Alachlor (Lasso)
Redmond Water Department
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
32
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 | N/A | 0 | 0 | N/A |
| 2021 | ND | 15 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 16 | 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 |
|---|---|---|
| 2021-05-11 | 2132295-S | ND |
| 2021-05-11 | 2132264-S | ND |
| 2021-05-18 | 2133726-S | ND |
| 2021-05-18 | 2133712-S | ND |
| 2021-05-18 | 2133715-S | ND |
| 2021-06-02 | 2137357-S | ND |
| 2021-06-02 | 2137359-S | ND |
| 2021-06-09 | 2132299-S | ND |
| 2021-08-25 | 2161792-S | ND |
| 2021-08-25 | 2161788-S | ND |
| 2021-08-25 | 2161795-S | ND |
| 2021-08-25 | 2161794-S | ND |
| 2021-08-25 | 2161791-S | ND |
| 2021-08-25 | 2161787-S | ND |
| 2021-08-25 | 2161793-S | ND |
| 2022-08-10 | 22-51468-S | ND |
| 2023-07-13 | 23-40883-S | ND |
| 2023-07-13 | 23-40886-S | ND |
| 2023-07-13 | 23-40885-S | ND |
| 2023-07-13 | 23-40863-S | ND |
| 2023-07-13 | 23-40887-S | ND |
| 2023-07-13 | 23-40884-S | ND |
| 2023-07-13 | 23-40882-S | ND |
| 2023-07-17 | 23-41527-S | ND |
| 2023-10-23 | 23-64752-S | ND |
| 2023-10-23 | 23-64743-S | ND |
| 2023-10-23 | 23-64750-S | ND |
| 2023-10-23 | 23-64753-S | ND |
| 2023-10-23 | 23-64746-S | ND |
| 2023-10-23 | 23-64748-S | ND |
| 2023-10-23 | 23-64754-S | ND |
| 2023-10-23 | 23-64744-S | ND |