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Shoreline Master Programs

Dayton Shoreline Master Program: Comprehensive Update

On May 1, 2017 the Department of Ecology approved the City of Dayton’s Shoreline Master Program (SMP) comprehensive update. Per RCW 90.58.090, the effective date of City of Dayton’s shoreline program is May 14, 2017, 14 days after Ecology provided notice to the city that their shoreline program was approved.

The comprehensive update revises the existing shoreline program, including the goals, policies, regulations, shoreline environment designations, and administrative procedures and definitions. This updated SMP increases protection and restoration of habitat and water quality, provides more certainty for development, and improves public access and recreational opportunities along nearly 4 miles of the Touchet River. The Touchet River is an important migratory corridor for steelhead, bull trout, and Chinook salmon.

Shoreline uses along the Touchet River in the City of Dayton are primarily public facilities and dikes, recreation, and residential development, with some areas of commercial and retail development.  In total, roughly 110 acres are within shoreline jurisdiction. The Dayton shoreline is dominated by the 3.2-mile Dayton Levee System, built in 1965. The levee system supports a popular recreational trail where visitors can enjoy the wildlife and views of the river.

On March 27, 2017, the Department of Ecology provided The City of Dayton with recommended changes to the city’s proposed comprehensive update of their Shoreline Master Program (SMP).

The changes are based on Ecology’s review of whether or not the proposed update complies with state laws and rules, and the city’s proposed responses to a public comment period held February 1 – March 3, 2016. 

Ecology used mail and email to notify interested parties of the public comment period. We received one comment from a private citizen with a commercial business within shoreline jurisdiction, mapped as Urban Conservancy seeking a revision to the Environment Designation for his commercial parcels.  On March 4, 2016, Ecology sent a summary of comments to the city for their response. The public comments and the city’s responses have been incorporated into Attachment A: Findings and Conclusions (below) and the Responsiveness Summary. The city re-examined the proposed setback area for the Urban Conservancy area, and re-assessed potential cumulative effects of a slightly smaller buffer, finding that a smaller setback would address the commenters concerns, while providing even application of the criteria and preventing net loss of ecological function. Ecology concurs with this approach and is sending the proposed changes to the locally adopted SMP back to the city for formal action.

Documents related to approval

Note: All documents are PDF.

Paper copies of the above documents are available by contacting Jeremy Sikes, Washington Department of Ecology (see Staff contact, below).


  • Per RCW 90.58.190(2) and RCW 36.70A.290, an interested party may file an appeal with the Growth Management Hearings Board within 60 days of the publication date of Ecology’s written notice of final action.
  • Ecology plans to publish the notice of final action in the Dayton Chronicle legal ads on June 15, 2017.

Staff Contact

Washington Department of Ecology
Eastern Regional Office
4601 N Monroe Street
Spokane, Washington 99205
Staff contact: Jeremy Sikes

For more information

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