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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-21
<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 7.43 >1,600 3,000 -- - 2,300 NA 134 88 5.4 620 ND 1.09 0.222 ND 0.0272 2.6 640 ND 470
<br /> 6/27/2005 7.59 8 3,600 - 120 2,300 NA 120 71 ND 510 0.028 1.10 ND ND ND 2.8 630 ND 460
<br /> 11/1/2005 7.15 ND 3,784 0.08 108 2,300 630 120 76 3.2 610 ND 1.50 0.058 0.0068 ND 3.2 610 0.21 470
<br /> 11/1/2005 7.15 2 3,784 0.08 108 2,200 630 130 77 3.0 610 ND 1.50 0.058 0.0070 ND 3.3 610 0.20 470
<br /> 2/6/2006 7.25 ND 3,998 0.12 128 2,400 650 130 80 10 620 ND 1.10 0.062 0.0076 ND 4.6 670 0.17 510
<br /> 5/1/2006 6.94 ND 3,816 0.07 116 2,300 730 150 87 5.4 610 ND 1.5 0.061 0.0098 0.0022 3.4 610 0.17 480
<br /> 8/1/2006 6.83 30 4,013 0.18 81 2,600 840 170 97 5.4 660 NO 1.8 0.072 0.0040 ND 4.8 690 0.17 590
<br /> 10/24/2006 7.05 240 3,748 0.25 96 2,300 700 140 84 4.8 600 ND 1.1 0.067 0.0069 0.0042 3.9 620 0.29 520
<br /> 1/31/2007 7.53 ND 4,010 0.17 118 2,300 780 160 94 3.1 630 ND 0.88 0.056 0.0031 ND 4.0 670 0.17 570
<br /> 1/31/2007 7.53 ND 4,010 0.17 118 2,400 790 160 96 3.2 620 ND 0.76 0.055 0.0032 ND 4.0 670 0.17 560
<br /> 5/1/2007 7.18 ND 4,104 0.11 128 1,900 800 170 93 3.9 600 ND 1.4 0.062 0.0041 ND 4.8 680 0.17 620
<br /> 7/30/2007 7.19 ND 3,899 0.86 60 2,900 790 170 88 2.7 570 ND 1.8 0.065 0.0041 ND 4.5 670 0.21 610
<br /> 11/7/2007 7.30 4 3,775 0.09 83 2,400 730 150 83 4.7 580 NO 1.7 0.069 0.0030 NO 3.6 610 0.24 520
<br /> 2/4/2008 7.20 ND 3,696 0.60 69 2,300 720 150 82 2.6 570 ND 1.3 0.066 0.0044 ND 3.6 610 0.26 530
<br /> 4/23/2008 7.27 NO 3,592 0.45 127 2,200 730 150 85 3.2 540 NO 1.4 0.064 0.0037 ND 3.6 660 0.23 530
<br /> 8/18/2008 7.26 ND 3,813 0.19 72 1,800 700 150 80 3.2 560 ND 1.5 NA NA NA 3.6 620 NA 510
<br /> 11/20/2008 7.25 NO 3,760 0.28 93 2,300 670 140 78 2.7 580 NO 1.7 NA NA NA 3.5 600 NA 490
<br /> 2/11/2009 7.10 ND 3,765 0.36 83 1,800 700 150 80 3.7 580 ND 1.6 NA NA NA 3.5 600 NA 500
<br /> 4/13/2009 7.28 ND 3,737 0.36 125 2,400 720 150 83 2.4 590 NO 1.6 NA NA NA 3.0 580 NA Soo
<br /> 7/28/2009 8.20 ND 3,371 0.41 38 2,140 620 135 68 3.0 587 0.07 1.5 NA NA NA 2.31 500 NA 460
<br /> 7/28/2009 8.20 ND 3,371 0.41 38 2,130 620 137 68 3.0 596 0.09 1.5 NA NA NA 2.22 520 NA 470
<br /> 10/20/2009 7.80 ND 3,292 0.60 67 2,150 570 124 64 3.0 619 0.07 1.3 NA NA NA 1.85 500 NA 450
<br /> 1/26/2010 8.37 4 3,247 0.68 32 2,060 550 117 63 2.0 491 ND 1.0 NA NA NA 1.32 460 NA 410
<br /> 5/4/2010 7.34 ND 2,986 0.28 112 2,140 550 119 fit 3.0 559 NO 0.95 NA NA NA 1.52 490 NA 420
<br /> 5/4/2010 7.34 ND 2,986 0.28 112 2,160 520 112 58 3.0 556 NO 0.85 NA NA NA 1.49 480 NA 420
<br /> 8/24/2010 7.17 ND 3,066 0.19 107 2,020 480 107 53 3.0 591 0.06 1.0 NA NA NA 1.46 460 NA 400
<br /> 10/26/2010 7.25 ND 3,320 2.92 352 2,050 460 103 49 3.0 601 0.07 0.99 NA NA NA 1.40 450 NA 400
<br /> 1/26/2011 7.29 ND 3,038 0.35 227 1,920 490 108 53 2.0 492 NO 0.90 NA NA NA 1.42 400 NA 360
<br /> 1/26/2011 7.29 ND 3,038 0.35 227 1,990 490 108 54 2.0 492 NO 0.92 NA NA NA 1.43 410 NA 360
<br /> 4/21/2011 7.24 ND 3,242 0.20 89 1,960 530 117 58 3.0 581 NO 0.98 NA NA NA 1.56 460 NA 440
<br /> 8/17/2011 7.14 ND 3,178 1.94 94 1,990 540 119 60 3.0 618 0.07 1.2 NA NA NA 1.51 430 NA 380
<br /> 10/26/2011 7.31 ND 3,205 0.10 327 2,060 500 112 54 3.0 520 0.06 1.1 NA NA NA 1.74 440 NA 440
<br /> 1/24/2012 7.22 4 2,992 0.92 198 1,810 430 96 47 2.0 667 NO 0.70 NA NA NA 1.22 380 NA 340
<br /> 5/1/2012 7.28 ND 3,040 3.01 91 1,830 440 97 47 2.0 618 NO 1.1 NA NA NA 1.13 390 NA 350
<br /> 7/26/2012 7.41 ND 3,209 1.34 -2 1,920 410 90 45 3.0 602 NO 0.75 NA NA NA 1.01 340 NA 290
<br /> 10/24/2012 7.31 ND 3,176 0.24 129 1,940 400 89 43 3.0 619 NO 0.75 NA NA NA 1.13 370 NA 340
<br /> 1/30/2013 7.47 ND 3,089 0.36 143 1,910 430 97 45 3.0 612 NO 0.68 NA NA NA 1.12 420 NA 370
<br /> 4/29/2013 7.35 ND 2,9408 0.20 237 1,770 400 91 43 2.0 769' ND 0.66 NA NA NA 1.04 390 NA 330
<br /> 8/1/2013 148 NO 2,830 0.31 143 1,800 370 83 40 2.0 673 ND 0.65 NA NA NA 1.06 380 NA 350
<br /> ND is"not detected''
<br /> NA is"not analyzed'..
<br /> denotes average of lab reported values.
<br /> City of Lathrop-MWM-21 City of Lathrop-MWM-21
<br /> Total Dissolved Solids NOs+NOz Nitrogen
<br /> 5,000 25
<br /> 4,000 20
<br /> J
<br /> 3,000 E 15
<br /> E o
<br /> c 2,000 z 70
<br /> O
<br /> 1,000 z 5
<br /> 0 0
<br /> oho
<br /> Date Date
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 83 of 281 EKI B90088.03
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