Know Your Environment. Protect Your Health.

Hexafluoropropylene oxide dimer acid (HFPO-DA)

City of Primera

NOTE: City of Primera purchases water from Harlingen Water Works System which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by Harlingen Water Works 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.

 

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
2023ND40ND
2024ND40ND

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: City of Primera purchases water from Harlingen Water Works System which is required to test for hexafluoropropylene oxide dimer acid (hfpo-da). Sample information shown below was taken by Harlingen Water Works System.

Date Lab ID Result
2023-08-14Q2333596001ND
2023-08-14Q2333596003ND
2023-11-07Q2347771001ND
2023-11-07Q2347771003ND
2024-02-06Q2405959001ND
2024-02-06Q2405959003ND
2024-05-15Q2421097001ND
2024-06-26Q2427556001ND