Shoreline Master Program

See also: Environmentally Critical Areas (ECA) Code, Floating ResidencesLand Use CodeState Environmental Policy Act (SEPA) Code

What Is It?

The Shoreline Master Program (23.60A) regulates development in the city’s shoreline environments to:

  • Protect shoreline ecosystems
  • Respond to pollution discharges into bodies of water
  • Encourage water-dependent uses
  • Provide for maximum public use and enjoyment of the shorelines
  • Preserve, enhance, and increase views of and access to the water

Our ordinance requires that you:

Other Resources

For emergency spill response, contact Department of Ecology’s 24-hour hotline at 1-800-OILS-911. 

For pollution discharges into lakes, creeks, and public storm drains, contact Seattle Public Utilities or call the Surface Water Pollution Report Line at (206) 684-7587.

To find out if the spill is also a shoreline violation, call (206) 615-0808.

What It Isn’t

This ordinance does not cover:

Read the Code

Recent Changes

Amendments to the definition of vessel took effect on November 12, 2019. 

Please see the SMP Vessel Definition Signed Ordinance, the final approval from Department of Ecology, Ecology's Findings and Conclusions, and SDCI's Vessel Definition Director's Report for additional information regarding this amendment. Contact Maggie Glowacki at (206) 386-4036, or email her at margaret.glowacki@seattle.gov, with questions regarding this amendment.