6:2 Fluorotelomer Sulfonic Acid (6:2 FTSA)
Status: No national drinking water standard exists
6:2 Fluorotelomer Sulfonic Acid (6:2 FTSA) is a member of a class of chemicals called per- and polyfluoroalkyl substances or PFAS. These chemicals were used in the production of non-stick, stain repellent and chemically inert coatings. Click here to read more about perfluorinated chemicals.
Health concerns for 6:2 fluorotelomer sulfonic acid (6:2 FTSA)
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 6:2 fluorotelomer sulfonic acid (6:2 FTSA) was defined by EWG 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 6:2 fluorotelomer sulfonic acid (6:2 FTSA) in drinking water
UTILITIES WITH CONTAMINATION | |||
---|---|---|---|
State | Utilities | People Served | |
North Carolina | 12 | 198,073 | |
New Hampshire | 1 | 112 |
Filtering technologies that reduce 6:2 fluorotelomer sulfonic acid (6:2 FTSA)
Activated Carbon
Reverse Osmosis
Utilities with the highest amounts of 6:2 fluorotelomer sulfonic acid (6:2 FTSA) , 2017-2019
Utility | Location | Tests | Average level | People served |
---|---|---|---|---|
Brevard, City of | Brevard, NC | 1 of 1 | 12.6 ppt | 10,686 |
Martin County Water & Sewer District I | Williamston, NC | 1 of 1 | 9.00 ppt | 2,205 |
Harrisburg* | Harrisburg, NC | 1 of 1 | 3.90 ppt | 17,127 |
Freedom Pond | New Ipswich, NH | 1 of 1 | 2.53 ppt | 112 |
Neuse Regional Water and Sewer Authority* | La Grange, NC | 1 of 1 | 1.80 ppt | 93,238 |
Edenton, Town of | Edenton, NC | 1 of 1 | 1.10 ppt | 5,500 |
Ahoskie, Town of | Ahoskie, NC | 1 of 1 | 1.10 ppt | 5,479 |
Tyrrell County Water | Columbia, NC | 1 of 1 | 1.10 ppt | 3,177 |
Cabot Preserve | Merrimack, NH | 5 of 159 | 0.601 ppt | 955 |
Merrimack Village District* | Merrimack, NH | 5 of 159 | 0.601 ppt | 25,000 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report 6:2 Fluorotelomer Sulfonic Acid (6:2 FTSA) , but it likely has the contaminant in its water supply.
Utility | Location | Tests | Average level | People served |
---|---|---|---|---|
Brevard, City of | Brevard, NC | 1 of 1 | 12.6 ppt | 10,686 |
Harrisburg* | Harrisburg, NC | 1 of 1 | 3.90 ppt | 17,127 |
Neuse Regional Water and Sewer Authority* | La Grange, NC | 1 of 1 | 1.80 ppt | 93,238 |
Merrimack Village District* | Merrimack, NH | 5 of 159 | 0.601 ppt | 25,000 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report 6:2 Fluorotelomer Sulfonic Acid (6:2 FTSA) , but it likely has the contaminant in its water supply.