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EWG's Tap Water Database — 2019 UPDATE

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Silver

Brewster Water Department

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.

 

22

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
2013ND40ND
2014ND50ND
2015ND30ND
2016ND50ND
2017ND50ND

ppb = parts per billion

All test results

Date Result
2013-03-13ND
2013-03-13ND
2013-03-13ND
2013-03-13ND
2014-08-04ND
2014-08-04ND
2014-08-04ND
2014-08-04ND
2014-08-04ND
2015-11-16ND
2015-11-16ND
2015-11-16ND
2016-09-09ND
2016-09-09ND
2016-09-09ND
2016-09-09ND
2016-09-12ND
2017-08-23ND
2017-08-23ND
2017-08-23ND
2017-08-23ND
2017-08-23ND