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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

NJ American Water - Liberty

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and 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
2014ND60ND
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 70 ppb

The EWG Health Guideline of 70 ppb for cobalt was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against change in blood chemistry.

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-1926599501ND
2014-08-1926600001ND
2014-08-1926599301ND
2014-11-1427408001ND
2014-11-1427408501ND
2014-11-1427407801ND
2015-02-1128099301ND
2015-02-1128100001ND
2015-02-1128098901ND
2015-05-1529051801ND
2015-05-1529052301ND
2015-05-1529051601ND