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EWG's Tap Water Database — 2021 UPDATE

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Silver

U.S. Marine Corps - Housing Coleville

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND30ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-182326-001-1115ND
2014-03-182326-004-1155ND
2014-03-182326-005-1320ND
2014-03-182326-008-1215ND
2018-10-242326-001-0955ND
2018-10-242326-004-0945ND
2018-10-242326-008-0940ND