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Nielsen & Gallagher Refute DWR’s Assessment Of Oroville Dam Repairs

SAN FRANCISCO (AP) – California officials say they’re ordering a comprehensive safety review at the tallest dam in the U.S. to pinpoint needed upgrades after a dramatic spillway collapse earlier this year. State Department of Water Resources Deputy Director Joel Ledesma said Wednesday the review of the Oroville Dam will involve federal, state and private experts. Officials ordered nearly 200,000 people evacuated when Oroville Dam’s main spillway collapsed in February. Authorities now say they have finished repairs to make the spillway operable through the coming rainy season. An independent panel of national dam experts has said California could have identified the problems that led to the spillway collapse if officials had reviewed problems with the dam’s original design and construction. Water officials expect to complete the examination of the dam in September 2019. The two state legislators for that area, Senator Jim Nielsen and Assemblyman Jim Gallagher, refute the claim that the job is done. They say the Department of Water Resources still needs to address the massive buildup of sediment that’s choking the Feather River, reducing the channel capacity and harming salmon and other aquatic species.