Alachlor (Lasso)
Chesapeake Ranch Estates
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-10-16 | 0040004_01_00143 | ND |
| 2015-09-30 | E16001406001 | ND |
| 2016-11-01 | E17001997002 | ND |
| 2016-11-01 | E17001996001 | ND |
| 2019-02-25 | E19002704001 | ND |
| 2019-02-25 | E19002705001 | ND |
| 2019-02-25 | E19002701001 | ND |
| 2019-02-25 | E19002702001 | ND |