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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Edina

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
2012N/A00N/A
2013ND50ND
2014ND40ND
2015ND10ND
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
2013-07-251039552009ND
2013-07-251039552003ND
2013-07-251039552012ND
2013-07-251039552001ND
2013-07-251039552006ND
2014-01-291069551001ND
2014-01-291069551009ND
2014-01-291069551003ND
2014-01-291069551006ND
2015-06-242079084001ND