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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

York County East WD

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

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND20ND
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
2014-05-13201405150119AMND
2014-05-13201405150185AMND
2014-05-13201405150115AMND
2014-08-13201408150376AMND
2014-08-13201408150284AMND
2014-08-13201408150312AMND
2014-11-05201411070382AMND
2014-11-05201411070614AMND
2014-11-05201411070456AMND
2015-02-11201502130308AMND
2015-02-11201502130271AMND