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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Jones County

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.558 ppb242ND - 11.3 ppb
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
2014-02-10104854PND
2014-02-10304772PND
2014-02-10304771PND
2014-02-10304770PND
2014-02-10304769PND
2014-02-10304768PND
2014-02-10104857PND
2014-02-10104856PND
2014-02-10104855PND
2014-02-10104853PND
2014-05-12106930QND
2014-05-12307009PND
2014-08-12308838P11.3 ppb
2014-08-12108842PND
2014-08-12308839P2.09 ppb
2014-08-12308841PND
2014-08-12308840PND
2014-08-12308837PND
2014-08-12108846PND
2014-08-12108845PND
2014-08-12108844PND
2014-08-12108843PND
2014-11-10109660PND
2014-11-10309737PND