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EWG's Tap Water Database — 2021 UPDATE

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Silver

Quint-mar Water Authority

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.

 

12

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
2016ND50ND
2017ND10ND
2018N/A00N/A
2019ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-13AA88467ND
2016-03-30AB10718ND
2016-03-30AB10719ND
2016-03-30AB10720ND
2016-03-30AB10721ND
2016-03-30AB10722ND
2017-01-26AB17471ND
2019-04-17AB34284ND
2019-04-17AB34285ND
2019-04-17AB34286ND
2019-04-17AB34283ND
2019-04-17AB34282ND