Alachlor (Lasso)
Harris County Water Control and Improvement District 70
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 4 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
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 |
---|---|---|
2016-03-30 | AD31331 | ND |
2016-03-30 | AD31310 | ND |
2016-09-27 | AD51569 | ND |
2016-11-22 | AD59089 | ND |
2017-05-05 | AD83185 | ND |
2018-03-09 | AE18026 | ND |
2019-05-09 | AE65792 | ND |
2019-05-09 | AE65791 | ND |