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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-23 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 /> 7/24/2012 &31 ND 3,644 1.29 -5 2,220 1,010 203 122 20 388 NO 0.71 NA NA NA 1.71 840 NA 500
<br /> 7/24/2012 6.31 NA 3,644 1.29 -5 2,150 1,020 205 123 2.0 389 NO 0.84 NA NA NA 1.74 810 NA 480
<br /> 10/23/2012 6.81 ND 3,981 0.67 80 2,290 1,140 235 135 2.0 406 NO 1.04 NA NA NA 1.98 840 NA 550
<br /> 1/28/2013 6.86 ND 3,796 0.27 210 2,180 1,110 225 133 2.0 390 NO 1.34 NA NA NA 1.91 890 NA 550
<br /> 1/28/2013 6.86 ND 3,796 0.27 210 2,180 1,090 222 131 2.0 442 NO 1.42 NA NA NA 1.58 850 NA 530
<br /> 4/26/2013 6.98 7 4,124 2.68 510 2,340 1,190 250 138 2.0 409 NO 0.21 NA NA NA 1.98 950 NA 610
<br /> 4/26/2013 6.98 4 4,124 2.68 510 2,380 1,220 254 143 2.0 429 ND 0.21 NA NA NA 1.90 950 NA 600
<br /> 7/29/2013 6.84 ND 3,749 0.47 259 2,210 1,070 217 128 2.0 396 ND 0.41 NA NA NA 1.66 1,070 NA 610
<br /> 7/29/2013 6.84 ND 3,749 0.47 259 2,100 1,090 221 131 2.0 412 NO 0.49 NA NA NA 1.71 870 NA 510
<br /> 11/14/2013 6.86 ND 3,976 0.95 125 2,330 1,180 244 140 2.0 400 NO 0.98 NA NA NA 1.96 870 NA 540
<br /> 11/14/2013 6.86 ND 3,976 0.95 125 2,250 1,170 239 140 2.0 382 NO 1.14 NA NA NA 1.90 840 NA 510
<br /> 1/29/2014 6.83 ND 3,916 0.81 226 2,230 1,140 231 137 2.0 374 NO 1.19 NA NA NA 1.85 900 NA 560
<br /> 1/29/2014 6.83 2 3,916 0.81 226 2,230 1,130 229 136 2.0 374 NO 1.28 NA NA NA 1.94 890 NA 560
<br /> 4/21/2014 6.75 ND 4,369 0.85 290 2,420 1,210 246 145 2.0 401 0.14 0.75 NA NA NA 2.09 970 NA 557
<br /> 4/21/2014 6.75 ND 4,369 0.85 290 2,450 1,160 235 140 2.0 389 0.14 0.79 NA NA NA 2.08 940 NA 529
<br /> 7/31/2014 6.71 NO 4,185 0.79 297 2,810 1,200 248 142 2.0 387 0.15 0.88 NA NA NA 2.14 970 NA 544
<br /> 7/31/2014 6.71 NO 4,185 0.79 297 2,670 1,240 252 148 2.0 377 0.15 0.90 NA NA NA 2.13 950 NA 536
<br /> 10/27/2014 6.69 NO 3,685 0.65 272 2,230 1,030 210 124 2.0 354 0.13 1.05 NA NA NA 2.11 800 NA 550
<br /> 10/27/2014 6.69 NO 3,685 0.65 272 2,110 1,030 211 123 2.0 356 0.15 1.18 NA NA NA 2.20 830 NA 550
<br /> 1/26/2015 6.79 14 3,596 0.89 190 2,200 930 192 110 2.0 296 ND 0.97 NA NA NA 1.86 770 NA 390
<br /> NO is"not detected".
<br /> NA is"not analyzed".
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 214 of 281 EKI B90088.03
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