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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Epcor Water - Sun City West

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND80ND
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
2013-02-122778929ND
2013-02-122778924ND
2013-03-192795763ND
2013-03-192795768ND
2013-08-1323248001ND
2013-08-1323247801ND
2013-08-1423247901ND
2013-08-1423248101ND