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EWG's Tap Water Database — 2019 UPDATE

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Cobalt

City of Aiken

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
2012N/A00N/A
2013ND120ND
2014ND20ND
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
2013-06-04201306060106AMND
2013-06-04201306060136AMND
2013-06-04201306060143AMND
2013-06-04201306060147AMND
2013-06-04201306060126AMND
2013-09-03201309050285AMND
2013-09-03201309050200AMND
2013-12-04201312060115AMND
2013-12-04201312060138AMND
2013-12-04201312060145AMND
2013-12-04201312060136AMND
2013-12-04201312060148AMND
2014-03-03201403060216AMND
2014-03-03201403060245AMND