Alachlor (Lasso)
City of Mendota
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 | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2014-12-23 | 5810-009-1000 | ND |
| 2014-12-23 | 5810-010-1015 | ND |
| 2014-12-23 | 5810-011-1025 | ND |
| 2015-02-17 | 5810-009-1041 | ND |
| 2015-02-17 | 5810-010-1050 | ND |
| 2015-02-17 | 5810-011-1100 | ND |
| 2018-10-22 | 5806-009-1355 | ND |
| 2018-10-22 | 5806-010-1345 | ND |
| 2018-10-22 | 5806-011-1320 | ND |