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EWG's Tap Water Database — 2021 UPDATE

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Silver

Marilee Elmont

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
2014N/A00N/A
2015ND20ND
2016ND10ND
2017N/A00N/A
2018ND20ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-07-15Q1527270007ND
2015-07-15Q1527270008ND
2016-06-22Q1625662008ND
2018-03-06Q1809285005ND
2018-03-06Q1809285006ND
2019-10-23Q1973423004ND