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EWG's Tap Water Database — 2021 UPDATE

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Silver

Upper Deerfield Township Water Department

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.

 

4

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
20150.01000 ppb21ND - 0.0200 ppb
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-01-02L5356702-60.0200 ppb
2015-01-02L5356702-10ND
2018-02-06L6997901-2ND
2018-02-06L6976648-3ND