Know Your Environment. Protect Your Health.

Cobalt

Lakewood Water District

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND140ND
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
2013-05-07201305080351AMND
2013-05-07201305080435AMND
2013-05-07201305080343AMND
2013-05-08201305090201AMND
2013-05-08201305090160AMND
2013-05-08201305090180AMND
2013-05-08201305090196AMND
2013-10-22201310230501AMND
2013-10-22201310230590AMND
2013-10-22201310230471AMND
2013-10-22201310230473AMND
2013-10-23201310240406AMND
2013-10-23201310240533AMND
2013-10-23201310240333AMND