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EWG's Tap Water Database

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Cobalt

Cole County PWSD 1

Cobalt is a metal found throughout the environment; people may be exposed to cobalt in air, food and drinking water.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012N/A00N/A
2013ND70ND
2014ND70ND
2015N/A00N/A

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 70 ppb

The 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
2013-06-04AB97386ND
2013-06-04AB97382ND
2013-06-04AB97378ND
2013-06-04AB97380ND
2013-06-04AB97388ND
2013-06-04AB97376ND
2013-06-04AB97384ND
2014-02-25AC14969ND
2014-02-25AC14981ND
2014-02-25AC14973ND
2014-02-25AC14977ND
2014-02-25AC14971ND
2014-02-25AC14979ND
2014-02-25AC14975ND