Perfluorononanoic acid (PFNA)
Fort Plain
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 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 0 | ND |
| 2022 | 0.129 ppt | 11 | 3 | ND - 0.530 ppt |
| 2023 | ND | 5 | 0 | ND |
| 2024 | ND | 2 | 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 |
|---|---|---|
| 2021-02-12 | EHS2100021953-PFOA | ND |
| 2021-02-12 | EHS2100021954-PFOA | ND |
| 2022-02-28 | JH2201523-PFO/A | ND |
| 2022-03-07 | JH2201733-PFOA/S | 0.460 ppt |
| 2022-03-07 | JH2201734-PFOA/S | ND |
| 2022-05-02 | JH2203200-PFOA/S | 0.530 ppt |
| 2022-05-02 | JH2203202-PFOA/S | ND |
| 2022-05-02 | JH2203201-PFOA/S | ND |
| 2022-08-01 | JH2206104-PFAS | ND |
| 2022-08-01 | JH2206102-PFAS | ND |
| 2022-08-01 | JH2206103-PFAS | ND |
| 2022-11-07 | JH2209519-PFAS | ND |
| 2022-11-07 | JH2209520-PFAS | 0.430 ppt |
| 2023-03-06 | JH2301683-PFAS | ND |
| 2023-04-17 | JH2302706-PFAS | ND |
| 2023-09-14 | JH2308001-PFAS | ND |
| 2023-11-21 | JH2308986-PFAS | ND |
| 2023-11-21 | JH2308987-PFAS | ND |
| 2024-07-30 | 120283R | ND |
| 2024-08-14 | 119939P | ND |