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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 /> KM W-3 continued
<br /> Total
<br /> Date Coliform EC DO ORP Hard- Calcium Magnesium Potassium Sodium Iron Manganese Barium Nickel Zinc 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) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
<br /> (per 100 (mg/L)
<br /> mL
<br /> 1/23/2012 7.23 ND 5,585 - - 3,780 1,200 239 147 8.0 910 ND 0.69 NA NA ND -- 870 NO 1,440
<br /> 4/26/2012 6.91 ND 5,897 - 128 4,200 1,400 300 159 8.0 997 ND 0.55 0.044 NA ND -- 1,060 ND 1,480
<br /> 8/1/2012 6.81 ND 6,515 - -4 4,680 1,560 346 169 9.0 1,130 0.07 2.52 NA NA ND -- 1,280 NO 1,520
<br /> 10/29/2012 7.03 ND 5,417 - 75 3,740 1,120 246 122 7.0 850 ND 1.24 NA NA ND -- 880 ND 1,200
<br /> 2/4/2013 7.27 ND 4,322 - 180 3,180 1,010 223 111 8.0 843 0.67 0.59 NA NA ND -- 750 NO 1,120
<br /> 5/6/2013 7.27 ND 3,934 - 167 2,660 731 153 85 6.0 834 ND 0.27 0.028 NA ND -- 500 0.1 980
<br /> 8/5/2013 7.36 ND 4,773 0.57 83 3,200 NA NA NA NA 974 ND 0.65 NA NA NA 2.67 740 NA NA
<br /> 11/19/2013 7.47 ND 4,939 0.24 112 3,400 1,020 212 119 7.0 820 ND 1.10 0.037 NA NA 2.26 800 NA 1,250
<br /> 2/6/2014 7.10 ND 5,525 0.55 147 3,940 NA NA NA NA 1,010 0.18 1.00 NA NA NA 3.35 1,070 NA NA
<br /> 4/28/2014 7.03 NO 5,290 0.39 139 3,560 1,230 257 144 8.0 843 0.16 0.63 0.047 NA NA 1.77 830 NA 1,140
<br /> 8/6/2014 6.95 ND 5,624 3.02 157 3,950 NA NA NA NA 854 0.17 1.34 NA NA NA 1.76 920 NA NA
<br /> 11/4/2014 7.02 ND 6,228 0.32 207 4,420 1,560 336 176 9.0 965 0.18 1.76 0.0486 NA NA 4.46 1,120 NA 1,390
<br /> 2/2/2015 6.98 ND 6,418 0.44 155 4,590 NA NA NA NA 812 0.16 1.82 NA NA NA 4.59 1,150 NA NA
<br /> 4/27/2015 6.89 NO 6,443 1.28 174 4,540 NA NA NA NA 904 ND 0.94 NA NA NA NA 1,090 NA NA
<br /> 7/27/2015 6.59 ND 6,451 0.41 131 4,720 1,430 325 150 6.0 924 ND 1.42 0.0517 NA NA 5.68 1,280 NA 1,250
<br /> 8/31/2011 6.81 NA 7,496 - - NA NA NA NA IN NA NA NA NA NA NA NA NA NA NA
<br /> 10/29/2015 fi.93 ND 8,190 0.80 51 5,860 2,230 472 256 11.0 1,130 ND 3.17 0.0568 NA NA 7.77 1,740 NA 1,520
<br /> NO is"not detected".
<br /> NA is"not analyzed".
<br /> -"data not available.
<br /> Prior to 8/5/2013 samples collected were not filtered.Beginning 8/5/2013 samples were filtered.
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 136 of 281 EKI B90088.03
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