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EWG's Tap Water Database — 2019 UPDATE

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Silver

Pico WD

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.

 

9

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
2013ND10ND
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-03-269588-002-1040ND
2014-05-089588-011-1022ND
2014-08-229588-004-0942ND
2014-08-229588-006-1100ND
2014-08-229588-009-1038ND
2017-05-089588-011-0815ND
2017-08-249588-004-0906ND
2017-08-249588-006-0834ND
2017-08-249588-009-0847ND