Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Blissfield

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.

 

41

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20181.33 ppt31ND - 4.00 ppt
2019ND240ND
2020ND10ND
2021ND70ND
2022ND20ND
2023ND10ND
2024ND30ND

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
2018-08-02SWIN1808021125GSC4.00 ppt
2018-08-02SWEF1808021115GSCND
2018-08-02SWEF1808021115GSCND
2019-04-29SWEF1904291120GSCND
2019-04-29SWEF1904291120GSCND
2019-04-29SWIN1904291110GSCND
2019-05-28SWIN1905281305MKND
2019-05-28SWEF1905281300MKND
2019-06-24SWIN1906241130KERND
2019-06-24SWEF1906241120KERND
2019-07-29SWIN1907291405MKND
2019-07-29SWEF1907291410MKND
2019-08-26SWEF1908261110GSCND
2019-08-26SWIN1908261105GSCND
2019-09-03SWEF1909031730KMEND
2019-09-04SWEF1909041125KMEND
2019-09-04LLI61276ND
2019-09-05SWEF1909051200KMEND
2019-09-05LLI61842ND
2019-09-06SWEF1909061120KMEND
2019-09-06LLI62222ND
2019-09-17LLI64737ND
2019-09-23SWIN1909231050GSCND
2019-09-23SWEF1909231055GSCND
2019-09-23LLI66383ND
2019-10-02LLI68878ND
2019-10-09LLI70107ND
2020-11-09LJ32711ND
2021-01-22SWIN2101221030RGND
2021-03-11SWIN2103111025SKND
2021-05-10SWIN2105101030GSCND
2021-07-13LJ66503ND
2021-07-13ND
2021-07-16SWIN2107161030GGAND
2021-09-17SWIN2109171300GGAND
2022-06-14ND
2022-06-14LK16943ND
2023-05-30ND
2024-01-16112008PND
2024-04-15115510PND
2024-07-16118265PND