Alachlor (Lasso)
UNH/Durham Water Sys
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 | N/A | 0 | 0 | N/A |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2015-07-15 | 145834.01 | ND |
2015-11-04 | 150026.01 | ND |
2016-08-17 | 159563.01 | ND |
2016-11-08 | 162651.01 | ND |
2017-09-12 | 173449.01 | ND |
2017-11-07 | 175740.01 | ND |
2018-08-30 | 186067.01 | ND |
2018-11-26 | 189601.01 | ND |
2019-08-14 | 199213.01 | ND |
2019-10-23 | 202329.01 | ND |