Alachlor (Lasso)
Mashpee Water District
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 12 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 14 | 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 | Result |
---|---|
2014-01-21 | ND |
2014-07-29 | ND |
2015-05-27 | ND |
2015-05-27 | ND |
2015-05-27 | ND |
2015-05-27 | ND |
2015-05-27 | ND |
2015-05-27 | ND |
2015-10-07 | ND |
2015-10-07 | ND |
2015-10-07 | ND |
2015-10-07 | ND |
2015-10-07 | ND |
2015-10-07 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-04-17 | ND |
2018-11-15 | ND |
2018-11-15 | ND |
2018-11-15 | ND |
2018-11-15 | ND |
2018-11-15 | ND |
2018-11-15 | ND |
2018-11-15 | ND |