Permethrin
Notla Water Authority
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.
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 | 9 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2019-06-12 | 35475104001SEA1 | ND |
2019-06-12 | 35475104003SEA1 | ND |
2019-06-12 | 35475104004SEA1 | ND |
2019-08-05 | 35487962001SEA1 | ND |
2019-09-23 | 35499916001SEA2 | ND |
2019-12-02 | 35515759001SEA2 | ND |
2019-12-02 | 35515759002SEA2 | ND |
2019-12-02 | 35515759003SEA2 | ND |
2019-12-02 | 35515759004SEA3 | ND |
2020-02-19 | 35532057001SEA4 | ND |