Perfluorononanoic acid (PFNA)
NJ American Water - Twin Lakes
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 | ND | 3 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-02-26 | 38710201 | ND |
| 2018-08-13 | 40729501 | ND |
| 2018-11-13 | 42056101 | ND |
| 2019-02-13 | 43034101 | ND |
| 2019-05-06 | 44230901 | ND |
| 2019-08-14 | 45892601 | ND |
| 2019-11-14 | 47239301 | ND |
| 2020-02-12 | 48540201 | ND |
| 2020-05-05 | 49977201 | ND |
| 2020-08-13 | 51388501 | ND |
| 2020-11-10 | 52497401 | ND |
| 2021-02-10 | 53400501 | ND |
| 2021-04-29 | 54355801 | ND |
| 2021-08-12 | 55748501 | ND |
| 2021-11-01 | 56678501 | ND |
| 2022-02-10 | 57759001 | ND |
| 2022-05-11 | 58518301 | ND |
| 2022-08-11 | 59880301 | ND |
| 2022-11-07 | 60827401 | ND |