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EWG's Tap Water Database — 2019 UPDATE

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Silver

New Orleans Algiers Water Works

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
2012ND20ND
2013ND20ND
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-03-05AD64077ND
2012-03-05AD64077ND
2013-01-22AD74817ND
2013-01-22AD74817ND
2014-02-04AD88733ND
2014-02-04AD88733ND
2015-03-1635179807001ND
2015-03-1635179807001ND
2016-01-2735226999001ND
2016-01-2735226999001ND
2017-02-2235296827001ND
2017-02-2235296827001ND