Alachlor (Lasso)
Harris County Water Control and Improvement District 110
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 | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 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 |
|---|---|---|
| 2014-08-21 | AC64959 | ND |
| 2015-08-06 | AD03078 | ND |
| 2015-08-06 | AD03076 | ND |
| 2016-11-16 | AD58397 | ND |
| 2017-09-20 | AD97252 | ND |
| 2018-06-19 | AE30853 | ND |
| 2018-06-19 | AE30855 | ND |
| 2019-12-02 | AE90864 | ND |