White River at Mud Mtn. Dam - Outflow

1. 14000.0 ftthe White River will cause major flooding above and below Mud Mountain Dam downstream to near Auburn. Deep and swift flood waters will inundate roads and residential areas. Damage due to erosion is likely. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the White River Basin. 14000 cfs on the White River corresponds to above phase 4 flood in the King County flood system.
2. 12000.0 ftthe White River will cause flooding above and below Mud Mountain Dam downstream to near Auburn. Deep and swift flood waters will inundate roads and residential areas. Damage due to erosion is likely. 12000 cfs on the White River corresponds to a phase 4 flood in the King County flood system.
3. 10000.0 ftthe White River will flood areas above and below Mud Mountain Dam downstream to near Auburn. Deep and swift flood waters will inundate roads and surround and cut off access to some homes in the Red Creek area. Flood damages occur at the fish hatchery near the City of Enumclaw. 10000 cfs on the White river corresponds to a phase 4 flood in the King County flood system.
4. 8000.0 ftthe White River will spill over its banks below Mud Mountain Dam producing high water that will encroach on roads and residences, particularly in the Red Creek area. 8000 cfs on the White River is within phase 3 flood in the King County flood system.

Most recent crests

• December 18, 2025: -1.00 ft
• December 14, 2025: -1.00 ft
• December 2, 1995: -1.00 ft
• January 9, 1990: -1.00 ft
• November 24, 1986: -1.00 ft
• February 24, 1986: -1.00 ft
• December 2, 1977: -1.00 ft

• UpstreamWhite River at Clearwater River
• DownstreamWhite River at Mud Mountain Dam
• White River at Boise Ck
• South Prairie Creek at South Prairie
• Carbon River at Fairfax
• Newaukum Creek at Black Diamond
• Green River (WA) at Howard Hanson Reservoir
• Green River (WA) at Howard Hanson Dam

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round. River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast. Forecast river flows take into account forecasts of dam operations and are subject to change.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.