Alachlor (Lasso)
Big Lake
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
10
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 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2019-07-08 | 19G0317-01 | ND |
| 2019-10-30 | 19J1750-01 | ND |
| 2020-07-08 | 20G0347-01 | ND |
| 2020-10-22 | 20J1244-01 | ND |
| 2021-01-25 | 21A0728-01 | ND |
| 2021-01-25 | 21A0728-02 | ND |
| 2021-04-07 | 21D0381-01 | ND |
| 2021-04-07 | 21D0381-02 | ND |
| 2023-05-01 | 23E0134-02 | ND |
| 2023-07-10 | 23G0271-01 | ND |