Alachlor (Lasso)
Jamestown Water Department
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 | 0.0333 ppb | 3 | 1 | ND - 0.1000 ppb |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 3 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-02-24 | 1401549-01_TO40 | 0.1000 ppb |
2014-02-24 | 1401549-02_TO40 | ND |
2014-06-18 | 1403272-01_TO40 | ND |
2017-02-13 | 1701191-01_TO40 | ND |
2017-02-13 | 1701190-01_TO40 | ND |
2017-05-31 | 1702362-01_TO40 | ND |