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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

Greenville Water System

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

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND160ND
2015N/A00N/A
2016N/A00N/A
2017N/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
2014-01-13201401150374AMND
2014-01-13201401150361AMND
2014-01-13201401150562AMND
2014-01-13201401150570AMND
2014-04-15201404170438AMND
2014-04-15201404170302AMND
2014-04-15201404170278AMND
2014-04-15201404170319AMND
2014-07-14201407160641AMND
2014-07-14201407160555AMND
2014-07-14201407160628AMND
2014-07-14201407160598AMND
2014-10-13201410150258AMND
2014-10-13201410150202AMND
2014-10-13201410150130AMND
2014-10-13201410150270AMND