Permethrin
Warminster Municipal Authority
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.
10
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 |
|---|---|---|---|---|
| 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 | 4 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-11-26 | 200513762C | ND |
| 2018-11-26 | 200513767C | ND |
| 2018-11-26 | 200513768C | ND |
| 2018-11-26 | 200513769C | ND |
| 2019-02-19 | 200522366A | ND |
| 2019-05-07 | 200531328A | ND |
| 2019-05-07 | 200531330A | ND |
| 2019-05-07 | 200531331A | ND |
| 2019-05-07 | 200531332A | ND |
| 2019-08-20 | 200546109A | ND |