Perfluorononanoic acid (PFNA)
Aqua NJ - Woolwich
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 | 1.35 ppt | 6 | 1 | ND - 8.10 ppt |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
| 2024 | ND | 5 | 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 |
|---|---|---|
| 2019-02-04 | AG08055 | ND |
| 2019-04-01 | AG13140 | ND |
| 2019-09-12 | AG32668 | ND |
| 2019-10-15 | AG36179 | ND |
| 2020-02-17 | AG48846 | ND |
| 2021-03-19 | AG86899 | ND |
| 2022-03-07 | AH24556 | ND |
| 2023-01-09 | AH59013 | ND |
| 2024-01-15 | 112157P | ND |
| 2024-01-15 | 112158P | ND |
| 2024-04-17 | 115638P | ND |
| 2024-07-24 | 118878P | ND |
| 2024-08-13 | 120483R | ND |