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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Kalamazoo

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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND220ND
2014ND220ND
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
2013-12-11201312120741AMND
2013-12-11201312120739AMND
2013-12-11201312120808AMND
2013-12-11201312120831AMND
2013-12-11201312120746AMND
2013-12-11201312120754AMND
2013-12-11201312120829AMND
2013-12-11201312120743AMND
2013-12-12201312130545AMND
2013-12-12201312130547AMND
2013-12-12201312130559AMND
2013-12-12201312130448AMND
2013-12-12201312130446AMND
2013-12-12201312130444AMND
2013-12-12201312130453AMND
2013-12-12201312130557AMND
2013-12-17201312180525AMND
2013-12-17201312180529AMND
2013-12-17201312180519AMND
2013-12-17201312180539AMND
2013-12-17201312180557AMND
2013-12-17201312180554AMND
2014-06-10201406110952AMND
2014-06-10201406110856AMND
2014-06-10201406110922AMND
2014-06-10201406110744AMND
2014-06-10201406110746AMND
2014-06-10201406110840AMND
2014-06-10201406110906AMND
2014-06-10201406110908AMND
2014-06-10201406110883AMND
2014-06-10201406110885AMND
2014-06-11201406120516AMND
2014-06-11201406120364AMND
2014-06-11201406120347AMND
2014-06-11201406120349AMND
2014-06-11201406120538AMND
2014-06-11201406120540AMND
2014-06-12201406130285AMND
2014-06-12201406130282AMND
2014-06-12201406130391AMND
2014-06-12201406130395AMND
2014-06-12201406130387AMND
2014-06-12201406130393AMND