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EWG's Tap Water Database — 2021 UPDATE

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Silver

Bayou Liberty Water Association

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017ND60ND
2018ND20ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-27AD91733ND
2014-05-27AD91743ND
2014-05-27AD91753ND
2014-05-27AD91733ND
2014-05-27AD91743ND
2014-05-27AD91753ND
2017-05-01AE13995ND
2017-05-01AE14003ND
2017-05-01AE14011ND
2017-05-01AE13995ND
2017-05-01AE14003ND
2017-05-01AE14011ND
2018-10-30B1805183-001ND
2018-10-30B1805183-001ND