Permethrin
Lake Hemet Municipal Water District
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.
20
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 | ND | 18 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-04-10 | 201904110634 | ND |
| 2019-04-10 | 201904110641 | ND |
| 2019-04-10 | 201904110635 | ND |
| 2019-04-10 | 201904110633 | ND |
| 2019-04-10 | 201904110640 | ND |
| 2019-04-11 | 201904110631 | ND |
| 2019-04-11 | 201904110645 | ND |
| 2019-04-11 | 201904110637 | ND |
| 2019-04-11 | 201904110618 | ND |
| 2019-10-02 | 201910030691 | ND |
| 2019-10-02 | 201910030696 | ND |
| 2019-10-02 | 201910030702 | ND |
| 2019-10-02 | 201910030690 | ND |
| 2019-10-03 | 201910030657 | ND |
| 2019-10-03 | 201910030652 | ND |
| 2019-10-03 | 201910030701 | ND |
| 2019-10-03 | 201910030658 | ND |
| 2019-10-03 | 201910030698 | ND |
| 2020-06-08 | 202006090171 | ND |
| 2020-12-07 | 202012080158 | ND |