The Lake Oroville spillway’s 400-acre construction site is an intense flurry of activity. In one corner, an excavator driver uses an old tire as a squeegee to clean away loose rock and prep a ...

ABOVE: Crews remove material from the hillside near the upper chute of the main spillway. Excavators dig out the new section of cut-off wall while roller-compacted concrete (RCC) continues to be laid ...

More than seven months after Oroville Dam’s problematic primary and emergency spillways prompted widespread evacuations, the Department of Water Resources gave an up-close look at the construction.The ...

Department of Water Resources officials said they reached a "milestone" Wednesday in the reconstruction of the collapsed Oroville Dam spillway.Phase 1 of the spillway construction was completed by DWR ...

Oroville >> The state Department of Water Resources now estimates the total cost of spillway reconstruction, related recovery work and emergency response will total $870 million by January of next ...

An independent analysis of the spillway failure at Oroville Dam concludes that extensive sections of the concrete structure disintegrated due to a series of design, construction and maintenance flaws ...

Oroville – The wide-open middle section of the Oroville Dam spillway is 70 percent filled, with the deadline for this season’s work fast approaching. The contractor Kiewit Infrastructure West Co.