Cost of Oroville dam repair nearly doubles as unexpected problems emerge The Sacramento Bee » Officials now fix the price to rebuild the spillway at $500 million, up from the original $275 million estimate. The reasons include having to dig farther to find solid bedrock, carry away the extra debris and then fill in the deeper hole. Design changes also added to the cost. Michelle2018-01-12T10:57:23-08:00October 19th, 2017|Dams, Oroville Dam| Share This Story, Choose Your Platform! FacebookTwitterEmail Related Posts DWR doesn’t expect to use Oroville Dam spillway anytime soon — but it’s preparing if necessary February 22nd, 2019 A Race to the Finish on Oroville Dam Spillway Fix October 3rd, 2018 VIDEO: Get down and dirty with workers repairing Oroville Dam spillway in this night shift video September 25th, 2018 $823 million, 31 billion-gallon Calaveras Reservoir dam ready for debut September 21st, 2018 Bill to allow citizen oversight of Oroville Dam signed into law September 19th, 2018 Lawmaker voices concerns over Oroville cost overruns September 19th, 2018 More critical water storage is finally coming to California. It took nearly 40 years. September 13th, 2018 Temporary wall collapses on Oroville Dam spillway August 27th, 2018 VIDEO: Oroville Dam’s Yearlong Progress August 21st, 2018