Alachlor (Lasso)
California Water Service Company Oak Hills
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 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-03-27 | CA2710019_001_001-201803271038 | ND |
| 2018-05-03 | CA2710019_001_001-201805031433 | ND |
| 2019-06-19 | CA2710019_008_008-201906191316 | ND |
| 2019-09-12 | CA2710019_003_003-201909121404 | ND |
| 2021-06-29 | CA2710019_001_001-202106291352 | ND |
| 2021-09-22 | CA2710019_001_001-202109221106 | ND |
| 2022-06-22 | CA2710019_008_008-202206221338 | ND |
| 2022-09-22 | CA2710019_003_003-202209221410 | ND |