Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Pawc Pocono District

Perfluorooctane sulfonate (PFOS) 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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND180ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
20203.80 ppt113.80 ppt
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppt

The EWG Health Guideline of 0.3 ppt for PFOS was defined by EPA's final toxicity value from the Office of Water’s Final Human Health Toxicity Assessment. This health guideline protects againat cardiovascular harm and harm to fetal growth.

EPA Maximum Contaminant
Level (MCL): 4 ppt

ppt = parts per trillion

All test results

Date Lab ID Result
2013-06-0322237101ND
2013-06-0322236901ND
2013-06-0322232501ND
2013-06-0322231701ND
2013-06-0422232301ND
2013-06-0422232101ND
2013-06-0422236701ND
2013-06-0422231901ND
2013-06-0422230601ND
2013-12-0224114001ND
2013-12-0224114801ND
2013-12-0224115001ND
2013-12-0224115401ND
2013-12-0224115201ND
2013-12-0324114201ND
2013-12-0324112901ND
2013-12-0324114401ND
2013-12-0324114601ND
2020-09-243.80 ppt