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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Epcor Water - Anthem

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
2013ND40ND
2014ND80ND
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
2013-11-1124073401ND
2013-11-1124073501ND
2013-11-1124073701ND
2013-11-1124073601ND
2014-02-1224836201ND
2014-02-1224836101ND
2014-05-1325708801ND
2014-05-1325708701ND
2014-05-1325709001ND
2014-05-1325708901ND
2014-08-1226759301ND
2014-08-1226759201ND