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EWG's Tap Water Database — 2021 UPDATE

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Silver

Mars Hill and Blaine Water Company

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

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-21ND
2015-06-30K005943001ND
2016-05-02L009223001ND
2016-11-16L031858001ND
2017-12-181720081-01ND
2018-04-091804198-01ND