Cascadia Department of Interior
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The Cascadia Department of Interior is an executive department of the Republic of Cascadia responsible for the management of most public lands, building projects, transportation, and natural conservation. The department was created on September 20, 2022, as part of the Executive Reorganization Act of September 2022. It is headquartered at the DOI Headquarters building in Olympia.
The department is headed by the Secretary of Interior, who is a principal member of the cabinet and reports directly to the President of Cascadia. The current interior secretary is Princessplushie, having served since August 17, 2025.
As of mid-2025, the department is responsible for the management of 10 parks as part of the National Parks System, consisting of 649 chunks and 8 national parks, 1 national memorial, and 1 national monument. The National Parks System is administered by the National Parks Service, which is a child agency of the Department of Interior. Additionally, the department has historically led several building projects in major cities across Cascadia, including Project Seattle in summer 2023, Project Fresno in December 2023, Project Vancouver throughout 2023, and Project Olympia in March 2025. The department is also responsible for managing the nation's transportation network, including its highways and vast icerail network. The transportation systems are administered through the Cascadia Transportation Agency, another child agency of the Department of Interior.
History
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Organization
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Leadership
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