Alachlor (Lasso)
City of Rio Grande City
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 | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-02-26 | AC44859 | ND |
| 2014-02-26 | AC44857 | ND |
| 2015-09-22 | AD08099 | ND |
| 2016-02-22 | AD24851 | ND |
| 2016-02-22 | AD24853 | ND |
| 2017-03-07 | AD74464 | ND |
| 2017-03-07 | AD74465 | ND |
| 2018-06-11 | AE29892 | ND |
| 2018-08-31 | AE39197 | ND |
| 2019-02-06 | AE53629 | ND |