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EWG's Tap Water Database

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Silver

Cole County PWSD 1

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012ND60ND
2013N/A00N/A
2014N/A00N/A
2015ND60ND

ppb = parts per billion.

All test results

Date Lab ID Result
2012-02-16AB65967ND
2012-02-16AB65968ND
2012-02-16AB65970ND
2012-02-16AB65971ND
2012-02-16AB65972ND
2012-03-26AB70041ND
2015-02-18AC42233ND
2015-02-18AC42234ND
2015-02-18AC42235ND
2015-02-18AC42236ND
2015-02-18AC42238ND
2015-02-18AC42237ND