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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 /> MWR-3
<br /> Total
<br /> Date Coliform EC DO ORP Hard- Calcium Magnesium Potassium Sodium Manganese Barium Nickel Bromide Chloride Fluoride Sulfate
<br /> Sampled pH Bacteria (uS/cm) (mg/L) (mV) TDS(mg/L) mess (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 /> (per 100 (mg/L)
<br /> mL
<br /> 1/25/1999 5.80 NA 7,630 - - 5,860 2,720 555 323 5.16 701 29.6 12 NO 0.244 0.0656 NA 2,080 NO 1,180
<br /> 4/13/1999 5.90 NA 5,630 - - 3,560 1,830 376 216 NO 462 0.109 7.55 NA NA NA NA 1,380 NA 738
<br /> 7/1/1999 5.94 NA 4,340 - - NA NA NA NA NA NA NA NA NA 0.095 0.026 NA 1,090 NA NA
<br /> 10/1/1999 5.64 NA 6,000 - -- NA NA NA NA NA NA NA NA NA 0.225 0.069 NA 1,700 NA NA
<br /> 1/1/2000 6.21 NA 2,470 -- -- NA NA NA NA NA NA NA NA 0.144 0.11 0.109 NA 523 NA NA
<br /> 5/21/2001 NA NA NA -- -- NA NA NA NA NA NA NA NA 0.0245 0.112 0.021 NA NA NA NA
<br /> 5/29/2001 NA NA NA - - NA NA NA NA NA NA NA NA 0.043 0.0309 0.0103 NA NA NA NA
<br /> 9/27/2004 NA NA NA - - NA NA 0.046 123 2.7 444 1.61 3.1 0.0459 NA 0,066 NA NA NA NA
<br /> 2/25/2005 5.80 NA 6,800 - - NA NA 540 310 4.2 790 1.2 4.0 0.04 0.15 0.011 5.6 2,100 NO 1,400
<br /> 8/31/2005 6.56 17 2,800 - - 1,500 NA 130 69 2.8 260 0.19 2.8 0.033 0.063 NO 1.6 540 0.19 380
<br /> 11/28/2005 6.32 900 4,600 -- -- 2,200 NA 180 98 1.9 430 ND 1.9 0.028 0.050 0.024 2.4 720 NO 540
<br /> 2/8/2006 6.25 220 6,300 -- -- 3,900 NA 360 210 1.7 700 ND 1.6 0.044 0.056 0.026 8.0 1,600 NO 1,100
<br /> 5/3/2006 6.54 240 2,700 - - 2,500 600 120 72 1.6 270 ND 1.5 0.024 0.026 NO 1.5 490 0.24 390
<br /> 8/3/2006 5.78 2,300 2,437 0.98 130 1,900 600 130 68 3.7 300 0.26 4.9 0.033 0.078 0.0081 1.8 580 0.12 420
<br /> 10/25/2006 5.84 240 1,968 0.68 59 1,600 550 120 59 4.5 240 3.5 6.2 0.035 0.10 0.027 1.5 470 0.14 370
<br /> 1/29/2007 5.99 4 2,534 0.79 120 2,000 640 140 72 3.5 270 0.041 5.0 0.034 0.060 0.0083 1.9 700 NO 470
<br /> 4/30/2007 6.07 17 2,049 0.82 130 1,300 470 100 52 5.1 230 0.048 4.2 0.022 0.049 0.0072 1.2 390 0.12 330
<br /> 8/1/2007 6.23 13 1,774 0.90 47 1,200 350 79 37 4.2 190 0.73 4.0 0.028 0.035 0.0088 1.0 290 0.21 260
<br /> 11/5/2007 6.10 ND 1,991 0.36 56 1,100 320 72 34 3.7 200 0.58 3.4 0.029 0.0200 0.0042 0.85 270 0.25 240
<br /> 2/6/2008 5.60 2 3,629 0.43 185 2,700 1,100 240 130 4.0 370 0.029 4.1 0.060 0.078 0.013 2.4 970 NO 670
<br /> 4/24/2008 6.11 NO 2,103 0.48 189 1,600 600 130 67 3.0 250 ND 3.9 0.026 0.065 0.011 1.4 540 0.14 390
