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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

Quakertown Boro

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

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND320ND
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
2014-06-172013088022ND
2014-06-172013088020ND
2014-06-172013088025ND
2014-06-172013088030ND
2014-06-172013088006ND
2014-06-172013088035ND
2014-06-172013088027ND
2014-06-172013088011ND
2014-06-172013088001ND
2014-06-172013088008ND
2014-06-172013088032ND
2014-06-172013088037ND
2014-06-172013088003ND
2014-06-172013088013ND
2014-06-172013088017ND
2014-08-182024188001ND
2014-12-092044025018ND
2014-12-092044025011ND
2014-12-092044025016ND
2014-12-092044025006ND
2014-12-092044025001ND
2014-12-092044025008ND
2014-12-092044025013ND
2014-12-092044025003ND
2014-12-112044675011ND
2014-12-112044675001ND
2014-12-112044675016ND
2014-12-112044675006ND
2014-12-112044675003ND
2014-12-112044675018ND
2014-12-112044675013ND
2014-12-112044675008ND