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EWG's Tap Water Database — 2021 UPDATE

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Silver

Thomas Cove

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
20191.000 ppb21ND - 2.00 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-09-30L5153605-1 KIT 1ND
2014-10-21L5242402-1 KIT 1ND
2015-03-26L5486345-KIT 17ND
2015-05-04L5530433-1-QC17ND
2016-09-23L6372174-1ND
2016-09-23L6372290-1ND
2017-02-17L6568639ND
2017-02-17L6635059ND
2018-03-238030880-01 TRACEND
2018-03-288030875-01 TRACEND
2019-06-259055333-01 STRM2.00 ppb
2019-06-259055337-01 STRMND