Alachlor (Lasso)
Harrison Ridge Subdivision
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
8
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 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 3 | 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 |
|---|---|---|
| 2019-08-20 | 8303-082019-E01S | ND |
| 2019-08-20 | 8303-082019-E02S | ND |
| 2022-08-16 | 8303-081622-E01S | ND |
| 2022-08-17 | 8303-081722-E02S | ND |
| 2022-11-16 | 8303-111622-E01S | ND |
| 2023-02-09 | 8303-020923-E01S | ND |
| 2023-06-21 | 37729_23-32417 | ND |
| 2023-09-14 | 8303-091423-E01S | ND |