Alachlor (Lasso)
Brodhead Creek Reg Water Authority
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
18
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 | 4 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 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 |
|---|---|---|
| 2018-04-11 | 2308326001 | ND |
| 2019-04-10 | T9D0594-01 | ND |
| 2020-04-13 | 22045767.00 | ND |
| 2020-04-15 | 22045682.00 | ND |
| 2020-08-17 | 22821879.00 | ND |
| 2020-08-17 | 22821845.00 | ND |
| 2021-04-07 | 24269266.00 | ND |
| 2021-10-20 | 25427420.00 | ND |
| 2022-02-23 | 26137350.00 | ND |
| 2022-04-25 | 26485906.00 | ND |
| 2022-05-23 | 26671996.00 | ND |
| 2022-08-22 | 27258399.00 | ND |
| 2023-05-05 | 28924626.00 | ND |
| 2023-05-05 | 28924586.00 | ND |
| 2023-05-05 | 28924666.00 | ND |
| 2023-08-14 | 29521953.00 | ND |
| 2023-08-14 | 29521920.00 | ND |
| 2023-08-16 | 29521990.00 | ND |