Alachlor (Lasso)
Manchester Water Works
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 | 3 | 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 |
---|---|---|
2014-02-17 | 1402-00335-001 | ND |
2014-05-14 | 1405-00444-001 | ND |
2014-08-04 | 1408-00056-003 | ND |
2015-08-17 | 1508-01335-001 | ND |
2016-08-11 | 1608-01474-002 | ND |
2017-08-16 | 1708-02234-001 | ND |
2018-08-23 | 1808-03298-001 | ND |
2019-08-13 | 1908-01820-001 | ND |