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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Alabaster Water Board

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND40ND
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 Lab ID Result
2013-12-162947291ND
2013-12-162947876ND
2013-12-162947253ND
2013-12-162947911ND
2014-05-063022135ND
2014-05-063022107ND
2014-05-063022131ND
2014-06-063041737ND
2014-06-063041700ND
2014-06-063041575ND
2014-06-063041552ND
2014-09-173110321ND
2014-09-173110118ND
2014-09-173110308ND