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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Fullerton

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

MORE ABOUT THIS CONTAMINANT

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND150ND
2014ND210ND
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
2013-03-043010010998ND
2013-03-043010010999ND
2013-03-043010010811ND
2013-03-053010010810ND
2013-06-103010010810-2ND
2013-06-103010010999-2ND
2013-06-103010010998-2ND
2013-06-103010010811-2ND
2013-09-033010010810-3ND
2013-09-033010010811-3ND
2013-09-043010010998-3ND
2013-09-043010010999-3ND
2013-12-093010010810-4ND
2013-12-093010010999-4ND
2013-12-093010010998-4ND
2014-02-053010010811-4AND
2014-04-153010010995-1ND
2014-04-153010010806-1ND
2014-04-153010010996-1ND
2014-04-153010010997-1ND
2014-04-153010010809-1ND
2014-04-153010010803-1ND
2014-04-153010010808-1ND
2014-04-153010010802-1ND
2014-04-153010010804-1ND
2014-04-153010010805-1ND
2014-09-1614090451ND
2014-09-1614090452ND
2014-09-1614090448ND
2014-09-1614090454ND
2014-09-1614090447ND
2014-09-1614090449ND
2014-09-1614090453ND
2014-09-1614090456ND
2014-09-1614090455ND
2014-09-1614090450ND