Alachlor (Lasso)
Northwest Grayson County Water Control and Improvement District 1
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 3 | 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 |
|---|---|---|
| 2016-11-03 | Q1647470003 | ND |
| 2016-11-03 | Q1647470006 | ND |
| 2017-11-14 | Q1758443013 | ND |
| 2018-02-21 | Q1807299001 | ND |
| 2018-05-29 | Q1821406005 | ND |
| 2018-09-10 | Q1835971003 | ND |
| 2019-03-06 | Q1909735009 | ND |
| 2019-03-06 | Q1909735003 | ND |