Perfluorononanoic acid (PFNA)
Devens Massdevelopment
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 | 0.293 ppt | 15 | 2 | ND - 2.20 ppt |
| 2019 | 0.148 ppt | 125 | 8 | ND - 2.73 ppt |
| 2020 | ND | 1 | 0 | ND |
| 2021 | 0.104 ppt | 196 | 10 | ND - 2.30 ppt |
| 2022 | 0.0280 ppt | 171 | 2 | ND - 2.64 ppt |
| 2023 | 0.0320 ppt | 129 | 3 | ND - 1.80 ppt |
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 | Result |
|---|---|
| 2018-02-27 | ND |
| 2018-02-27 | 2.20 ppt |
| 2018-02-27 | 2.20 ppt |
| 2018-05-14 | ND |
| 2018-05-14 | ND |
| 2018-05-14 | ND |
| 2018-05-14 | ND |
| 2018-08-03 | ND |
| 2018-08-03 | ND |
| 2018-08-03 | ND |
| 2018-08-03 | ND |
| 2018-10-25 | ND |
| 2018-10-25 | ND |
| 2018-10-25 | ND |
| 2018-10-25 | ND |
| 2019-02-20 | ND |
| 2019-02-20 | ND |
| 2019-02-20 | ND |
| 2019-02-20 | ND |
| 2019-05-21 | ND |
| 2019-05-21 | ND |
| 2019-05-21 | 2.29 ppt |
| 2019-05-21 | ND |
| 2019-05-21 | ND |
| 2019-08-02 | ND |
| 2019-08-02 | ND |
| 2019-08-02 | ND |
| 2019-08-20 | ND |
| 2019-08-20 | ND |
| 2019-08-20 | ND |
| 2019-08-20 | ND |
| 2019-08-20 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-03 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-09-25 | ND |
| 2019-09-25 | 2.59 ppt |
| 2019-09-25 | ND |
| 2019-09-25 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-02 | ND |
| 2019-10-09 | ND |
| 2019-10-09 | 2.73 ppt |
| 2019-10-09 | ND |
| 2019-10-09 | ND |
| 2019-10-09 | ND |
| 2019-10-09 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-15 | ND |
| 2019-10-23 | ND |
| 2019-10-23 | 2.51 ppt |
| 2019-10-23 | ND |
| 2019-10-23 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-10-30 | ND |
| 2019-11-06 | ND |
| 2019-11-06 | 2.32 ppt |
| 2019-11-06 | ND |
| 2019-11-06 | ND |
| 2019-11-06 | ND |
| 2019-11-06 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-13 | ND |
| 2019-11-20 | ND |
| 2019-11-20 | 1.63 ppt |
| 2019-11-20 | ND |
| 2019-11-20 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-11-25 | ND |
| 2019-12-04 | ND |
| 2019-12-04 | 2.06 ppt |
| 2019-12-04 | ND |
| 2019-12-04 | ND |
| 2019-12-04 | ND |
| 2019-12-04 | ND |
| 2019-12-11 | ND |
| 2019-12-11 | ND |
| 2019-12-11 | ND |
| 2019-12-18 | ND |
| 2019-12-18 | 2.38 ppt |
| 2019-12-18 | ND |
| 2019-12-18 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2019-12-23 | ND |
| 2020-07-14 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | 2.20 ppt |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-01-13 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-03 | 2.26 ppt |
| 2021-02-03 | ND |
| 2021-02-03 | ND |
| 2021-02-17 | ND |
| 2021-02-17 | ND |
| 2021-02-17 | 2.22 ppt |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-02-24 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | 2.06 ppt |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-02 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-10 | ND |
| 2021-03-17 | 1.92 ppt |
| 2021-03-17 | ND |
| 2021-03-17 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-24 | ND |
| 2021-03-31 | 1.66 ppt |
| 2021-03-31 | ND |
| 2021-03-31 | ND |
| 2021-03-31 | ND |
| 2021-03-31 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-08 | ND |
| 2021-04-19 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-02 | ND |
| 2021-06-09 | ND |
| 2021-06-09 | ND |
| 2021-06-09 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-16 | ND |
| 2021-06-23 | ND |
| 2021-06-23 | ND |
| 2021-06-23 | ND |
| 2021-06-23 | ND |
| 2021-06-23 | 1.92 ppt |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | 2.30 ppt |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-07 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-14 | ND |
| 2021-07-21 | 2.08 ppt |
| 2021-07-21 | ND |
| 2021-07-21 | ND |
| 2021-07-21 | ND |
| 2021-07-21 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-07-28 | ND |
| 2021-08-05 | ND |
| 2021-08-05 | ND |
| 2021-08-05 | ND |
| 2021-08-05 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-11 | ND |
| 2021-08-18 | ND |
| 2021-08-18 | ND |
| 2021-08-18 | ND |
| 2021-08-18 | 1.85 ppt |
| 2021-08-18 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-08-25 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-09-08 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-10-06 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-02 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2021-12-08 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | 2.64 ppt |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-05 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-02 | ND |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-09 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-03-16 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-13 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-04-19 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-04 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-16 | ND |
| 2022-05-27 | 2.20 ppt |
| 2022-05-27 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-06-14 | ND |
| 2022-07-13 | ND |
| 2022-07-13 | ND |
| 2022-07-13 | ND |
| 2022-07-13 | ND |
| 2022-07-13 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-03 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-08-18 | ND |
| 2022-09-01 | ND |
| 2022-09-01 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-07 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-10-05 | ND |
| 2022-10-05 | ND |
| 2022-10-05 | ND |
| 2022-10-05 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-10-12 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-02 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-11-10 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2022-12-07 | ND |
| 2023-01-11 | ND |
| 2023-01-11 | 1.80 ppt |
| 2023-01-11 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-01-18 | ND |
| 2023-02-03 | ND |
| 2023-02-03 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-14 | ND |
| 2023-02-24 | ND |
| 2023-02-24 | 0.770 ppt |
| 2023-02-24 | ND |
| 2023-02-24 | ND |
| 2023-02-24 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-01 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-03-08 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-04 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-06 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-19 | ND |
| 2023-04-28 | ND |
| 2023-04-28 | ND |
| 2023-04-28 | 1.62 ppt |
| 2023-05-03 | ND |
| 2023-05-03 | ND |
| 2023-05-03 | ND |
| 2023-05-12 | ND |
| 2023-05-26 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | ND |
| 2023-06-09 | ND |
| 2023-06-23 | ND |
| 2023-07-07 | ND |
| 2023-07-11 | ND |
| 2023-07-11 | ND |
| 2023-07-11 | ND |
| 2023-07-11 | ND |
| 2023-07-18 | ND |
| 2023-07-21 | ND |
| 2023-08-04 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-08 | ND |
| 2023-08-18 | ND |
| 2023-09-01 | ND |
| 2023-09-01 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-19 | ND |
| 2023-09-29 | ND |
| 2023-09-29 | ND |
| 2023-10-04 | ND |
| 2023-10-04 | ND |
| 2023-10-05 | ND |
| 2023-10-05 | ND |
| 2023-10-13 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-19 | ND |
| 2023-10-27 | ND |
| 2023-10-27 | ND |
| 2023-11-07 | ND |
| 2023-11-07 | ND |
| 2023-11-07 | ND |
| 2023-11-07 | ND |
| 2023-11-09 | ND |
| 2023-11-09 | ND |
| 2023-11-09 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-11-29 | ND |
| 2023-12-08 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-14 | ND |
| 2023-12-22 | ND |
| 2023-12-22 | ND |