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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-10 <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 /> 1/25/1999 7.44 NA 1,150 — — 780 479 110 49.8 5.95 134 37.4 4.21 0.352 ND 0.0848 ND 96.6 ND 113 <br /> 4/13/1999 7.43 NA 3,160 — — 660 359 84 36.3 2.88 126 0.214 0.752 NA NA NA NA 93 NA 116 <br /> 6/2/2003 NA NA NA 4.4 — NA NA NA NA NA NA NA NA 0.0423 NA 0.00621 NA NA NA NA <br /> 7/1/2003 NA NA NA — — NA NA NA NA NA NA NA NA 0.0264 0.0003 0.00326 NA NA NA NA <br /> 8/4/2003 NA NA NA -- -- NA NA NA NA NA NA NA NA 0.0398 0.00021 0.00194 NA NA NA NA <br /> 9/27/2004 NA NA NA -- -- NA NA 67 28 1.3 92 0.351 0.219 0.0412 NA 0.00142 NA NA NA NA <br /> 2/25/2005 7.30 8 890 710 NA :9 27 1.5 94 ND 0.16 0.046 ND ND 0.38 96 ND 100 <br /> NO is"not detected". <br /> NA is"not analyzed". <br /> River Islands-MWR-10 River Islands-MWR-10 <br /> Total Dissolved Solids NO.-NO2 Nitrogen <br /> 5000 d 20 <br /> 4000 E <br /> 15 <br /> E 3000 m 10 <br /> y 2000 <br /> 1000 = 5 <br /> O ogo 0�nv�nm�m mNNNNNN z 0�o mv�n rnN�n <br /> oat—,»—,�—,»—,�—,»—,� Date <br /> EKI Environment&Water,Inc. <br /> July 2023 Page 203 of 281 EKI B90088.03 <br />