Alachlor (Lasso)
California American Water Company - Monterey
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 | 6 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 4 | 0 | ND |
2017 | ND | 2 | 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 |
---|---|---|
2014-01-21 | 1225-089-1140 | ND |
2014-01-22 | 1225-092-1145 | ND |
2014-04-08 | 1225-082-1155 | ND |
2014-04-24 | 1225-092-1005 | ND |
2014-04-29 | 1225-089-1030 | ND |
2014-07-14 | 1225-082-1300 | ND |
2016-01-20 | 5810-087-1055 | ND |
2016-05-18 | 1225-087-1045 | ND |
2016-08-17 | 1225-087-1330 | ND |
2016-10-12 | 2920-087-0930 | ND |
2017-03-08 | 1225-082-1108 | ND |
2017-06-14 | 1225-082-1208 | ND |