Permethrin
Norwich Public Utilities
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.
9
Samples
0
Samples exceeding legal limit (MCL)
0
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 9 | 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
| Date | Lab ID | Result |
|---|---|---|
| 2020-03-05 | 200568447A | ND |
| 2020-03-05 | 200568448A | ND |
| 2020-03-05 | 200568449A | ND |
| 2020-06-04 | 200578114A | ND |
| 2020-06-04 | 200578115A | ND |
| 2020-09-17 | 200590856A | ND |
| 2020-09-17 | 200590857A | ND |
| 2020-09-17 | 200590858A | ND |
| 2020-12-10 | 200600956A | ND |