Know Your Environment. Protect Your Health.

Cobalt

Roseville

NOTE: Roseville purchases water from Saint Paul Regional Water Services which is required to test for cobalt. Sample information shown below was taken by Saint Paul Regional Water Services.

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
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

NOTE: Roseville purchases water from Saint Paul Regional Water Services which is required to test for cobalt. Sample information shown below was taken by Saint Paul Regional Water Services.

Date Lab ID Result
2013-12-181064637003ND
2013-12-181064637001ND
2014-03-111075639001ND
2014-05-122006390001ND
2014-06-042010652001ND
2014-06-042010652003ND
2014-09-172029874001ND
2014-09-172029874003ND