Alachlor (Lasso)
City of Hermiston
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
16
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 | ND | 8 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 8 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 2 ppb
The legal limit for alachlor, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-06-02 | 006032202-S | ND |
| 2020-06-02 | 006032203-S | ND |
| 2020-06-02 | 006032201-S | ND |
| 2020-06-02 | 006032204-S | ND |
| 2020-07-06 | 007080501-S | ND |
| 2020-07-06 | 007072501-S | ND |
| 2020-07-06 | 007072503-S | ND |
| 2020-07-06 | 007072502-S | ND |
| 2023-03-20 | 3032106-04-S | ND |
| 2023-03-20 | 3032106-03-S | ND |
| 2023-03-20 | 3032106-02-S | ND |
| 2023-03-20 | 3032106-01-S | ND |
| 2023-04-18 | 3041911-01-S | ND |
| 2023-04-18 | 3041911-02-S | ND |
| 2023-04-18 | 3041911-03-S | ND |
| 2023-04-18 | 3041911-04-S | ND |