Alachlor (Lasso)
Stone Bridge Fire 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 | 4 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 4 | 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 |
---|---|---|
2014-01-06 | 1401011-01_TO40 | ND |
2014-05-21 | 1402792-01_TO40 | ND |
2014-07-02 | 1403536-01_TO40 | ND |
2014-11-17 | 1405685-01_TO40 | ND |
2015-01-06 | 1501024-01_TO40 | ND |
2016-01-12 | 1600910-01_TO40 | ND |
2017-01-24 | 1701021-01_TO40 | ND |
2017-05-15 | 1702186-01_TO40 | ND |
2017-07-11 | 1703141-01_TO40 | ND |
2017-11-14 | 1704992-01_TO40 | ND |
2018-01-09 | 1800844-01_TO40 | ND |
2019-01-22 | 1900906-01_TO40 | ND |