Know Your Environment. Protect Your Health.

Hexafluoropropylene oxide dimer acid (HFPO-DA)

Arlington Water Department

NOTE: Arlington Water Department purchases water from SNO PUD 1 - Lake Stevens which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by SNO PUD 1 - Lake Stevens.

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.

 

6

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
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND100ND

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: Arlington Water Department purchases water from SNO PUD 1 - Lake Stevens which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by SNO PUD 1 - Lake Stevens.

Date Lab ID Result
2023-08-094502208ND
2023-08-094502210ND
2024-01-09MEA0329-01ND
2024-04-09MED0405-01ND
2024-04-09MED0405-02ND
2024-07-12MEG0451-01ND