Alachlor (Lasso)
Palm Ranch Irrigation District
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
18
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 | 1 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 13 | 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 |
|---|---|---|
| 2019-11-07 | CA1910103_015_015-201911070900 | ND |
| 2020-11-10 | CA1910103_001_001-202011100744 | ND |
| 2020-11-10 | CA1910103_015_015-202011100756 | ND |
| 2020-11-10 | CA1910103_002_002-202011100729 | ND |
| 2021-02-16 | CA1910103_007_007-202102160745 | ND |
| 2021-02-16 | CA1910103_002_002-202102160708 | ND |
| 2021-02-16 | CA1910103_015_015-202102160727 | ND |
| 2021-02-16 | CA1910103_001_001-202102160718 | ND |
| 2021-05-18 | CA1910103_015_015-202105180719 | ND |
| 2021-05-18 | CA1910103_007_007-202105180735 | ND |
| 2021-05-18 | CA1910103_001_001-202105180705 | ND |
| 2021-06-29 | CA1910103_015_015-202106290705 | ND |
| 2021-06-29 | CA1910103_001_001-202106290646 | ND |
| 2021-06-30 | CA1910103_007_007-202106301158 | ND |
| 2021-07-06 | CA1910103_002_002-202107060708 | ND |
| 2021-08-10 | CA1910103_007_007-202108100744 | ND |
| 2021-11-02 | CA1910103_007_007-202111020758 | ND |
| 2023-01-17 | CA1910103_015_015-202301170706 | ND |