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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Oconee County - Watkinsville

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

 

14

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
2015ND140ND
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
2015-01-2135172290005AMND
2015-01-2135172290007AMND
2015-01-2135172290001AMND
2015-01-2135172290009AMND
2015-01-2135172290003AMND
2015-04-0735182927001AMND
2015-04-0735182927003AMND
2015-07-2735199612005AMND
2015-07-2735199612007AMND
2015-07-2735199612003AMND
2015-07-2735199612001AMND
2015-07-2735199612009AMND
2015-10-0735210941001AMND
2015-10-0735210941003AMND