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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Mandeville Water Supply

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
2013ND120ND
2014ND120ND
2015N/A00N/A
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
2013-10-2835113914021AMND
2013-10-2835113914011AMND
2013-10-2835113914015AMND
2013-10-2835113914005AMND
2013-10-2835113914023AMND
2013-10-2835113914007AMND
2013-10-2835113914013AMND
2013-12-2035120762001AMND
2013-12-2035120762003AMND
2013-12-2035120762009AMND
2013-12-2035120762005AMND
2013-12-2035120762007AMND
2014-04-2135135198013AMND
2014-04-2135135198015AMND
2014-04-2135135198017AMND
2014-04-2135135198019AMND
2014-04-2135135198011AMND
2014-04-2135135198021AMND
2014-04-2135135198009AMND
2014-04-2135135198007AMND
2014-04-2135135198005AMND
2014-04-2135135198003AMND
2014-04-2135135198001AMND
2014-04-2835135978001AMND