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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Bellmead

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
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
2014-05-21Q1417035007ND
2014-05-21Q1417035013ND
2014-05-21Q1417035011ND
2014-05-21Q1417035009ND
2014-05-21Q1417035015ND
2014-05-21Q1417035001ND
2014-05-21Q1417035005ND
2014-05-21Q1417035003ND
2014-11-20Q1456839007ND
2014-11-20Q1456839011ND
2014-11-20Q1456839009ND
2014-11-20Q1456839013ND
2014-11-20Q1456839015ND
2014-11-20Q1456839001ND
2014-11-20Q1456839005ND
2014-11-20Q1456839003ND