Alachlor (Lasso)
Benton - Washington Regional Public Water Authority
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 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 5 | 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 |
---|---|---|
2014-03-11 | 14072007506 | ND |
2014-04-01 | 14092001306 | ND |
2017-01-31 | 17033014206 | ND |
2017-03-22 | 17082000301 | ND |
2017-04-18 | 17110001206 | ND |
2017-09-26 | 17271001901 | ND |
2017-11-20 | 17326001201 | ND |
2018-01-24 | 18025006101 | ND |
2018-02-27 | 18059002001 | ND |