Permethrin
North Shelby Water District
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 | 12 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-03-21 | 4234947 | ND |
| 2019-03-21 | 4234975 | ND |
| 2019-03-21 | 4234951 | ND |
| 2019-06-24 | 4335591 | ND |
| 2019-06-24 | 4335587 | ND |
| 2019-06-24 | 4335575 | ND |
| 2019-09-27 | 4443507 | ND |
| 2019-09-27 | 4443395 | ND |
| 2019-10-08 | 4449569 | ND |
| 2019-12-17 | 4520130 | ND |
| 2019-12-17 | 4520136 | ND |
| 2019-12-17 | 4520090 | ND |