Permethrin
Mesa 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.
15
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 | 9 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-08 | 18050200-02-0004 | ND |
| 2018-06-26 | 201807030710J | ND |
| 2018-08-28 | 201808310490 | ND |
| 2018-08-28 | 201808310493 | ND |
| 2018-08-28 | 201808310491 | ND |
| 2018-10-24 | 201810240294J | ND |
| 2018-11-07 | 201811070527 | ND |
| 2018-11-07 | 201811070526 | ND |
| 2018-12-12 | 201812120363J | ND |
| 2019-02-26 | 19020547-03 | ND |
| 2019-02-26 | 19020545-03 | ND |
| 2019-02-26 | 19020546-03 | ND |
| 2019-02-26 | 19020544-03 | ND |
| 2019-02-26 | 19020548-03 | ND |
| 2019-03-14 | 19030367-03 | ND |