Alachlor (Lasso)
Colonial Heights-meadowbrook
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
12
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 | 1 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-02-27 | CA18227-01 | ND |
| 2018-05-30 | CB03293-01 | ND |
| 2019-04-17 | CC04102-01 | ND |
| 2020-04-29 | CD03021-01 | ND |
| 2021-04-22 | CE02650-01 | ND |
| 2022-05-12 | CF02244-01 | ND |
| 2022-09-20 | CF08099-01 | ND |
| 2022-12-01 | CF12634-01 | ND |
| 2023-02-03 | 752-2342-1 | ND |
| 2023-04-26 | 37729_23-21102 | ND |
| 2023-09-13 | 37729_23-51665 | ND |
| 2023-10-31 | 37729_23-61299 | ND |