Alachlor (Lasso)
Upper Hanover Water Authority
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
20
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 7 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 13 | 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 |
|---|---|---|
| 2020-03-20 | 21848014.00 | ND |
| 2020-03-20 | 21848012.00 | ND |
| 2020-03-20 | 21848013.00 | ND |
| 2020-06-18 | 22417399.00 | ND |
| 2020-06-18 | 22417402.00 | ND |
| 2020-06-18 | 22417400.00 | ND |
| 2020-06-18 | 22417401.00 | ND |
| 2023-02-28 | 28703095.00 | ND |
| 2023-02-28 | 28703097.00 | ND |
| 2023-02-28 | 28703096.00 | ND |
| 2023-05-24 | 29108956.00 | ND |
| 2023-05-24 | 29108958.00 | ND |
| 2023-05-24 | 29108957.00 | ND |
| 2023-08-21 | 29700669.00 | ND |
| 2023-08-21 | 29700668.00 | ND |
| 2023-08-22 | 29700670.00 | ND |
| 2023-11-13 | 30246621.00 | ND |
| 2023-11-13 | 30246593.00 | ND |
| 2023-11-14 | 30246565.00 | ND |
| 2023-11-28 | 30246537.00 | ND |