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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Indio Water Authority

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
2013ND140ND
2014ND80ND
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
2013-10-02201310030011AMND
2013-10-02201310030013AMND
2013-10-02201310030009AMND
2013-10-02201310030007AMND
2013-10-03201310040020AMND
2013-10-03201310040024AMND
2013-10-03201310040018AMND
2013-10-03201310040022AMND
2013-10-03201310040026AMND
2013-10-04201310040447AMND
2013-10-04201310040443AMND
2013-10-04201310040455AMND
2013-10-04201310040445AMND
2013-10-04201310040450AMND
2014-04-01201404010580AMND
2014-04-01201404010575AMND
2014-04-01201404010586AMND
2014-04-02201404030180AMND
2014-04-02201404030178AMND
2014-04-02201404030176AMND
2014-04-02201404030183AMND
2014-04-02201404030193AMND