Perfluorononanoic acid (PFNA)
Shakopee
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 |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 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 | ND | 15 | 0 | ND |
| 2022 | ND | 34 | 0 | ND |
| 2023 | ND | 25 | 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 |
|---|---|---|
| 2014-10-22 | K1412093-003 | ND |
| 2014-10-22 | K1412093-007 | ND |
| 2014-10-22 | K1412093-001 | ND |
| 2014-10-22 | K1412093-005 | ND |
| 2014-12-09 | K1413969-001 | ND |
| 2015-04-21 | K1504292-005 | ND |
| 2015-04-21 | K1504292-001 | ND |
| 2015-04-21 | K1504292-007 | ND |
| 2015-04-21 | K1504292-009 | ND |
| 2015-04-21 | K1504292-003 | ND |
| 2021-09-08 | 21I0356-02 | ND |
| 2021-09-08 | 21I0356-15 | ND |
| 2021-09-08 | 21I0356-14 | ND |
| 2021-09-08 | 21I0356-12 | ND |
| 2021-09-08 | 21I0356-01 | ND |
| 2021-09-08 | 21I0356-03 | ND |
| 2021-09-08 | 21I0356-04 | ND |
| 2021-09-08 | 21I0356-05 | ND |
| 2021-09-08 | 21I0356-06 | ND |
| 2021-09-08 | 21I0356-07 | ND |
| 2021-09-08 | 21I0356-08 | ND |
| 2021-09-08 | 21I0356-09 | ND |
| 2021-09-08 | 21I0356-10 | ND |
| 2021-09-08 | 21I0356-11 | ND |
| 2021-09-08 | 21I0356-13 | ND |
| 2022-07-25 | 22G1843-02 | ND |
| 2022-08-17 | 22H1599-10 | ND |
| 2022-08-17 | 22H1599-01 | ND |
| 2022-08-17 | 22H1599-02 | ND |
| 2022-08-17 | 22H1599-03 | ND |
| 2022-08-17 | 22H1599-04 | ND |
| 2022-08-17 | 22H1599-05 | ND |
| 2022-08-17 | 22H1599-06 | ND |
| 2022-08-17 | 22H1599-07 | ND |
| 2022-08-17 | 22H1599-08 | ND |
| 2022-08-17 | 22H1599-09 | ND |
| 2022-08-17 | 22H1599-11 | ND |
| 2022-08-17 | 22H1599-12 | ND |
| 2022-08-17 | 22H1599-13 | ND |
| 2022-08-17 | 22H1599-14 | ND |
| 2022-08-17 | 22H1599-15 | ND |
| 2022-08-17 | 22H1599-16 | ND |
| 2022-10-10 | 22J0335-05 | ND |
| 2022-10-10 | 22J0335-01 | ND |
| 2022-10-10 | 22J0335-02 | ND |
| 2022-10-10 | 22J0335-03 | ND |
| 2022-10-10 | 22J0335-18 | ND |
| 2022-10-10 | 22J0335-16 | ND |
| 2022-10-10 | 22J0335-04 | ND |
| 2022-10-10 | 22J0335-06 | ND |
| 2022-10-10 | 22J0335-07 | ND |
| 2022-10-10 | 22J0335-08 | ND |
| 2022-10-10 | 22J0335-09 | ND |
| 2022-10-10 | 22J0335-10 | ND |
| 2022-10-10 | 22J0335-12 | ND |
| 2022-10-10 | 22J0335-13 | ND |
| 2022-10-10 | 22J0335-14 | ND |
| 2022-10-10 | 22J0335-15 | ND |
| 2022-10-10 | 22J0335-17 | ND |
| 2023-01-10 | 23A0219-01 | ND |
| 2023-01-10 | 23A0219-02 | ND |
| 2023-01-10 | 23A0219-03 | ND |
| 2023-01-10 | 23A0219-04 | ND |
| 2023-01-10 | 23A0219-05 | ND |
| 2023-01-10 | 23A0219-06 | ND |
| 2023-01-10 | 23A0219-07 | ND |
| 2023-05-24 | 23E2661-04 | ND |
| 2023-05-24 | 23E2661-01 | ND |
| 2023-05-24 | 23E2661-02 | ND |
| 2023-05-24 | 23E2661-09 | ND |
| 2023-05-24 | 23E2661-08 | ND |
| 2023-05-24 | 23E2661-07 | ND |
| 2023-05-24 | 23E2661-06 | ND |
| 2023-05-24 | 23E2661-05 | ND |
| 2023-05-24 | 23E2661-03 | ND |
| 2023-08-16 | 23H1896-05 | ND |
| 2023-08-16 | 23H1896-06 | ND |
| 2023-08-16 | 23H1896-07 | ND |
| 2023-08-16 | 23H1896-08 | ND |
| 2023-08-16 | 23H1896-09 | ND |
| 2023-08-16 | 23H1896-04 | ND |
| 2023-08-16 | 23H1896-03 | ND |
| 2023-08-16 | 23H1896-02 | ND |
| 2023-08-16 | 23H1896-01 | ND |