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ekienvironment <br /> & water <br /> Table S. 2023 Spring Sampling Results <br /> Well ID Sample Date TDS Nitrate as N Total Coliform <br /> (mg/L) (mg/L) (MPN/100 ml-) <br /> Mossdale <br /> Land Application Area A23 Zone <br /> MWM-12 3/24/2023 2,880 5.7 ND <br /> MWM-12 (D) 3/24/2023 2,870 5.8 ND <br /> Consolidated Treatment Facility <br /> KM W-2 4/3/2023 1,970 23.8 N D <br /> KM W-4 4/3/2023 1,270 7.8 N D <br /> KM W-6 4/3/2023 490 3.4 N D <br /> KM W-8 4/3/2023 420 1.9 N D <br /> KM W-9 4/3/2023 980 14.9 N D <br /> KM W-10 4/3/2023 3,500 23.6 N D <br /> KM W-11 4/3/2023 3,020 N D N D <br /> River Islands <br /> Land Application Area A30&A31 Zone <br /> MWR-28 3/27/2023 1,720 1.6 33 <br /> MWR-32 3/27/2023 4,610 0.1 ND <br /> Central Lathrop Specific Plan <br /> Land Application Area A36 <br /> CLSP-1 4/4/2023 460 6.1 2 <br /> CLSP-3 4/4/2023 360 N D 920 <br /> CLSP-8 4/4/2023 2,100 4.1 N D <br /> CLSP-9 4/4/2023 1,530 5.3 ND <br /> CLSP-11 4/4/2023 1,090 18.7 ND <br /> CLSP-12 4/4/2023 1,530 6.0 N D <br /> MWM-19 4/4/2023 1,640 0.2 350 <br /> Abbreviations: <br /> (D) =duplicate <br /> mg/L= milligrams per liter <br /> MPN/100 mL= most probable number per 100 milliliters <br /> ND= Not Detected <br /> TDS=Total Dissolved Solids <br /> Notes: <br /> (a) Numbers in bold exceed proposed groundwater limitations <br /> 3.2.1 Total Coliform <br /> Total coliform was detected in four of the 17 compliance wells sampled in the 2023 Spring <br /> monitoring event (MWR-28, CLSP-1, CLSP-3, and MWM-19) and exceed the revised groundwater <br /> limitation (2.2 MPN/100ml-) for three of those wells (MWR-28, CLSP-3, and MWM-19). Coliform <br /> counts in samples from MWR-28 and MWM-19 were within the historical range, however counts <br /> in CLSP-3 were the highest recorded. In the past, coliform have been variable and erratic from <br /> City of Lathrop 12 13 July 2023 <br /> EKI B90088.03 <br />