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Appendix C-Historical Water Quality City of Lathrop
<br /> Consolidated Treatment Facility
<br /> Monitoring and Reporting Program R5-2016-0028-03 Rev3
<br /> MWM-9
<br /> Total
<br /> Data Coliform EC DO ORP Hard- Calcium Magnesium Potassium Sodium Manganese Barium Nickel Bromide Chloride Fluoride Sulfate
<br /> Sampled PH Bact1eria 00 (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 /> mg/)
<br /> mL
<br /> 5/24/2005 7.44 >1,600 1,100 -- - 790 NA 87 35 7.1 165 ND 0.83 0.28 ND 0.0326 ND 210 NO 58
<br /> 6/27/2005 7.20 NA 1,200 - - 750 NA 92 32 ND 110 0.078 1.20 0.33 ND ND ND 160 ND 60
<br /> 11/3/2005 6.80 4 3,098 0.07 20 1,900 890 220 94 3.7 280 0.064 4.50 0.49 0.009 0.0091 2.1 750 0.26 160
<br /> 2/10/2006 6.89 ND 3,288 0.22 30 2,200 1,100 240 100 5.0 290 0.036 4.30 0.44 0.012 0.0063 2.1 770 0.29 190
<br /> 5/4/2006 6.61 900 2,960 0.32 71 1,600 840 200 83 4.8 320 0.021 3.70 0.39 0.013 0.0087 1.8 570 0.28 180
<br /> 8/2/2006 6.62 230 1,246 0.08 54 750 300 73 29 1.9 170 ND 1.20 0.13 0.0012 0.0026 0.57 140 0.31 64
<br /> 10/27/2006 6.74 36 2,328 0.06 78 1,800 620 150 61 4.3 280 ND 1.90 0.39 0.0027 0.0053 1.5 460 0.36 130
<br /> 1/30/2007 6.68 ND 3,020 0.20 37 1,800 860 200 85 4.5 200 0.34 3.80 0.39 0.0012 ND 1.8 720 0.24 160
<br /> 5/3/2007 6.88 ND 3,008 0.32 -6 1,700 860 210 83 4.8 330 ND 3.90 0.37 0.0013 ND 2.1 750 0.26 200
<br /> 7/31/2007 6.86 23 3,159 0.90 -133 2,100 820 200 77 3.7 310 ND 3.70 0.39 0.0016 ND 1.9 740 0.28 190
<br /> 11/7/2007 6.70 30 3,533 0.16 -48 2,400 930 220 89 5.7 360 0.023 4.00 0.35 0.0016 ND 2.2 800 0.22 200
<br /> 11/7/2007 6.70 50 3,533 0.16 -48 2,300 920 220 88 5.5 350 0.024 4.10 0.32 0.0016 ND 2.2 810 0.22 210
<br /> 2/5/2008 7.00 ND 2,649 0.19 47 1,700 690 170 66 3.2 310 NO 2.5 0.30 0.0035 0.0062 1.6 540 0.31 190
<br /> 4/22/2008 6.97 ND 1,757 0.19 121 970 410 98 40 2.7 220 ND 1.3 0.21 0.0019 0.0051 0.85 240 0.37 100
<br /> 8/19/2008 6.96 ND 1,768 0.17 68 950 450 110 42 3.3 210 ND 1.6 NA NA NA 0.88 280 NA 100
<br /> 11/25/2008 6.97 NA 1,537 0.15 46 880 370 89 36 3.3 190 ND 1.5 NA NA NA 0.75 230 NA 80
<br /> 2/18/2009 7.00 NA 1,149 0.28 75 620 260 64 25 1.9 130 ND 0.72 NA NA NA 0.49 130 NA 61
<br /> 4/14/2009 7.06 8 1,033 0.09 100 670 260 63 24 1.8 140 ND 0.55 NA NA NA 0.44 110 NA 56
