Know Your Environment. Protect Your Health.

Cobalt

Walker Water System

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
2015-03-1635179704003AMND
2015-03-1635179704005AMND
2015-03-1635179704007AMND
2015-03-1635179704009AMND
2015-03-1635179704011AMND
2015-03-1635179704001AMND
2015-09-0835206431003AMND
2015-09-0835206431005AMND
2015-09-0835206431011AMND
2015-09-0835206431007AMND
2015-09-0835206431009AMND
2015-09-0835206431001AMND