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EWG's Tap Water Database — 2019 UPDATE

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Silver

Fern Crest Utilities Inc.

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.

 

3

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
2015ND10ND
20162.50 ppb112.50 ppb
2017ND10ND

ppb = parts per billion

All test results

Date Result
2015-11-05ND
2016-07-072.50 ppb
2017-07-20ND