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NPDES
Stormwater Management Program
This document has been prepared to meet the City of Des Moines’ Western Washington Phase II Municipal Stormwater Permit requirement for written documentation of the City’s Stormwater Management Program (SWMP). 

The City’s SWMP is intended to reduce the discharge of pollutants from the City’s Municipal Separate Storm Sewer System (MS4) to the maximum extent practicable (MEP), meet Washington State, All Known, Available and Reasonable methods of Treatment (AKART) requirements, and protect water quality.  This goal will be accomplished by the inclusion of all permit SWMP components and implementation schedules into the City’s existing SWMP.

Where the City is already implementing components called for in this permit, the City will continue those actions or activities to the existing extent required, regardless of the schedule called for in this document.

The City will implement an ongoing program for the gathering, tracking, maintaining and using information to evaluate the SWMP development, implementation and permit compliance and to set priorities.  Beginning no later than January 1, 2009, the City will begin to track the cost of development and implementation of each component of the SWMP. 


Contact Us
To Report any Illegal Discharge, Spill or Dumping please call (206) 870-6869.

During non- business hours call the Police Department Non-Emergency number at (206) 878-3301.