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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Northeast Alabama Water System

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

MORE ABOUT THIS CONTAMINANT

 

52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND400ND
2015ND120ND
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
2014-06-123045961ND
2014-06-123047394ND
2014-06-123047390ND
2014-06-123046043ND
2014-06-123046022ND
2014-06-123047378ND
2014-06-123045975ND
2014-06-123047398ND
2014-06-133047382ND
2014-06-133045994ND
2014-06-133048252ND
2014-06-133046009ND
2014-06-133047402ND
2014-06-133045948ND
2014-09-153106638ND
2014-09-153106420ND
2014-09-153106714ND
2014-09-153106319ND
2014-09-153106242ND
2014-09-153106333ND
2014-09-163106360ND
2014-09-163106257ND
2014-09-163106294ND
2014-09-163106387ND
2014-09-163106326ND
2014-09-163106647ND
2014-12-163158257ND
2014-12-163158425ND
2014-12-163158187ND
2014-12-163158333ND
2014-12-163158416ND
2014-12-163158392ND
2014-12-163158437ND
2014-12-163158252ND
2014-12-163158261ND
2014-12-163158267ND
2014-12-163158175ND
2014-12-163158342ND
2014-12-163158401ND
2014-12-163158183ND
2015-03-123207274ND
2015-03-123206980ND
2015-03-123207133ND
2015-03-123207354ND
2015-03-123207113ND
2015-03-123207091ND
2015-03-123207350ND
2015-03-123207012ND
2015-03-123207181ND
2015-03-123207160ND
2015-03-123207343ND
2015-05-013236464ND