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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Sanford Water District

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
2013ND240ND
2014N/A00N/A
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
2013-02-262785431ND
2013-02-262785494ND
2013-02-262785436ND
2013-02-262785457ND
2013-02-272786181ND
2013-02-272786132ND
2013-02-272786172ND
2013-02-272786190ND
2013-02-272786163ND
2013-02-272786150ND
2013-04-092806663ND
2013-04-092806661ND
2013-08-062872170ND
2013-08-062871836ND
2013-08-062871832ND
2013-08-062871844ND
2013-08-062871840ND
2013-08-062872145ND
2013-08-072873004ND
2013-08-072872995ND
2013-08-072872986ND
2013-08-072873048ND
2013-08-072873013ND
2013-08-072872977ND