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EWG's Tap Water Database — 2019 UPDATE

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Silver

Wellborn SUD

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND30ND
2014ND20ND
2015ND20ND
2016ND30ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-01AB79927ND
2012-06-18AB93061ND
2012-09-12AC00734ND
2013-02-061302228004ND
2013-12-12Q1317624020ND
2013-12-12Q1317624014ND
2014-02-13AC42866ND
2014-02-13AC42867ND
2015-03-24AC85810ND
2015-03-24AC85814ND
2016-03-09AD27813ND
2016-03-09AD27814ND
2016-03-09AD27811ND
2017-03-07AD73643ND
2017-03-07AD73639ND