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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 /> MWM-17
<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 8.22 170 3,600 - - 2,400 NA 23 16 8.7 1,070 ND 0.050 0.20 ND 0.042 1.2 530 NO 380
<br /> 6/27/2005 7.89 NA 4,200 - - 2,500 NA 28 16 ND 940 4.3 0.45 0.28 ND ND ND 460 ND 480
<br /> 11/2/2005 7.52 140 4,729 1.70 54 2,900 100 23 15 4.9 1,100 NO 0.018 0.025 0.0029 ND 1.0 420 0.53 510
<br /> 2/7/2006 7.51 2 4,407 2.70 30 2,900 120 23 15 15 1,100 ND 0.003 0.026 0.0033 ND 1.0 400 0.56 480
<br /> 5/2/2006 7.15 11 4,625 1.73 116 2,900 120 23 16 7.7 1,200 ND 0.0088 0.026 0.0053 ND 0.97 390 0.55 490
<br /> 8/1/2006 7.23 3,000 2,850 0.25 133 1,900 75 15 9.1 4.1 750 ND 0.017 0.025 0.0014 ND 0.68 210 0.99 250
<br /> 10/23/2006 7.52 23 2,867 1.12 60 1,800 55 11 6.6 5.6 760 NO 0.007 0.015 0.0024 ND 0.68 180 1.2 220
<br /> 2/1/2007 8.38 ND 3,321 1.33 72 2,000 64 13 7.8 2.7 800 ND 0.0054 0.016 0.0021 ND 0.84 210 0.69 250
<br /> 2/1/2007 8.38 ND 3,321 1.33 72 1,900 66 13 8.1 3.1 800 ND 0.0049 0.016 0.0020 ND 0.88 220 0.68 430
<br /> 5/3/2007 7.66 ND 3,475 1.92 114 2,100 67 13 8.3 3.4 780 ND 0.0098 0.022 0.0012 ND 0.93 210 0.78 260
<br /> 5/3/2007 7.66 11 3,475 1.92 114 2,200 68 13 8.4 3.3 780 NO 0.014 0.023 0.0012 ND 0.92 210 0.78 270
<br /> 7/31/2007 7.71 >1,600 1,630 2.50 68 1,300 53 12 5.6 2.0 410 ND 0.0036 0.015 0.0029 0.14 0.36 99 1.1 96
<br /> 11/8/2007 7.70 ND 2,887 1.09 59 1,900 53 11 6.2 4.1 690 ND 0.012 0.020 0.0015 0.015 0.69 160 0.91 180
<br /> 11/8/2007 7.70 ND 2,887 1.09 59 2,000 54 11 6.2 4.0 640 ND 0.014 0.020 0.0015 0.016 0.69 160 0.92 180
<br /> 2/4/2008 7.50 2 2,506 0.22 133 1,600 55 11 6.7 1.2 620 ND 0.0066 0.018 0.0011 0.0086 0.55 130 0.92 130
<br /> 4/22/2008 7.60 23 2,821 0.24 258 1,700 67 13 8.3 2.5 700 ND 0.0076 0.032 0.0015 0.0065 0.81 210 0.67 230
<br /> 8/19/2008 7.58 220 2,301 0.36 146 1,500 NA 9.9 6.0 2.1 580 ND 0.0099 NA NA NA 0.56 150 NA 150
<br /> 8/19/2008 7.58 350 2,301 0.36 146 1,400 48 9.7 5.7 1.5 570 ND 0.0077 NA NA NA 0.56 150 NA 140
<br /> 11/20/2008 7.53 ND 3,343 0.64 106 4,300 76 15 9.4 1.9 830 ND 0.014 NA NA NA 1.0 250 NA 260
<br /> 2/17/2009 7.40 21 3,246 0.96 73 2,000 100 19 12 1.9 740 NO 0.028 NA NA NA 0.93 240 NA 250
