Alachlor (Lasso)
Columbia Water Company
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
12
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 | 6 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2020-04-07 | 22172803.00 | ND |
| 2020-04-07 | 22172833.00 | ND |
| 2020-04-13 | 22172863.00 | ND |
| 2020-07-06 | 22757685.00 | ND |
| 2020-07-07 | 22757716.00 | ND |
| 2020-07-13 | 22757920.00 | ND |
| 2023-04-04 | 28859641.00 | ND |
| 2023-04-10 | 28859640.00 | ND |
| 2023-04-17 | 28859814.00 | ND |
| 2023-07-10 | 29455600.00 | ND |
| 2023-07-14 | 29455602.00 | ND |
| 2023-07-14 | 29455601.00 | ND |