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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-26
<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 7.68 4 3,000 -- -- 2,000 NA 50 78 4.9 680 ND 0.15 0.181 0.0050 0.040 4.0 540 ND 470
<br /> 6/27/2005 7.63 ND 3,200 - - 1,900 NA 38 52 ND 510 0.21 0.04 ND ND ND 3.9 520 ND 460
<br /> 11/1/2005 7.46 4 3,207 0.15 95 1,900 390 44 68 2.9 580 NO 0.19 0.055 0.0075 0.0021 4.3 460 0.30 440
<br /> 2/6/2006 7.58 ND 3,126 0.56 88 1,900 370 41 64 8.9 600 ND 0.20 0.055 0.0076 ND 4.2 480 0.34 450
<br /> 5/1/2006 7.12 17 3,150 0.70 122 1,900 410 47 70 3.8 620 ND 0.21 0.059 0.0086 0.0021 3.9 450 0.28 440
<br /> 5/1/2006 7.12 ND 3,150 0.70 122 1,900 440 51 75 4.2 620 ND 0.21 0.059 0.0093 0.0022 3.9 450 0.29 430
<br /> 7/31/2006 7.12 NO 3,125 0.22 102 2,000 350 37 62 4.8 590 NO 0.22 0.060 0.0052 NO 4.0 480 0.26 450
<br /> 10/23/2006 7.08 ND 2,804 0.26 133 1,800 360 40 63 5.2 630 ND 0.089 0.055 0.0075 0.0027 3.8 460 0.37 450
<br /> 1/31/2007 7.58 NO 3,008 0.23 90 1,800 450 49 80 2.4 540 NO 0.25 0.047 0.0063 NO 3.8 460 0.26 440
<br /> 5/1/2007 7.45 ND 3,016 0.68 127 1,900 400 44 70 2.7 540 ND 0.21 0.057 0.0060 ND 4.3 480 0.28 460
<br /> 7/30/2007 7.27 NO 3,025 0.53 79 2,000 400 47 68 1.8 520 NO 0.19 0.049 0.0061 ND 3.9 470 0.32 450
<br /> 11/7/2007 7.30 ND 3,089 0.19 51 1,900 390 44 69 3.1 540 ND 0.23 0.058 0.0066 ND 3.9 470 0.36 440
<br /> 2/4/2008 7.40 NO 3,062 1.10 88 1,900 400 47 69 1.9 540 ND 0.15 0.050 0.0056 ND 3.8 470 0.35 450
<br /> 4/23/2008 7.54 ND 2,986 0.70 147 1,800 400 44 70 2.6 520 ND 0.14 0.060 0.0057 ND 3.8 510 0.34 450
<br /> 8/18/2008 7.5 NO 3,108 0.26 118 1,600 400 46 69 2.8 530 ND 0.17 NA NA NA 3.8 470 NA 420
<br /> 11/25/2008 7.46 ND 3,129 0.41 48 1,900 390 43 69 1.9 550 ND 0.24 NA NA NA 3.9 480 NA 420
<br /> 11/25/2008 7.46 NO 3,129 0.41 48 2,000 390 43 69 2.7 550 NO 0.25 NA NA NA 3.8 500 NA 430
<br /> 2/11/2009 7.50 ND 2,975 1.16 91 1,800 380 44 65 2.3 530 ND 0.16 NA NA NA 3.7 470 NA 430
<br /> 4/13/2009 7.54 7 3,106 0.71 120 1,900 380 42 67 1.6 590 ND 0.17 NA NA NA 3.5 480 NA 430
<br /> 7/28/2009 8.34 ND 3,060 0.40 35 1,880 370 43 64 2.0 599 0.06 0.24 NA NA NA 3.27 470 NA 460
<br /> 10/20/2009 8.00 ND 2,943 1.40 56 1,880 380 43 66 2.0 572 0.05 0.20 NA NA NA 3.35 470 NA 460
<br /> 10/20/2009 8.00 ND 2,943 1.40 56 1,920 370 42 64 2.0 571 0.05 0.20 NA NA NA 3.36 480 NA 470
<br /> 1/26/2010 8.61 ND 2,971 0.90 30 1,900 390 44 69 2.0 480 ND 0.20 NA NA NA 3.10 480 NA 450
<br /> 5/4/2010 7.54 2 2,498 1.62 75 1,880 390 43 70 2.0 556 ND 0.14 NA NA NA 2.96 470 NA 450
<br /> 8/24/2010 7.41 ND 2,939 0.54 99 1,860 420 57 67 2.0 596 0.06 0.07 NA NA NA 2.99 490 NA 460
<br /> 10/27/2010 7.50 ND 1,800 0.85 348 1,900 390 48 65 2.0 571 ND 0.13 NA NA NA 2.89 460 NA 440
<br /> 1/26/2011 7.47 ND 2,867 1.46 363 1,810 380 47 65 2.0 495 ND 0.13 NA NA NA 2.71 480 NA 460
<br /> 4/21/2011 7.44 ND 3,107 0.72 93 1,840 410 49 69 2.0 609 NO 0.05 NA NA NA 2.99 440 NA 430
<br /> 8/17/2011 7.35 ND 3,139 2.20 100 1,870 410 48 70 2.0 647 0.07 0.14 NA NA NA 3.07 460 NA 450
<br /> 10/26/2011 7.54 ND 3,190 0.48 330 1,860 420 53 70 2.0 478 0.07 0.13 NA NA NA 3.35 450 NA 460
<br /> 1/25/2012 7.41 ND 3,215 0.88 232 1,840 400 49 67 2.0 622 NO 0.12 NA NA NA 3.28 470 NA 460
<br /> 1/25/2012 7.41 ND 3,215 0.88 232 1,830 390 48 66 2.0 704 NO 0.13 NA NA NA 3.11 490 NA 470
<br /> 5/1/2012 7.43 ND 3,094 3.68 87 1,800 340 39 59 2.0 576 NO 0.15 NA NA NA 3.22 480 NA 460
<br /> 7/26/2012 7.60 ND 3,171 1.19 -30 1,870 390 48 66 2.0 663 NO 0.09 NA NA NA 3.12 460 NA 440
<br /> 10/24/2012 7.48 ND 2,944 0.87 121 1,730 340 44 57 3.0 661 NO 0.08 NA NA NA 2.44 370 NA 370
<br /> 1/30/2013 7.63 ND 2,838 0.97 185 1,850 370 43 64 2.0 612 NO 0.13 NA NA NA 2.72 460 NA 440
<br /> 4/29/2013 7.51 ND 2,865 0.94 225 1,670 370 48 60 2.0 623 NO 0.05 NA NA NA 2.31 420 NA 380
<br /> 7/31/2013 7.56 70 2,839 0.76 183 1,660 350 45 57 2.0 652 NO 0.06 NA NA NA 1.91 360 NA 350
<br /> 11/20/2013 147 ND 2,928 0.44 -116 1,750 360 44 61 2.0 599 ND 0.11 NA NA NA 2.22 430 NA 420
<br /> ND is"not detected".
<br /> NA is"not analyzed".
<br /> City of Lathrop-MWM-26 City of Lathrop-MWM-26
<br /> Total Dissolved Solids NOa+NOz Nitrogen
<br /> Well Well
<br /> 5,000 abandoned PO abandoned
<br /> 4,000 18
<br /> 3,000 E
<br /> E 0 10
<br /> 0 2,000twill IP
<br /> O
<br /> 1,000 z 5
<br /> 0 0
<br /> 0�,'4444 44R44���2V�-t�2�D -
<br /> Date I I I-,-,I I I -,'Date
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 103 of 281 EKI B90088.03
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