Alachlor (Lasso)
Iola, City of
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 | ND | 2 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 1 | 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 |
|---|---|---|
| 2018-05-21 | 973880 | ND |
| 2018-10-15 | 1061396 | ND |
| 2019-03-05 | 1131765 | ND |
| 2019-05-06 | 1157777 | ND |
| 2019-05-06 | 1157780 | ND |
| 2019-08-12 | 1222762 | ND |
| 2019-11-04 | 1268851 | ND |
| 2020-02-03 | 1318411 | ND |
| 2020-05-18 | 1383138 | ND |
| 2020-08-10 | 1485473 | ND |
| 2020-11-02 | 1632664 | ND |
| 2021-02-01 | 1760423 | ND |
| 2021-05-03 | 1829502 | ND |
| 2021-05-03 | 1829501 | ND |
| 2022-05-09 | 2255421 | ND |
| 2023-05-08 | 2497906 | ND |