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EWG's Tap Water Database — 2021 UPDATE

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Silver

El Monte 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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015N/A00N/A
2016ND10ND
2017ND10ND
2018N/A00N/A
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-249588-006-1005ND
2016-07-079588-009-0950ND
2017-04-279588-006-1435ND
2019-05-289588-043-1310ND
2019-05-289588-044-1240ND
2019-05-289588-045-1255ND
2019-07-259588-009-1430ND