Alachlor (Lasso)
Madison County Water Department
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
12
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 |
|---|---|---|---|---|
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-01-22 | 140122062-2 | ND |
| 2014-01-22 | 140122062-1 | ND |
| 2014-04-03 | 140403065-1 | ND |
| 2014-04-03 | 140403065-2 | ND |
| 2015-02-24 | 150224056-2 | ND |
| 2015-06-18 | 150618048-1 | ND |
| 2017-01-05 | 170105104-1 | ND |
| 2017-01-05 | 170105104-2 | ND |
| 2017-06-27 | 170627025-2 | ND |
| 2017-06-27 | 170627025-1 | ND |
| 2018-01-24 | 180024054-1 | ND |
| 2018-06-20 | 180620053-001 | ND |