Know Your Environment. Protect Your Health.

Cobalt

City of Bellingham Water Division

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND20ND
2014ND60ND
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
2013-10-01WA97-SE1-13-18755-42559ND
2013-10-01WA97-SE1-13-18755-42560ND
2014-01-07WA97-SE2-14-00354-861ND
2014-01-07WA97-SE2-14-00354-862ND
2014-04-08WA97-SE3-14-06134-14921AND
2014-04-08WA97-SE3-14-06134-14920ND
2014-07-08WA97-SE4-14-12580-29607ND
2014-07-08WA97-SE4-14-12580-29606ND