Emergency Management

Corps reduces Mud Mountain Dam releases; prepares for next storm
Posted By Sheri Badger on Nov 14th, 2006 at 12:24 PM

Seattle, WA – November 14, 2006 – Contact: Nola Leyde 206-764-6896 The U.S. Army Corps of Engineers is decreasing releases from Mud Mountain Dam on the White River from 9,000 cubic feet a second (cfs) to 6,000 cfs today and will continue at that level for the next 24 hours, depending on the weather. Mud Mountain Dam operation reduced the flood stage downstream in Puyallup by more than 4 feet during last week’s heavy rains. Peak inflows to Mud Mountain Dam were 30,000 cfs, and the dam held outflow to less than 1,000 cfs. Outflows last week were as high as 12,000 cfs to empty the project for the storm predicted this week. After this next storm, weather permitting, work will get under way to remove debris from the flood storage project, and the Corps expects that work to last several weeks. At that time flows will be stabilized — what comes into the project will be released, and that amount is weather dependent. Fluctuations due to rainfall or debris in the river can also cause a rise in river levels. Residents and those monitoring the rivers should report any flooding to local emergency management officials. Possible flooding continues to be a threat with record breaking precipitation predicted for the month of November. The Corps’ Seattle District Reservoir Control Center and Emergency Operations Center will operate around the clock if weather conditions worsen. For up-to-date river forecasts, go to http://www.nwd-wc.usace.army.mil/nws/hh/index-j.html. The National Weather Service issues flood watches and warnings and should be consulted for that information. ###