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75C - PH - RPT ON WATER QUALITY
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75C - PH - RPT ON WATER QUALITY
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Last modified
6/30/2016 4:16:27 PM
Creation date
6/30/2016 3:36:16 PM
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City Clerk
Doc Type
Agenda Packet
Agency
Public Works
Item #
75C
Date
7/5/2016
Destruction Year
2021
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4� <br />How to read rhos table <br />Starting whh a pu his Iance read across. IVIQ shoNs the highest levee of substance (conf cnii[ int) allowed. <br />MCLG Is the goal level for that sub stance (this may be lower than what Is allowed) Range tells the highest <br />and lowest amounts rneasured. /tverage represents the measured amoantTess Is b(Ater). Typical Source <br />of Contaminant tells tydhere [he substance usually originate l i-regulated stihsLaff es are measured, but <br />maximum allovved contaminant levels have not been established by the government. <br />Sa'z S IT I viii L C Q ALJ IY <br />Eight locations in the distribution system are tested quarterly for total trlhalomethanes and haloacetic adds, Fifty locations are tested monthly for color, odor and middle, <br />Color was not detected in 2015. <br /><= detected but average Is less than the reporting limit; <br />*Chemical is regulated by a secondary standard to maintain aesthetic qualities (color, otlo6 and tastel. <br />Microbiological MCL ( MCLG n sympathy only ( MLL o� <br />oo.ria <Irmo� ral, Typical Source Of Chemical <br />mm Vjr...o yP <br />No more iban 5% of the monthly samples may be pCgltve for total collform bacteria. The occurrence of 2 consecutive total collform positive samples, one of which contains fecal <br />col Iforml colt, cons burns, an acute MCL vialabon. <br />In 2015, 80 residences were tested for lead and copper at-the tap, Lead was not detected In any of the samples. <br />Copper was detected in 66 samples, none of which exceeded the AL for copper. A regulatory, action level is the concentration of a contaminant which, if exceeded, triggers <br />treatment or other requirements that a water system must follow. <br />Hexavalent chromium was included as part of the unregulated chemicals requiring monioring, <br />*** Total chromium Is regulated with an MCL of 50 ppb but was not deterred, based on the detection limit far purposes of reporting of 10 ppb. <br />Total chromium was Included as part of the unregulated chemicals requiring monitoring. <br />i0 ?S <br />QUALITY <br />REPQRT <br />EXHIBIT 6 <br />75C -81 <br />
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