Know Your Environment. Protect Your Health.

Cobalt

Connecticut Water Company - Northern Region-Western System

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND150ND
2014ND30ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2013-06-13201306140131AMND
2013-06-13201306140129AMND
2013-06-13201306140142AMND
2013-06-17201306180153AMND
2013-06-17201306180145AMND
2013-06-17201306180160AMND
2013-07-10201307110762AMND
2013-09-09201309100225AMND
2013-09-30201310010138AMND
2013-12-03201312040918AMND
2013-12-17201312190315AMND
2013-12-17201312190313AMND
2013-12-17201312190311AMND
2013-12-19201312200107AMND
2013-12-19201312200095AMND
2014-01-27201401280260AMND
2014-03-17201403180174AMND
2014-03-17201403180213AMND