Permethrin
City of Walterboro
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.
18
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-02-18 | 4568684 | ND |
| 2020-02-18 | 4568403 | ND |
| 2020-02-18 | 4568690 | ND |
| 2020-02-18 | 4567939 | ND |
| 2020-02-18 | 4568174 | ND |
| 2020-02-24 | 4572675 | ND |
| 2020-02-24 | 4572865 | ND |
| 2020-02-24 | 4572700 | ND |
| 2020-05-12 | 4626513 | ND |
| 2020-09-24 | 4734585 | ND |
| 2020-09-24 | 4734578 | ND |
| 2020-09-24 | 4734572 | ND |
| 2020-09-24 | 4734669 | ND |
| 2020-09-28 | 4736580 | ND |
| 2020-09-28 | 4736574 | ND |
| 2020-09-28 | 4736598 | ND |
| 2020-09-28 | 4736616 | ND |
| 2020-11-05 | 4769211 | ND |