Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Silver

California Water Service Co-leona Valley

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013N/A00N/A
2014ND10ND
2015ND10ND
2016N/A00N/A
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-085810-006-1403ND
2014-05-065810-001-1356ND
2015-02-025810-006-1416ND
2017-05-085810-001-1248ND