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EWG's Tap Water Database — 2021 UPDATE

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Silver

Darbonne Ws North

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016ND100ND
2017ND20ND
2018N/A00N/A
2019ND100ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-12-01AE00084ND
2014-12-01AE00084ND
2016-09-2635268076005ND
2016-09-2635268076004ND
2016-09-2635268076003ND
2016-09-2635268076001ND
2016-09-2635268076002ND
2016-09-2635268076003ND
2016-09-2635268076004ND
2016-09-2635268076005ND
2016-09-2635268076002ND
2016-09-2635268076001ND
2017-11-0635346857001ND
2017-11-0635346857001ND
2019-09-0935496832001ND
2019-09-0935496832005ND
2019-09-0935496832004ND
2019-09-0935496832003ND
2019-09-0935496832002ND
2019-09-0935496832001ND
2019-09-0935496832005ND
2019-09-0935496832004ND
2019-09-0935496832003ND
2019-09-0935496832002ND