Permethrin
City of Garden Grove
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.
22
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 | ND | 14 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-08 | 18050200-02-0062 | ND |
| 2018-05-08 | 18050201-02-0062 | ND |
| 2018-06-26 | 201807030710D | ND |
| 2018-06-26 | 201807030710R | ND |
| 2018-10-24 | 201810240294D | ND |
| 2018-10-24 | 201810240295B | ND |
| 2018-10-24 | 201810240292 | ND |
| 2018-11-29 | 201811290133 | ND |
| 2018-11-29 | 201811290134 | ND |
| 2018-11-29 | 201811290135 | ND |
| 2018-11-29 | 201811290137 | ND |
| 2018-11-29 | 201811290136 | ND |
| 2018-11-29 | 201811290132 | ND |
| 2018-12-12 | 201812120363D | ND |
| 2019-04-24 | 19040863-03 | ND |
| 2019-04-24 | 19040856-03 | ND |
| 2019-04-24 | 19040858-03 | ND |
| 2019-04-24 | 19040857-03 | ND |
| 2019-04-24 | 19040861-03 | ND |
| 2019-04-24 | 19040862-03 | ND |
| 2019-04-24 | 19040859-03 | ND |
| 2019-04-24 | 19040860-03 | ND |