<br /> 8/20/2008 6.21 NO 2,458 3.60 145 1,700 570 120 65 2.8 240 ND 3.2 NA NA NA 1.7 580 NA 370
<br /> 11/20/2008 6.18 NO 2,021 0.56 83 1,300 530 120 57 4.1 220 0.40 6.0 NA NA NA 1.4 490 NA 310
<br /> 2/12/2009 6.19 23 1,868 0.50 73 1,100 450 99 50 3.2 210 0.25 3.7 NA NA NA 1.1 380 NA 280
<br /> 4/21/2009 6.26 ND 1,726 0.48 112 1,000 380 84 42 3.5 210 0.03 2.8 NA NA NA 0.99 330 NA 250
<br /> 8/5/2009 6.34 4 1,932 2.70 52 1,150 440 101 46 4.0 201 0.91 4.78 NA NA NA 0.12 346 NA 270
<br /> 10/28/2009 6.10 30 1,880 2.10 43 1,120 490 116 49 5.0 244 2.32 5.57 NA NA NA 0.98 367 NA 290
<br /> 1/26/2010 6.0 50 5,350 2.00 172 3,510 1,660 358 187 5.0 381 0.07 9.00 NA NA NA 2.65 1,320 NA 760
<br /> 5/6/2010 6.18 23 2,265 2.79 110 1,330 620 132 70 3.0 233 3.37 2.73 NA NA NA 1.13 470 NA 350
<br /> 8/27/2010 5.97 ND 7,186 0.98 377 4,210 2,300 489 264 5.0 690 0.13 5.85 NA NA NA 4.13 1,810 NA 1,020
<br /> 8/27/2010 5.97 ND 7,186 0.98 377 4,600 2,330 494 267 5.0 706 0.13 5.91 NA NA NA 4.45 1,930 NA 1,080
<br /> 10/28/2010 6.57 ND 2,340 12.45 449 1,460 800 183 84 3.0 305 0.74 3.35 NA NA NA 1.16 510 NA 370
<br /> 1/17/2011 NA ND NA 5.22 1,280 540 120 59 2.8 261 ND 1.47 NA NA NA 1.07 464 NA 357
<br /> 4/18/2011 6.06 NO 1,977 0.45 135 1,290 540 124 57 4.0 252 0.07 4.69 NA NA NA 1.23 440 NA 360
<br /> 8/16/2011 5.75 4 10,310 2.63 154 6,900 3,510 758 393 5.0 1,120 0.17 5.64 NA NA NA 6.40 2,760 NA 1,500
<br /> 10/25/2011 5.79 NO 10,350 1.23 439 6,410 3,030 639 349 5.0 780 0.10 5.97 NA NA NA 6.89 2,450 NA 1,530
<br /> 1/27/2012 6.01 ND 5,070 2.04 251 2,480 1,270 266 147 3.0 461 ND 3.21 NA NA NA 2.47 1,010 NA 620
<br /> 4/23/2012 6.14 23 2,208 1.93 42 1,340 570 129 61 3.0 278 ND 2.56 NA NA NA 0.86 440 NA 340
<br /> 7/24/2012 5.76 ND 9,884 2.09 168 6,590 3,290 700 375 4.0 1,110 NO 4.41 NA NA NA 6.02 2,800 NA 1,800
<br /> 11232012 6.201 NO 2, 144 1,3200 4 610 2.00 30000 0N1D0 0.93 NAA NAA NAA 1.03 4100 NA 3300/8//01 90 9 1. 5 3 3 1,2 213 N N N 588 2,4 N223 087 26 158 93 2,780 A 1,400
<br /> NO is"not detected".
<br /> NA is"not analyzed".
<br /> River Islands-MWR-3
<br /> Total Dissolved Solids River Islands-MWR-3
<br /> NO,-NO2 Nitrogen
<br /> 7,000
<br /> 100
<br /> 6,000
<br /> 5,000 80
<br /> d 4,000 E
<br /> E z 60
<br /> H 3,000
<br /> 2,000 O 40
<br /> z
<br /> 1,000 ro 20
<br /> O
<br /> 0 z
<br /> °i4444 4 444���«�2�2 terry`, 0
<br /> -,-,I-,-,I-, 'Date .-..-....... ..-..
<br /> 'Date
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 187 of 281 EKI B90088.03
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