Permethrin
City of Nogales
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 | ND | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-11-15 | 4125373 | ND |
| 2018-11-15 | 4125143 | ND |
| 2018-11-15 | 4125188 | ND |
| 2018-11-15 | 4125270 | ND |
| 2018-11-28 | 4135381 | ND |
| 2018-11-28 | 4135306 | ND |
| 2019-05-29 | 4310029 | ND |
| 2019-05-29 | 4309996 | ND |
| 2019-05-29 | 4309978 | ND |
| 2019-05-29 | 4310035 | ND |
| 2019-05-29 | 4309966 | ND |
| 2019-05-29 | 4310003 | ND |