Alachlor (Lasso)
Mountain House Community Services District
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-03-27 | 5867-002-0902 | ND |
2015-05-06 | 5867-002-0930 | ND |
2016-05-12 | 5867-002-0910 | ND |
2017-05-03 | 5867-002-0900 | ND |
2018-04-11 | 5867-002-0920 | ND |
2019-04-24 | 5867-002-1000 | ND |