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EWG's Tap Water Database — 2021 UPDATE

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Perfluorobutane sulfonate (PFBS)

Bertie County Regional Water

Perfluorobutane sulfonate (PFBS) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

MORE ABOUT THIS CONTAMINANT

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND220ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND10ND

ppt = parts per trillion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppt

The EWG Health Guideline of 1 ppt for perfluorobutane sulfonate was defined by EWG based on studies by Phillipe Grandjean of Harvard University and many other independent researchers who found reduced effectiveness of vaccines and adverse impacts on mammary gland development from exposure to PFOA and PFOS, the two PFAS most widely detected in drinking water. This health guideline applies to the entire class of PFAS detected in water.

ppt = parts per trillion

All test results

Date Lab ID Result
2014-03-112990280ND
2014-03-112990323ND
2014-03-172993713ND
2014-03-172993460ND
2014-03-172993514ND
2014-03-182993839ND
2014-03-182993783ND
2014-03-182993438ND
2014-03-192994693ND
2014-03-192994865ND
2014-03-192994639ND
2014-09-173106401ND
2014-09-173106679ND
2014-09-173106728ND
2014-09-183107529ND
2014-09-183107909ND
2014-09-183107745ND
2014-09-183107487ND
2014-09-183107510ND
2014-09-183107788ND
2014-09-183107538ND
2014-09-183107548ND
2019-08-20ND