This page provides stormwater manuals, sample stormwater detention facility inspection forms, and other related materials for local governments in Washington State.
Washington State Stormwater Manuals
Linked below are chapters from the Department of Ecology's Stormwater Management Manuals for Washington State that are relevant to stormwater facility maintenance.
Local Stormwater Maintenance Manuals
Below are examples of stormwater facility maintenance manuals adopted by cities and counties in Washington.
Sample Inspection Forms
Below are examples of stormwater detention facility inspection forms and checklists.
Public Information About Stormwater Facility Maintenance
Below are examples of local government websites and brochures that explain runoff, stormwater management, and maintenance to the public.