Decades after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, sediment ...

Canadian officials announced that negotiations with the United States to update the Columbia River Treaty are on hold — ...

The U.S. has paused negotiations with Canada on a keystone management plan that governs flood control, water supply and hydropower in the shared Columbia River Basin as President Donald Trump ...

Four months ago a webinar hosted by the province on the AIP raised fear over what then president-elect Trump might do to influence or block the treaty’s new agreement-in-principle. In the webinar it ...

Canada and the U.S. reached an agreement in principle on sharing Columbia River water last year. But now U.S. President ...

Canada and the U.S. have been engaged in formal talks for the last seven years to update the decades-old water sharing ...

The staff losses stand to slow down maintenance of the essential system, which will leave shippers, fishermen and others who navigate the notoriously perilous mouth of the Columbia River in a more ...

The number of salmon returning to the Columbia and Snake rivers this year is expected to beat the 10-year average return. That’s according to a new report from the National Oceanic and Atmospheric Adm ...

A documentary about an ambitious canoe trip will make its Iowa debut tonight in Davenport. The film called “Columbia River ...

PORTLAND, Ore. (KOIN) — A floating shanty that sat on the Oregon side of the Columbia River near Government Island for roughly a year was removed on Feb. 24 by the Oregon Department of State ...

PORTLAND, Ore. (KOIN) — The Columbia River Gorge was hit with flooding, rockslides and powerful winds on Feb. 23 as an atmospheric river bombarded the region, bringing record rain to downtown ...