Know Your Environment. Protect Your Health.

Cobalt

City of Yakima Water Division

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND120ND
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
2015-03-02WA97-SE1-15-03900-8867ND
2015-03-02WA97-SE1-15-03900-8866ND
2015-03-03WA97-SE1-15-04048-9183ND
2015-03-03WA97-SE1-15-04048-9184ND
2015-03-03WA97-SE1-15-04048-9182ND
2015-06-22WA97-SE2-15-12586-28445ND
2015-06-22WA97-SE2-15-12586-28444ND
2015-09-09WA97-SE3-15-19425-43036ND
2015-09-09WA97-SE2-15-19425-43035ND
2015-09-09WA97-SE3-15-19425-43034ND
2015-09-16WA97-SE2-15-20026-44533ND
2015-09-16WA97-SE2-15-20026-44532ND