Perfluorononanoic acid (PFNA)
Canada Woods Water Company
Perfluorononanoic acid, otherwise known as PFNA or C9, is a PFC similar in function and use to PFOA. These chemicals were used in the production of non-stick, stain repellent and chemically inert coatings. Click here to read more about perfluorinated chemicals.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 12 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
| 2024 | ND | 3 | 0 | ND |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.006 ppt
The EWG Health Guideline of 6 ppt for perfluorononanoic acid was defined by EPA recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review . This health guideline harm to the immune system and harm to fetal growth and child development.
EPA Maximum Contaminant
Level (MCL): 10 ppt
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-05-30 | CA2702588_008_008-201905301312 | ND |
| 2019-08-13 | CA2702588_008_008-201908131140 | ND |
| 2019-11-12 | CA2702588_008_008-201911121103 | ND |
| 2020-02-25 | CA2702588_008_008-202002251010 | ND |
| 2021-04-20 | CA2702588_029_029-202104201130 | ND |
| 2021-04-20 | CA2702588_027_027-202104201030 | ND |
| 2021-04-20 | CA2702588_010_010-202104201050 | ND |
| 2021-04-20 | CA2702588_028_028-202104201020 | ND |
| 2021-11-03 | CA2702588_010_010-202111031210 | ND |
| 2021-11-03 | CA2702588_028_028-202111031145 | ND |
| 2021-11-03 | CA2702588_029_029-202111031225 | ND |
| 2021-11-03 | CA2702588_027_027-202111031155 | ND |
| 2022-02-03 | CA2702588_010_010-202202030947 | ND |
| 2022-02-03 | CA2702588_028_028-202202030910 | ND |
| 2022-02-03 | CA2702588_029_029-202202031001 | ND |
| 2022-02-03 | CA2702588_027_027-202202030925 | ND |
| 2022-05-05 | CA2702588_028_028-202205050930 | ND |
| 2022-05-05 | CA2702588_010_010-202205050955 | ND |
| 2022-05-05 | CA2702588_029_029-202205051010 | ND |
| 2022-05-05 | CA2702588_027_027-202205050940 | ND |
| 2022-08-25 | CA2702588_010_010-202208251000 | ND |
| 2022-08-25 | CA2702588_027_027-202208250938 | ND |
| 2022-08-25 | CA2702588_028_028-202208250918 | ND |
| 2022-08-25 | CA2702588_029_029-202208251018 | ND |
| 2024-01-09 | 111643P | ND |
| 2024-04-09 | 115295P | ND |
| 2024-07-16 | 118343P | ND |