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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Defuniak Springs

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

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND100ND
2014ND100ND
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 Result
2013-09-03ND
2013-09-03ND
2013-09-03ND
2013-09-03ND
2013-09-04ND
2013-09-04ND
2013-09-04ND
2013-10-02ND
2013-10-02ND
2013-10-08ND
2014-02-18ND
2014-02-19ND
2014-02-19ND
2014-02-19ND
2014-02-24ND
2014-02-24ND
2014-02-24ND
2014-02-24ND
2014-02-24ND
2014-03-11ND