Alachlor (Lasso)
Harris County WCID 36
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
12
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-02-05 | AC41644 | ND |
| 2014-02-05 | AC41648 | ND |
| 2014-05-01 | AC52651 | ND |
| 2015-01-27 | AC77990 | ND |
| 2015-09-08 | AD06018 | ND |
| 2015-12-04 | AD15843 | ND |
| 2016-02-03 | AD21956 | ND |
| 2017-02-14 | AD70934 | ND |
| 2017-04-24 | AD80790 | ND |
| 2017-04-24 | AD80789 | ND |
| 2018-01-26 | AE11081 | ND |
| 2019-02-05 | AE53015 | ND |