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Courting Disaster At Oroville Dam — Key Questions and Answers

Here are some central questions and answers about the damage to the Oroville Dam and the fight to prevent a catastrophe: What is the Oroville Dam? Work on the Oroville Dam — the tallest dam in the country at 770 feet — started in 1957 and included the relocation of California State Route 70 and Union Pacific Railroad tracks. It was completed in 1968, creating what is now the second-biggest reservoir in the state, sitting on the Feather River about 75 miles north of Sacramento in Butte County.

OPINION: State, Feds Must Answer For Oroville Dam Fiasco

Federal and state officials have a lot to answer for in the wake of the Oroville Dam fiasco. They decided in 2005 to ignore warnings that the massive earthen spillway adjacent to the dam itself could erode during heavy winter rains — which it has done — and cause a calamity, which it very nearly did this week and could yet do by the end of this winter. No less to blame are the water agencies, including the powerful Metropolitan Water District of Southern California, which argued that paying for the upgrades a decade ago was unnecessary.

Senators Disagree With Decision to Extend Drought Regulations

North state senators Ted Gaines and Jim Nielsen expressed their disagreement last week with the California State Water Resources Control Board’s decision to extend the state’s emergency drought regulations. Gaines, who represents the 1st Senate District that includes Siskiyou County, stated in a press release that by voting to extend the regulations, urban water districts will be subject to an additional 270 days of consumption reports, “stress tests,” and water-use cuts. “This decision is blind to the plain fact seen on every mountain, river and reservoir in the north state,” Gaines said.

BREAKING: No Word When Evacuation Order For 188,000 Will Be Lifted As Oroville Threat Remains

Yolo County has opened a shelter to assist those affected by the Oroville Dam spillway evacuation at the Yolo County Fairgrounds in the home arts building, 1250 East Gum Avenue, Woodland. Massive state response in place for dam emergency State officials have activated hundreds of people to help deal with the Oroville Dam crisis, sending 100 California Highway Patrol officers to the region and placing 1,200 California National Guard members on notice that they may be needed.

Too Much Water: How Oroville Dam Problems Became A Crisis

The mass evacuations underway below the Oroville Dam capped a week of frantic efforts to prevent flooding as America’s tallest dam reached capacity and its main spillway was severely damaged. Here is a brief explanation of the events so far. On Saturday, water levels reached so high that an emergency spillway was used for the first time. Officials initially believed the measure worked. But on Sunday afternoon, as more water from record storms flowed into Lake Oroville, officials detected a hole in the emergency spillway. That prompted the evacuation order.

 

Oroville Dam: Feds And State Officials Ignored Warnings 12 Years Ago

More than a decade ago, federal and state officials and some of California’s largest water agencies rejected concerns that the massive earthen spillway at Oroville Dam — at risk of collapse Sunday night and prompting the evacuation of 185,000 people — could erode during heavy winter rains and cause a catastrophe.

Oroville Dam: Feds and State Officials Ignored Warnings 12 Years Ago

More than a decade ago, federal and state officials and some of California’s largest water agencies rejected concerns that the massive earthen spillway at Oroville Dam — at risk of collapse Sunday night and prompting the evacuation of 185,000 people — could erode during heavy winter rains and cause a catastrophe.

California Governor Asks Trump For Storm Aid

California Gov. Jerry Brown asked President Trump on Friday to declare a major disaster in the state because of damage from a month of storms as more rain hit the south. Brown’s letter said a powerful series of January storms brought “relentless” rain and high winds that caused flooding, mudslides, evacuations, erosion, power outages and at least eight deaths. Northern California was hardest hit. Brown said the storm system was so severe and widespread that state and local governments need federal assistance to continue dealing with the problems it created.

Break in Recent Storms Gives Engineers at Oroville Dam Hope

Friday afternoon the sun peaked through the clouds above Lake Oroville and a rainbow arched over the Feather River. It was a welcome sight for state engineers who were battling the lake’s worrisome rise with torrential releases down the reservoir’s broken concrete spillway. The break in storms and a drop in the volume of water pouring into the huge reservoir gave dam operators hope that they could keep lake levels from hitting an elevation of 901 feet — the point at which uncontrolled flows would start washing down an unpaved emergency spillway that has never been used in Oroville’s 48-year history.

 

As Emergency Spillway Flows, State Says Repairs To Crippled Oroville Dam Could Run $200 Million

For the first time since Oroville Dam was completed in 1968, water from its storm-swollen reservoir overtopped the emergency spillway Saturday, sending sheets of water down a forested hillside and adding to the murk and debris churning in the Feather River below. State officials said they did not expect the flows to cause flooding in Oroville or other communities downstream, but the emergency releases underscored the perilous situation confronting the operators of California’s second-largest reservoir for the rest of this extraordinarily rainy winter.