Alachlor (Lasso)
City of La Villa
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 | 4 | 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 |
|---|---|---|
| 2018-01-31 | AE11691 | ND |
| 2019-03-01 | AE57024 | ND |
| 2020-01-23 | AE95132 | ND |
| 2021-03-17 | AF47339 | ND |
| 2021-06-08 | AF57582 | ND |
| 2021-07-20 | AF62906 | ND |
| 2021-11-17 | Q2132296001 | ND |
| 2022-01-31 | AF82687 | ND |
| 2023-05-09 | AG39848 | ND |