NORTHERN CALIFORNIA – Despite storms that moved across the region on Friday, California Department of Water Resources construction crews continued to repair erosion below the Oroville Dam’s emergency spillway.
Fears of failure in the emergency spillway had led to a Sunday evacuation order that impacted 188,000 people in Butte, Sutter and Yuba counties, as Lake County News has reported.
Rock, aggregate and cement slurry are being used to repair and backfill the affected areas, officials said.
On Friday morning, water flow from the flood control spillway was at 80,000 cubic feet per second, which was gradually lowered to 70,000 cubic feet, the Department of Water Resources reported.
Officials said the reduced outflow is allowing debris removal from the diversion pool below the spillway.
The level of the reservoir has been reduced by 40 feet to accommodate inflow from current and forecasted inclement weather and is not expected to exceed anticipated outflows, officials said.
The Department of Water Resources said the trail system and launch ramps at the dam remain closed to the public.
Oroville Dam update: Reservoir level further reduced, work ongoing despite storms
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