Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Cobalt

Town of Queen Creek

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

MORE ABOUT THIS CONTAMINANT

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND280ND
2014N/A00N/A
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
2013-03-18201303190024AMND
2013-03-18201303190062AMND
2013-03-18201303190050AMND
2013-03-18201303190048AMND
2013-03-18201303190045AMND
2013-03-18201303190064AMND
2013-03-18201303190052AMND
2013-03-18201303190036AMND
2013-03-18201303190041AMND
2013-03-18201303190043AMND
2013-03-18201303190067AMND
2013-03-18201303190034AMND
2013-03-18201303190018AMND
2013-03-18201303190038AMND
2013-09-11201309110465AMND
2013-09-11201309110463AMND
2013-09-11201309110459AMND
2013-09-11201309110467AMND
2013-09-11201309110469AMND
2013-09-11201309110471AMND
2013-10-02201310020515AMND
2013-10-02201310020509AMND
2013-10-02201310020507AMND
2013-10-02201310020501AMND
2013-10-02201310020503AMND
2013-10-02201310020505AMND
2013-10-02201310020513AMND
2013-10-02201310020511AMND