Know Your Environment. Protect Your Health.

Cobalt

City of Sunnyside

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
2014ND200ND
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
2014-03-31WA97-SE1-14-05465-13410ND
2014-03-31WA97-SE1-14-05465-13409ND
2014-03-31WA97-SE1-14-05465-13414ND
2014-03-31WA97-SE1-14-05465-13415ND
2014-03-31WA97-SE1-14-05465-13413ND
2014-03-31WA97-SE1-14-05465-13412ND
2014-03-31WA97-SE1-14-05465-13411ND
2014-03-31WA97-SE1-14-05465-13408ND
2014-03-31WA97-SE1-14-05465-13407ND
2014-03-31WA97-SE1-14-05465-13406ND
2014-09-03WA97-SE2-14-17266-39554ND
2014-09-03WA97-SE2-14-17795-40724ND
2014-09-03WA97-SE2-14-17266-39553ND
2014-09-03WA97-SE2-14-17795-40725ND
2014-09-03WA97-SE2-14-17266-39553AND
2014-09-03WA97-SE2-14-17266-39557ND
2014-09-03WA97-SE2-14-17266-39558ND
2014-09-03WA97-SE2-14-17266-39556ND
2014-09-03WA97-SE2-14-17266-39555ND
2014-09-03WA97-SE2-14-17266-39559ND