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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Thomson-McDuffie County W&S Comm.

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
2014ND120ND
2015ND40ND
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
2014-05-2135139238007AMND
2014-05-2135139238009AMND
2014-05-2135139238001AMND
2014-05-2135139238003AMND
2014-08-2835152912003AMND
2014-08-2835152912005AMND
2014-08-2835152912007AMND
2014-08-2835152912001AMND
2014-11-3035166240003AMND
2014-11-3035166240005AMND
2014-11-3035166240007AMND
2014-11-3035166240001AMND
2015-02-1735176235003AMND
2015-02-1835176235007AMND
2015-02-1835176235005AMND
2015-02-1835176235001AMND