PFOS + PFOA + PFHxS + PFNA
City of Vancouver
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 | 26.1 ppt | 14 | 14 | 10.1 ppt - 43.8 ppt |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2023-03-01 | 4429861 | 33.4 ppt |
| 2023-03-01 | 4429858 | 36.4 ppt |
| 2023-03-01 | 4429856 | 24.4 ppt |
| 2023-03-01 | 4429857 | 25.6 ppt |
| 2023-03-01 | 4429855 | 42.5 ppt |
| 2023-03-01 | 4429860 | 14.2 ppt |
| 2023-03-01 | 4429859 | 16.5 ppt |
| 2023-09-20 | 4530138 | 33.1 ppt |
| 2023-09-20 | 4530140 | 43.8 ppt |
| 2023-09-20 | 4531349 | 14.6 ppt |
| 2023-09-20 | 4531352 | 10.1 ppt |
| 2023-09-20 | 4531350 | 17.2 ppt |
| 2023-09-20 | 4531351 | 24.4 ppt |
| 2023-09-20 | 4531373 | 29.4 ppt |