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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Aqua NJ - Phillipsburg

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and 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
2014ND80ND
20151.20 ppb21ND - 2.40 ppb
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
2014-06-25AE38158ND
2014-06-25AE38161ND
2014-06-25AE38155ND
2014-09-23AE49932ND
2014-09-23AE49929ND
2014-12-08AE59526ND
2014-12-08AE59521ND
2014-12-08AE59523ND
2015-03-16AE68930ND
2015-03-16AE689272.40 ppb