Alachlor (Lasso)
Valley of The Moon Water District
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
9
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 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
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-12 | 5810-001-1027 | ND |
| 2014-02-12 | 5810-002-0857 | ND |
| 2014-02-12 | 5810-003-0752 | ND |
| 2014-02-12 | 5810-004-0927 | ND |
| 2014-02-12 | 5810-005-0954 | ND |
| 2016-03-02 | 9590-005-0925 | ND |
| 2016-03-02 | 9590-005-0928 | ND |
| 2018-01-11 | 5810-024-1232 | ND |
| 2018-06-14 | 5810-024-1416 | ND |