Alachlor (Lasso)
New Orleans Algiers Water Works
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
15
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 | 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 |
|---|---|---|
| 2018-04-17 | 35386954004 | ND |
| 2018-04-17 | 35386954004 | ND |
| 2018-10-02 | 35421764001 | ND |
| 2018-10-02 | 35421764001 | ND |
| 2019-02-05 | 35446734001 | ND |
| 2019-02-05 | 35446734001 | ND |
| 2019-08-14 | 35490420001 | ND |
| 2019-08-14 | 35490420001 | ND |
| 2020-10-26 | 35587653001 | ND |
| 2021-03-29 | 35622312001 | ND |
| 2021-12-08 | 35683695001 | ND |
| 2022-03-15 | 35704704001 | ND |
| 2022-10-13 | 35753421001 | ND |
| 2023-03-06 | 35783941001 | ND |
| 2023-10-31 | 35838748001 | ND |