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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 /> MW-5
<br /> Total
<br /> Date Coliform EC DO ORP Hard- Calcium Magnesium Potassium Sodium Manganese Barium Nickel Zinc Bromide Chloride Fluoride Sulfate
<br /> Sampled pH Bacteria (uS/cm) (mg/L) (mV) TDS(mg/L) ness (mg/L) (mg/L) (mg/L) (mg/L) Iron(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 /> 10/11/2002 7.37 NO -- -- -- NA 330 87 27 6.4 790 0.04 0.49 NA NA -- -- 91 -- 1,400
<br /> 1/24/2003 7.95 NO -- -- -- NA 470 120 40 4.0 760 NO 0.21 NA NA -- -- 690 -- 1,490
<br /> 4/16/2003 7.56 NO -- -- -- NA 380 80 43 2.0 622 NO 0.02 NA NA -- -- 420 -- 675
<br /> 9/24/2003 7.4 >23.0 -- -- -- 2,660 320 70 35 4.0 775 10.30 0.92 0.13 NA -- -- 487 -- 410
<br /> 2/19/2004 7.53 -- 3,660 -- - 2,470 370 83 39 12 147 7.09 0.28 0.09 NA -- -- 435 -- NA
<br /> 4/20/2004 7.46 -- 3,850 -- - 2,510 310 70 32 3.0 742 0.37 0.21 0.03 NA - -- 397 - 716
<br /> 7/29/2004 7.68 -- 4,860 -- - 2,580 320 73 33 3.0 818 0.68 0.17 0.06 NA -- -- 403 -- 790
<br /> 12/2/2004 7.61 -- 4,920 -- - 2,860 300 75 28 4.0 889 4.57 1.38 0.14 NA - -- 460 - NA
<br /> 1/24/2005 7.6 ND -- -- - 1,440 NA NA NA NA 502 14.30 0.83 NA NA -- -- 185 -- NA
<br /> 4/21/2005 7.31 ND 2.360 -- - 1,420 440 78 60 3.0 352 24.60 0.93 0.17 NA -- -- 250 -- 276
<br /> 8/18/2005 7.29 -- 3,440 -- - 2,190 NA NA NA NA 608 5.15 0.44 NA NA -- -- 362 -- NA
<br /> 11/4/2005 7.0 -- NA -- - 2,540 NA NA NA NA 630 35.6 1.39 NA NA - -- 390 - NA
<br /> 1/26/2006 7.6 >23.0 3,930 -- - 2,690 NA NA NA NA 850 53.0 2.27 NA NA -- -- 430 -- NA
<br /> 5/1/2006 7.6 ND 2,560 -- - 2,790 420 102 40 7.0 922 25.5 1.31 0.23 NA - -- 429 - 917
<br /> 8/15/2006 7.7 1.1 4,090 -- - 2,910 NA NA NA NA 997 21.3 1.23 NA NA -- -- 460 -- NA
<br /> 10/23/2006 7.7 >23.0 4,230 -- - 2,990 NA NA NA NA 1,100 28.8 1.29 NA NA - -- 500 - NA
<br /> 1/30/2007 7.7 5.1 4,290 -- - 3,020 NA NA NA NA 1,110 20.0 1.16 NA NA -- -- 650 -- NA
<br /> 4/30/2007 7.57 1.1 4,370 -- - 3,170 400 96 40 5.0 1,000 19.9 1.52 0.21 NA -- -- 600 -- 1,050
<br /> 8/2/2007 7.24 NO 4,670 -- - 3,230 NA NA NA NA 1,130 1.73 0.61 NA NA -- -- 620 -- NA
<br /> 12/3/2007 7.51 16.1 4,620 -- - 3,440 NA NA NA NA 1,160 1.25 0.75 NA NA - -- 590 - NA
<br /> 2/18/2008 7.48 5.1 3,800 -- - 3,130 NA NA NA NA 808 6.22 0.88 NA NA -- -- 620 -- NA
<br /> 4/16/2008 7.59 ND 3,970 -- - 3,420 380 95 34 4.0 863 0.67 0.59 0.05 NA - -- 640 - 1,030
<br /> 7/15/2008 7.40 NO 3,990 -- - 3,300 NA NA NA NA 812 1.17 0.59 NA NA -- -- 610 -- NA
<br /> 10/20/2008 7.56 ND 8,064 -- - 3,270 NA NA NA NA 1,070 2.79 0.66 NA NA - -- 610 - NA
<br /> 1/12/2009 7.44 NO 4,196 -- - 3,110 NA NA NA NA 1,040 0.50 0.41 NA NA -- -- 640 -- NA
<br /> 4/20/2009 7.10 ND 4,050 -- - 3,100 430 103 41 6.0 1,000 3.68 0.64 0.09 NA - -- 620 - 900
<br /> 7/27/2009 7.28 >23.0 4,360 -- - 3,100 NA NA NA NA 984 1.11 0.52 NA NA -- -- 630 -- NA
<br /> 10/26/2009 7.40 3.6 4,317 -- - 2,980 380 94 35 5.0 1,040 0.99 0.62 NA NA ND -- 640 NO 880
<br /> 2/5/2010 7.39 3.6 4,123 -- - 3,150 370 90 35 4.0 697 0.27 0.41 NA NA NO -- 620 ND 860
<br /> 5/3/2010 7.38 ND 4,218 -- - 2,920 380 96 35 5.0 987 0.64 0.52 0.0685 NA NO -- 610 0.1 800
<br /> 8/3/2010 7.27 5.1 4,373 -- - 3,090 400 101 36 6.0 1,000 0.87 0.78 NA NA NO -- 650 ND 940
<br /> 10/14/2010 7.25 ND 3,215 -- - 3,000 358 89 33 6.0 1,030 2.47 0.75 NA NA NO -- 640 NO 810
<br /> 3/3/2011 7.36 ND 4,683 -- 390 2,850 406 100 38 7.0 950 5.05 0.76 NA NA 0.05 -- 640 0.2 830
<br /> 4/20/2011 7.39 ND 4,648 0.77 125 2,990 390 97 36 6.0 910 3.97 0.75 0.11 NA NO -- 680 0.1 850
<br /> 8/22/2011 7.36 ND 4,633 1.34 357 3,090 370 94 33 5.0 1,270 0.31 0.59 NA NA NO -- 690 ND 790
<br /> 10/31/2011 7.36 ND 4,911 7.75 307 2,990 373 95 33 4.0 1,050 0.27 0.81 NA NA NO -- 720 NO 850
<br /> 1/23/2012 7.34 NO 5,018 3,000 398 97 38 5.0 1,010 0.21 0.38 NA NA NO 790 NO 820
<br /> NO is"not detected".
<br /> NA is not analyzed".
<br /> "-"data not available.
<br /> City of Lathrop-MW5 City of Lathrop-NMI-5
<br /> Total Dissolved Solids NO,Nitrogen
<br /> 5,000 25
<br /> +Unfltered
<br /> 4,000 20
<br /> +Filtered
<br /> ? 3,000 5
<br /> E E
<br /> p 2,000 O 10
<br /> 1,000 5
<br /> 0 0
<br /> m 4 4 4 4 4 4 4 4 47 m$m m$9 4 4 4 4 4 4 4 4 4
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<br /> Date Date
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 167 of 281 EKI B90088.03
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