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EWG's Tap Water Database — 2019 UPDATE

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Silver

Olivenhain Municipal Water District

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
2012ND10ND
2013ND10ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-08-219590-003-0850ND
2013-08-209590-003-1200ND
2014-08-209590-003-1330ND
2015-08-199590-003-1221ND
2016-08-179590-003-1100ND
2017-08-249590-003-0900ND