Alachlor (Lasso)
Spanaway Water Company
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
9
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 | 5 | 0 | ND |
| 2022 | ND | 4 | 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 |
|---|---|---|
| 2021-08-04 | 4159394 | ND |
| 2021-08-04 | 4159393 | ND |
| 2021-08-04 | 4159390 | ND |
| 2021-08-04 | 4159392 | ND |
| 2021-08-04 | 4163830 | ND |
| 2022-07-12 | 4333309 | ND |
| 2022-07-12 | 4333305 | ND |
| 2022-07-14 | 4333308 | ND |
| 2022-08-29 | 4370780 | ND |