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EWG's Tap Water Database — 2021 UPDATE

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Cobalt

State College Boro Water Auth.

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
2014ND240ND
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
2014-03-10201403120515AMND
2014-03-10201403120585AMND
2014-03-10201403120436AMND
2014-03-10201403120390AMND
2014-03-10201403120470AMND
2014-03-11201403130389AMND
2014-03-11201403130197AMND
2014-03-11201403130418AMND
2014-03-11201403130410AMND
2014-03-11201403130337AMND
2014-06-26201406270390AMND
2014-06-26201406270392AMND
2014-09-06201409180693AMND
2014-09-15201409180342AMND
2014-09-15201409170861AMND
2014-09-15201409170857AMND
2014-09-15201409170798AMND
2014-09-15201409180337AMND
2014-09-16201409180741AMND
2014-09-16201409180570AMND
2014-09-16201409180704AMND
2014-09-16201409180563AMND
2014-12-08201412090288AMND
2014-12-08201412090765AMND