dams

U.S. Army Corps of Engineers

The state of the salmon population in Idaho’s Snake River was the topic of a passionate discussion during a conference hosted by members of Idaho’s Nez Perce Indian tribe over the weekend.

California Department of Water Resources

Northwest residents are surrounded by thousands of dams, some in disrepair. And now the emergency at California’s Oroville Dam has sharpened interest in dam safety.

Grant County PUD

A surgeon at Harborview Medical Center in Seattle said the serious burns to five electricians and dam operators injured in Thursday’s explosion at Priest Rapids Dam in central Washington are consistent with "arc flash."

Anna King / Northwest News Network

Updated -- Officials with the Grant County Public Utility District say an electrical equipment failure is to blame for an explosion at Priest Rapids Dam Thursday that injured six workers, two critically.

Grant County PUD

An explosion at a central Washington dam Thursday afternoon injured six workers, two critically. Harborview Medical Center in Seattle was treating five workers who were airlifted to the hospital, including two who were in critical condition. Three other patients are in satisfactory condition and being treated for burns.

US Army Corps of Engineers

An audacious proposal to revive the Columbia River’s historic Celilo Falls drew heavy flak when it was aired at the Oregon Legislature Thursday.

Tom Banse / Northwest News Network

Lewiston, Idaho has had unusual bragging rights for the past 40 years. It's the farthest inland seaport on the West Coast -- 465 miles upriver from the Pacific Ocean.

Anna King / Northwest News Network

The State of Washington and residents in Okanogan County are concerned that more small dams could be at risk of failing after three of them burst in a thunderstorm event last week near Twisp in northcentral Washington.

MrPanyGoff / Wikimedia

Hydropower dams built without fish ladders have blocked migratory fish from the upper reaches of the Columbia and Snake Rivers for decades.

Bill Barrett, Wikimedia. A view of Kerr Dam with the gates at full open in June 2011.

The Northwest hydropower system is full of dams that were built over the strenuous objections of Native American tribes. Now, two of these old projects are changing ownership -- one in Western Montana and another in central Oregon.

And it’s the tribes that were once powerless to stop them that are becoming the new managers.

The Kerr Dam went up on the Flathead Indian Reservation in the 1930s. It’s north of Missoula. Homesteaders and farmers used it for irrigation and it still generates electricity to this day.