Alachlor (Lasso)
Placer County Water Agency - Foothill
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
7
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-08-20 | 3334-002-1010 | ND |
| 2014-08-20 | 3334-007-1200 | ND |
| 2015-08-11 | 3334-002-1000 | ND |
| 2015-08-11 | 3334-007-1305 | ND |
| 2016-08-03 | 3334-014-1045 | ND |
| 2016-08-17 | 3334-002-1215 | ND |
| 2016-08-17 | 3334-007-0945 | ND |