Permethrin
Chesterfield County Central Water System
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 | ND | 6 | 0 | ND |
2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2018-08-07 | 201808080986 | ND |
2018-08-07 | 201808080973 | ND |
2018-08-07 | 201808080847 | ND |
2018-11-15 | 201811160130 | ND |
2018-11-15 | 201811160122 | ND |
2018-11-15 | 201811160123 | ND |
2019-02-07 | 4203388 | ND |
2019-02-07 | 4203465 | ND |
2019-02-07 | 4203463 | ND |
2019-05-14 | 201905150335 | ND |
2019-05-14 | 201905150336 | ND |
2019-05-14 | 201905150337 | ND |