Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Silver

City of Sweetwater

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND10ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2013-06-04Q1301833011ND
2014-05-06Q1414727001ND
2015-02-11Q1505778002ND
2016-02-03Q1604696011ND
2017-02-21Q1707286004ND