Skip to main content
U.S. flag

An official website of the United States government

Northwest-Pacific Islands Region

Welcome to the USGS Northwest-Pacific Islands Region website. Our seven science centers conduct a wide array of impartial, multi- and interdisciplinary research and monitoring on natural-resource issues in the states of Hawaiʻi, Washington, Oregon, Idaho, and Western Montana and the United States Pacific Territories of American Samoa, Guam, and the Northern Marianas.



Smallmouth bass mercury levels linked to habitat types along the Snake River 


New project webpage: Modeling the water-quality effects to the Klamath River from drain recirculation


USGS study highlights potential of significant critical mineral resources in the Western U.S.