Know Your Environment. Protect Your Health.

Hexafluoropropylene oxide dimer acid (HFPO-DA)

Scio Township

NOTE: Scio Township purchases water from Ann Arbor which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by Ann Arbor.

Hexafluoropropylene oxide dimer acid (HFPO-DA) is a member of a group of perfluorinated chemicals used in many consumer products. HFPO-DA 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.

 

91

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
2019N/A00N/A
2020ND40ND
2021ND280ND
2022ND340ND
2023ND40ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 9 ppt

The EWG Health Guideline of 9 ppt for HFPO-DA was based on the EPA's Human Health toxicity value.This health guideline protects against harm to the liver.

EPA Maximum Contaminant
Level (MCL): 10 ppt

ppt = parts per trillion

All test results

NOTE: Scio Township purchases water from Ann Arbor which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by Ann Arbor.

Date Lab ID Result
2020-06-24GWEF2006241515MKND
2020-10-21SWEF2010211545MKND
2020-11-03502907ND
2020-12-01505103ND
2021-01-20SWIN2101201405RGND
2021-01-20SWIN2101201410RGND
2021-02-02ND
2021-02-02509537ND
2021-03-08SWIN2103081140SKND
2021-03-08SWIN2103081145SKND
2021-05-12SWIN2105120900GSCND
2021-05-12SWIN2105120905GSCND
2021-05-18ND
2021-05-18518561ND
2021-06-104926624ND
2021-06-10ND
2021-07-074947693ND
2021-07-07ND
2021-07-16SWIN2107160820GGAND
2021-07-16SWIN2107160800GGAND
2021-08-034973124ND
2021-08-03ND
2021-09-09810-1691-1ND
2021-09-09ND
2021-09-17SWIN2109170850GGAND
2021-09-17SWIN2109170830GGAND
2021-10-05810-4260-2ND
2021-10-05ND
2021-11-02ND
2021-11-02810-6749-1ND
2021-12-07810-9355-2ND
2021-12-07ND
2022-01-06810-11511-1ND
2022-01-06ND
2022-01-18810-12512-1ND
2022-01-18ND
2022-02-07810-14229-1ND
2022-02-07ND
2022-03-23810-18832-1ND
2022-03-23ND
2022-04-05ND
2022-04-05810-20073-1ND
2022-04-20ND
2022-04-20810-21809-1ND
2022-05-02ND
2022-05-02810-23074-1ND
2022-06-06ND
2022-06-06810-26760-1ND
2022-07-05ND
2022-07-05810-29512-1ND
2022-08-02810-32596-1ND
2022-08-02ND
2022-09-06810-36419-2ND
2022-09-06ND
2022-10-04810-40256-2ND
2022-10-04ND
2022-10-18810-41824-1ND
2022-10-18ND
2022-11-02810-43401-2ND
2022-11-02ND
2022-11-16810-45120-1ND
2022-11-16ND
2022-12-05810-46323-2ND
2022-12-05ND
2022-12-19810-48064-1ND
2022-12-19ND
2023-01-03810-49190-1ND
2023-01-03ND
2023-01-18810-50716-1ND
2023-01-18ND
2023-02-01ND
2023-02-22ND
2023-03-16810-56850-1ND
2023-03-21ND
2023-04-05ND
2023-04-19ND
2023-06-07ND
2023-07-11ND
2023-07-26ND
2023-08-08ND
2023-08-23ND
2023-09-06ND
2023-09-13810-77662-1ND
2023-09-19ND
2023-10-03ND
2023-10-17ND
2023-11-07ND
2023-11-21ND
2023-12-05ND
2023-12-18810-88353-1ND
2023-12-20ND