Know Your Environment. Protect Your Health.

Permethrin

City of Sherwood

NOTE: City of Sherwood purchases water from City of Wilsonville which is required to test for permethrin. Sample information shown below was taken by City of Wilsonville.

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019N/A00N/A
2020ND10ND
2021ND10ND
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

NOTE: City of Sherwood purchases water from City of Wilsonville which is required to test for permethrin. Sample information shown below was taken by City of Wilsonville.

Date Lab ID Result
2018-03-07201803080511ND
2018-06-06201806070429ND
2018-09-05201809060636ND
2018-12-05201812060365ND