Alachlor (Lasso)
Harris County Water Control and Improvement District Fondren Road
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
15
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2015-09-24 | AD08616 | ND |
| 2015-09-24 | AD08617 | ND |
| 2016-03-17 | AD29448 | ND |
| 2016-04-26 | AD34274 | ND |
| 2016-04-26 | AD34275 | ND |
| 2016-09-22 | AD50883 | ND |
| 2016-09-22 | AD50884 | ND |
| 2016-10-19 | AD53903 | ND |
| 2016-11-14 | AD57869 | ND |
| 2017-01-18 | AD65531 | ND |
| 2017-01-18 | AD65532 | ND |
| 2018-02-28 | AE16141 | ND |
| 2018-02-28 | AE16143 | ND |
| 2019-01-30 | AE52313 | ND |
| 2019-01-30 | AE52308 | ND |