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EWG's Tap Water Database — 2019 UPDATE

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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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND20ND
2014ND20ND
2015N/A00N/A
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-07-0300015435ND
2012-07-0300015436ND
2012-07-05L58364305ND
2013-09-26L65998001ND
2013-09-26L65998002ND
2014-06-10L70438201ND
2014-06-10L70438202ND
2016-06-06L83972802ND
2016-06-06L83972801ND
2017-06-19L91719902ND
2017-06-19L91719901ND