Permethrin
City of La Porte
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 |
|---|---|---|---|---|
| 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 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-03-10 | Q2009603001 | ND |
| 2020-03-10 | Q2009603006 | ND |
| 2020-03-10 | Q2009603003 | ND |
| 2020-03-10 | Q2009603004 | ND |
| 2020-03-10 | Q2009603005 | ND |
| 2020-03-10 | Q2009603002 | ND |
| 2020-06-09 | Q2023190001 | ND |
| 2020-09-29 | Q2038264002 | ND |
| 2020-09-29 | Q2038264006 | ND |
| 2020-09-29 | Q2038264001 | ND |
| 2020-09-29 | Q2038264003 | ND |
| 2020-09-29 | Q2038264004 | ND |
| 2020-09-29 | Q2038264005 | ND |
| 2020-09-29 | Q2038264007 | ND |
| 2020-12-01 | Q2047695001 | ND |