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EWG's Tap Water Database — 2021 UPDATE

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Silver

Strong Waterworks

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015N/A00N/A
2016N/A00N/A
2017ND30ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-14140160057ND
2014-01-14140160058ND
2014-08-26Y142390006ND
2017-02-27Y170600002ND
2017-02-27Y170600003ND
2017-08-08Y172220004ND