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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

City of Palestine

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND60ND
2015ND20ND
2016N/A00N/A
2017N/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
2014-05-29Q1418208001ND
2014-05-29Q1418208003ND
2014-08-28Q1440049001ND
2014-08-28Q1440049003ND
2014-11-20Q1456949003ND
2014-11-20Q1456949001ND
2015-02-26Q1507540003ND
2015-02-26Q1507540001ND