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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Garden City Water and Sewer System

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

 

31

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
2014ND150ND
2015ND160ND
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
2014-09-15201409170709AMND
2014-09-15201409180296AMND
2014-09-15201409180273AMND
2014-09-15201409180279AMND
2014-09-15201409180263AMND
2014-09-16201409180739AMND
2014-09-16201409180707AMND
2014-09-16201409180737AMND
2014-09-16201409180566AMND
2014-09-16201409180568AMND
2014-09-16201409180684AMND
2014-09-16201409180657AMND
2014-09-16201409180699AMND
2014-09-16201409180561AMND
2014-10-21201410220288AMND
2015-03-18201503190545AMND
2015-03-18201503190476AMND
2015-03-18201503190635AMND
2015-03-18201503190589AMND
2015-03-19201503200190AMND
2015-03-19201503200107AMND
2015-03-19201503200349AMND
2015-03-19201503200183AMND
2015-03-19201503200357AMND
2015-03-19201503200355AMND
2015-03-25201503260618AMND
2015-03-25201503260915AMND
2015-03-26201503270333AMND
2015-03-26201503280144AMND
2015-03-26201503270129AMND
2015-03-26201503280159AMND