Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Cobalt

Mission Springs WD

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

 

22

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
2013ND110ND
2014ND110ND
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
2013-07-23201307240887AMND
2013-07-23201307240873AMND
2013-08-20201308210898AMND
2013-08-20201308210892AMND
2013-08-20201308210888AMND
2013-08-20201308210894AMND
2013-08-20201308210896AMND
2013-08-20201308210884AMND
2013-08-20201308210900AMND
2013-08-20201308210886AMND
2013-08-20201308210890AMND
2014-01-07201401080996AMND
2014-01-07201401080972AMND
2014-01-07201401080998AMND
2014-01-07201401080962AMND
2014-01-07201401080974AMND
2014-01-07201401080976AMND
2014-01-14201401150802AMND
2014-01-14201401150804AMND
2014-01-14201401150821AMND
2014-01-14201401150811AMND
2014-01-14201401150816AMND