Alachlor (Lasso)
Ephrata Area Joint Authority
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 8 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2020-04-06 | 22168923.00 | ND |
| 2020-04-13 | 22169102.00 | ND |
| 2020-04-13 | 22169101.00 | ND |
| 2020-04-16 | 22365705.00 | ND |
| 2020-07-13 | 22754032.00 | ND |
| 2020-07-13 | 22754031.00 | ND |
| 2020-07-14 | 22754080.00 | ND |
| 2020-07-17 | 22952581.00 | ND |
| 2022-04-12 | 26604791.00 | ND |
| 2022-04-12 | 26604801.00 | ND |
| 2023-04-14 | 29056962.00 | ND |
| 2023-04-14 | 29056960.00 | ND |
| 2023-04-14 | 29057135.00 | ND |
| 2023-04-14 | 29056961.00 | ND |
| 2023-07-11 | 29654735.00 | ND |
| 2023-07-18 | 29654902.00 | ND |
| 2023-08-09 | 29844095.00 | ND |
| 2023-08-29 | 29844134.00 | ND |