Lake Sammamish Master Plan Update

Project summary

The project will update the park’s Redevelopment and Restoration Concept Plan, adopted by the Commission in 2007. Consideration on whether the facilities proposed in the 2007 plan are still appropriate for the park and whether any additional facilities should be considered.

State Parks partnered with the City of Issaquah to analyze the environmental implications of the projects that are ultimately included in a revised master plan. This analysis will be in the form of an Environmental Impact Statement (EIS). Additionally, State Parks will develop cost estimates and a phasing plan for the projects that are included in the revised plan.

The planning process will include multiple public meetings. With other opportunities for public input throughout the process. This page will be updated regularly throughout the process with relevant documents and with the public input received.

Project history

Background documents

Adopted Lake Sammamish Concept Plan
Wetland Stream Lakeshore Restoration Plan
Wetland Stream Lakeshore Restoration Plan
Wetland Stream Lakeshore Restoration Plan
Wetland Stream Lakeshore Restoration Plan


Critical Areas Policy 12-04-2003
Cultural Resources Management Policy - amended 11-19-2010
Protecting Natural Resources 8-2011

Stage one: Preliminary facilities planning

The purpose of this stage is to develop a preliminary list of facilities and projects to consider for the updated Master Plan.

Stage two: EIS scoping

The purpose of this stage is to begin seeking input on the possible environmental impacts of the development options identified in Stage 1. EIS scoping will begin with a public workshop on June 25, 2019 at Pickering Barn, 1730 10th Ave NW in Issaquah. Additional scoping input will be accepted through Tuesday, July 16, 2019. Please use the “Provide Comments” button above. 

Public Comment

Stage three: EIS alternatives

In this stage, alternative approaches to an updated Master Plan will be considered, and the environmental impacts of each approach will be analyzed.

Stage four: Draft EIS

In this stage, State Parks will seek input on a Draft Environmental Impact Statement.

Stage five: Final EIS

In this stage, a Final Environmental Impact Statement will be developed.

Stage six: Final Master Plan

In stage six, the Washington State Parks and Recreation Commission will consider adopting an updated Master Plan for Lake Sammamish based on the results of the Environmental Impact Statement.

Contact Us

Name Nikki Fields
Department Planning & Real Estate Program
Phone (360) 902-8651
Address 1111 Israel Road SW Tumwater , WA 98501-6512