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EWG's Tap Water Database

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Cobalt

Bennington 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
2013ND120ND
2014N/A00N/A
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
2013-02-19705973-8375ND
2013-02-19705971-8375ND
2013-02-19705929-8312ND
2013-02-19705979-8375ND
2013-05-21720762-9080ND
2013-05-21720764-9080ND
2013-08-12736882-9537ND
2013-08-12736890-9537ND
2013-08-12736884-9537ND
2013-08-12736907-9537ND
2013-11-12758263-10317ND
2013-11-12758261-10317ND