Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Silver

Whittier Water Department

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND100ND
2015ND10ND
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-03-139588-013-1000ND
2012-03-139588-009-1130ND
2013-05-169588-003-0800ND
2013-09-179588-010-1010ND
2014-02-269588-013-1300ND
2014-02-269588-008-1000ND
2014-02-269588-011-1200ND
2014-02-269588-010-1100ND
2014-03-119588-011-0910ND
2014-03-119588-008-0925ND
2014-03-269588-013-1050ND
2014-03-269588-011-0900ND
2014-03-269588-010-1215ND
2014-03-269588-008-1232ND
2015-03-179588-013-1000ND
2016-06-029588-009-1100ND
2016-09-139588-010-0910ND
2017-03-089588-011-0855ND
2017-03-089588-008-0905ND