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EWG's Tap Water Database — 2021 UPDATE

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Silver

City of Waxahachie

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
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-19Q1408832002ND
2014-03-19Q1408832003ND
2015-04-27Q1515456005ND
2015-04-27Q1515456006ND
2016-01-21Q1602735005ND
2016-01-21Q1602735006ND
2017-04-12Q1715005011ND
2017-04-12Q1715005012ND
2018-01-25Q1802982013ND
2018-01-25Q1802982014ND
2019-04-29Q1916965005ND
2019-04-29Q1916965006ND