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Puget Sound Institute logo

The Puget Sound Institute (PSI) catalyzes the collective actions of scientists, engineers and policymakers to restore and protect the Puget Sound and greater Salish Sea ecosystem by synthesizing and integrating research findings into timely foundations for informed decisions. Since its founding in 2010, PSI has advanced our understanding of the region through synthesis, original research and communication in support of state and federal agencies, tribes and other organizations working in the region. PSI receives major funding from the Puget Sound Partnership and the EPA.

Encyclopedia of Puget Sound logo

The Encyclopedia of Puget Sound is a comprehensive guide to the science of Salish Sea ecosystem recovery. Articles on this site describe the region's major environmental threats and areas of concern, but also the facts and stories that make the Salish Sea an estuary of international importance. The website is a product of the University of Washington Puget Sound Institute and receives major support from the Environmental Protection Agency's National Estuary Program.

Washington Stormwater Center logo

Washington Stormwater Center serves NPDES permittees and stormwater managers as they navigate the complexities and challenges of stormwater management. We provide tools for stormwater management by supporting municipalities, stormwater permittees, and businesses in their efforts to control stormwater and protect water quality.