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EWG's Tap Water Database — 2021 UPDATE

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Silver

Cal Am Water Company - Bishop

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016ND20ND
2017N/A00N/A
2018N/A00N/A
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-181225-018-1225ND
2016-06-081225-016-1124ND
2016-06-291225-019-1008ND
2019-04-241225-019-1300ND
2019-05-141225-016-1615ND