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EWG's Tap Water Database — 2021 UPDATE

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Silver

Pahrump Utility Company Inc.

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
2014ND10ND
2015ND10ND
2016ND30ND
2017ND10ND
2018ND10ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-231342308.01ND
2015-04-0115-1702ND
2016-10-1316100398-01ND
2016-10-1816100513-01ND
2016-10-1816100514-01ND
2017-11-0817110488-01ND
2018-08-2918081451-01ND
2019-06-1119060609-01ND
2019-06-1919061106-01ND