OROVILLE SPILLWAYS CONSTRUCTION UPDATE for August 8 (with pictures and video)

From the Department of Water Resources: Today the Department of Water Resources (DWR) provided an update on construction-related activities for the Oroville Spillways Emergency Recovery Project. Construction on the Main Spillway Placement of erosion-resistant concrete, or ERC, structural slabs began Monday, Aug. 6, on the uppermost 730 feet of upper chute. Placement of ERC structural walls is anticipated to start […]

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OROVILLE DAM SPILLWAYS: Construction update for June 27 (with photos and videos)

From the Department of Water Resources: Today the Department of Water Resources (DWR) provided an update on construction-related activities for the Lake Oroville Spillways Emergency Recovery Project. Construction on the Main Spillway Crews are continuing foundation cleaning and placing dental and leveling concrete to prepare for placement of structural concrete walls and slabs on the 730 feet of the upper […]

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LAKE OROVILLE SPILLWAYS CONSTRUCTION: Update for June 6 (with video and photos)

From the Department of Water Resources: Today the Department of Water Resources (DWR) provided an update on construction-related activities for the Lake Oroville Spillways Emergency Recovery Project. Construction on the Main Spillway Controlled blasting demolition of the original 730 feet of the upper chute is complete. Crews are preparing the foundation for placement of structural concrete slabs and walls. In […]

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OROVILLE SPILLWAYS CONSTRUCTION UPDATE: May 9: Main spillway work begins (Photos/Video)

From the Department of Water Resources: Today the Department of Water Resources (DWR) provided an update on construction-related activities for the Lake Oroville Spillways Emergency Recovery Project. Construction Resumes on the Main Spillway DWR received approval from the Federal Energy Regulatory Commission (FERC) and the California Division of Safety of Dams (DSOD) to resume work on Lake Oroville’s main spillway […]

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OROVILLE OPERATIONS UPDATE: Potential use of main spillway next week

From the Department of Water Resources: Forecasted storms expected in the Feather River basin this weekend may require using Lake Oroville’s flood control outlet spillway (also known as the main spillway) this week or next. After last year’s spillway incident, the Department created the 2017/18 Lake Oroville Winter Operations Plan to ensure public safety in the event of major storm […]

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OROVILLE SPILLWAYS CONSTRUCTION: March 21 update (with photos & video)

Underground secant pile cutoff wall now complete; Main spillway construction to begin in May From the Department of Water Resources: Today the Department of Water Resources (DWR) provided an update on construction activities for the Lake Oroville Spillways Emergency Recovery Project.   Construction at the Emergency Spillway The underground secant pile cutoff wall was completed March 7, 2018 and marks […]

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OROVILLE SPILLWAYS CONSTRUCTION UPDATE for February 21 (With video)

From the Department of Water Resources: Construction at the Emergency Spillway The underground secant pile wall is 95 percent complete and is targeted for completion in March of 2018. The secant pile wall is being constructed 730 feet downhill of the emergency spillway at depths of 35 to 65 feet. Foundation preparation continues for the roller-compacted concrete (RCC) splashpad. Crews […]

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THIS JUST IN … Oroville Independent Forensic Team releases final report; DWR releases statement

Earlier today, the Oroville Independent Forensic Team released their final report compiling the team’s conclusions and opinions regarding the conditions, actions and inactions that contributed to the damage of the service spillway and emergency spillway at Oroville Dam in February 2017. You can read the report by clicking here. Subsequently, the Department of Water Resources issued the following statement: A […]

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OROVILLE DAM: Spillways construction update

Today the Department of Water Resources (DWR) provided an update on construction activities on the Lake Oroville Spillways Emergency Recovery Project.   Construction on the Main Spillway General site cleanup, concrete finishing, joint sealing and completion of drainage systems continues at the 3,000-foot gated flood control spillway, also known as the main spillway. This finishing work is expected to be […]

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STATE WATER PROJECT UPDATE: Oroville spillways construction overview, subsidence along the California Aqueduct; DWR’s GHG reduction plan

The nine-member California Water Commission has been given a number of responsibilities as dictated by the California Water Code; one of those is to conduct an annual review of the State Water Project, and report findings and recommendations to the Legislature.  At the November meeting of the California Water Commission, staff from the State Water Project updated the commissioners with […]

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