Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Cobalt

Hobbs Municipal Water Supply

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.110 ppb202ND - 1.10 ppb
2014N/A00N/A
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
2013-02-19201302210621AMND
2013-02-19201302210617AM1.10 ppb
2013-02-19201302210631AMND
2013-02-19201302210615AM1.10 ppb
2013-02-19201302210623AMND
2013-02-19201302210619AMND
2013-02-19201302210633AMND
2013-02-19201302210627AMND
2013-02-19201302210625AMND
2013-02-19201302210629AMND
2013-08-12201308130212AMND
2013-08-12201308130129AMND
2013-08-12201308130173AMND
2013-08-12201308130084AMND
2013-08-12201308130226AMND
2013-08-12201308130216AMND
2013-08-12201308130224AMND
2013-08-12201308130095AMND
2013-12-30201312310135AMND
2013-12-30201312310169AMND