PFOS + PFOA + PFHxS + PFNA
PUD #1 of Asotin County
2
Samples
0
Samples exceeding legal limit (MCL)
2
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 | 5.94 ppt | 1 | 1 | 5.94 ppt |
| 2023 | 2.36 ppt | 1 | 1 | 2.36 ppt |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2022-06-14 | 4304658 | 5.94 ppt |
| 2023-12-07 | 4554250 | 2.36 ppt |