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EWG's Tap Water Database — 2019 UPDATE

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Silver

Oyster Bay Water District

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.

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND60ND
2013ND50ND
2014ND60ND
2015ND50ND
2016ND60ND
2017ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-12-191212A02-001-SECND
2012-12-191212A02-004-SECND
2012-12-191212A02-002-SECND
2012-12-191212A02-003-SECND
2012-12-201212A82-001-SECND
2012-12-211212B32-001-SECND
2013-12-121312738-004-SECND
2013-12-121312738-003-SECND
2013-12-121312738-002-SECND
2013-12-121312738-001-SECND
2013-12-231312C20-001-SECND
2014-06-041406268-001-SECND
2014-06-041406268-005-SECND
2014-06-041406268-002-SECND
2014-06-041406268-004-SECND
2014-06-041406268-003-SECND
2014-12-171412C79-002-SECND
2015-05-201505E59-004-SECND
2015-05-201505E59-001-SECND
2015-05-201505E59-003-SECND
2015-05-201505E59-002-SECND
2015-05-201505E59-005-SECND
2016-06-281606Q91-004-SECND
2016-06-281606Q91-001-SECND
2016-06-281606Q91-91-003-SND
2016-06-281606Q91-002-SECND
2016-06-291606S11-001-SECND
2016-12-20707271002-SECND
2017-12-277039161001-SECND
2017-12-277039161003-SECND
2017-12-277039161004-SECND
2017-12-277039161005-SECND
2017-12-277039161002-POCND