Permethrin
Village of Caledonia Water Utility
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 | 0.0400 ppb | 1 | 1 | 0.0400 ppb |
| 2019 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-12-12 | 42258701 | 0.0400 ppb |
| 2019-03-08 | 43127001 | ND |
| 2019-03-13 | 43301001 | ND |
| 2019-03-13 | 43301101 | ND |
| 2019-07-31 | 35489573001SEA3 | ND |
| 2019-07-31 | 35489573002SEA3 | ND |
| 2019-09-11 | 46336201 | ND |
| 2019-09-11 | 46336301 | ND |