Washington dams

An Associated Press investigation has found 50 dams in Washington state that are classified as high-hazard and in poor condition. Dams are categorized by the hazard they pose were they to fail. A high-hazard dam is likely to result in the loss of at least one human life if it were to fail.

The Chehalis River has flooded 18 times in the past 20 years, sometimes submerging Interstate 5 near Olympia. The local Flood Control Zone District is…

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

Seattle City Light has finalized a new 42-year license on its most productive hydroelectric dam. The agreement wraps up a process seven years in the…

OLYMPIA, Wash. – The Northwest is known for its big hydroelectric dams. But across the region there are also hundreds of smaller non-hydro dams. Some of…