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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Carroll County

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND140ND
2014N/A00N/A
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
2013-02-05201302060449AMND
2013-02-05201302060455AMND
2013-02-05201302060457AMND
2013-02-05201302060453AMND
2013-05-07201305080498AMND
2013-05-07201305080421AMND
2013-05-07201305080453AMND
2013-08-08201308090233AMND
2013-08-08201308090197AMND
2013-08-08201308090203AMND
2013-08-08201308090255AMND
2013-11-07201311080299AMND
2013-11-07201311080276AMND
2013-11-07201311080274AMND