Know Your Environment. Protect Your Health.

Cobalt

City of Richland

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND180ND
2015ND60ND
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
2014-06-03WA97-SE1-14-10122-24345ND
2014-06-03WA97-SE1-14-10122-24343ND
2014-06-03WA97-SE1-14-10122-24347ND
2014-06-03WA97-SE1-14-10122-24342ND
2014-06-03WA97-SE1-14-10122-24346ND
2014-06-03WA97-SE1-14-10122-24344ND
2014-06-03WA97-SE1-14-10122-24340ND
2014-06-03WA97-SE1-14-10122-24341ND
2014-09-09WA97-SE2-14-17859-40876ND
2014-09-09WA97-SE2-14-17859-40877ND
2014-09-09WA97-SE2-14-17859-40875ND
2014-09-09WA97-SE2-14-17859-40878ND
2014-12-02WA97-SE3-14-23659-53706ND
2014-12-02WA97-SE3-14-23659-53705ND
2014-12-02WA97-SE3-14-23659-53709ND
2014-12-02WA97-SE3-14-23659-53707ND
2014-12-02WA97-SE3-14-23659-53708ND
2014-12-02WA97-SE3-14-23659-53710ND
2015-01-13WA97-SE2-15-00789-1996ND
2015-01-13WA97-SE3-15-00789-1996ND
2015-02-24WA97-SE4-15-03525-8154ND
2015-03-10WA97-SE4-15-04495-10284ND
2015-03-10WA97-SE4-15-04495-10285ND
2015-03-10WA97-SE4-15-04495-10286ND