Alachlor (Lasso)
Exeter Water Department
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 | 3 | 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 |
---|---|---|
2014-07-09 | 133509.01 | ND |
2014-10-09 | 136708.02 | ND |
2015-04-02 | 141763.01 | ND |
2015-07-16 | 145750.01 | ND |
2015-09-09 | 147823.01 | ND |
2016-02-10 | 152998.01 | ND |
2016-07-13 | 158246.01 | ND |
2017-07-11 | 170940.01 | ND |
2017-10-11 | 174517.01 | ND |
2018-07-11 | 184059.01 | ND |
2018-10-03 | 187376.01 | ND |
2019-07-10 | 197719.01 | ND |
2019-10-08 | 201538.01 | ND |