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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Laurel County Water District #2

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND60ND
2015ND20ND
2016N/A00N/A
2017N/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
2014-06-17201406240083AMND
2014-06-17201406240085AMND
2014-09-16201409230192AMND
2014-09-16201409230194AMND
2014-12-15201412180219AMND
2014-12-15201412180221AMND
2015-03-17201503200289AMND
2015-03-17201503200287AMND