Permethrin
Ellensburg Water Department
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.
14
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 | 7 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-22 | 18-31823-64518 | ND |
| 2018-08-22 | 18-31823-64520 | ND |
| 2018-08-22 | 18-31823-64522 | ND |
| 2018-08-22 | 18-31823-64524 | ND |
| 2018-08-22 | 18-31823-64526 | ND |
| 2018-08-22 | 18-31823-64528 | ND |
| 2018-08-22 | 18-31823-64530 | ND |
| 2019-02-06 | 19-04372-9106 | ND |
| 2019-02-06 | 19-04372-9107 | ND |
| 2019-02-06 | 19-04372-9108 | ND |
| 2019-02-06 | 19-04372-9109 | ND |
| 2019-02-06 | 19-04372-9110 | ND |
| 2019-02-06 | 19-04372-9111 | ND |
| 2019-02-06 | 19-04372-9112 | ND |