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EWG's Tap Water Database — 2019 UPDATE

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Silver

Ilion

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND10ND
2015ND70ND
2016ND30ND
2017ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-091200380-IOCSECND
2013-01-071300259-001-IOCSND
2014-01-131400485-IOCSECND
2015-01-12K1501085-IOCSECND
2015-05-11K1505130-IOCSECND
2015-05-11K1505129-IOCSECND
2015-07-20K1507304-IOCSECND
2015-07-26K1507389-IOCSECND
2015-08-10K1508188-IOCSECND
2015-08-31K1509012-IOCSECND
2016-01-11K1601203-001A-IOND
2016-01-111600454-001-IOCSND
2016-01-11K1601201-001A-IOND
2017-08-211713557-003A-IOCND
2017-12-041713557-002A-IOCND
2017-12-041713557-001A-IOCND