Update on Oroville Dam Spillway Construction

Construction is coming along on the Oroville Dam Spillway and the Department of Water Resources says all is going well.

Posted: May. 23, 2018 4:27 PM

OROVILLE, Calif.—Construction is coming along on the Oroville Dam Spillway and the Department of Water Resources says all is going well.

Crews are still demolishing the uppermost 730 feet of the original main spillway chute.

They have started doing controlled blasting in the middle of the upper portion.

They have also started resurfacing one of the structural concrete slabs that didn’t meet the DWR’s standards last year.

As far as the emergency spillway, placement of the roller compacted concrete on the northern half of the splash pad is almost 80% complete.

Right now Lake Oroville is at about 821 feet and the DWR anticipates some water to pass through the main spillway gates until the level drops below 813 feet.

The water passing through will not have any impact on the construction.

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