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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-19
<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 /> 5/26/2005 7.89 34 5,200 -- - 3,900 NA 59 66 NO 1,340 ND 0.12 0.325 ND 0.0187 4.7 1,300 NO 500
<br /> 6/27/2005 8.13 13 5,700 - - 3,600 NA 49 58 6.0 970 0.05 ND 0.22 ND ND 4.5 1,100 ND 450
<br /> 11/3/2005 7.93 50 6,380 5.25 94 3,600 280 34 51 5.0 1,300 ND 0.14 0.16 0.010 0.004 4.8 1,300 0.20 470
<br /> 2/6/2006 8.11 2 2,905 0.21 44 1,800 86 10 15 9.7 640 ND 0.023 0.046 0.0043 ND 1.5 350 0.63 180
<br /> 5/1/2006 8.03 ND 1,228 0.49 55 720 27 3.9 4.2 0.63 300 ND 0.0071 0.016 0.0025 ND 0.36 86 0.85 61
<br /> 7/31/2006 8.00 ND 1,525 2.08 92 1,000 30 3.7 5.0 2.7 370 ND 0.015 0.025 0.0021 ND 0.56 150 0.76 100
<br /> 10/23/2006 8.03 23 2,192 1.24 108 1,500 59 6.9 10 4.3 560 NO 0.020 0.050 0.0036 0.0025 1.1 280 0.41 150
<br /> 1/31/2007 8.39 ND 2,835 2.99 89 1,700 91 11 16 2.6 630 ND 0.028 0.069 0.0027 ND 1.4 440 0.48 210
<br /> 5/1/2007 8.20 ND 2,733 1.02 124 1,400 77 9 13 2.6 570 NO 0.019 0.064 0.0025 ND 1.6 400 0.45 200
<br /> 7/31/2007 8.12 ND 3,272 2.40 47 2,200 100 12 17 1.9 680 ND 0.032 0.088 0.0032 ND 2.0 560 0.49 240
<br /> 7/31/2007 8.12 4 3,272 2.40 47 2,400 110 13 19 2.0 750 ND 0.039 0.097 0.0027 ND 2.2 590 0.47 250
<br /> 11/7/2007 8.00 8 3,426 0.95 -47 1,800 100 12 18 4.8 720 ND 0.044 0.11 0.0036 ND 2.0 490 0.57 210
<br /> 2/4/2008 8.00 50 3,752 1.10 43 2,500 150 18 26 2.5 880 NO 0.050 0.13 0.0031 0,0041 2.5 680 0.42 300
<br /> 4/22/2008 8.05 ND 4,204 0.52 56 2,500 160 18 28 3.2 840 NO 0.040 0.14 0.0031 0.0041 2.9 820 0.39 330
<br /> 4/22/2008 8.05 ND 4,204 0.52 56 2,400 160 18 28 3.8 840 NO 0.041 0.14 0,0031 0,0040 2.8 790 0.39 330
<br /> 8/19/2008 7.99 8 4,006 0.39 139 2,300 160 18 27 2.6 840 NO 0.052 NA NA NA 2.9 730 NA 310
<br /> 11/20/2008 8.0 2 4,200 2.01 61 2,400 160 18 27 2.9 880 NO 0.075 NA NA NA 2.9 710 NA 280
<br /> 2/11/2009 7.90 ND 4,354 0.74 75 2,200 170 19 29 3.8 900 NO 0.056 NA NA NA 2.9 760 NA 300
<br /> 2/11/2009 7.90 ND 4,354 0.74 75 2,300 170 19 29 4.9 900 NO 0.054 NA NA NA 2.7 700 NA 290
<br /> 4/13/2009 8.04 4 4,041 1.24 127 2,500 170 19 29 2.2 1,100 0.012 0.042 NA NA NA 2.9 800 NA 330
<br /> 4/13/2009 8.04 ND 4,041 1.24 127 2,600 170 19 30 2.5 930 0.014 0.043 NA NA NA 2.9 810 NA 320
<br /> 7/30/2009 7.97 ND 4,260 0.29 -1 2,690 160 19 28 3.0 930 ND 0.050 NA NA NA 2.59 770 NA 340
<br /> 10/21/2009 7.90 4 4,567 1.40 59 2,860 190 22 33 3.0 957 ND 0.08 NA NA NA 2.37 850 NA 350
<br /> 10/21/2009 7.90 4 4,567 1.40 59 2,830 190 22 33 3.0 1,030 ND 0.08 NA NA NA 2.40 850 NA 350
<br /> 1/26/2010 8.94 8 4,913 1.61 30 2,960 210 24 37 2.0 723 ND 0.06 NA NA NA 2.47 960 NA 360
<br /> 1/26/2010 8.94 2 4,913 1.61 30 3,010 220 25 38 3.0 745 ND 0.07 NA NA NA 2.60 970 NA 370
<br /> 5/6/2010 7.86 ND 4,713 2.28 65 2,850 220 27 38 3.0 946 ND 0.03 NA NA NA 2.35 860 NA 340
<br /> 8/24/2010 7.96 4 4,237 1.36 85 2,720 210 26 36 3.0 1,020 0.05 0.06 NA NA NA 2.38 860 NA 340
<br /> 10/28/2010 7.76 2 5,260 1.24 90 3,250 210 25 35 4.0 1,240 0.05 0.09 NA NA NA 2.53 1020 NA 400
<br /> 1/27/2011 7.87 ND 4,476 5.85 263 2,700 210 26 35 2.0 759 ND 0.05 NA NA NA 2.66 820 NA 340
<br /> 4/26/2011 7.82 4 4,807 1.73 294 2,950 210 24 36 3.0 1,150 ND 0.05 NA NA NA 2.95 960 NA 390
<br /> 8/17/2011 7.80 50 4,529 5.90 81 2,640 200 24 34 3.0 1,090 0.05 0.05 NA NA NA 2.42 790 NA 330
<br /> 10/26/2011 7.92 ND 4,861 3.10 317 2,760 220 27 37 4.0 797 0.06 0.07 NA NA NA 2.86 800 NA 340
<br /> 1/25/2012 7.85 ND 4,654 2.68 232 2,750 200 24 34 3.0 1,100 ND 0.05 NA NA NA 2.94 870 NA 350
<br /> 1/25/2012 7.85 ND 4,654 2.68 232 2,740 200 24 34 3.0 1,160 NO 0.05 NA NA NA 2.79 890 NA 370
<br /> 5/3/2012 7.82 ND 4,411 7.97 92 2,690 180 22 31 3.0 1,110 ND 0.03 NA NA NA 2.60 810 NA 330
<br /> 7/27/2012 8.01 13 4,616 4.96 -41 2,870 180 21 32 3.0 1,220 ND 0.05 NA NA NA 2.79 900 NA 350
<br /> 10/25/2012 7.97 2 4,828 1.08 42 2,890 190 22 32 3.0 1,070 ND 0.06 NA NA NA 2.64 810 NA 340
<br /> NO is"not detected".
<br /> NA is"not analyzed".
<br /> Lab results from 10/23/06 sample were switched with another sample.The correct results are listed here.
<br /> City of Lathrop-MWM-19 City of Lathrop-MWM-19
<br /> Total Dissolved Solids NOs Nitrogen
<br /> 5,000 20
<br /> 4,000
<br /> �15
<br /> 3,000 E
<br /> E O 10
<br /> 0 2,000 z
<br /> 1,000 z 5
<br /> 0 0
<br /> Date 'Date � A AA AA A A A AA A
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 75 of 281 EKI B90088.03
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