Permethrin
City of Chesapeake - Northwest River System
Permethrin is an insecticide used on agricultural crops, but most uses are non-agricultural. It can be applied to residential areas to control mosquitoes and ticks and also used as a bug repellent on clothing, as well as medical applications to treat head lice. Long-term exposure to permethrin may harm the liver.
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 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 8 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2018-03-05 | 3885316 | ND |
2018-03-05 | 3885727 | ND |
2018-07-23 | 3999452 | ND |
2018-07-23 | 3999456 | ND |
2018-11-30 | 4139098 | ND |
2018-11-30 | 4139095 | ND |
2018-12-03 | 4140239 | ND |
2018-12-03 | 4140337 | ND |