Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA)
Status: No national drinking water standard exists
Perfluoro(3,5,7,9-tetraoxadecanoic) acid (PFO4DA) is a member of a group of perfluorinated chemicals used in many consumer products. PFO4DA 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.
Health concerns for PFO4DA
Cancer
Harm to the immune system
Hormone disruption
Harm to fetal growth and child development
Harm to the liver
State and national drinking water standards and health guidelines
EWG Health Guideline 1 ppt
The EWG Health Guideline of 1 ppt for PFO4DA was defined by EWG as based on studies by Phillipe Grandjean of Harvard University and many other independent researchers who found reduced effectiveness of vaccines and adverse impacts on mammary gland development from exposure to PFOA and PFOS, the two PFAS most widely detected in drinking water. This health guideline protects against applies to the entire class of PFAS detected in water.
ppt = parts per trillion
States reporting PFO4DA in drinking water
UTILITIES WITH CONTAMINATION | |||
---|---|---|---|
State | Utilities | People Served | |
North Carolina | 2 | 153,292 |
Filtering technologies that reduce PFO4DA
Activated Carbon
Reverse Osmosis
Utilities with the highest amounts of PFO4DA, 2017-2019
Utility | Location | Tests | Average level | People served |
---|---|---|---|---|
College View Mobile Home Park | Wilmington, NC | 1 of 4 | 0.505 ppt | 90 |
Cape Fear Public Utility Authority - Wilmington | Wilmington, NC | 2 of 11 | 0.386 ppt | 153,202 |
Utility | Location | Tests | Average level | People served |
---|---|---|---|---|
Cape Fear Public Utility Authority - Wilmington | Wilmington, NC | 2 of 11 | 0.386 ppt | 153,202 |