Perfluorononanoic acid (PFNA)
Berlin Water District # 2
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 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 38 | 0 | ND |
| 2022 | ND | 12 | 0 | ND |
| 2023 | ND | 21 | 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 |
|---|---|---|
| 2021-04-14 | 320-72491-2 | ND |
| 2021-04-14 | 320-72491-1 | ND |
| 2021-04-14 | 320-72491-3-1A | ND |
| 2021-04-14 | 320-72491-3 | ND |
| 2021-04-14 | 320-72491-8-MID2B | ND |
| 2021-04-14 | 320-72491-7-MID2A | ND |
| 2021-04-14 | 320-72491-6-POST1 | ND |
| 2021-04-14 | 320-72491-5-MID1B | ND |
| 2021-04-14 | 320-72491-9-POST2 | ND |
| 2021-05-17 | PB0158051721PRE-WEST | ND |
| 2021-05-17 | PB0158051721POST2 | ND |
| 2021-05-17 | PB0158051721MID2A | ND |
| 2021-05-17 | PB0158051721MID1B | ND |
| 2021-05-17 | PB0158051721PRE-NORT | ND |
| 2021-05-17 | PB0158051721POST1 | ND |
| 2021-05-17 | PB0158051721MID1A | ND |
| 2021-05-17 | PB0158051721PRE-SOUT | ND |
| 2021-05-17 | PB0158051721MID2B | ND |
| 2021-06-18 | 320-75166-3 | ND |
| 2021-06-18 | 320-75166-1 | ND |
| 2021-06-18 | 320-75166-2 | ND |
| 2021-06-18 | 320-75166-5-1B | ND |
| 2021-06-18 | 320-75166-6-P1 | ND |
| 2021-06-18 | 320-75166-72A | ND |
| 2021-06-18 | 320-75166-8-2B | ND |
| 2021-06-18 | 320-75166-4-1A | ND |
| 2021-06-18 | 320-75166-9-P2 | ND |
| 2021-07-16 | PB0158071621POST2 | ND |
| 2021-07-16 | PB0158071621PRENORTH | ND |
| 2021-07-16 | PB0158071621PRESOUTH | ND |
| 2021-07-16 | PB0158071621POST1 | ND |
| 2021-07-16 | PB0158071621PREWEST | ND |
| 2021-08-16 | PB0158081621PRESOUTH | ND |
| 2021-08-16 | PB0158081621PREWEST | ND |
| 2021-08-16 | PB0158081621PRENORTH | ND |
| 2021-09-14 | PB0158091421PREWEST | ND |
| 2021-09-14 | PB0158091421PRESOUTH | ND |
| 2021-09-14 | PB0158091421PRENORTH | ND |
| 2022-09-16 | 22I1076-01 | ND |
| 2022-09-16 | 2211076-05 | ND |
| 2022-09-16 | 2211076-02 | ND |
| 2022-09-16 | 2211076-03 | ND |
| 2022-12-13 | PB0158121322 | ND |
| 2022-12-13 | PB0158121322-N | ND |
| 2022-12-13 | PB0158121322-W | ND |
| 2022-12-13 | PB0158121322WEST1 | ND |
| 2022-12-13 | PB0158121322POST1 | ND |
| 2022-12-13 | PB0158121322POST2 | ND |
| 2022-12-13 | PB0158121322NORTH1 | ND |
| 2022-12-13 | PB0158121322SOUTH1 | ND |
| 2023-03-27 | 200-67488-10 | ND |
| 2023-03-27 | 200-67488-9 | ND |
| 2023-03-27 | 200-67488-16-MID2B | ND |
| 2023-03-27 | 200-67488-12MID1A | ND |
| 2023-03-27 | 200-67488-10 | ND |
| 2023-03-27 | 200-67488-15-MID2A | ND |
| 2023-03-27 | 200-67488-16-MID2B | ND |
| 2023-03-27 | 200-67488-POST | ND |
| 2023-03-27 | 200-67488-11 | ND |
| 2023-03-27 | 200-67488-9 | ND |
| 2023-03-27 | 200-67488-13-MID1B | ND |
| 2023-03-27 | 200-67488-15-MID2A | ND |
| 2023-03-27 | 200-67488-11 | ND |
| 2023-03-27 | 200-67488-12MID1A | ND |
| 2023-03-27 | 200-67488-13-MID1B | ND |
| 2023-08-17 | PB0158081723PRE-S | ND |
| 2023-08-17 | PB0158081723PRE-N | ND |
| 2023-08-17 | PB0158081723PRE-W | ND |
| 2023-11-29 | PB0158112923PRE-NORT | ND |
| 2023-11-29 | PB0158112923PRE-SOUT | ND |
| 2023-11-29 | PB0158112923PRE-WEST | ND |