Alachlor (Lasso)
Los Angeles Department of Water and Power
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 7 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 8 | 0 | ND |
2018 | ND | 4 | 0 | ND |
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 |
---|---|---|
2014-05-08 | 9588-133-0815 | ND |
2014-05-08 | 1200-133-0815 | ND |
2014-05-08 | 9588-011-0930 | ND |
2014-05-08 | 1200-011-0930 | ND |
2014-08-07 | 1200-011-1120 | ND |
2014-08-20 | 9588-133-0900 | ND |
2014-08-20 | 1200-133-0900 | ND |
2015-06-17 | 1200-011-1205 | ND |
2015-06-17 | 1200-133-0630 | ND |
2017-02-21 | 9588-011-1140 | ND |
2017-02-21 | 9588-133-1210 | ND |
2017-02-27 | 1200-011-1030 | ND |
2017-02-28 | 1200-133-1105 | ND |
2017-05-09 | 9588-011-0940 | ND |
2017-05-09 | 1200-011-0940 | ND |
2017-05-17 | 1200-133-0941 | ND |
2017-05-17 | 9588-133-0941 | ND |
2018-02-06 | 1200-011-1040 | ND |
2018-02-07 | 1200-133-0930 | ND |
2018-08-16 | 1200-133-0747 | ND |
2018-08-16 | 1200-011-0940 | ND |