Know Your Environment. Protect Your Health.

Hexafluoropropylene oxide dimer acid (HFPO-DA)

Chambers County Municipal Utility District 1

NOTE: Chambers County Municipal Utility District 1 purchases water from City of Baytown which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by City of Baytown.

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.

 

8

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
2023ND20ND

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: Chambers County Municipal Utility District 1 purchases water from City of Baytown which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by City of Baytown.

Date Lab ID Result
2023-04-19Q2314670001ND
2023-04-19Q2314670003ND
2023-07-20Q2328792001ND
2023-07-20Q2328792003ND
2023-10-23Q2345507001ND
2023-10-23Q2345507003ND
2024-01-23Q2402827001ND
2024-01-23Q2402827003ND