Integrated Pest Management (IPM) in King County

King County and the City of Seattle have been incorporating IPM principles in their landscape management practices since 1999. IPM is a holistic approach to managing pests using biological, cultural, mechanical and chemical tools. Use the links below for details on our program.

About IPM

Information about the IPM Program in King County.

Policies & Guidelines

King County Executive Order on IPM requires county departments to develop specific IPM policies for landscape management activities.

King County IPM Guidelines describes how IPM practices are used in landscape management.

Tri-County IPM Policy, Guidelines and Final Report details how the coalition formed in 1999 in response to the listing of Chinook salmon and summarizes their efforts.

Pesticide Use

Annual status reports on IPM activities.

King County Exception Requests for using Tier I products for county vegetation management. These pesticides have been evaluated as Tier I due to the hazardous nature of the active ingredients (see "Analysis and Ratings of Pesticides Used by the City of Seattle" and "Tier table" links).

Analysis and Ratings of Pesticides Used by the City of Seattle and King County. Includes the Tier tables that ranks the active ingredient in products for hazardous constitutions.

Questions & Answers

Blackberries, Wasp removal, Weed wrenches

Schools & IPM

Pesticides and Schools - Parent Notification Law

Other Resources

Useful Links