Alachlor (Lasso)
Calam - West Placer
NOTE: Calam - West Placer purchases water from City of Roseville which is required to test for alachlor (lasso). Sample information shown below was taken by City of Roseville.
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 | N/A | 0 | 0 | N/A |
2015 | ND | 2 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
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
NOTE: Calam - West Placer purchases water from City of Roseville which is required to test for alachlor (lasso). Sample information shown below was taken by City of Roseville.
Date | Lab ID | Result |
---|---|---|
2015-11-12 | 5810-002-0937 | ND |
2016-08-25 | 5810-015-0926 | ND |
2016-08-25 | 5810-017-0808 | ND |
2016-08-25 | 5810-019-0850 | ND |
2018-08-23 | 5810-008-1056 | ND |
2018-08-23 | 5810-015-1210 | ND |