Alachlor (Lasso)
Canonchet Cliffs Water Association Inc.
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 | 3 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 7 | 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 |
---|---|---|
2014-03-03 | 1401654-03_TO40 | ND |
2014-03-03 | 1401654-04_TO40 | ND |
2014-04-01 | 1402088-01_TO40 | ND |
2014-04-01 | 1402088-02_TO40 | ND |
2015-03-16 | 1501554-01_TO40 | ND |
2015-03-16 | 1501554-03_TO40 | ND |
2015-08-18 | 1503715-01_TO40 | ND |
2018-03-19 | 1801421-04_TO40 | ND |
2018-03-19 | 1801421-01_TO40 | ND |
2018-03-19 | 1801421-02_TO40 | ND |
2018-03-19 | 1801421-03_TO40 | ND |
2018-05-14 | 1802044-03_TO40 | ND |
2018-08-02 | 1803417-01_TO40 | ND |
2018-10-30 | 1804573-01_TO40 | ND |
2019-03-27 | 1901479-01_TO40 | ND |