Permethrin
City of Henderson
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 |
|---|---|---|---|---|
| 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 | 8 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-05-20 | Q1928069001 | ND |
| 2019-05-20 | Q1928069002 | ND |
| 2019-05-20 | Q1928069003 | ND |
| 2019-05-20 | Q1928069004 | ND |
| 2019-05-20 | Q1928069006 | ND |
| 2019-05-20 | Q1928069007 | ND |
| 2019-05-29 | Q1929893001 | ND |
| 2019-08-05 | Q1950819001 | ND |
| 2020-02-25 | Q2006971001 | ND |