Permethrin
Temescal Valley Water District
NOTE: Temescal Valley Water District purchases water from Western Municipal Water District which is required to test for permethrin. Sample information shown below was taken by Western Municipal 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.
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 | 3 | 0 | ND |
2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Temescal Valley Water District purchases water from Western Municipal Water District which is required to test for permethrin. Sample information shown below was taken by Western Municipal Water District.
Date | Lab ID | Result |
---|---|---|
2018-01-10 | B8A1075-01_EPA 5 | ND |
2018-02-07 | B8B0651-01_EPA 5 | ND |
2018-04-11 | B8D1468-01 | ND |
2018-04-11 | B8D1468-02 | ND |
2018-07-11 | B8G1432-01 | ND |
2018-07-11 | B8G1432-02 | ND |
2018-10-10 | B8J1617-01 | ND |
2018-10-10 | B8J1617-02 | ND |