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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Southeast Morris County Municipal Utilities Authority

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

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND260ND
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
2015-03-173208256ND
2015-03-173208236ND
2015-03-183209317ND
2015-03-193210355ND
2015-03-193210372ND
2015-03-243213289ND
2015-03-243213477ND
2015-03-253213964ND
2015-03-253213957ND
2015-03-263214792ND
2015-03-263214803ND
2015-06-183265609ND
2015-06-183265666ND
2015-09-083317083ND
2015-09-093317899ND
2015-09-153322703ND
2015-09-163324138ND
2015-09-173325003ND
2015-09-173325007ND
2015-09-213326770ND
2015-09-223327756ND
2015-09-233328679ND
2015-09-293332178ND
2015-12-163376007ND
2015-12-163376023ND
2015-12-163376003ND