Know Your Environment. Protect Your Health.

Permethrin

Enumclaw Water Department

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
2019ND60ND
2020ND20ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2019-01-2219-03078-6556ND
2019-01-2219-03078-6555ND
2019-07-0919-25925-50399ND
2019-07-0919-25925-50398ND
2019-11-2519-45205-87390ND
2019-11-2519-45205-87391ND
2020-07-0720-22959-43673ND
2020-07-0720-22959-43674ND