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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Fort Rucker - American Water

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

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND120ND
2014ND160ND
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
2013-09-1023377101ND
2013-09-1023377301ND
2013-09-1023376901ND
2013-09-1023377901ND
2013-09-1123378301ND
2013-09-1123377701ND
2013-09-1123377201ND
2013-09-1123376701ND
2013-10-0323829001ND
2013-10-0323828801ND
2013-10-0323828701ND
2013-10-0323828601ND
2014-03-1025101401ND
2014-03-1025102101ND
2014-03-1025101901ND
2014-03-1025101101ND
2014-03-1025101301ND
2014-03-1025101501ND
2014-03-1125100801ND
2014-03-1125100901ND
2014-03-1125101201ND
2014-03-1125102301ND
2014-03-1125101701ND
2014-03-1125102501ND
2014-06-2326538401ND
2014-06-2326538501ND
2014-12-0227716101ND
2014-12-0227716201ND