Alachlor (Lasso)
Boonville PWS
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
23
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 | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-02-27 | AD14834 | ND |
| 2018-05-23 | AD20839 | ND |
| 2018-08-22 | AD31540 | ND |
| 2018-11-29 | AD36120 | ND |
| 2019-03-08 | AD39922 | ND |
| 2019-05-21 | AD47806 | ND |
| 2019-08-28 | AD54394 | ND |
| 2019-11-20 | AD58419 | ND |
| 2020-02-24 | 2001431 | ND |
| 2020-05-27 | 2008890 | ND |
| 2020-08-19 | 2013087 | ND |
| 2020-12-09 | 2018026 | ND |
| 2021-02-23 | 2100660 | ND |
| 2021-05-26 | 2110934 | ND |
| 2021-08-23 | 2115277 | ND |
| 2021-11-23 | 2119511 | ND |
| 2022-02-22 | 2201954 | ND |
| 2022-05-23 | 2211549 | ND |
| 2022-09-13 | 2216237 | ND |
| 2022-11-28 | 2221165 | ND |
| 2023-02-23 | 2300575 | ND |
| 2023-05-22 | 2308124 | ND |
| 2023-09-19 | 2313319 | ND |