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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

City of Scottsdale

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
2012N/A00N/A
2013N/A00N/A
2014ND420ND
2015ND20ND
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
2014-02-10201402100089AMND
2014-02-10201402100091AMND
2014-02-10201402100085AMND
2014-02-10201402100087AMND
2014-02-11201402120493AMND
2014-02-12201402130289AMND
2014-02-12201402130279AMND
2014-02-12201402130281AMND
2014-02-12201402130291AMND
2014-02-12201402130295AMND
2014-02-12201402130293AMND
2014-02-12201402130285AMND
2014-02-12201402130287AMND
2014-02-12201402120499AMND
2014-02-13201402130339AMND
2014-02-13201402130341AMND
2014-05-14201405140665AMND
2014-05-14201405140673AMND
2014-05-14201405140675AMND
2014-05-14201405140663AMND
2014-08-05201408050563AMND
2014-08-05201408050592AMND
2014-08-05201408050565AMND
2014-08-07201408070361AMND
2014-08-07201408070363AMND
2014-08-13201408130317AMND
2014-08-13201408130351AMND
2014-08-13201408130313AMND
2014-08-13201408130323AMND
2014-08-13201408130315AMND
2014-08-13201408130325AMND
2014-08-13201408130321AMND
2014-08-13201408130319AMND
2014-08-13201408130345AMND
2014-08-14201408140538AMND
2014-08-21201408220384AMND
2014-08-26201408260309AMND
2014-08-27201408270707AMND
2014-11-10201411100073AMND
2014-11-10201411100061AMND
2014-11-10201411100071AMND
2014-11-10201411100059AMND
2015-03-05201503050034AMND
2015-03-30201503300283AMND