The earthfill dam was built in 1958, and the northernmost of four hydroelectric dams, and the only one in Oregon, removed by the Klamath River Renewal Corporation.

However, in 2017 the earthfill dam’s spillway was fully employed due to record amounts of snow runoff, revealing major flaws. As the concrete spillway collapsed, releases were shifted into an ...

However, in 2017 the earthfill dam’s spillway was fully employed due to record amounts of snow runoff, revealing major flaws. As the concrete spillway collapsed, releases were shifted into an ...

Its earthfill dam would also be more susceptible to erosion and failure during large flood events compared to the relocated ...

Coordinated studies by fisheries biologists and scientists from tribes, non-profit organizations, and state and federal ...

Richard Coackley, former president of the Institution of Civil Engineers, said the structures, also referred to as earthfill or embankment dams, feature: A core made from puddle clay, the same ...