Alachlor (Lasso)
City of Winfield
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
10
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-06-23 | 137141 | ND |
| 2015-06-22 | 353056 | ND |
| 2016-06-27 | 571454 | ND |
| 2017-08-14 | 819794 | ND |
| 2018-06-18 | 990508 | ND |
| 2018-08-27 | 1033038 | ND |
| 2018-11-05 | 1073977 | ND |
| 2019-02-25 | 1126277 | ND |
| 2019-05-06 | 1157492 | ND |
| 2019-06-17 | 1187555 | ND |