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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 /> KMW-1
<br /> Total
<br /> Date Coliform EC DO ORP Hard- Calcium Magnesium Potassium Sodium Iron Manganese Barium Nickel Zinc Bromide Chloride Fluoride Sulfate
<br /> Sampled PH Bacteria (uS/cm) (mg/L) (mV) TDS(mg/L) ness (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L)
<br /> (per 100 (mg/L)
<br /> mL
<br /> 1/29/2001 7.31 ND 3,750 -- -- 2,540 1,100 306 82.8 7.71 496 0.11 3.11 ND NA NO -- 543 ND 904
<br /> 10/11/2002 7.03 ND -- -- -- NA 970 270 71 69 449 0.01 3.27 NA NA -- -- 175 - 1,220
<br /> 1/24/2003 7.62 ND -- -- -- NA 1,030 290 75 6.2 300 NO 1.74 NA NA -- -- 490 - 950
<br /> 4/16/2003 7.21 ND -- -- -- NA 890 242 70 5.4 390 NO 2.50 NA NA -- -- 435 - 780
<br /> 9/24/2003 7.00 ND -- -- -- 2,440 790 209 65 6.0 430 1.78 2.87 0.05 NA -- -- 540 -- 890
<br /> 12/17/2003 6.40 -- NA -- -- 2,540 910 234 80 6.0 397 0.07 3.98 0.052 NA -- -- 470 -- NA
<br /> 3/3/2004 7.11 -- 3,420 - -- 2,340 850 230 67 6.0 423 0.11 2.82 0.044 NA -- -- 474 -- NA
<br /> 4/19/2004 7.10 -- 3,320 - -- 2,310 830 222 68 5.0 411 0.10 2.65 0.041 NA -- - 448 - 748
<br /> 8/19/2004 - -- NA - -- 2,140 750 210 55 5.0 425 0.07 2.64 0.0363 NA -- -- 445 -- NA
<br /> 12/1/2004 7.19 -- 3,310 - -- 2,240 760 212 55 6.0 422 0.9 2.44 0.0452 NA -- - 490 - NA
<br /> 1/25/2005 7.30 ND -- - -- 2,330 NA NA NA NA 441 NO 2.35 NA NA -- -- 445 -- NA
<br /> 4/21/2005 7.09 ND 2.580 - -- 2,300 770 210 59 6.0 433 0.06 2.21 0.03 NA -- -- 467 -- 750
<br /> 8/18/2005 6.91 -- 3,740 - -- 2,270 NA NA NA NA 421 0.06 1.54 NA NA -- -- 690 -- NA
<br /> 11/4/2005 6.8 -- NA - -- 2,090 NA NA NA NA 353 4.66 2.09 NA NA -- -- 400 - NA
<br /> 1/26/2006 7.30 ND 3,340 - -- 2,250 NA NA NA NA 381 0.07 2.67 NA NA -- -- 520 -- NA
<br /> 5/1/2006 7.30 ND 3,140 - -- 2,190 800 216 64 6.0 410 ND 2.61 0.0422 NA -- -- 480 - 580
<br /> 8/15/2006 7.30 >23.0 2,560 - -- 1,780 NA NA NA NA 426 0.08 1.41 NA NA -- -- 410 -- NA
<br /> 10/23/2006 7.20 ND 3,160 - -- 2,350 NA NA NA NA 522 0.37 3.29 NA NA -- -- 500 - NA
<br /> 1/30/2007 7.30 ND 3,250 - -- 2,400 NA NA NA NA 488 0.21 3.08 NA NA -- -- 560 -- NA
<br /> 4/30/2007 7.25 ND 3,300 - -- 2,530 950 250 78 7.0 472 0.92 3.73 0.064 NA - -- 530 - 910
<br /> 8/2/2007 7.25 ND 3,310 - -- 2,480 NA NA NA NA 483 0.18 3.49 NA NA -- -- 490 -- NA
<br /> 12/4/2007 6.95 12 3,230 - -- 2,350 NA NA NA NA 477 0.13 3.06 NA NA - -- 480 - NA
<br /> 2/20/2008 6.88 ND 3,190 - -- 2,210 NA NA NA NA 430 0.15 3.33 NA NA -- -- 480 -- NA
<br /> 4/17/2008 7.18 ND 3,070 - -- 2,400 770 209 61 6.0 438 0.19 2.62 0.042 NA -- -- 510 - 580
<br /> 7/15/2008 6.95 >23.0 2,860 - -- 2,270 NA NA NA NA 435 0.12 2.34 NA NA -- -- 550 -- NA
<br /> 10/20/2008 7.02 ND 4,752 - -- 1,850 NA NA NA NA 396 0.16 2.52 NA NA -- -- 440 - NA
<br /> 1/12/2009 6.91 ND 2,412 - -- 1,690 NA NA NA NA 403 0.20 2.76 NA NA -- -- 450 -- NA
<br /> 4/20/2009 6.96 ND 3,200 - -- 2,410 890 249 fib 8.0 600 0.08 2.87 0.08 NA -- -- 710 - 530
<br /> 7/27/2009 6.91 ND 3,760 - -- 2,750 NA NA NA NA 588 0.10 2.84 NA NA -- -- 920 -- NA
<br /> 10/26/2009 7.02 12 2,497 - -- 1,650 570 159 43 6.0 411 0.09 2.22 NA NA NO -- 470 ND 330
<br /> 2/5/2010 7.04 ND 3,812 - -- 2,950 895 253 64 6.0 452 ND 2.65 NA NA NO -- 890 ND 410
<br /> 5/3/2010 6.98 ND 3,673 - -- 2,460 890 253 63 7.0 565 0.08 2.63 0.0583 NA ND -- 800 ND 380
<br /> 8/3/2010 6.92 3.6 4,000 - -- 2,660 1,100 315 76 8.0 571 0.08 3.47 NA NA ND -- 900 ND 400
<br /> 10/14/2010 7.03 ND 3,325 - -- 2,430 914 264 fit 7.0 554 0.07 2.75 NA NA ND -- 740 ND 370
<br /> 3/3/2011 7.15 6.9 2,672 - 362 1,590 429 121 31 4.0 358 ND 1.47 NA NA ND -- 460 ND 280
<br /> 4/20/2011 7'15 1.1 2,172 0.09 121 1,280 329 94 23 4.0 334 ND 1.16 0.03 NA ND -- 370 0.1 230
<br /> 8/22/2011 102 ND 2,936 0.10 382 1,870 614 175 43 6.0 448 0.14 2.23 NA NA 0.03 470 ND 400
<br /> NO is"not detected".
<br /> NA is not analyzed".
<br /> "-"data not available.
<br /> City of Lathrop-KMW-1 City of Lathrop-KMW-1
<br /> Total Dissolved Solids NO,Nitrogen
<br /> Well Well
<br /> 5,000 abandoned 25 abandoned
<br /> 4,000
<br /> ? 3,000 3 15 w
<br /> E • E
<br /> 2,000 O 10
<br /> 1,000 5
<br /> 0 0
<br /> °m1 4 999 4 4 4 4 4 o$o
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<br /> Date
<br /> EKI Environment&Water,Inc.
<br /> July 2023 Page 127 of 281 EKI B90088.03
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