Puget Sound Olympia

Municipal Stormwater

Sample Stormwater Management Program (SWMP) documents

The Phase II municipal permits require that permittees developand annually updatea Stormwater Management Program (SWMP) document to submit with the annual report. This page provides example SWMP documents submitted to Ecology in early 2008 with first year annual reports.

SWMP documents have 3 audiences and purposes:

  1. General public – to inform and involve them in developing the stormwater program.

  2. Ecology – to report on plans for implementing the permit in the coming year.

  3. Elected officials and local staff – to use as an internal planning document.

The examples on this page vary in style and length depending on the size and nature of the permitted entity. Because the SWMP is a public involvement document, Ecology recommends that permittees summarize permit language on requirements rather than duplicating it in the SWMP. However, some permittees have included permit language prior to listing current and planned activities.  

Western Washington Phase II Cities and Counties







Oak Harbor

Edmonds Pacific

Federal Way 

Port Angeles 


Thurston County

Granite Falls 



Eastern Washington Phase II Cities and Counties



Spokane Valley


Douglas County


Secondary Permittees


Port of Bellingham

Port of Chelan County

The Evergreen State College

Central Washington University

Skagit Drainage and Irrigation District #19

Cowlitz County Consolidated Diking District #1

Sunnyside Valley Irrigation District