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EWG's Tap Water Database — 2021 UPDATE

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Silver

Mustang 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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016ND40ND
2017ND40ND
2018N/A00N/A
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-16Q1401487004ND
2016-01-07Q1600448005ND
2016-01-07Q1600448006ND
2016-01-07Q1600448007ND
2016-01-07Q1600448008ND
2017-03-22Q1712369011ND
2017-03-22Q1712369012ND
2017-03-22Q1712369013ND
2017-03-22Q1712369014ND
2019-01-08Q1900592010ND
2019-01-08Q1900592002ND
2019-01-08Q1900592011ND
2019-01-08Q1900592012ND