Alachlor (Lasso)
Portsmouth Water & Fire 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 | 0.00455 ppb | 22 | 1 | ND - 0.1000 ppb |
2015 | ND | 11 | 0 | ND |
2016 | ND | 14 | 0 | ND |
2017 | ND | 30 | 0 | ND |
2018 | ND | 20 | 0 | ND |
2019 | ND | 19 | 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 |
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