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EWG's Tap Water Database — 2019 UPDATE

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Silver

North Texas Municipal Water District - Bonham Water Treatment Plant

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-03-051203119001ND
2013-03-071303267002ND
2014-02-04Q1403415001ND
2015-05-19Q1518440002ND
2016-07-27Q1630662004ND
2017-08-07Q1732975004ND