Alachlor (Lasso)
Gateway Regional Water Company
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-01-16 | 8012556-01 | ND |
| 2018-04-17 | 8043263-01 | ND |
| 2019-01-08 | 9011557-01 | ND |
| 2019-04-09 | 9042431-01 | ND |
| 2020-04-08 | 0041977-01 | ND |
| 2021-04-07 | ED01603-01 | ND |
| 2021-07-20 | EG04250-01 | ND |
| 2022-05-03 | FE00691-01 | ND |
| 2023-06-12 | GF02364-01 | ND |