Know Your Environment. Protect Your Health.

Cobalt

Middletown Water Department

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
2014ND60ND
2015ND60ND
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
2014-08-112025471002ND
2014-08-112025471004ND
2014-08-112025471003ND
2014-08-112025471001ND
2014-11-192041458003ND
2014-11-192041458001ND
2015-02-262057162003ND
2015-02-262057162007ND
2015-02-262057162001ND
2015-02-262057162005ND
2015-05-202072636001ND
2015-05-202072636003ND