Know Your Environment. Protect Your Health.

Hexafluoropropylene oxide dimer acid (HFPO-DA)

Cws-split Mountain Water System

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.

 

11

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
2021N/A00N/A
2022N/A00N/A
2023ND70ND

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
2020-04-07CA1500407_002_002-202004071203ND
2020-04-07CA1500407_007_007-202004070959ND
2020-04-07CA1500407_006_006-202004071355ND
2020-04-07CA1500407_005_005-202004071406ND
2023-02-07CA1500407_007_007-202302071400ND
2023-02-07CA1500407_007_007-202302071400ND
2023-02-07CA1500407_007_007-202302071400ND
2023-09-20CA1500407_006_006-202309200929ND
2023-09-20CA1500407_006_006-202309200925ND
2023-10-12CA1500407_006_006-202310121256ND
2023-12-19CA1500407_006_006-202312191423ND