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EWG's Tap Water Database — 2021 UPDATE

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Silver

Dayton Valley Water System

Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND10ND
2015N/A00N/A
2016ND100ND
2017ND10ND
2018N/A00N/A
2019ND80ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-231404532-001ND
2016-05-181605504-001ND
2016-06-281606858-001ND
2016-06-281606860-001ND
2016-06-281606859-001ND
2016-07-061607103-001ND
2016-07-061607103-002ND
2016-07-061607103-003ND
2016-07-271607819-001ND
2016-07-271607819-002ND
2016-07-271607819-003ND
2017-05-231705641-001ND
2019-05-2019050593-001ND
2019-05-3019050903-001ND
2019-05-3019050903-002ND
2019-05-3019050903-003ND
2019-06-2719060931-001ND
2019-06-2719060932-001ND
2019-06-2719060933-001ND
2019-06-2719060933-002ND