350 344 120 5.0 164 0.19 2.29 NA NA NA 1.58 650 NA 470 <br /> 7/30/2014 6.54 13 3,398 0.64 417 2,430 1,310 328 120 5.0 169 0.15 2.43 NA NA NA 1.62 670 NA 478 <br /> 10/28/2014 6.74 ND 3,230 2.30 320 2,160 1,340 339 119 5.0 172 0.18 3.19 NA NA NA 1.70 630 NA 520 <br /> 10/28/2014 6.74 ND 3,230 2.30 320 2,150 1,330 339 118 4.0 176 0.15 2.44 NA NA NA 1.70 630 NA 530 <br /> 1/27/2015 6.84 ND 3,340 2.66 318 2,300 1,310 339 113 4.0 166 ND 0.19 NA NA NA 1.57 640 NA 460 <br /> ND is"not detected". <br /> NA is"not analyzed". <br /> EKI Environment&Water,Inc. <br /> July 2023 Page 242 of 281 EKI B90088.03 <br />