Alachlor (Lasso)
Somersworth Water Works
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 | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 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 |
---|---|---|
2014-05-19 | A402502001 | ND |
2014-08-28 | A407278002 | ND |
2015-09-24 | 1509-01919-001 | ND |
2016-08-18 | 1608-02224-001 | ND |
2017-08-08 | 1708-01180-001 | ND |
2018-09-18 | 1809-02395-001 | ND |
2019-08-27 | 1908-03785-001 | ND |