Permethrin
Columbus Public 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.
8
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 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-01-21 | 35526244002SEA1 | ND |
| 2020-01-21 | 35526244003SEA1 | ND |
| 2020-01-22 | 35526244001SEA1 | ND |
| 2020-04-07 | 35542567001SEA2 | ND |
| 2020-06-22 | 35558132001SEA2 | ND |
| 2020-08-17 | 35571341001SEA3 | ND |
| 2020-10-13 | 35584746001SEA4 | ND |
| 2020-10-13 | 35584746002SEA4 | ND |