Menu

EWG's Tap Water Database

Donate

Silver

Danville City Water Works

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND10ND
2011ND10ND
2012ND10ND
2013ND10ND
2014ND10ND
2015ND10ND

ppb = parts per billion.

All test results

Date Lab ID Result
2010-02-1690678601ND
2011-02-0891347001ND
2012-02-0692101001ND
2013-02-1892899701ND
2014-02-1793484301ND
2015-03-0294191201ND