Perfluorononanoic acid (PFNA)
Camas Municipal Water Sewer System
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 | 9 | 0 | ND |
| 2023 | ND | 20 | 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 |
|---|---|---|
| 2022-03-22 | 4263639 | ND |
| 2022-03-22 | 4263638 | ND |
| 2022-03-22 | 4263769 | ND |
| 2022-03-22 | 4263768 | ND |
| 2022-08-05 | 4351053 | ND |
| 2022-08-05 | 4351052 | ND |
| 2022-11-09 | 4382965 | ND |
| 2022-11-09 | 4382964 | ND |
| 2022-11-09 | 4382966 | ND |
| 2023-04-04 | VGD0042-09 | ND |
| 2023-04-04 | VGD0042-01 | ND |
| 2023-04-04 | VGD0042-03 | ND |
| 2023-04-04 | VGD0042-05 | ND |
| 2023-04-04 | VGD0042-07 | ND |
| 2023-05-04 | 4478122 | ND |
| 2023-05-04 | 4478124 | ND |
| 2023-05-04 | 4478123 | ND |
| 2023-06-08 | 4482958 | ND |
| 2023-06-13 | 4482959 | ND |
| 2023-06-22 | 4482960 | ND |
| 2023-07-13 | 4494181 | ND |
| 2023-07-13 | 4487991 | ND |
| 2023-07-13 | 4487989 | ND |
| 2023-07-13 | 4494181 | ND |
| 2023-10-25 | VGJ0676-01 | ND |
| 2023-10-25 | VGJ0676-03 | ND |
| 2023-10-25 | VGJ0676-05 | ND |
| 2023-10-25 | VGJ0676-07 | ND |
| 2023-12-05 | 4568321 | ND |