Butachlor
College Place Water Department
Butachlor is a herbicide that is no longer used in the U.S.
9
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 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-25 | ND | |
| 2019-09-17 | ND | |
| 2022-05-31 | 4364682 | ND |
| 2022-08-22 | 4364685 | ND |
| 2022-08-22 | 4364686 | ND |
| 2022-11-01 | 4373087 | ND |
| 2023-02-06 | 4411984 | ND |
| 2023-08-29 | 4512981 | ND |
| 2023-12-12 | 4560258 | ND |