Know Your Environment. Protect Your Health.

Cobalt

City of Olympia

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND200ND
2014N/A00N/A
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
2013-02-14WA97-SE1-13-02624-6123ND
2013-02-14WA97-SE1-13-02624-6124ND
2013-05-20WA97-SE1-13-08686-20034ND
2013-05-20WA97-SE1-13-08686-20030ND
2013-05-20WA97-SE1-13-08686-20031ND
2013-05-20WA97-SE2-13-08686-20029ND
2013-05-20WA97-SE1-13-08686-20033ND
2013-05-20WA97-SE2-13-08686-20036ND
2013-05-20WA97-SE1-13-08686-20035ND
2013-05-20WA97-SE1-13-08686-20032ND
2013-08-05WA97-SE3-13-14093-32130ND
2013-08-05WA97-SE3-13-14093-32129ND
2013-11-13WA97-SE2-13-21665-49258ND
2013-11-13WA97-SE4-13-21665-49262ND
2013-11-13WA97-SE2-13-21665-49261ND
2013-11-13WA97-SE4-13-21665-49255ND
2013-11-13WA97-SE2-13-21665-49260ND
2013-11-13WA97-SE2-13-21665-49257ND
2013-11-13WA97-SE2-13-21665-49256ND
2013-11-13WA97-SE2-13-21665-49259ND