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EWG's Tap Water Database — 2021 UPDATE

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Silver

Aqua Water Supply Corporation

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND30ND
2016ND30ND
2017ND90ND
2018ND30ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-05AC41480ND
2014-02-05AC41479ND
2014-02-05AC41481ND
2014-02-05AC41482ND
2014-02-05AC41478ND
2014-02-05AC41477ND
2015-02-09AC79628ND
2015-02-09AC79629ND
2015-02-10AC79850ND
2016-01-26AD19997ND
2016-01-26AD20000ND
2016-01-26AD19999ND
2017-01-11AD64265ND
2017-01-11AD64263ND
2017-01-11AD64264ND
2017-01-11AD64266ND
2017-01-12AD64645ND
2017-01-12AD64644ND
2017-01-12AD64647ND
2017-01-12AD64643ND
2017-01-12AD64646ND
2018-01-25AE10436ND
2018-01-25AE10435ND
2018-01-25AE10432ND
2019-05-15AE66406ND
2019-05-15AE66407ND
2019-05-15AE66405ND