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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Epcor Water New Mexico Inc Clovis

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

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND160ND
2014ND140ND
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
2013-09-1523381101ND
2013-09-1523382401ND
2013-09-1523381201ND
2013-09-1523381801ND
2013-09-1623381601ND
2013-09-1623382501ND
2013-09-1623382201ND
2013-09-1623382001ND
2013-09-1623381401ND
2013-09-1623381301ND
2013-09-1723381901ND
2013-09-1723381701ND
2013-09-1723381501ND
2013-09-1723382101ND
2013-09-1723382301ND
2013-09-1723382601ND
2014-03-1225103501ND
2014-03-1225103301ND
2014-03-1225103401ND
2014-03-1225104701ND
2014-03-1725103801ND
2014-03-1725103901ND
2014-03-1725104501ND
2014-03-1725104401ND
2014-06-2325103601ND
2014-06-2325104201ND
2014-06-2425103701ND
2014-06-2426423101ND
2014-06-2425104301ND
2014-06-2426423201ND