King County Stormwater

Public invited to provide feedback on King County’s Stormwater Management Program
Local flooding

King County residents are encouraged to learn more about annual updates to the county's stormwater management program and provide feedback on local stormwater management practices in unincorporated King County through our new online public involvement process.

This effort is part of King County's ongoing commitment to protect public health and improve environmental conditions in our local streams, rivers, lakes and Puget Sound.

Stormwater drainageStormwater is one of the significant sources of pollution of our nation's waters. The Washington State Department of Ecology (DOE) has identified stormwater as the most significant contributor to reduced water quality in Puget Sound, which is targeted for clean up by the Puget Sound Partnership.

As part of the Puget Sound clean-up strategy, The Washington State Department of Ecology used its National Pollutant Discharge Elimination System permitting authority to issue strict stormwater permits to municipalities.

King County has developed a stormwater management program to meet the requirements of the stormwater permit. The program is reviewed and updated annually, which provides the public with an ongoing opportunity to review and comment on the program’s development and implementation.

Available for Public Review:
2010 Draft King County Stormwater Management Program

To learn more about stormwater, its impacts on the environment and King County's efforts to minimize those impacts on our local waters, please watch the following videos.

These two short videos answer the following questions:Stormwater non-point source pollution

  • What is stormwater runoff?
  • What are the impacts of stormwater on the region's environment?
  • How is stormwater being regulated regionally and nationally?
  • What are King County's obligations under these regulations and what is King County doing to minimize impacts on local waters?

Video #1: What is stormwater runoff?

Video #2: Stormwater regulations and impacts

Provide your input:

Take the online stormwater survey

Let us know what you think.
Send us your comments via e-mail at stormwater@kingcounty.gov or through the U.S. mail to the Stormwater Management Team, King County Department of Natural Resources and Parks, 201 S. Jackson St., Suite 600, Seattle, WA 98104.

Public comment on the program will be accepted through March 12.

Presentations on the Stormwater Management Program to interest groups are available by request. Please email us at stormwater@kingcounty.gov.



For more information about stormwater, please visit: