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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Windermere Community

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
2014ND80ND
2015ND160ND
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
2014-02-20Q1405512003ND
2014-02-20Q1405512001ND
2014-06-19Q1422172001ND
2014-06-19Q1422172003ND
2014-08-25Q1438950001ND
2014-08-25Q1438950003ND
2014-11-17Q1456033003ND
2014-11-17Q1456033001ND
2015-02-24Q1507007007ND
2015-02-24Q1507007003ND
2015-02-24Q1507007011ND
2015-02-24Q1507007013ND
2015-02-24Q1507007009ND
2015-02-24Q1507007005ND
2015-02-24Q1507007001ND
2015-05-27Q1519169001ND
2015-08-31Q1533383013ND
2015-08-31Q1533383007ND
2015-08-31Q1533383005ND
2015-08-31Q1533383003ND
2015-08-31Q1533383011ND
2015-08-31Q1533383009ND
2015-08-31Q1533383001ND
2015-11-19Q1545795001ND