Alachlor (Lasso)
Orange County WCID 1
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 3 | 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 |
|---|---|---|
| 2015-02-26 | AC82189 | ND |
| 2015-02-26 | AC82188 | ND |
| 2017-05-23 | AD85313 | ND |
| 2017-08-25 | AD94572 | ND |
| 2017-11-07 | AE04173 | ND |
| 2018-02-14 | AE13866 | ND |
| 2018-02-14 | AE13863 | ND |
| 2018-02-14 | AE13864 | ND |