Alachlor (Lasso)
Boise City Public Works Authority
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
16
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 | 4 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2019-07-16 | BG17050-02 | ND |
| 2019-07-16 | BG17050-05 | ND |
| 2019-10-28 | BJ29007-02 | ND |
| 2019-10-28 | BJ29007-05 | ND |
| 2020-01-28 | CA29007-02 | ND |
| 2020-01-28 | CA29007-06 | ND |
| 2020-04-15 | CD16011-02 | ND |
| 2020-04-15 | CD16011-05 | ND |
| 2020-07-28 | CG29011-02 | ND |
| 2020-07-28 | CG29011-05 | ND |
| 2021-03-10 | DC11022-05RE1 | ND |
| 2021-04-07 | DD08012-02 | ND |
| 2022-08-08 | EH09140-02 | ND |
| 2022-08-08 | EH09140-06 | ND |
| 2023-03-20 | FC21016-01 | ND |
| 2023-03-20 | FC21016-05 | ND |