Know Your Environment. Protect Your Health.

Cobalt

City of Denham Springs Water System

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND80ND
20140.188 ppb81ND - 1.50 ppb
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
2013-09-122896009ND
2013-09-122896087ND
2013-09-122896034ND
2013-09-122896029ND
2013-09-122896069ND
2013-09-122896021ND
2013-09-122896073ND
2013-09-122896052ND
2014-03-272999340ND
2014-03-272999270ND
2014-05-083023038ND
2014-05-083023034ND
2014-05-083023036ND
2014-05-0830230281.50 ppb
2014-05-083023032ND
2014-05-083023030ND