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EWG's Tap Water Database — 2019 UPDATE

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Silver

Averydale Mutual Water Company

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.

 

8

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
2014ND30ND
2015ND10ND
2016N/A00N/A
2017ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-153761-001-1357ND
2014-07-153761-003-1334ND
2014-07-153761-006-1415ND
2015-02-173761-004-1414ND
2017-07-183761-001-1247ND
2017-07-183761-003-1215ND
2017-07-183761-004-1225ND
2017-07-183761-006-1253ND