Physical hydraulic models have been used for many years to optimise the design of civil engineering hydraulic structures such as dam spillways, pumping stations, sewer drop shafts ... relationship ...

The California Department of Water Resources says the plan is to drop large rocks and boulders, called rip-rap, into the erosion causing concern at the emergency spillway. DWR's hope is that they ...

As one of two people who descended 260 feet down into the Glory Hole spillway at Whiskeytown Dam ... Water goes down the lake's drop inlet, or Glory Hole, when the lake level reaches the 1,211 ...

But Thursday evening, DWU's assistant director Randy Payton discovered the lake indeed had an issue along the spillway that has caused water levels to drop between four to six inches — a ...