Alachlor (Lasso)
Imperial, City of
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 | 1 | 0 | ND |
| 2015 | 0.211 ppb | 4 | 1 | ND - 0.845 ppb |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 1 | 0 | ND |
| 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 |
|---|---|---|
| 2014-08-04 | 311813 | ND |
| 2015-10-26 | 391471 | ND |
| 2015-10-26 | 391472 | ND |
| 2015-10-26 | 391473 | ND |
| 2015-10-26 | 391474 | 0.845 ppb |
| 2017-08-07 | ND | |
| 2018-11-05 | 577316 | ND |
| 2018-11-05 | 577317 | ND |
| 2018-11-05 | 577319 | ND |