Alachlor (Lasso)
Selma Water Works and Sewer Board
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 6 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 4 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-02-07 | 140207022-2 | ND |
2014-02-07 | 140207022-1 | ND |
2014-04-28 | 140428028-2 | ND |
2014-04-28 | 140428028-1 | ND |
2014-09-26 | 140926030-1 | ND |
2014-10-27 | 141027010-1 | ND |
2017-06-06 | 170606030-1 | ND |
2017-06-06 | 170606030-2 | ND |
2017-07-25 | 170725023-2 | ND |
2017-07-25 | 170725023-1 | ND |
2019-06-20 | 20109368001_ISOC | ND |