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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

United Water NJ

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
2014ND120ND
2015N/A00N/A
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
2014-02-26201402270290AMND
2014-02-26201402270279AMND
2014-02-26201402270238AMND
2014-05-07201405080501AMND
2014-05-07201405080479AMND
2014-05-07201405080507AMND
2014-08-13201408140531AMND
2014-08-13201408140240AMND
2014-08-13201408140526AMND
2014-11-06201411070378AMND
2014-11-12201411130847AMND
2014-11-12201411130807AMND