Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Cobalt

Fort Bend County MUD 23

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
2013ND60ND
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2013-10-30Q1311074003ND
2013-10-30Q1311074005ND
2013-10-30Q1311074001ND
2013-10-30Q1311074007ND
2013-10-30Q1311074011ND
2013-10-30Q1311074009ND
2014-04-30Q1413701003ND
2014-04-30Q1413701005ND
2014-04-30Q1413701001ND
2014-04-30Q1413701007ND
2014-04-30Q1413701011ND
2014-04-30Q1413701009ND