A mechanical failure at a pump station led to a sewage overflow that discharged into the Columbia River, the city of Astoria said Tuesday. Crews were working to restore functionality to Pump Station 1 ...

Climate Lab is a Seattle Times initiative that explores the effects of climate change in the Pacific Northwest and beyond.

Imagine a six-inch-thick, high-voltage electricity transmission line running underwater on the bottom of the Columbia River, ...

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 ...

Flood risk management, hydropower generation and salmon runs will suffer if the United States and Canada don’t renew a key ...

The Columbia River snakes through the Columbia River Gorge, seen from the Cape Horn lookout in May. The most recent biennium ...

The overflow, a mix of stormwater and sewage ... the number of overflows has decreased by 94 percent to the Willamette River and 99 percent to the Columbia Slough. Before the project, overflows ...

The City of Columbia reported the most sewage spills, 85 overflow spills totaling just ... Murray and the other half comes out of the Broad River canal. A lot of the spillage is happening ...

Washington lawmakers, dealing with a state budget crisis, are looking to make cuts and the Columbia River Gorge Commission is potentially in the crosshairs.

The nations were trying to finalize updates to the 61-year-old Columbia River Treaty governing shared, cross-border water and hydropower management The U.S. has paused negotiations with Canada on ...

PORTLAND, Ore. — The Historic Columbia River Highway is closed between Larch Mountain Road and the Vista House due to roadway settling, the Oregon Department of Transportation said. "This will ...