When Mud Mountain Dam was completed in 1948 along Washington State's White River, its purpose was straightforward. The earthen structure was built to reduce flooding across downstream communities, protecting homes, businesses and farmland from damaging seasonal flows.

Explore how the Mud Mountain Dam in Washington state evolved from flood control to a $112 million fish passage facility designed to support 1.2 million salmon migrations annually,…

When Mud Mountain Dam was completed in 1948 along Washington State's White River, its purpose was straightforward. The earthen structure was built to reduce flooding across…