Know Your Environment. Protect Your Health.

Cobalt

City of West Richland

NOTE: City of West Richland purchases water from City of Richland which is required to test for cobalt. Sample information shown below was taken by 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
2013ND60ND
2014ND120ND
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

NOTE: City of West Richland purchases water from City of Richland which is required to test for cobalt. Sample information shown below was taken by City of Richland.

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