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EWG's Tap Water Database — 2021 UPDATE

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Silver

Wards Chapel Water System

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.

 

10

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
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-01-05AE00842ND
2015-01-05AE00847ND
2015-01-05AE00862ND
2015-01-05AE00842ND
2015-01-05AE00847ND
2015-01-05AE00862ND
2018-01-0935367822001ND
2018-01-0935367822002ND
2018-01-0935367822001ND
2018-01-0935367822002ND