Perfluorononanoic acid (PFNA)
Lakehaven Utility District
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 | N/A | 0 | 0 | N/A |
| 2022 | ND | 25 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
| 2024 | ND | 16 | 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 |
|---|---|---|
| 2022-02-09 | 4267290 | ND |
| 2022-02-09 | 4267279 | ND |
| 2022-02-09 | 4267292 | ND |
| 2022-02-09 | 4267294 | ND |
| 2022-02-09 | 4267293 | ND |
| 2022-02-09 | 4267291 | ND |
| 2022-02-09 | 4267289 | ND |
| 2022-02-09 | 4267287 | ND |
| 2022-02-09 | 4267282 | ND |
| 2022-02-09 | 4267280 | ND |
| 2022-02-09 | 4267278 | ND |
| 2022-02-09 | 4267277 | ND |
| 2022-02-09 | 4267286 | ND |
| 2022-02-09 | 4267284 | ND |
| 2022-02-09 | 4267285 | ND |
| 2022-02-09 | 4267283 | ND |
| 2022-02-09 | 4267288 | ND |
| 2022-02-09 | 4267281 | ND |
| 2022-09-21 | 4356536 | ND |
| 2022-09-21 | 4356534 | ND |
| 2022-09-21 | 4356539 | ND |
| 2022-09-21 | 4356535 | ND |
| 2022-09-21 | 4356538 | ND |
| 2022-09-21 | 4356537 | ND |
| 2022-09-21 | 4356533 | ND |
| 2024-07-17 | 380-104804-16 | ND |
| 2024-07-17 | 380-104804-15 | ND |
| 2024-07-17 | 380-104804-14 | ND |
| 2024-07-17 | 380-104804-13 | ND |
| 2024-07-17 | 380-104804-12 | ND |
| 2024-07-17 | 380-104804-11 | ND |
| 2024-07-17 | 380-104804-10 | ND |
| 2024-07-17 | 380-104804-9 | ND |
| 2024-07-17 | 380-104804-8 | ND |
| 2024-07-17 | 380-104804-7 | ND |
| 2024-07-17 | 380-104804-6 | ND |
| 2024-07-17 | 380-104804-5 | ND |
| 2024-07-17 | 380-104804-4 | ND |
| 2024-07-17 | 380-104804-3 | ND |
| 2024-07-17 | 380-104804-2 | ND |
| 2024-07-17 | 380-104804-1 | ND |