Know Your Environment. Protect Your Health.

Permethrin

City of Forest Grove

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

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND80ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2019-01-08A9A1683-01ND
2019-01-08A9A1683-02ND
2019-04-1635462309001SEA2ND
2019-04-1635462309002SEA2ND
2019-07-0835480346001SEA3ND
2019-07-0835480346002SEA3ND
2019-10-2935508346001SEA4ND
2019-10-2935508346002SEA4ND