PFOS + PFOA + PFHxS + PFNA
Dupont Water System City Of
14
Samples
0
Samples exceeding legal limit (MCL)
14
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 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | 17.2 ppt | 14 | 14 | 12.8 ppt - 20.5 ppt |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2023-03-27 | 4521668 | 20.5 ppt |
| 2023-03-27 | 4521668 | 20.5 ppt |
| 2023-03-27 | 4521669 | 20.1 ppt |
| 2023-03-27 | 4521669 | 20.1 ppt |
| 2023-03-27 | 4521669 | 20.1 ppt |
| 2023-03-27 | 4521669 | 20.1 ppt |
| 2023-06-26 | 4521662 | 12.8 ppt |
| 2023-06-26 | 4521662 | 12.8 ppt |
| 2023-06-26 | 4521662 | 12.8 ppt |
| 2023-06-26 | 4521663 | 16.2 ppt |
| 2023-06-26 | 4521663 | 16.2 ppt |
| 2023-06-26 | 4521663 | 16.2 ppt |
| 2023-06-26 | 4521663 | 16.2 ppt |
| 2023-06-26 | 4521663 | 16.2 ppt |