Alachlor (Lasso)
City of Columbia
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 | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-01-15 | AD34535 | ND |
2014-01-15 | AD34536 | ND |
2015-01-15 | AD50347 | ND |
2015-01-15 | AD50348 | ND |
2016-01-13 | AD69191 | ND |
2016-06-21 | AD77607 | ND |
2017-10-26 | AE02622 | ND |
2017-10-26 | AE02621 | ND |
2018-03-12 | AE09073 | ND |
2018-07-16 | AE15003 | ND |
2019-01-08 | AE23570 | ND |
2019-07-16 | AE33661 | ND |