Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Baldwin, Village of

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.

 

47

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND170ND
2021ND100ND
2022ND80ND
2023ND40ND

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
2018-09-19GWNT1809190910KERND
2018-09-19GWNT1809190950KERND
2018-09-19GWNT1809190940KERND
2018-09-19GWNT1809190920KERND
2019-04-01GWNT1904011300GGAND
2019-06-24GWNT1906240940MKND
2019-09-20GWNT1909201100MKND
2019-12-17GWNT1912171000GGAND
2020-06-30GWNT2006301300GGAND
2020-10-07ND
2020-10-07GWNT2010070910MKND
2020-10-07ND
2020-10-07ND
2020-10-07ND
2020-10-07ND
2020-10-07GWNT2010070915MKND
2020-10-07GWNT2010070930MKND
2020-10-07LJ27914 PFASND
2020-10-07LJ27915 PFASND
2020-10-07LJ27933 PFASND
2020-10-07LJ27916 PFASND
2020-10-07LJ27935 PFASND
2020-12-14ND
2020-12-14LJ38760 PFASND
2020-12-14GWNT2012140940KEMND
2021-02-102102439-5 PFASND
2021-02-102102439-1 PFASND
2021-02-102102439-2 PFASND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-102102439-3 FPASND
2021-06-02ND
2021-06-022106150 PFASND
2022-05-04220528903 PFASND
2022-05-04220528905 PFASND
2022-05-04220528907 PFASND
2022-05-04220528901 PFASND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2023-06-07ND
2023-06-07ND
2023-06-07ND
2023-06-07ND