Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Oakview Leisure Village

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20190.988 ppt81ND - 7.90 ppt
2020N/A00N/A
20214.46 ppt53ND - 10.00 ppt
20227.22 ppt53ND - 14.0 ppt
20232.20 ppt51ND - 11.0 ppt

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
2019-02-194205658ND
2019-02-194205657ND
2019-05-144294626ND
2019-05-144294627ND
2019-08-224397739ND
2019-08-224397741ND
2019-11-064478839ND
2019-11-0644788417.90 ppt
2021-02-22484286710.00 ppt
2021-02-224842869ND
2021-05-114902496ND
2021-08-1049875949.50 ppt
2021-11-01810-6724-12.80 ppt
2022-02-22810-16069-1ND
2022-02-22810-16069-39.10 ppt
2022-05-03810-23797-1ND
2022-08-01810-32976-114.0 ppt
2022-11-08810-44306-113.0 ppt
2023-02-14810-54055-1ND
2023-02-14810-54055-311.0 ppt
2023-05-02810-62151-1ND
2023-08-29810-76184-1ND
2023-11-07810-85142-1ND