Alachlor (Lasso)
Oakley Valley Water Corporation
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
10
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
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 |
|---|---|---|
| 2014-09-12 | S1432991 | ND |
| 2016-09-29 | S1630631 | ND |
| 2016-09-29 | S1630621 | ND |
| 2018-02-16 | S1769851 | ND |
| 2018-05-15 | S1793061 | ND |
| 2018-09-24 | S1825891 | ND |
| 2018-12-19 | S1847681 | ND |
| 2019-09-19 | S1929811 | ND |
| 2019-09-19 | S1929891 | ND |
| 2019-10-30 | S1942421 | ND |