Alachlor (Lasso)
City of Mountain Home
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
40
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 | 1 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 13 | 0 | ND |
| 2022 | ND | 18 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-08-01 | S1836908 | ND |
| 2019-06-11 | S1927642 | ND |
| 2019-06-11 | S1927641 | ND |
| 2019-07-25 | S1936441 | ND |
| 2019-07-25 | S1936442 | ND |
| 2019-07-25 | S1936443 | ND |
| 2019-07-25 | S1936446 | ND |
| 2019-12-03 | S1960165 | ND |
| 2021-09-09 | S2147367 | ND |
| 2021-09-09 | S2147369 | ND |
| 2021-09-09 | S2147371 | ND |
| 2021-09-22 | S2150231 | ND |
| 2021-10-14 | S2155146 | ND |
| 2021-10-20 | S2156407 | ND |
| 2021-10-20 | S2156403 | ND |
| 2021-10-20 | S2156406 | ND |
| 2021-10-20 | S2156401 | ND |
| 2021-10-20 | S2156405 | ND |
| 2021-10-20 | S2156408 | ND |
| 2021-10-20 | S2156402 | ND |
| 2021-10-20 | S2156404 | ND |
| 2022-02-24 | S2209172 | ND |
| 2022-02-24 | S2209173 | ND |
| 2022-02-24 | S2209171 | ND |
| 2022-02-24 | S2209169 | ND |
| 2022-02-24 | S2209174 | ND |
| 2022-05-11 | S2222518 | ND |
| 2022-05-11 | S2222541 | ND |
| 2022-06-06 | SMCF0683-05 | ND |
| 2022-07-20 | S2234918 | ND |
| 2022-07-20 | S2234917 | ND |
| 2022-10-19 | S2252295 | ND |
| 2022-10-19 | S2252291 | ND |
| 2022-10-19 | S2252293 | ND |
| 2022-10-19 | S2252294 | ND |
| 2022-10-19 | S2252296 | ND |
| 2022-10-19 | S2252297 | ND |
| 2022-10-19 | S2252298 | ND |
| 2022-10-19 | S2252299 | ND |
| 2023-03-21 | SMDC0635-01 | ND |