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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-6
<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) TUS(mg/L) mess (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 66 NO -- -- -- NA 370 98 31 9.5 66 0.01 0.75 NA NA -- -- 91 -- 210
<br /> 1/24/2003 7.0 NO -- -- -- NA 610 180 40 5.0 78 NO 0.72 NA NA -- -- 90 -- 620
<br /> 4/16/2003 6.64 NO -- -- -- NA 540 150 40 4.0 62 NO 0.69 NA NA -- -- 61 -- 375
<br /> 9/24/2003 63 NO -- -- -- 1,010 470 122 41 8.0 75 NO 0.78 NO NA -- -- 85 -- 385
<br /> 12/17/2003 6.2 -- NA - - 2190 890 225 80 5 351 ND 4.55 0.03 NA -- -- 380 -- NA
<br /> 2/23/2004 6.58 -- 1,678 - - 1,020 480 125 41 11 75 0.39 0.67 0.009 NA -- -- 82 -- NA
<br /> 4/19/2004 6.45 -- 1,676 - - 850 340 82 33 13 76 ND 0.5 0.007 NA -- -- 83 -- 305
<br /> 7/21/2004 6.64 -- 1,477 - - 840 370 81 40 12 81 ND 0.6 0.0069 NA -- -- 108 -- NA
<br /> 12/1/2004 6.42 -- 1,857 - - 1,220 630 172 48 8 90 ND 0.73 0.0037 NA -- -- 89 -- NA
<br /> 1/25/2005 6.6 ND NA - - 1,210 NA NA NA NA 87 0.13 1.13 NA NA -- -- 78 -- NA
<br /> 4/21/2005 6.20 ND 2.200 - - 1,590 810 210 70 8.0 95 NO 1.43 0.005 NA -- -- 66 -- 680
<br /> 8/18/2005 6.66 -- 2,420 - - 1,330 NA NA NA NA 145 0.22 0.81 NA NA -- -- 383 -- NA
<br /> 11/4/2005 7.2 -- 2,050 - - 1,470 NA NA NA NA 126 ND 0.77 NA NA -- -- 140 -- NA
<br /> 1/26/2006 6.8 ND 2,050 - - 1,390 NA NA NA NA 91 ND 0.74 NA NA -- -- 129 -- NA
<br /> 5/1/2006 7.0 ND 1,665 - - 1,080 520 127 49 13 93 ND 0.66 0.0077 NA -- -- 105 -- 421
<br /> 8/15/2006 7.0 ND 2,460 - - 1,550 NA NA NA NA 155 0.16 0.80 NA NA -- -- 500 -- NA
<br /> 10/23/2006 7.0 ND 11,880 - - 1,120 NA NA NA NA 109 0.1 0.61 NA NA -- -- 232 -- NA
<br /> 1/30/2007 7.0 ND ,750 - - 1,140 NA NA NA NA 96 0.13 0.65 NA NA -- -- 107 -- NA
<br /> 4/30/2007 6.93 5.1 11,600 - - 1,000 450 99 48 16 95 0.09 0.54 0.015 NA -- -- 92 -- 400
<br /> 8/2/2007 6.89 NO ,600 - - 980 NA NA NA NA 83 0.21 0.52 NA NA -- -- 93 -- NA
<br /> 12/3/2007 6.96 6.9 1,440 - - 980 NA NA NA NA 82 0.08 0.51 NA NA -- -- 98 -- NA
<br /> 2/18/2008 6.77 NID 1,240 - - 880 NA NA NA NA 87 0.07 0.52 NA NA -- -- 92 -- NA
<br /> 4/16/2008 7.01 ND 1,350 - - 890 390 88 42 12 82 0.16 0.49 0.011 NA -- -- 102 -- 310
<br /> 7/15/2008 6.70 ND 1,360 - - 950 NA NA NA NA 85 0.11 0.54 NA NA -- -- 113 -- NA
<br /> 10/20/2008 6.91 ND 1,384 - - 790 NA NA NA NA 85 0.06 0.42 NA NA -- -- 103 -- NA
<br /> 1/12/2009 6.83 ND 1,190 - - 750 NA NA NA NA 77 0.15 0.40 NA NA -- -- 114 -- NA
<br /> 4/20/2009 6.78 ND 1,254 - - 760 330 74 35 12 82 ND 0.39 0.011 NA -- -- 116 -- 192
<br /> 7/27/2009 6.53 NID 1,300 - - 710 NA NA NA NA 82 0.08 0.39 NA NA -- -- 122 -- NA
<br /> 10/26/2009 6.86 ND 1,242 - - 680 320 72 33 11 79 ND 0.35 NA NA ND -- 120 0.2 160
<br /> 2/4/2010 6.85 ND 1,221 - - 770 350 90 31 9.0 74 ND 0.35 NA NA ND -- 117 ND 195
<br /> 5/3/2010 6.77 ND 1,218 - - 700 320 73 33 11 80 0.06 0.35 0.0092 NA ND -- 123 ND 154
<br /> 8/3/2010 6.70 ND 1,281 - - 740 360 83 36 11 84 ND 0.38 NA NA NID -- 125 0.1 177
<br /> 10/14/2010 6.78 ND 1,252 - - 2,560 978 227 100 8 515 0.12 1.09 NA NA ND -- 160 ND 950
<br /> 3/3/2011 6.77 NID 1,398 - 384 760 344 85 32 11 77 ND 0.34 NA NA NID -- 128 0.1 205
<br /> 4/20/2011 6.78 ND 1,347 0.08 121 740 327 75 34 11 80 ND 0.34 0.01 NA ND -- 128 0.1 169
<br /> 8/22/2011 6.71 NO 1,904 0.08 419 1,100 610 157 53 13 142 0.09 0.51 NA NA NO -- 238 ND 310
<br /> 10/31/2011 6.73 ND 1,487 0.12 292 770 378 87 39 11 83 ND 0.37 NA NA ND 124 ND 216
<br /> NO is"n"not detected".
<br /> NA is ot analyzed".
<br /> -"data not available.
<br /> City of Lathrop-KMW-6 City of Lathrop-KMW-6
<br /> Total Dissolved Solid. NO3 Nitrogen
<br /> 5,000 140
<br /> �Unfltered
<br /> 4,000 20
<br /> 100 +Filtered
<br /> 3,000
<br /> 80
<br /> E E
<br /> p 2,000 i 60
<br /> 40
<br /> 1,000
<br /> 20
<br /> 0 1 0
<br /> Date 'Date
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 143 of 281 EKI B90088.03
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