Permethrin
City of Henderson
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 |
---|---|---|---|---|
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 |
---|---|---|
2018-02-21 | 201802220634 | ND |
2018-02-21 | 201802220635 | ND |
2018-02-21 | 201802220636 | ND |
2018-05-16 | 201805170757 | ND |
2018-05-16 | 201805170758 | ND |
2018-11-06 | 201811080883 | ND |
2018-11-06 | 201811070975 | ND |
2018-11-06 | 201811070976 | ND |