Alachlor (Lasso)
Great Plains Development Authority
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
18
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 | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-05-05 | 109849 | ND |
| 2014-05-12 | 113343 | ND |
| 2014-10-13 | 212575 | ND |
| 2014-12-29 | 252649 | ND |
| 2015-03-23 | 299893 | ND |
| 2015-06-29 | 355535 | ND |
| 2015-10-05 | 416934 | ND |
| 2016-05-17 | 547600 | ND |
| 2017-05-15 | 761181 | ND |
| 2017-05-15 | 761180 | ND |
| 2018-03-06 | 931256 | ND |
| 2018-05-21 | 973387 | ND |
| 2018-08-06 | 1020272 | ND |
| 2018-11-05 | 1070529 | ND |
| 2019-02-11 | 1119311 | ND |
| 2019-05-20 | 1157245 | ND |
| 2019-08-19 | 1225375 | ND |
| 2019-11-18 | 1276627 | ND |