<br /> 8/3/2009 7.06 ND 1,095 0.26 8 550 230 59 21 2.0 137 ND 0.70 NA NA NA 0.25 100 NA 46
<br /> 10/26/2009 7.00 2 1,790 0.60 80 1,060 440 109 41 3.0 234 ND 1.4 NA NA NA 0.82 339 NA 111
<br /> 1/27/2010 8.75 ND 1,209 0.38 30 869 290 73 26 2.0 133 ND 0.96 NA NA NA 0.51 248 NA 87
<br /> 4/21/2010 6.89 7 1,031 0.29 226 590 220 55 19 2.0 143 ND 0.63 NA NA NA 0.27 118 NA 52
<br /> 8/24/2010 7.00 ND 840 0.20 143 520 160 41 15 2.0 141 ND 0.45 NA NA NA 0.18 71 NA 49
<br /> 8/24/2010 7.00 ND 840 0.20 143 500 160 40 15 2.0 135 ND 0.42 NA NA NA 0.17 70 NA 49
<br /> 10/20/2010 7.15 NO 897 0.72 278 520 170 40 16 2.0 173 ND 0.60 NA NA NA 0.20 73 NA 52
<br /> 1/24/2011 7.16 ND 904 0.18 243 550 170 43 16 2.0 146 NO 0.59 NA NA NA 0.22 79 NA 52
<br /> 4/21/2011 7.17 7 668 0.14 85 440 120 28 11 2.0 128 NO 0.34 NA NA NA 0.15 37 NA 43
<br /> 8/18/2011 7.02 ND 631 1.24 410 420 100 25 10 1.0 131 NO 0.44 NA NA NA 0.15 30 NA 42
<br /> 10/28/2011 7.22 ND 751 0.10 424 430 120 29 11 2.0 129 ND 0.51 NA NA NA 0.16 29 NA 41
<br /> 1/24/2012 7.22 ND 664 0.15 92 420 120 29 11 2.0 137 ND 0.45 NA NA NA 0.16 27 NA 37
<br /> 5/3/2012 6.99 NO 792 4.39 76 450 190 45 18 2.0 122 NO 0.34 NA NA NA 0.17 38 NA 46
<br /> 7/31/2012 7.04 ND 1,036 1.24 -24 610 260 fit 26 2.0 126 NO 1.14 NA NA NA 0.35 85 NA 61
<br /> 10/25/2012 7.00 ND 998 0.48 26 560 260 62 25 2.0 117 ND 1.25 NA NA NA 0.29 78 NA 63
<br /> 1/31/2013 7.11 ND 629 0.09 65 360 200 47 19 1.0 58 ND 0.61 NA NA NA 0.08 23 NA 37
<br /> 5/1/2013 7.21 NO 499 0.25 279 270 200 47 19 2.0 35 NO 0.69 NA NA NA 0.04 10 NA 20
<br /> 8/2/2013 7.06 49 625 0.30 86 400 250 60 25 1.0 34 ND 1.03 NA NA NA 0.14 33 NA 26
<br /> 11/21/2013 7.04 ND 1,093 0.15 78 600 400 97 39 2.0 69 ND 1.66 NA NA NA 0.30 110 NA 56
<br /> 25204 7. ND 1,4 17 1020 9700 560 133 3.00 0.13 224 NA NA NA 0 222 NA 75
<br /> / NID1 .9 1 19 0 N 0 6.8424/2014 687 721 0 2 92 70 57 9 7 2.74 NA A NA 0. 27 NA 7 ND is"not detected'.
<br /> NA is"not analyzed'.
<br /> City of Lathrop-MWM-9 City of Lathrop-MWM-9
<br /> Total Dissolved Solids NOa Nitrogen
<br /> 5,000 20
<br /> 4,000
<br /> �15
<br /> 3,000 E
<br /> E o 10
<br /> 0 2,000 i
<br /> 5
<br /> 1,000 it
<br /> 0 .444 . .4� .. . MIw 0 °i4444 44444�
<br /> .Date .����� -----,-,Date -,-,-,-,-,-, -,-,-,...
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 39 of 281 EKI B90088.03
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