Alachlor (Lasso)
Clarence Cannon Wholesale Water Commission
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
23
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-02-19 | AD14829 | ND |
| 2018-05-14 | AD20834 | ND |
| 2018-08-06 | AD31592 | ND |
| 2018-11-21 | AD36115 | ND |
| 2019-03-04 | AD39917 | ND |
| 2019-05-28 | AD47801 | ND |
| 2019-08-20 | AD54390 | ND |
| 2019-11-18 | AD58415 | ND |
| 2020-02-20 | 2001419 | ND |
| 2020-05-26 | 2008846 | ND |
| 2020-08-24 | 2013072 | ND |
| 2020-11-18 | 2017968 | ND |
| 2021-02-23 | 2100616 | ND |
| 2021-05-25 | 2110888 | ND |
| 2021-08-25 | 2115230 | ND |
| 2021-11-22 | 2119454 | ND |
| 2022-02-22 | 2201910 | ND |
| 2022-05-24 | 2211507 | ND |
| 2022-09-07 | 2216191 | ND |
| 2022-12-06 | 2221109 | ND |
| 2023-03-07 | 2300531 | ND |
| 2023-05-25 | 2308078 | ND |
| 2023-08-27 | 2313254 | ND |