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EWG's Tap Water Database — 2021 UPDATE

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Silver

Azusa Light and Water

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.

 

22

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
2014ND50ND
2015ND20ND
2016ND40ND
2017ND50ND
2018ND20ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-069588-034-1000ND
2014-08-069588-033-0950ND
2014-08-069588-007-1055ND
2014-08-069588-004-0920ND
2014-09-179588-002-0910ND
2015-08-059588-003-0850ND
2015-11-049588-010-1030ND
2016-08-099588-008-0950ND
2016-08-099588-001-0900ND
2016-08-099588-006-1010ND
2016-08-099588-005-0940ND
2017-08-149588-007-0910ND
2017-08-149588-033-0830ND
2017-08-149588-034-0835ND
2017-08-149588-004-0850ND
2017-08-149588-002-0825ND
2018-08-089588-003-0825ND
2018-11-069588-010-1120ND
2019-08-199588-006-1010ND
2019-08-199588-008-1030ND
2019-08-199588-005-0955ND
2019-08-199588-001-0930ND