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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Garden City Park WD

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND60ND
2014ND60ND
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
2013-10-16201310180426AMND
2013-10-16201310180424AMND
2013-10-17201310180428AMND
2013-10-17201310180430AMND
2013-10-24201310250230AMND
2013-10-24201310250228AMND
2014-04-1735134966003AMND
2014-04-1735134966001AMND
2014-04-1735134966005AMND
2014-04-2835136020001AMND
2014-05-2735139905003AMND
2014-05-2735139905001AMND