Alachlor (Lasso)
Rison Waterworks
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 |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 6 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 | 14037002906 | ND |
2014-02-05 | 14037002806 | ND |
2014-05-05 | 14128006606 | ND |
2014-05-05 | 14128006506 | ND |
2017-01-16 | 17018000406 | ND |
2017-01-16 | 17018000306 | ND |
2017-06-07 | 17158001806 | ND |
2017-06-07 | 17158001906 | ND |
2017-10-04 | 17278011301 | ND |
2017-10-04 | 17278011401 | ND |
2018-03-21 | 18081001501 | ND |
2018-03-21 | 18081001601 | ND |