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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 /> M WM-19 continued
<br /> Total
<br /> Data Coliform EC DO ORP Hard- Calcium Magnesium Potassium Sodium Manganese Barium Nickel Bromide Chloride Fluoride Sulfate
<br /> Sample m9d PH Bact1L0000
<br /> (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 /> er
<br /> 2/1/2013 7.96 27 4,543 0.98 152 2,720 190 22 34 3.2 1,110 NO 0.04 NA NA NA 2.41 760 NA 330
<br /> 5/1/2013 7.99 ND 4,047 2.00 305 2,440 180 23 29 3.0 1,285- ND 0.02 NA NA NA 2.26 710 NA 300
<br /> 8/2/2013 7.83 13 3,857 1.57 128 2,580 170 20 30 2.0 1,100 ND 0.04 NA NA NA 2.35 760 NA 330
<br /> 11/21/2013 7.86 2 4,113 0.35 106 2,500 180 23 31 3.0 932 ND 0.06 NA NA NA 2.22 700 NA 320
<br /> 2/5/2014 8.02 130 4,138 0.93 159 2,520 180 23 31 4.0 950 0.1 0.03 NA NA NA 2.10 700 NA 320
<br /> 4/24/2014 7.89 ND 4,171 0.54 213 2,420 160 19 27 3.0 895 0.1 0.03 NA NA NA 2.39 650 NA 247
<br /> 8/7/2014 7.89 1.8 4,141 1.82 233 2,450 170 22 28 3.0 907 0.1 0.06 NA NA NA 2.29 590 NA 229
<br /> 11/3/2014 7.84 110 3,878 0.87 193 2,480 150 19 26 3.0 932 0.1 0.06 NA NA NA 2.49 540 NA 220
<br /> 1/29/2015 8.1 ND 3,799 3.10 172 2,130 170 23 27 3.0 811 ND 0.03 NA NA NA 2.41 520 NA 230
<br /> 9/14/2017 7.71 ND 3,727 0.18 105 2,370 160 19 28 3.0 981 ND 0.10 NA NA NA 2.29 427 NA 241
<br /> 11/29/2017 7.87 4.5 3,817 2.50 236 2,440 180 23 29 2.0 834 ND 0.11 NA NA NA 2.22 390 NA 234
<br /> 2/28/2018 8.14 79 3,710 3.25 121 2,300 170 24 28 2.0 801 ND 0.03 NA NA NA 2.24 335 NA 211
<br /> 11/6/2018 7.49 2 3,575 0.30 156 2,290 160 21 27 3.0 954 NO 0.07 NA NA NA 1.84 291 NA 212
<br /> 4/30/2019 7.73 ND 3,589 2.90 240 2,230 NA NA NA NA 943 NA 0.00 NA NA NA 1.60 270 NA NA
<br /> 10/30/2019 7.49 ND 3,038 0.60 201 2,180 160 21 25 3.0 793 ND 0.08 NA NA NA 1.82 259 NA 207
<br /> 10/30/2019 7.49 ND 3,038 0.60 201 2,210 160 21 26 3.0 740 ND 0.09 NA NA NA 1.83 259 NA 207
<br /> 5/11/2020 7.93 NO 2,380 1.00 38 1,950 NA NA NA NA 116 NA NA NA NA NA 1.42 243 NA NA
<br /> 11/6/2020 7.45 ND 3,245 0.52 129 2,170 120 17 20 3.0 851 0.1 0.10 NA NA NA 1.64 274 NA 218
<br /> 5/5/2021 7.86 NO 2,490 0.88 111 1,800 NA NA NA NA 625 NA NA NA NA NA 1.34 220 NA NA
<br /> 10/18/2021 7.77 4.5 2,727 0.45 246 2,030 160 22 25 3.0 704 ND 0.20 NA NA NA 1.52 223 NA 217
<br /> 5/3/2022 7.61 4 3,180 0.31 49 2,000 NA NA NA NA 882 NA NA NA NA NA 1.52 231 NA NA
<br /> 192022 771 3,3 56 375 2 3 2 3 81990 5 NA NA NA 1..6 367 NA 250
<br /> 0 NA 143 308 NA4/4/202 7 350 87 0. , NA NA A NA NA NA
<br /> Concentrations in bold exceed the Groundwater Limitation.
<br /> NO is"not detected'.
<br /> NA is"not analyzed'.
<br /> denotes average of lab reported values.
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 76 of 281 EKI B90088.03
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