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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Fort Leonard Wood

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND100ND
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
2013-03-17AB94133ND
2013-03-17AB94132ND
2013-03-17AB94134ND
2013-03-17AB94135ND
2013-06-24AC03958ND
2013-06-24AC03960ND
2013-10-01AC10481ND
2013-10-01AC10479ND
2013-12-10AC16302ND
2013-12-10AC16304ND