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EWG's Tap Water Database — 2019 UPDATE

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Silver

City of Seal Beach

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND50ND
2014ND20ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-244417-002-0800ND
2012-01-244417-001-0820ND
2012-02-144417-009-0800ND
2012-05-094417-003-0740ND
2013-04-234417-001-0845ND
2013-04-234417-003-0805ND
2013-08-074417-009-0855ND
2013-12-034417-003-0810ND
2013-12-034417-002-0835ND
2014-01-304417-002-0900ND
2014-02-254417-003-0740ND
2015-01-204417-009-0805ND
2015-02-024417-002-1030ND