Alachlor (Lasso)
City of Oakdale
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
13
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 6 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2015-12-29 | 5810-013-1300 | ND |
| 2016-07-20 | 5810-005-0957 | ND |
| 2016-07-20 | 5810-007-1034 | ND |
| 2016-07-20 | 5810-008-0857 | ND |
| 2016-07-20 | 5810-009-0835 | ND |
| 2016-07-20 | 5810-010-1102 | ND |
| 2016-07-20 | 5810-011-0930 | ND |
| 2017-12-04 | 5810-013-1330 | ND |
| 2018-07-17 | 5810-013-0930 | ND |
| 2018-11-02 | 5810-013-1525 | ND |
| 2019-01-07 | 5810-013-1100 | ND |
| 2019-04-09 | 5810-013-1050 | ND |
| 2019-12-18 | 5810-012-1044 | ND |