Permethrin
East Biggs Water System
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 | 0.00169 ppb | 39 | 1 | ND - 0.0660 ppb |
| 2019 | ND | 8 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-02-25 | 35450347001SEA1 | ND |
| 2019-02-25 | 35450347002SEA1 | ND |
| 2019-05-23 | Q1928554001 | ND |
| 2019-05-23 | Q1928554002 | ND |
| 2019-08-21 | Q1957989001 | ND |
| 2019-08-21 | Q1957989002 | ND |
| 2019-11-13 | Q1976832001 | ND |
| 2019-11-13 | Q1976832002 | ND |