Permethrin
Polk County Water 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.
12
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 |
|---|---|---|---|---|
| 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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 10 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-05-07 | 4285208 | ND |
| 2019-05-07 | 4285250 | ND |
| 2019-05-07 | 4285470 | ND |
| 2019-05-07 | 4285204 | ND |
| 2019-08-21 | 4395668 | ND |
| 2019-08-21 | 4395839 | ND |
| 2019-11-04 | 4475566 | ND |
| 2019-11-04 | 4475550 | ND |
| 2019-11-04 | 4475490 | ND |
| 2019-11-05 | 4477294 | ND |
| 2020-02-11 | 4562057 | ND |
| 2020-02-11 | 4561637 | ND |