Butanoic acid, 2,2,3,3,4,4-hexafluoro-4-(trifluoro...
Walla Walla Water Division
5
Samples
0
Samples exceeding legal limit (MCL)
0
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 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
| 2024 | ND | 3 | 0 | ND |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2021-12-13 | 4224319 | ND |
| 2022-01-10 | 4233958 | ND |
| 2024-01-22 | 380-79834-1 | ND |
| 2024-04-16 | 380-91964-1 | ND |
| 2024-07-25 | 380-105928-1 | ND |