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EWG's Tap Water Database — 2021 UPDATE

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Silver

West Brazos 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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016N/A00N/A
2017ND20ND
2018ND10ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-19AC47567ND
2015-12-08AD15900ND
2017-02-15Q1706555003ND
2017-11-28Q1760204006ND
2018-09-19Q1837446007ND