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EWG's Tap Water Database — 2021 UPDATE

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Silver

Mena Water

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND20ND
2017ND10ND
2018ND10ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-18140790015ND
2015-01-13Y150150009ND
2016-02-03Y160350004ND
2016-02-17Y160490003ND
2017-01-09Y170120002ND
2018-01-09Y180110004ND
2019-01-03Y190040001ND
2019-01-14Y190170018ND