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EWG's Tap Water Database

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Cobalt

Brattleboro Water Department

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
2010N/A00N/A
2011N/A00N/A
2012N/A00N/A
2013N/A00N/A
2014ND60ND
2015ND60ND

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
2014-09-1714090780-04ND
2014-09-1714090780-02ND
2014-09-1714090780-03ND
2014-09-1714090780-01ND
2014-12-1614120477-04ND
2014-12-1614120477ND
2015-03-1715030483-01ND
2015-03-1715030484-01ND
2015-03-1715030485ND
2015-03-1715030486ND
2015-06-245062983-02ND
2015-06-245062983-01ND