Permethrin
Los Angeles Department of Water and Power
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.
20
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 | 10 | 0 | ND |
| 2019 | ND | 10 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-03 | BB14727_EPA525-3 | ND |
| 2018-07-03 | BB14728_EPA525-3 | ND |
| 2018-07-03 | BB14829_EPA525-3 | ND |
| 2018-07-03 | BB14726_EPA525-3 | ND |
| 2018-07-03 | BB14830_EPA525-3 | ND |
| 2018-10-02 | BB22360 | ND |
| 2018-10-02 | BB22362 | ND |
| 2018-10-02 | BB22361 | ND |
| 2018-10-02 | BB22417 | ND |
| 2018-10-02 | BB22418 | ND |
| 2019-01-24 | BC01958 | ND |
| 2019-01-24 | BC02005 | ND |
| 2019-01-24 | BC01959 | ND |
| 2019-01-24 | BC01927 | ND |
| 2019-01-24 | BC02004 | ND |
| 2019-04-02 | BC07573 | ND |
| 2019-04-02 | BC07639 | ND |
| 2019-04-02 | BC07574 | ND |
| 2019-04-02 | BC07638 | ND |
| 2019-04-02 | BC07640 | ND |