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EWG's Tap Water Database — 2021 UPDATE

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Silver

Brownville Water System

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015N/A00N/A
2016N/A00N/A
2017ND100ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-11AD95307ND
2014-08-11AD95297ND
2014-08-11AD95292ND
2014-08-11AD95287ND
2014-08-11AD95292ND
2014-08-11AD95297ND
2014-08-11AD95307ND
2014-08-11AD95287ND
2017-01-1035288675001ND
2017-01-1035288675001ND
2017-08-0135327912001ND
2017-08-0135327912004ND
2017-08-0135327912003ND
2017-08-0135327912002ND
2017-08-0135327912001ND
2017-08-0135327912004ND
2017-08-0135327912003ND
2017-08-0135327912002ND