Know Your Environment. Protect Your Health.

Cobalt

Snoqualmie Water

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
2013ND120ND
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
2013-03-26201303270194AMND
2013-03-26201303270145AMND
2013-03-26201303270186AMND
2013-03-26201303270176AMND
2013-03-26201303270204AMND
2013-03-26201303270235AMND
2013-09-17201309180478AMND
2013-09-17201309180701AMND
2013-09-17201309180453AMND
2013-09-17201309180486AMND
2013-09-17201309180705AMND
2013-09-17201309180709AMND