Permethrin
San Gabriel Valley Water Company - Fontana
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.
34
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 | 9 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-12-09 | 9L09090-09 | ND |
| 2019-12-09 | 9L09090-07 | ND |
| 2019-12-09 | 9L09090-06 | ND |
| 2019-12-09 | 9L09090-01 | ND |
| 2019-12-09 | 9L09090-05 | ND |
| 2019-12-09 | 9L09090-08 | ND |
| 2019-12-09 | 9L09090-04 | ND |
| 2019-12-09 | 9L09090-03 | ND |
| 2019-12-09 | 9L09090-02 | ND |
| 2020-03-09 | 0B27002-02 | ND |
| 2020-03-09 | 0B27002-07 | ND |
| 2020-03-09 | 0B27002-03 | ND |
| 2020-03-09 | 0B27002-06 | ND |
| 2020-03-09 | 0B27002-04 | ND |
| 2020-03-09 | 0B27002-05 | ND |
| 2020-03-09 | 0B27002-01 | ND |
| 2020-06-10 | 0F11059-02 | ND |
| 2020-06-11 | 0F11059-03 | ND |
| 2020-06-11 | 0F11059-01 | ND |
| 2020-07-20 | 0G20084-03 | ND |
| 2020-07-20 | 0G20084-06 | ND |
| 2020-07-20 | 0G20084-07 | ND |
| 2020-07-20 | 0G20084-05 | ND |
| 2020-07-20 | 0G20084-04 | ND |
| 2020-07-20 | 0G20084-02 | ND |
| 2020-07-20 | 0G20084-01 | ND |
| 2020-09-01 | 0I01127-05RE1 | ND |
| 2020-09-01 | 0I01127-03RE1 | ND |
| 2020-09-01 | 0I01127-06RE1 | ND |
| 2020-09-01 | 0I01127-02RE1 | ND |
| 2020-09-01 | 0I01127-01RE1 | ND |
| 2020-09-01 | 0I01127-07RE1 | ND |
| 2020-09-28 | 0I28056-01 | ND |
| 2020-12-07 | 0L07073-01 | ND |