Alachlor (Lasso)
City of Manteca
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
15
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 | 4 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 6 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-01-14 | 5810-014-0928 | ND |
| 2014-01-14 | 5810-032-1010 | ND |
| 2014-06-10 | 5810-042-0750 | ND |
| 2014-08-29 | 5810-040-0616 | ND |
| 2015-06-09 | 5810-015-0614 | ND |
| 2015-12-09 | 5810-013-0625 | ND |
| 2015-12-09 | 5810-038-0910 | ND |
| 2016-06-14 | 5810-038-0645 | ND |
| 2018-05-08 | 5810-016-0600 | ND |
| 2018-05-08 | 5810-028-0655 | ND |
| 2018-06-12 | 5810-044-0740 | ND |
| 2018-06-12 | 5810-049-0845 | ND |
| 2018-11-13 | 5810-044-0642 | ND |
| 2018-12-11 | 5810-030-0912 | ND |
| 2019-06-04 | 5810-056-1242 | ND |