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EWG's Tap Water Database — 2019 UPDATE

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Silver

Sterling Mutual 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
2012N/A00N/A
2013ND10ND
2014ND30ND
2015N/A00N/A
2016ND10ND
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-08-089588-001-0910ND
2014-05-129588-001-1035ND
2014-05-129588-002-1040ND
2014-07-169588-002-0815ND
2016-08-129588-001-0820ND
2017-08-119588-002-0815ND