Perfluorononanoic acid (PFNA)
Quint-mar Water Authority
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 | ND | 12 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
| 2024 | ND | 11 | 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 |
|---|---|---|
| 2020-03-27 | 20148311002_PFAS | ND |
| 2020-03-27 | 20148311003_PFAS | ND |
| 2020-03-27 | 20148311004_PFAS | ND |
| 2020-03-27 | 20148311005_PFAS | ND |
| 2020-03-27 | 20148311006_PFAS | ND |
| 2020-03-27 | 20148311001_PFAS | ND |
| 2020-10-20 | 20176512006_PFAS | ND |
| 2020-10-20 | 20176512005_PFAS | ND |
| 2020-10-20 | 20176512004_PFAS | ND |
| 2020-10-20 | 20176512003_PFAS | ND |
| 2020-10-20 | 20176512002_PFAS | ND |
| 2020-10-20 | 20176512001_PFAS | ND |
| 2024-02-06 | 113710P | ND |
| 2024-02-06 | 113711P | ND |
| 2024-02-06 | 113713P | ND |
| 2024-02-06 | 113715P | ND |
| 2024-03-18 | 115177R | ND |
| 2024-08-06 | 119362P | ND |
| 2024-08-06 | 119363P | ND |
| 2024-08-06 | 119364P | ND |
| 2024-08-06 | 119365P | ND |
| 2024-08-06 | 119366P | ND |
| 2024-08-06 | 119367P | ND |