Permethrin
Metropolitan District Commission
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.
12
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 | ND | 9 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-05-06 | 9050491-01B | ND |
| 2019-05-06 | 9050491-02B | ND |
| 2019-05-06 | 9050491-03B | ND |
| 2019-08-05 | 9081032-01B | ND |
| 2019-08-05 | 9081032-02B | ND |
| 2019-09-04 | 9083997-01B | ND |
| 2019-11-04 | 9110531-01B | ND |
| 2019-11-04 | 9110531-02B | ND |
| 2019-11-04 | 9110531-03B | ND |
| 2020-02-03 | 0020002-01B | ND |
| 2020-02-03 | 0020002-02B | ND |
| 2020-02-03 | 0020002-03B | ND |