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EWG's Tap Water Database

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Silver

Owensboro Municipal Utilities

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND50ND
2011ND20ND
2012ND30ND
2013ND20ND
2014ND20ND
2015N/A00N/A

ppb = parts per billion.

All test results

Date Lab ID Result
2010-10-2200008214ND
2010-10-2200008217ND
2010-10-25L48562205ND
2010-11-01L48673401ND
2010-11-01L48673402ND
2011-06-2400010995ND
2011-06-2400010998ND
2012-07-0300015436ND
2012-07-0300015435ND
2012-07-05L58364305ND
2013-09-26L65998001ND
2013-09-26L65998002ND
2014-06-10L70438202ND
2014-06-10L70438201ND