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EWG's Tap Water Database — 2021 UPDATE

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Silver

Parkers Chapel

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND30ND
2016ND20ND
2017ND10ND
2018ND20ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-08-25Y152390006ND
2015-08-25Y152390007ND
2015-08-25Y152390008ND
2016-01-12Y160150015ND
2016-07-13Y161970001ND
2017-08-08Y172220037ND
2018-02-27Y180600014ND
2018-09-10Y182560023ND
2019-01-16Y190170005ND