Menu

EWG's Tap Water Database

Donate

Silver

Pleasant Hills-crossroads Water Systems

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.

 

8

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
201110.00 ppb4410.00 ppb
2012N/A00N/A
2013N/A00N/A
2014ND40ND
2015N/A00N/A

ppb = parts per billion.

All test results

Date Lab ID Result
2011-09-19AD5954510.00 ppb
2011-09-19AD5955510.00 ppb
2011-09-19AD5954510.00 ppb
2011-09-19AD5955510.00 ppb
2014-08-11AD95240ND
2014-08-11AD95245ND
2014-08-11AD95240ND
2014-08-11AD95245ND