Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Silver

City of Bay City

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
2014ND30ND
2015N/A00N/A
2016ND20ND
2017ND50ND
2018N/A00N/A
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-19AC43517ND
2014-02-19AC43516ND
2014-02-19AC43518ND
2016-02-25AD25627ND
2016-02-25AD25634ND
2017-01-25AD66706ND
2017-01-25AD66701ND
2017-03-06AD73382ND
2017-03-06AD73380ND
2017-03-06AD73381ND
2019-02-07AE53386ND
2019-02-07AE53385ND