<br /> 4/14/2009 7.29 500 3,847 0.22 139 2,500 140 27 18 2.0 940 NO 0.042 NA NA NA 1.1 300 NA 310
<br /> 7/30/2009 7.98 >1,600 3,010 0.41 160 1,990 90 18 12 2.0 801 NO 0.040 NA NA NA 0.60 240 NA 250
<br /> 10/21/2009 7.50 300 2,455 0.50 55 1,540 70 15 8 1.0 616 NO 0.04 NA NA NA 0.32 160 NA 140
<br /> 1/27/2010 8.99 11 2,855 1.09 34 1,880 100 21 12 2.0 553 NO 0.02 NA NA NA 0.36 200 NA 188
<br /> 5/6/2010 7.34 4 4,345 0.20 190 2,590 160 31 21 1.7 764 NO 0.08 NA NA NA 0.58 320 NA 330
<br /> 8/25/2010 7.21 11 4,178 1.54 326 2,950 140 28 17 3.0 1,140 NO 0.05 NA NA NA 0.78 390 NA 410
<br /> 10/28/2010 7.27 900 3,630 0.99 84 2,350 140 30 16 3.0 1,360 NO 0.03 NA NA NA 0.55 290 NA 280
<br /> 1/27/2011 7.35 8 4,013 1.31 265 2,560 150 30 19 2.0 760 ND 0.06 NA NA NA 0.71 360 NA 340
<br /> 4/26/2011 7.16 4 4,223 0.39 392 2,670 180 35 22 2.0 1,020 NO 0.06 NA NA NA 0.77 360 NA 360
<br /> 8/19/2011 7.22 170 4,104 2.87 41 2,670 170 34 20 3.0 1,010 0.05 0.04 NA NA NA 0.85 350 NA 350
<br /> 10/26/2011 7.30 240 4,079 0.10 338 2,610 170 34 20 3.0 770 0.06 0.07 NA NA NA 0.83 322 NA 320
<br /> 1/24/2012 7.16 ND 4,429 0.23 203 2,850 180 35 22 3.0 1,350 ND 0.07 NA NA NA 0.86 390 NA 390
<br /> 5/1/2012 7.20 NO 4,322 2.79 159 2,740 160 32 19 2.0 1,030 NO 0.04 NA NA NA 0.73 380 NA 370
<br /> 7/27/2012 7.29 240 4,027 1.38 -27 2,520 140 29 17 3.0 1,070 NO 0.04 NA NA NA 0.67 320 NA 290
<br /> 7/27/2012 7.29 NA 4,027 1.38 -27 2,570 140 28 17 3.0 1,000 NO 0.04 NA NA NA 0.60 340 NA 310
<br /> 10/24/2012 7.35 2 4,192 3.23 125 2,630 110 23 14 3.0 1,050 ND 0.04 NA NA NA 0.66 330 NA 310
<br /> 1/30/2013 7.36 2 4,016 0.19 152 2,550 1301 26 16 3.0 1,100 ND 0.04 NA NA NA 0.68 320 NA 300
<br /> 4,2912013 7.31 ND 4,123 0.41 227 2,570 140 28 17 2.0 1,495" ND 0.05 NA NA NA 0.70 330 NA 300
<br /> NO is"not detected".
<br /> NA is"not analyzed".
<br /> "denotes average of lab reported values.
<br /> City of Lathrop-MWM-17 City of Lathrop-MWM-17
<br /> Total Dissolved Solids NOs+NOz Nitrogen
<br /> 5,000 20
<br /> 4,000
<br /> 15
<br /> 3,000 E
<br /> E 10
<br /> �2,000 i
<br /> H
<br /> 1,000 5
<br /> 0 0�0 0rn`S,rn
<br /> A I I I-,-,I-,»"'Date -,A-,I�-,�A �
<br /> �-,-, -, Date
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 69 of 281 EKI B90088.03
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