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EWG's Tap Water Database — 2021 UPDATE

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Silver

Golden State Water Company - Wrightwood

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
2014ND70ND
2015N/A00N/A
2016N/A00N/A
2017ND70ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-112706-001-1445ND
2014-02-112706-002-1200ND
2014-02-112706-003-1415ND
2014-02-112706-006-1015ND
2014-02-112706-007-1115ND
2014-02-112706-008-0940ND
2014-02-182706-013-1325ND
2017-05-019590-001-1432ND
2017-05-019590-002-0950ND
2017-05-019590-003-1111ND
2017-05-019590-006-0915ND
2017-05-019590-007-1018ND
2017-05-019590-008-1139ND
2017-05-019590-013-1350ND