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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Edinburg

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
2013ND40ND
2014ND120ND
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
2013-10-02Q1308559003ND
2013-10-02Q1308559005ND
2013-10-02Q1308559007ND
2013-10-02Q1308559001ND
2014-01-07Q1400298001ND
2014-01-07Q1400298003ND
2014-01-07Q1400298007ND
2014-01-07Q1400298005ND
2014-04-09Q1411249003ND
2014-04-09Q1411249005ND
2014-04-09Q1411249007ND
2014-04-09Q1411249001ND
2014-07-08Q1426161001ND
2014-07-08Q1426161003ND
2014-07-08Q1426161007ND
2014-07-08Q1426161005ND