Know Your Environment. Protect Your Health.

Hexafluoropropylene oxide dimer acid (HFPO-DA)

Clare, City of

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.

 

25

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
2021ND80ND
2022ND80ND
2023ND50ND

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

Date Lab ID Result
2020-03-30GWEF2003301055SKND
2020-07-06GWEF2007061105MKND
2020-10-08LJ28033 PFASND
2020-10-08GWEF2010081330GGAND
2021-03-0321C0145-01 PFASND
2021-03-03ND
2021-04-072104443-01 PFASND
2021-04-07ND
2021-07-0721G0309-01 PFASND
2021-07-07ND
2021-10-062110507-01 PFASND
2021-10-06ND
2022-01-1222A0380-305 PFASND
2022-01-12ND
2022-04-13ND
2022-04-132204A21-01 PFASND
2022-07-13ND
2022-07-1322G0784 PFASND
2022-10-05ND
2022-10-0522J0245 PFASND
2023-01-0423A0211-01 PFASND
2023-01-04ND
2023-04-05ND
2023-07-05ND
2023-10-04ND