Alachlor (Lasso)
West Delta Water Supply Corporation
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
8
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 | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-06-19 | Q1422285001 | ND |
| 2014-09-24 | Q1447654004 | ND |
| 2014-12-08 | Q1458849001 | ND |
| 2015-10-15 | Q1540550003 | ND |
| 2016-06-09 | Q1623303003 | ND |
| 2017-08-22 | Q1737509005 | ND |
| 2018-06-21 | Q1824881009 | ND |
| 2019-08-26 | Q1959454001 | ND |