Know Your Environment. Protect Your Health.

Hexafluoropropylene oxide dimer acid (HFPO-DA)

Polk City Water Supply

NOTE: Polk City Water Supply purchases water from Des Moines Water Works which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by Des Moines Water Works.

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.

 

12

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
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: Polk City Water Supply purchases water from Des Moines Water Works which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by Des Moines Water Works.

Date Lab ID Result
2023-02-142242290ND
2023-02-142242288ND
2023-03-212256435ND
2023-05-092278162ND
2023-05-092278206ND
2023-05-102278900ND
2023-08-152322915ND
2023-08-152322914ND
2023-08-162323619ND
2023-11-142363581ND
2023-11-142363598ND
2023-11-142363579ND