Permethrin
Irvine Ranch 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.
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 | 13 | 0 | ND |
2019 | ND | 13 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2018-05-08 | 18050199-02-0092 | ND |
2018-05-08 | 18050200-02-0092 | ND |
2018-05-08 | 18050202-02 | ND |
2018-06-26 | 201807030709 | ND |
2018-06-26 | 201807030709A | ND |
2018-06-26 | 201807030710H | ND |
2018-06-26 | 201807030711 | ND |
2018-07-25 | 201807250308A | ND |
2018-10-24 | 201810240293A | ND |
2018-10-24 | 201810240294H | ND |
2018-12-12 | 201812120362A | ND |
2018-12-12 | 201812120363H | ND |
2018-12-12 | 201812120361 | ND |
2019-03-13 | 19030307-03 | ND |
2019-03-13 | 19030309-03 | ND |
2019-03-13 | 19030308-03 | ND |
2019-09-10 | 19090274-03 | ND |
2019-09-10 | 19090276-03 | ND |
2019-09-10 | 19090275-03 | ND |
2019-10-09 | 9J10049-01 | ND |
2019-10-09 | 9J10049-02 | ND |
2019-10-09 | 9J10049-03 | ND |
2019-10-09 | 9J10049-04 | ND |
2019-11-18 | 9K22031-01 | ND |
2019-11-19 | 9K22031-03 | ND |
2019-11-19 | 9K22031-02 | ND |
2020-02-10 | 0B12055-01 | ND |
2020-02-11 | 0B12056-02 | ND |
2020-02-11 | 0B12056-01 | ND |
2020-02-12 | 0B13057-01 | ND |
2020-05-11 | 0E15049-01 | ND |
2020-05-13 | 0E15049-03 | ND |
2020-05-13 | 0E15049-02 | ND |