Permethrin
City of Fort Worth
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.
18
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 | 13 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-13 | 3961600 | ND |
| 2018-06-13 | 3961202 | ND |
| 2018-06-13 | 3961321 | ND |
| 2018-06-13 | 3961185 | ND |
| 2018-07-18 | 3994733 | ND |
| 2018-09-05 | 4047545 | ND |
| 2018-09-05 | 4047579 | ND |
| 2018-09-05 | 4047569 | ND |
| 2018-10-17 | 4093081 | ND |
| 2018-12-12 | 4148606 | ND |
| 2018-12-12 | 4148315 | ND |
| 2018-12-12 | 4149047 | ND |
| 2018-12-12 | 4148304 | ND |
| 2019-03-21 | 4234383 | ND |
| 2019-03-21 | 4234968 | ND |
| 2019-03-21 | 4234387 | ND |
| 2019-03-21 | 4235052 | ND |
| 2019-03-21 | 4234391 | ND |