OROVILLE DAM, Monday 6PM: DWR working to fill erosion on emergency spillway

From the Department of Water Resources:

Current Situation as 6:00pm February 13, 2017:

The Department of Water Resources advises that the primary spillway continues to flow at 100,000 cfs and lake levels have dropped to 894’ feet. After evaluating the erosion on the emergency spillway, a plan was put in place to prevent further erosion. Utilizing trucks and helicopters, crews moved large rocks and gravel to fill erosion on the emergency spillway. DWR staff continues to inspect and evaluate the emergency and primary spillways for further erosion.

Total discharges from the reservoir remain consistent with flood control releases at this time of year under these weather conditions. DWR does not expect the discharge from the reservoir to exceed the capacity of any channel downstream.

For information on lake conditions; including lake levels, inflows, and outflows you can visit the following website. http://cdec.water.ca.gov/cdecapp/resapp/resDetailOrig.action?resid=ORO

Click here for fact sheet.

Photos from Lake Oroville today …

California Department of Water Resources crews inspect and evaluate the erosion just below the Lake Oroville Emergency Spillway site after lake levels receded on Monday morning. The outflow from the primary Oroville Spillway remains at 100,000 cubic feet per second (cfs) to decrease the lake level by 50 feet to handle the next round of storms this week. Photo taken February 13, 2017.

Kelly M. Grow/ California Department of Water

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No planned time to lift evacuations:  “While more than 180,000 residents remain evacuated from their homes in Butte, Sutter and Yuba counties, there is no timetable as to when people can return home as water officials and engineers assess the damage and situation at the two damaged Oroville Dam spillways, the Butte County sheriff said Monday.  As tensions remain high around the area, some good news came early Monday morning when water levels at Lake Oroville dropped below capacity, stopping water from spilling over the potentially hazardous emergency spillway. … ”  Read more from KCRA Channel 3 here:  No planned time to lift evacuations

For video of the repairs from KCRA 3, click here.

For all coverage of the Oroville Dam Spillway incident on Maven’s Notebook, click here.


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