Determination of non-significance: Chemical Sciences Building

Description of Proposal: The proposed University of Washington Chemical Sciences Building is intended to create a new academic building in Central Campus for student and faculty laboratories, collaboration spaces, and classrooms.

Location of proposal: 3919 West Stevens Way NE. The site is generally bounded by Okanogan Ln to the north and east, Benson Hall to the south, and West Stevens Way NE to the west.

Title and description of document being adopted: University of Washington 2018 Seattle Campus Master Plan Final Environmental Impact Statement (EIS). The Seattle Campus Master Plan guides development on the Seattle Campus and includes guidelines and standards for new development on the campus. It is formulated to maintain and enhance the fundamental mission of the University; its multiple important roles in undergraduate and professional education, and its dedication to research and public service. The Draft and Final EIS for the master plan analyzed the potential impacts of all identified development sites. https://facilities.uw.edu/planning/campus

As lead agency, we have identified and adopted this document as being appropriate for this proposal after independent review. This proposal and site is consistent with the Campus Master Plan. It has been determined that it does not have a probable significant adverse impact on the environment. An EIS is not required under RCW 43.21C.030(2)(c). This decision was made after adoption of the 2018 Seattle Campus Master Plan EIS for the project and preparation and review of a SEPA consistency checklist.

This DNS is issued under WAC 197-11-340(2). The comment period will end March 23, 2026.

Responsible Official: Julie Blakeslee, AICP, Environmental & Land Use Planner, jblakesl@uw.edu