Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Oldmans Creek Campgroun

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND40ND
2020ND10ND
2021ND30ND
2022ND40ND
2023ND20ND

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
2019-01-174177843ND
2019-04-244277184ND
2019-08-1935492684001ND
2019-10-2335507701001ND
2020-01-2710506844001ND
2021-02-1910548461001ND
2021-08-0410573436001ND
2021-11-1510587727001ND
2022-01-1710594670001ND
2022-04-1810604993001ND
2022-09-2610627221001ND
2022-11-0210632253001ND
2023-05-0510652187001ND
2023-09-2510669949001ND