Alachlor (Lasso)
Cheyenne Board Public Utilities
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 |
|---|---|---|---|---|
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 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 |
|---|---|---|
| 2014-12-01 | 3147253 P | ND |
| 2014-12-01 | 3147257 P | ND |
| 2014-12-04 | 3149778 P | ND |
| 2015-10-13 | 3340177 P | ND |
| 2015-10-14 | 3341266 P | ND |
| 2016-10-26 | 375713 P | ND |
| 2016-10-27 | 375817 P | ND |
| 2017-10-10 | 400164 P | ND |
| 2018-09-20 | 430447 P | ND |
| 2018-09-24 | 430689 P | ND |