Glen Canyon Dam — completed in 1966, just two years before the 770-foot Oroville Dam went into operation — opened its two spillways for the first time ever to lower the lake levels.

The Montana dam spillways suffers a hole the size of a semi-truck and trailer. 1977: The Karun Dam in Iran has more than 7,500 feet of concrete torn up on its concrete spillways.

New aerial footage shot by a drone shows the main spillway at Oroville Dam in Northern California, wrecked during heavy winter storms in February, slowly being rebuilt. Hundreds of construction ...

Today’s feature on the Frame discusses the utilization of water sources to produce hydropower with the use of dams and the ...

SACRAMENTO (CBS13) — Officials with the Department of Water Resources are mulling over temporary and permanent solutions to the Oroville Dam Spillway crisis.

How did a giant, gaping hole tear through the massive Oroville Dam’s main concrete spillway last week, setting in motion the chain of events that could have led to one of America’s de… ...

When operators of Oroville Dam suddenly ordered evacuations on Sunday, it focused a big spotlight on a crucial piece of California’s flood-control infrastructure – spillways.

Just in time for the rainy season. The California Department of Water Resources announced it made the Nov. 1 deadline of repairing and reconstructing the main gated flood control spillway at Lake ...

When operators of Oroville Dam suddenly ordered evacuations on Sunday, it focused a big spotlight on a crucial piece of California’s flood-control infrastructure – spillways.

When operators of Oroville Dam suddenly ordered evacuations on Sunday, it focused a big spotlight on a crucial piece of California’s flood-control infrastructure – spillways.

Parts of the 3,300-foot concrete spillway chute began to disintegrate on Feb. 7, 2017, as dam managers released water to make way for heavy runoff unleashed by a series of warm winter storms.