Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Cobalt

City of Anaheim

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND110ND
2014ND90ND
2015ND280ND
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
2013-03-043010001838ND
2013-03-053010001994ND
2013-03-053010001840ND
2013-06-103010001838-2ND
2013-06-103010001840-2ND
2013-06-113010001994-2ND
2013-09-033010001838-3ND
2013-09-033010001840-3ND
2013-09-043010001994-3ND
2013-12-093010001840-4ND
2013-12-103010001994-4ND
2014-01-10201401100389AMND
2014-01-10201401100391AMND
2014-02-053010001838-4AND
2014-04-11201404120216AMND
2014-04-11201404120218AMND
2014-07-11201407110516AMND
2014-07-11201407110519AMND
2014-10-10201410100331AMND
2014-10-10201410100344AMND
2015-01-0615010167ND
2015-01-0615010170ND
2015-01-0615010168ND
2015-01-0615010165ND
2015-01-0615010164ND
2015-01-0615010169ND
2015-01-0615010166ND
2015-01-0715010247ND
2015-01-0715010249ND
2015-01-0715010248ND
2015-01-0715010245ND
2015-01-0715010243ND
2015-01-0715010246ND
2015-01-0715010244ND
2015-06-0915060310ND
2015-06-0915060309ND
2015-06-0915060313ND
2015-06-0915060307ND
2015-06-0915060312ND
2015-06-0915060311ND
2015-06-0915060308ND
2015-06-1015060410ND
2015-06-1015060411ND
2015-06-1015060413ND
2015-06-1015060414ND
2015-06-1015060415ND
2015-06-1015060409ND
2015-06-1015060412ND