Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Cobalt

Springfield

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
2012N/A00N/A
2013ND160ND
2014ND40ND
2015N/A00N/A
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
2013-03-18AB94200ND
2013-03-18AB94204ND
2013-03-18AB94202ND
2013-03-18AB94206ND
2013-06-16AC02201ND
2013-06-16AC02199ND
2013-06-16AC02195ND
2013-06-16AC02197ND
2013-09-30AC10549ND
2013-09-30AC10547ND
2013-09-30AC10553ND
2013-09-30AC10551ND
2013-12-16AC16318ND
2013-12-16AC16320ND
2013-12-16AC16324ND
2013-12-16AC16322ND
2014-03-24AC20621ND
2014-03-25AC20615ND
2014-03-25AC20617ND
2014-03-25AC20619ND