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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

City of Athens

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

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND70ND
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
2013-12-17Q1318389003ND
2013-12-17Q1318389007ND
2013-12-17Q1318389015ND
2013-12-17Q1318389005ND
2013-12-17Q1318389013ND
2013-12-17Q1318389001ND
2013-12-17Q1318389009ND
2014-03-11Q1407622003ND
2014-03-11Q1407622001ND
2014-06-16Q1421298005ND
2014-06-16Q1421298013ND
2014-06-16Q1421298009ND
2014-06-16Q1421298003ND
2014-06-16Q1421298001ND
2014-06-16Q1421298007ND
2014-06-16Q1421298015ND
2014-06-16Q1421298011ND
2014-09-16Q1444583003ND
2014-09-16Q1444583001ND