Alachlor (Lasso)
Clarence Cannon Wholesale Water Commission
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 | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | 0.120 ppb | 4 | 1 | ND - 0.480 ppb |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 | AC18957 | ND |
2014-05-27 | AC23713 | ND |
2014-08-20 | AC32494 | ND |
2014-11-28 | AC38707 | ND |
2015-02-23 | AC42523 | ND |
2015-05-26 | AC47083 | ND |
2015-08-31 | AC58051 | ND |
2015-11-19 | AC63226 | ND |
2016-02-29 | AC66899 | ND |
2016-05-24 | AC72584 | ND |
2016-08-29 | AC82260 | ND |
2016-11-02 | AC87762 | ND |
2017-02-13 | AC91349 | ND |
2017-05-22 | AC96293 | ND |
2017-08-28 | AD04065 | ND |
2017-11-29 | AD09876 | 0.480 ppb |
2018-02-19 | AD14829 | ND |
2018-05-14 | AD20834 | ND |
2018-08-06 | AD31592 | ND |
2018-11-21 | AD36115 | ND |
2019-03-04 | AD39917 | ND |
2019-05-28 | AD47801 | ND |
2019-08-20 | AD54390 | ND |
2019-11-18 | AD58415 | ND |