Permethrin
Wells Branch MUD 1
NOTE: Wells Branch MUD 1 purchases water from City of Austin Water & Wastewater which is required to test for permethrin. Sample information shown below was taken by City of Austin Water & Wastewater.
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.
Samples
Samples exceeding legal limit (MCL)
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Wells Branch MUD 1 purchases water from City of Austin Water & Wastewater which is required to test for permethrin. Sample information shown below was taken by City of Austin Water & Wastewater.
| Date | Lab ID | Result |
|---|---|---|
| 2019-01-10 | Q1901237001 | ND |
| 2019-01-10 | Q1901237002 | ND |
| 2019-01-10 | Q1901237003 | ND |
| 2019-04-18 | Q1915643001 | ND |
| 2019-04-18 | Q1915643002 | ND |
| 2019-04-18 | Q1915643003 | ND |
| 2019-07-19 | Q1946208001 | ND |
| 2019-07-19 | Q1946208002 | ND |
| 2019-07-19 | Q1946208003 | ND |
| 2019-10-30 | Q1974542001 | ND |
| 2019-10-30 | Q1974542002 | ND |
| 2019-10-30 | Q1974542003 | ND |