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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

University of Kansas

NOTE: University of Kansas purchases water from City of Lawrence which is required to test for cobalt. Sample information shown below was taken by City of Lawrence.

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
2012N/A00N/A
2013ND60ND
2014ND20ND
2015N/A00N/A
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

NOTE: University of Kansas purchases water from City of Lawrence which is required to test for cobalt. Sample information shown below was taken by City of Lawrence.

Date Lab ID Result
2013-05-132824501ND
2013-05-132824496ND
2013-05-132824509ND
2013-05-132824465ND
2013-08-142877401ND
2013-08-142877423ND
2013-08-142877386ND
2013-08-142877411ND
2013-11-132930263ND
2013-11-132930316ND
2013-11-132930255ND
2013-11-132930324ND
2014-02-122973014ND
2014-02-122972931ND
2014-02-122972918ND
2014-02-192977588ND