Alachlor (Lasso)
Harris County Water Control and Improvement District 50 El Lago
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
9
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 | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 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 |
|---|---|---|
| 2014-02-04 | AC41384 | ND |
| 2015-02-17 | AC80794 | ND |
| 2016-01-25 | AD19879 | ND |
| 2017-02-06 | AD68981 | ND |
| 2018-02-01 | AE12015 | ND |
| 2019-01-24 | AE51384 | ND |
| 2019-05-31 | AE68981 | ND |
| 2019-08-05 | AE77092 | ND |
| 2019-10-16 | AE86971 | ND |