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EWG's Tap Water Database — 2021 UPDATE

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Silver

Suburban Water Systems - San Jose Hills

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
2013N/A00N/A
2014N/A00N/A
2015ND10ND
2016ND20ND
2017N/A00N/A
2018ND20ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-07-219588-065-0810ND
2016-02-239588-075-1130ND
2016-02-239588-075-1133ND
2018-08-109588-065-0845ND
2018-09-219588-065-0842ND
2019-02-089588-075-0915ND
2019-02-089588-075-0920ND