Perfluorononanoic acid (PFNA)
Aqua NJ - Riegel Ridge
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2019-03-28 | AG12875 | ND |
| 2019-05-15 | AG18017 | ND |
| 2019-06-26 | AG22676 | ND |
| 2019-07-24 | AG25571 | ND |
| 2019-09-12 | AG32114 | ND |
| 2019-11-20 | AG40224 | ND |
| 2020-01-20 | AG46068 | ND |
| 2020-02-05 | AG47614 | ND |
| 2020-03-19 | AG52423 | ND |
| 2020-03-19 | AG52424 | ND |
| 2020-06-05 | AG59834 | ND |
| 2020-09-29 | AG71442 | ND |
| 2020-10-21 | AG74188 | ND |
| 2021-03-09 | AG85852 | ND |
| 2022-01-17 | AH19624 | ND |
| 2022-09-26 | AH48451 | ND |
| 2023-06-06 | AH74550 | ND |