Alachlor (Lasso)
Western Cass Water Supply Corporation
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
19
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 | 5 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 1 | 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 |
|---|---|---|
| 2018-03-08 | Q1809687012 | ND |
| 2018-03-08 | Q1809687013 | ND |
| 2018-03-08 | Q1809687014 | ND |
| 2018-03-08 | Q1809687015 | ND |
| 2018-03-08 | Q1809687011 | ND |
| 2019-05-02 | Q1918236011 | ND |
| 2020-03-19 | Q2011997015 | ND |
| 2020-04-21 | Q2015767019 | ND |
| 2020-04-21 | Q2015767038 | ND |
| 2020-07-28 | Q2029440007 | ND |
| 2020-12-03 | Q2048488001 | ND |
| 2021-10-25 | Q2129911001 | ND |
| 2021-10-25 | Q2129911002 | ND |
| 2021-10-25 | Q2129911003 | ND |
| 2021-10-25 | Q2129911004 | ND |
| 2021-10-25 | Q2129911005 | ND |
| 2022-11-16 | Q2234548003 | ND |
| 2023-08-01 | Q2331111001 | ND |
| 2023-08-01 | Q2331111010 | ND |