Green River (WA) near Auburn

1. 14000.0 ftthe Green River will experience major flooding inundating much of the flood plain from the middle Green River valley downstream to Tukwilla. Some homes...businesses and neighborhoods will see significant flooding with some evacuations likely needed. Levees may be overtopped and erosion may damage levees. A flow of 12000 cfs or above on the Green River corresponds roughly to a phase 4 flood in the King County flood system.
2. 12000.0 ftthe Green River will inundate low areas from the middle Green River valley downstream to Auburn...with water over several roads including SE Green Valley Rd and West Valley Rd. Levees from Auburn down through Tukwilla may exhibit seeapage and may weaken due to saturation. A flow of 12000 cfs on the Green River corresponds to a phase 4 flood in the King County flood system.
3. 10000.0 ftthe Green River will flood low areas of the middle Green River valley with water over SE Green Valley Rd. Some flooding is possible at a few low spots along the banks of the Green River in Auburn, including near Issac Evans Park in lower Mill Creek basin between Auburn and Kent due to backwater. A flow of 9000 cfs feet on the Green River corresponds to a phase 3 flood in the King County flood system.
4. 9000.0 ftthe Green River will flood low areas of the middle Green River valley with water over SE Green Valley Rd. Some backwater inundation is possible in lower Mill Creek basin between Auburn and Kent. A flow of 9000 cfs feet on the Green River corresponds to a phase 3 flood in the King County flood system.
5. 7000.0 ftthe Green River will spill over its banks into low areas in Green Valley and in lower Mill Creek basin between Auburn and Kent. A flow of 7000 cfs on the Green River corresponds to a phase 2 flood in the King County flood system.

Most recent crests

• December 18, 2025: 67.00 ft
• December 13, 2025: 68.67 ft
• February 7, 2020: 64.25 ft
• February 6, 2020: 63.30 ft
• February 2, 2020: 61.90 ft
• February 5, 2018: 62.10 ft
• December 9, 2015: 63.32 ft
• November 18, 2015: 62.20 ft
• November 14, 2015: 60.98 ft
• January 6, 2015: 61.89 ft

• UpstreamGreen River (WA) at Purification Plant
• DownstreamGreen River (WA) at Kent
• Big Soos Creek at Auburn
• White River at R St. Auburn
• White River at Roegner Pk. nr Auburn
• White River at Auburn
• White River at Pacific
• White River at Sumner
• White River at Dieringer
• Newaukum Creek at Black Diamond

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. Streamflow and the daily record from the U.S. Geological Survey.