Alachlor (Lasso)
Pine Valley Mutual Water Company
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 6 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2020-11-16 | CA3710039_001_001-202011160920 | ND |
| 2021-10-11 | CA3710039_003_003-202110111240 | ND |
| 2021-10-11 | CA3710039_010_010-202110111230 | ND |
| 2021-10-11 | CA3710039_006_006-202110111315 | ND |
| 2021-10-12 | CA3710039_004_004-202110120910 | ND |
| 2021-11-23 | CA3710039_007_007-202111230800 | ND |
| 2021-11-23 | CA3710039_005_005-202111230710 | ND |
| 2023-02-27 | CA3710039_009_009-202302270900 | ND |