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EWG's Tap Water Database — 2019 UPDATE

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Silver

Laurel County Water District #2

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
201220.0 ppb1120.0 ppb
2013ND10ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-03-0720120270800120.0 ppb
2013-03-06201302856001ND
2014-03-05201403231001ND
2015-03-04201502645001ND
2016-03-02201602975001ND
2017-03-08201703358001ND