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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Greenville Utilities Comm.

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
2014ND90ND
2015ND150ND
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
2014-11-04201411050656AMND
2014-11-04201411050472AMND
2014-11-04201411050526AMND
2014-11-04201411050568AMND
2014-11-04201411050555AMND
2014-11-04201411050559AMND
2014-11-04201411050238AMND
2014-11-04201411050288AMND
2014-11-04201411050552AMND
2015-02-05201502060281AMND
2015-02-05201502060269AMND
2015-02-05201502060220AMND
2015-05-12201505130199AMND
2015-05-12201505130226AMND
2015-05-12201505130207AMND
2015-05-12201505130205AMND
2015-05-12201505130222AMND
2015-05-12201505130238AMND
2015-05-14201505150392AMND
2015-05-14201505150394AMND
2015-05-28201505290267AMND
2015-08-25201508260573AMND
2015-08-25201508260563AMND
2015-08-25201508260571AMND