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EWG's Tap Water Database — 2021 UPDATE

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Silver

Westwego Waterworks

NOTE: Westwego Waterworks purchases water from West Jefferson Waterworks District 2 which is required to test for silver. Sample information shown below was taken by West Jefferson Waterworks District 2.

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

NOTE: Westwego Waterworks purchases water from West Jefferson Waterworks District 2 which is required to test for silver. Sample information shown below was taken by West Jefferson Waterworks District 2.

Date Lab ID Result
2014-02-04AD88723ND
2014-02-04AD88723ND
2015-03-1635179807004ND
2015-03-1635179807004ND
2016-01-2735226999004ND
2016-01-2735226999004ND
2017-02-2235296827004ND
2017-02-2235296827004ND
2018-01-3035371297004ND
2018-01-3035371297004ND
2019-02-0535446731001ND
2019-02-0535446731001ND