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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Aqua Pa Hatboro

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

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND170ND
2015ND20ND
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
2014-06-25AE38142ND
2014-06-25AE38128ND
2014-06-25AE38125ND
2014-06-25AE38122ND
2014-06-25AE38134ND
2014-06-25AE38131ND
2014-06-25AE38140ND
2014-06-25AE38137ND
2014-09-25AE50180ND
2014-09-25AE50183ND
2014-12-17AE60645ND
2014-12-17AE60648ND
2014-12-17AE60345ND
2014-12-17AE60351ND
2014-12-17AE60636ND
2014-12-17AE60639ND
2014-12-17AE60642ND
2015-03-18AE68968ND
2015-03-18AE68976ND