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Oroville Oroville Spillway Incident Update - Feb 19 AM
Today, flow from the Oroville Dam Flood Control Spillway will remain at 55,000 cfs and continue to outpace the inflow encountered. The reduction in flow has allowed assessment teams to view debris buildup and dredge debris piles below the flood control spillway. (02/19/2017)
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Oroville Oroville Spillway Incident Update - Feb. 18 PM
Today flows were reduced to 55,000 cfs and continued to outpace the inflow encountered. The reduction in flow allowed assessment teams to view debris buildup and dredge debris piles below the flood control spillway. (02/19/2017)
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Oroville spillway damage 02-17-2017 - 3 Oroville Spillway Incident Update - Feb. 18 AM
Lake elevations continue trending downward and have fallen more than 45 feet from the height of the emergency spillway. Outflows continue to outpace flow into the reservoir and the goal of achieving a reservoir depth of 850 feet remains a priority. As runoff flows into the reservoir, water levels will likely fluctuate but will remain within acceptable and typical depths during times of storm activity. (02/18/2017)
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Oroville spillway damage 02-17-2017 Oroville Spillway Incident Update - Feb. 17 PM
As of this evening, 70,000 cubic feet per second (cfs) of water is being released from the flood control spillway and inflows into the reservoir are 30,000 cfs. Currently, the elevation of the lake is slightly more than 858 feet; over 40 feet below the height of the emergency spillway.
Despite current inclement weather, DWR construction crews continue to repair erosion and remove debris from below the emergency spillway. Rock, aggregate and cement slurry continue to be placed into areas affected by erosion after use of the emergency spillway. (02/18/2017)
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Oroville Reduction DWR To Continue Outflow Reduction - Feb. 17 PM
Oroville, Ca.-At 1:00 PM this afternoon, the Department of Water Resources will once more begin reducing outflow from the Oroville Dam flood control spillway incrementally from 80,000 cfs to 70,000 cfs to support the removal of debris from the diversion pool located near the spillway. (02/17/2017)
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Oroville Spillway Oroville Spillway Incident Update - Feb. 17 AM
Despite current inclement weather, DWR construction crews continue to repair erosion below the emergency spillway. Rock, aggregate and cement slurry are being used to repair and backfill the affected areas. (02/17/2017)
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Oroville spillway damage Oroville Spillway Incident Update - Feb. 16 AM
This morning, the lake level sits at 32 feet below the emergency spillway height. Despite weather conditions, crews continue to work around the clock and are making progress with emergency repairs.
Barges and cranes have been mobilized to remove debris and sediment from the diversion pool. These efforts are designed to restore the normal flow of water into the diversion pool and through the Hyatt power plant.
100,000 cfs of water continues to flow through the flood control spillway in an effort to accommodate anticipated inflow from upcoming storms. These storms are forecasted to bring colder temperatures and inflows are anticipated to increase to 45,000 cfs. However, lake levels will continue to decrease. (02/17/2017)
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Oroville Spillway Oroville Spillway Incident Update - Feb. 16 PM
DWR construction crews continue work to remediate emergency spillway erosion. Water flow from the flood control spillway was reduced incrementally from 100,000 to 80,000 cfs today. This reduction allowed crews to begin removing debris from the diversion pool below the spillway. The level of the reservoir has been reduced by 36 feet to accommodate inflow from upcoming storms. Inflows from forecasted inclement weather are not expected to exceed current outflows. (02/17/2017)
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Oroville Spillway Damage 02-15-2017 Oroville Spillway Incident Update - Feb. 15 pm
Today, lake levels fell an additional five feet, and are now 26 feet below the emergency spillway. Crews continue to work around the clock, regardless of weather conditions, to make emergency repairs. Barges and cranes are being mobilized to remove debris and sediment from the diversion pool.
100,000 cfs of water continues to flow through the flood control spillway in an effort to accommodate anticipated inflow from upcoming storms. These storms are forecasted to bring colder temperatures and inflows are anticipated to increase to 45,000 cfs. However, lake levels will continue to decrease throughout the storm activity. (02/17/2017)
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Oroville emergency spillway Oroville Spillway Incident Update - Feb. 15 AM
The Department of Water Resources continues to reinforce the emergency spillway. More than 125 construction crews are working around the clock, and are placing 1,200 tons of material on the spillway per hour, using helicopters and heavy construction equipment. Forecasted winds may force workers to temporarily suspend the use of aircraft however, the bulk of the transportation and placement of aggregate is being accomplished with the use of heavy trucks. The construction area is being continually monitored by engineers from the state and federal governments from the ground and with the use of drones. (02/15/2017)
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