Alachlor (Lasso)
West Harris County Municipal Utility District 15
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
11
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 | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2018-03-05 | AE16771 | ND |
| 2018-03-05 | AE16774 | ND |
| 2019-01-28 | AE51775 | ND |
| 2019-04-23 | AE63419 | ND |
| 2020-01-13 | AE93256 | ND |
| 2021-03-09 | AF46180 | ND |
| 2021-04-27 | AF51469 | ND |
| 2022-03-01 | AF87048 | ND |
| 2022-03-01 | AF87050 | ND |
| 2023-02-22 | AG30056 | ND |
| 2023-02-22 | AG30057 | ND |