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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Hastings

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
2012N/A00N/A
2013N/A00N/A
2014ND60ND
2015ND60ND
2016N/A00N/A
2017N/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
2014-12-102044527009ND
2014-12-102044527001ND
2014-12-102044527015ND
2014-12-102044527012ND
2014-12-102044527003ND
2014-12-102044527006ND
2015-06-092075906012ND
2015-06-092075906001ND
2015-06-092075906015ND
2015-06-092075906006ND
2015-06-092075906003ND
2015-06-092075906009ND