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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Moore

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

 

31

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
2013ND60ND
2014ND220ND
2015ND30ND
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
2013-10-093J10006-31AND
2013-10-093J10006-52AND
2013-10-093J10006-37AND
2013-10-093J10006-34AND
2013-10-093J10006-61AND
2013-10-093J10006-63AND
2014-04-074D08021-04ND
2014-04-074D08021-01ND
2014-04-084D09016-01ND
2014-04-084D09016-10ND
2014-04-084D09016-12ND
2014-04-084D09016-07ND
2014-04-094D10050-43ND
2014-04-094D10050-07ND
2014-04-094D10050-04ND
2014-04-094D10050-31ND
2014-04-094D10050-01ND
2014-04-094D10050-40ND
2014-04-094D10050-37ND
2014-04-094D10050-25ND
2014-04-094D10050-34ND
2014-04-094D10050-19ND
2014-04-094D10050-13ND
2014-04-094D10050-10ND
2014-04-094D10050-28ND
2014-04-094D10050-16ND
2014-04-094D10050-22ND
2014-05-014E06136-01ND
2015-12-075L08160-07ND
2015-12-075L08160-01ND
2015-12-315L31030-01ND