The earthen dam is 142 feet in height and impounds the Heart River.
Today, large dams impound the river and almost all of its major tributaries.
The dam also impounds the lower reach of the Crooked River.
This dam impounds reservoir waters near the top of a hill.
On 24 February 2012, the dam's diversion tunnel seal broke while the dam was impounding the river for the first time.
This dam impounds the tail race water from the first and second stages.
The dam impounded the last few miles of the Sanpoil River as well.
Currently, the dam does not impound a reservoir and a large segment of its lower downstream face has fallen off.
The dam is 126 feet high and impounds 183,465 acre-feet.
Many small dams impound its waters, most of them built long ago to power mills or generate electricity.