Alachlor (Lasso)
San Gabriel Valley Water Company- El Monte
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
11
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-03-31 | 9588-029-0845 | ND |
| 2015-08-27 | 9590-066-0910 | ND |
| 2016-08-31 | 9588-066-0955 | ND |
| 2017-07-06 | 9588-224-0950 | ND |
| 2017-08-23 | 9588-066-1030 | ND |
| 2018-08-08 | 9588-066-0830 | ND |
| 2018-10-04 | 9588-224-0830 | ND |
| 2019-02-15 | 9588-224-1335 | ND |
| 2019-05-15 | 9588-224-1440 | ND |
| 2019-08-13 | 9588-224-1240 | ND |
| 2019-08-14 | 9588-066-0910 | ND |