Permethrin
Warren County Water System
NOTE: Warren County Water System purchases water from Henderson-Kerr Lake Reg Water which is required to test for permethrin. Sample information shown below was taken by Henderson-Kerr Lake Reg Water.
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: Warren County Water System purchases water from Henderson-Kerr Lake Reg Water which is required to test for permethrin. Sample information shown below was taken by Henderson-Kerr Lake Reg Water.
| Date | Lab ID | Result |
|---|---|---|
| 2019-01-14 | 4172925 | ND |
| 2019-02-05 | 4189361 | ND |
| 2019-05-07 | 4287209 | ND |
| 2019-08-06 | 4379578 | ND |