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• Radiouctive coniammanrs,that can be natural)•-occutnn-_or be the result of oil and eas production and mining activities. <br /> in order to ensure that tap water is safe to driaL the USEP.A and the Stale Water Resources Control Board (Stat: Board) prescribe <br /> regulations that limit the amount of certain contaminants ir, Hater provided bN public water msiems State Board regulations also <br /> estabush [units for contarninams in ilottled waler ftw provide the carne protection for public healm. <br /> Tahles I. 2. and 3 list all of the drinking water contaminants that were detected during the most recent sampling for the <br /> constituent. The presence of these contaminants in the water does not necessarih indicate that the Nater poses a neald, rsk- 7 be State <br /> Board allows us to monitor for certain coniamuiants less than once per year because the concenimuons of these contaminants do not <br /> change frequent).. Some of the data_ though representative of the Mater qualit.N.are more than one year old. <br /> TABLE 1 - SAMPLING RESLLTS SHOWING THE DETECTION OF COLIFORM BACTERIA <br /> Microbiological Higbest ilio.of Months <br /> Contaminants No. of in Violation MCL MCLG Typical Source of Bacteria <br /> Deteebons <br /> Total Coliform Bacteria (In a mo.1 0 _ 1 positive monthly (i iNatttrall% presen-r in the <br /> ,(State Tntal Coliform Pule; I sarr.ple iem-ironmen; <br /> Fecal Colifo;sn or E. coli On the year) (l A routine sample and a 0 Human and animal Fecal waste <br /> (State Total Coliform Rule)' (i reheat sample are total <br /> coliform positive. and <br /> one oftnew. is also fecal <br /> coliform or E :oh <br /> positive <br /> ,E. coli I(Ip,the near) b iai 0 Human and animal fecal waste <br /> ;(Federal Revised Total 0 <br /> 'Coliform.. Rule <br /> (a) Routine and repeat samples are total coliform-positive and either is E. coli-positive or syswm fails to take repeat samples following <br /> E coli-positive routine sample or system fails to analyze total c:oiiforrn-positive repeat sample for E <br /> TABLE 2- SAMPLING RESULTS SHOWING THE DETECTION OF LEAD VND COPPER <br /> Lead and Copper Sample No"of Per entile No. Sites <br /> (and reporting units) Date Samples Level Exceeding AL PHG Typical Source of Contaminant <br /> Collected' AL <br /> Detected <br /> Lead(Ppb) 09.29`)fi ; ( 0.1 internal corrosioc of household <br /> water plumbing systems_ discharges <br /> from industrial manuhacturers. <br /> erosion of natural aenosks <br /> Copper (ppm) (!y' S'I b s (!. internal corrosion o"household <br /> plumbing sy%iems:ciosion of <br /> natural deposits. leaching frorr. <br /> wood preservatives <br /> '.9nr i•ioiateon nJ an Al('L or 4L is asiercvded. 4ddaional information regarding the vioiarion n nrovidea later in this report <br /> 2018 SMS CCE Form Revisvii Fel: Yo I <br />