Alachlor (Lasso)
Central City, City of
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 | ND | 4 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 6 | 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 |
---|---|---|
2014-01-13 | 278311 | ND |
2014-04-07 | 293472 | ND |
2014-04-21 | 295535 | ND |
2014-08-04 | 311791 | ND |
2015-02-02 | 343182 | ND |
2015-04-06 | 353866 | ND |
2016-04-04 | ND | |
2016-04-18 | ND | |
2016-08-08 | ND | |
2016-08-08 | ND | |
2016-10-24 | ND | |
2017-03-20 | ND | |
2017-04-03 | ND | |
2017-05-15 | ND | |
2017-07-24 | ND | |
2017-08-07 | ND | |
2017-10-10 | ND | |
2018-02-05 | 533016 | ND |
2018-04-09 | 543500 | ND |
2019-04-15 | 603972 | ND |