Alachlor (Lasso)
Elk City, City of
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
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 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-05-16 | 971421 | ND |
| 2019-05-22 | 1157426 | ND |
| 2020-05-18 | 1379494 | ND |
| 2021-05-17 | 1840725 | ND |
| 2021-06-28 | 1869076 | ND |
| 2022-04-27 | 2244619 | ND |
| 2023-05-30 | 2508008 | ND |
| 2023-07-11 | 2533893 | ND |
| 2023-11-28 | 2616002 | ND |