Alachlor (Lasso)
City of Denison
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 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 |
---|---|---|
2014-02-25 | Q1406059009 | ND |
2014-02-25 | Q1406059010 | ND |
2015-03-03 | Q1507894010 | ND |
2015-06-15 | Q1522052003 | ND |
2016-02-16 | Q1606768005 | ND |
2016-02-16 | Q1606768006 | ND |
2017-02-07 | Q1705466003 | ND |
2017-08-08 | Q1733790003 | ND |
2018-03-13 | Q1810518010 | ND |
2019-03-04 | Q1909364004 | ND |