Know Your Environment. Protect Your Health.

Permethrin

City of Mountlake Terrace

NOTE: City of Mountlake Terrace purchases water from Alderwood Water District which is required to test for permethrin. Sample information shown below was taken by Alderwood Water District.

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
2018ND10ND
2019ND30ND
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

NOTE: City of Mountlake Terrace purchases water from Alderwood Water District which is required to test for permethrin. Sample information shown below was taken by Alderwood Water District.

Date Lab ID Result
2018-02-0618-04154-8572ND
2018-05-0818-16312-33499ND
2018-08-0818-29762-60144ND
2018-11-0718-42196-85856ND