Alachlor (Lasso)
Big Bend Water District
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
14
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 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-02-25 | 14020370-001 | ND |
| 2014-08-12 | 14080164-001 | ND |
| 2015-02-10 | 15020137-001 | ND |
| 2015-11-10 | 15110173-001 | ND |
| 2016-02-09 | 16020138-001 | ND |
| 2016-08-09 | S1603941002 | ND |
| 2016-08-09 | S1603941001 | ND |
| 2017-02-21 | S1701130002 | ND |
| 2017-02-21 | S1701130001 | ND |
| 2017-08-07 | S1701362002 | ND |
| 2017-08-07 | S1701362001 | ND |
| 2018-02-06 | S1705619001 | ND |
| 2018-08-16 | S1801116001 | ND |
| 2019-02-20 | S1806208001 | ND |