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EWG's Tap Water Database — 2019 UPDATE

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Silver

Jordan Valley Water Conservancy District

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014N/A00N/A
2015ND30ND
2016ND40ND
2017ND20ND

ppb = parts per billion

All test results

Date Result
2012-07-18ND
2013-06-26ND
2015-01-13ND
2015-03-30ND
2015-07-21ND
2016-02-16ND
2016-02-25ND
2016-03-15ND
2016-04-20ND
2017-01-18ND
2017-08-14ND