Alachlor (Lasso)
Mount Houston Road Municipal Utility District
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
8
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 | 1 | 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 |
|---|---|---|
| 2018-06-18 | AE30332 | ND |
| 2018-06-18 | AE30335 | ND |
| 2019-07-15 | AE74492 | ND |
| 2020-07-09 | AF18980 | ND |
| 2021-06-14 | AF57940 | ND |
| 2021-06-14 | AF57941 | ND |
| 2022-05-05 | AF95830 | ND |
| 2023-06-01 | AG42888 | ND |