Know Your Environment. Protect Your Health.

Cobalt

City of Deridder 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
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

Date Lab ID Result
2013-11-2135117217013AMND
2013-11-2135117217009AMND
2013-11-2135117217011AMND
2013-11-2135117217015AMND
2013-11-2135117217001AMND
2013-11-2135117217005AMND
2013-11-2135117217007AMND
2013-11-2135117217003AMND
2014-05-2035138963013AMND
2014-05-2035138963015AMND
2014-05-2035138963011AMND
2014-05-2035138963001AMND
2014-05-2035138963009AMND
2014-05-2035138963007AMND
2014-05-2035138963003AMND
2014-05-2035138963005AMND