Alachlor (Lasso)
City of Columbus
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 6 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 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 |
|---|---|---|
| 2015-05-04 | 356726 | ND |
| 2015-05-04 | 356727 | ND |
| 2015-05-04 | 356728 | ND |
| 2015-07-27 | 375108 | ND |
| 2015-07-27 | 375109 | ND |
| 2015-07-27 | 375110 | ND |
| 2018-05-07 | 544696 | ND |
| 2018-05-07 | 544697 | ND |
| 2018-05-07 | 544698 | ND |
| 2018-07-30 | 561182 | ND |
| 2018-07-30 | 561183 | ND |
| 2018-07-30 | 561184 | ND |