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EWG's Tap Water Database — 2021 UPDATE

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Silver

Monterey Park 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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND40ND
2017ND10ND
2018ND20ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-219588-002-0945ND
2015-08-259588-038-1035ND
2015-11-109588-006-1100ND
2016-02-189588-010-1030ND
2016-02-189588-013-1045ND
2016-08-119588-001-0905ND
2016-08-119588-011-0930ND
2017-08-159588-002-0915ND
2018-08-099588-038-1005ND
2018-11-159588-006-0925ND
2019-02-289588-010-1220ND
2019-05-209588-013-0945ND
2019-08-279588-001-1010ND
2019-08-279588-011-0920ND