Alachlor (Lasso)
Harris County MUD 55 Heritage Park
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 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 |
|---|---|---|
| 2014-02-14 | AC43198 | ND |
| 2014-02-14 | AC43200 | ND |
| 2015-01-16 | AC76660 | ND |
| 2015-01-16 | AC76661 | ND |
| 2016-05-11 | AD36488 | ND |
| 2016-06-20 | AD41244 | ND |
| 2017-01-25 | AD66939 | ND |
| 2017-05-24 | AD85577 | ND |
| 2018-01-23 | AE09964 | ND |
| 2018-01-23 | AE09965 | ND |
| 2019-02-26 | AE56111 | ND |
| 2019-02-26 | AE56118 | ND |