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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Burkburnett

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND20ND
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
2014-05-19Q1416713005ND
2014-05-19Q1416713007ND
2014-08-11Q1435586003ND
2014-08-11Q1435586001ND
2014-08-26Q1439460003ND
2014-08-26Q1439460001ND
2014-11-24Q1457575003ND
2014-11-24Q1457575005ND
2014-11-24Q1457575007ND
2014-11-24Q1457575001ND
2015-02-11Q1505667003ND
2015-02-11Q1505667001ND