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EWG's Tap Water Database — 2021 UPDATE

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Silver

Valley Water Company

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017ND40ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-029588-002-0905ND
2014-07-029588-003-0920ND
2014-07-029588-004-0955ND
2014-07-029588-005-1025ND
2017-07-119588-002-0950ND
2017-07-119588-003-0935ND
2017-07-119588-005-1015ND
2017-07-139588-004-1145ND