Alachlor (Lasso)
City of Ammon
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
14
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2016-08-16 | ST160821903 | ND |
| 2016-08-16 | ST160821908 | ND |
| 2016-08-16 | ST160821911 | ND |
| 2016-08-16 | ST160822906 | ND |
| 2016-08-16 | ST160822911 | ND |
| 2016-10-05 | ST161006801 | ND |
| 2016-10-05 | ST161006802 | ND |
| 2017-03-07 | ST170308401 | ND |
| 2017-03-28 | ST170330701 | ND |
| 2017-06-26 | ST170638802 | ND |
| 2017-09-18 | ST170926108 | ND |
| 2017-11-09 | ST171111901 | ND |
| 2019-06-10 | ST190611409 | ND |
| 2019-09-23 | ST190941901 | ND |