Know Your Environment. Protect Your Health.

Perfluoroheptane sulfonic acid (PFHpS)

Scio Township

NOTE: Scio Township purchases water from Ann Arbor which is required to test for perfluoroheptane sulfonic acid (pfhps). Sample information shown below was taken by Ann Arbor.

Perfluoroheptane sulfonic acid (PFHpS) is a member of a group of perfluorinated chemicals used in many consumer products. PFHpS 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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND70ND
2020N/A00N/A
2021ND100ND
2022N/A00N/A
2023ND40ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.001 ppt

The EWG Health Guideline of 0.001 ppt for PFHpS was defined by EPA's recommended application of the PFHxS toxicity value published in the Integrated Risk Information System's toxicological review. This health guideline protects against harm to the developing immune system.

ppt = parts per trillion

All test results

NOTE: Scio Township purchases water from Ann Arbor which is required to test for perfluoroheptane sulfonic acid (pfhps). Sample information shown below was taken by Ann Arbor.

Date Lab ID Result
2018-07-17SWIN1807171555GSCND
2018-07-17SWEF1807171545GSCND
2019-04-30SWIN1904300900GSCND
2019-04-30SWEF1904300905GSCND
2019-05-29GWIN1905291120MKND
2019-07-29SWIN1907291115MKND
2019-08-26SWIN1908261455GSCND
2019-09-23SWIN1909231540GSCND
2019-12-16SWIN1912161040KMEND
2021-01-20SWIN2101201405RGND
2021-01-20SWIN2101201410RGND
2021-03-08SWIN2103081140SKND
2021-03-08SWIN2103081145SKND
2021-05-12SWIN2105120905GSCND
2021-05-12SWIN2105120900GSCND
2021-07-16SWIN2107160820GGAND
2021-07-16SWIN2107160800GGAND
2021-09-17SWIN2109170850GGAND
2021-09-17SWIN2109170830GGAND
2023-03-16810-56850-1ND
2023-06-07810-65663-1ND
2023-09-13810-77662-1ND
2023-12-18810-88353-1ND