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EWG's Tap Water Database — 2019 UPDATE

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Silver

Forrest City Waterworks

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
2013ND20ND
2014ND10ND
2015N/A00N/A
2016ND20ND
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-02-12130440002ND
2013-02-12130440001ND
2014-04-23141140012ND
2016-02-16Y160490004ND
2016-02-16Y160490006ND
2017-04-03Y170960007ND