Alachlor (Lasso)
Lake Hemet Municipal Water 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 | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 2 | 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 |
---|---|---|
2014-06-25 | 4790-050-1100 | ND |
2014-12-15 | 4790-050-1015 | ND |
2016-05-04 | 3761-036-1010 | ND |
2016-11-09 | 3761-050-0830 | ND |
2017-02-21 | 3761-050-0945 | ND |
2017-05-22 | 3761-050-0930 | ND |
2017-08-21 | 3761-050-1120 | ND |
2018-02-14 | 3761-028-0905 | ND |
2018-02-14 | 3761-030-0945 | ND |