Tanana River at Big Delta

Last updated: Jun 28, 2025, 8:04 PM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 27 - Major flood stage.
  • 25 - Moderate flood stage.
  • 23.3 - On August 13 1997...a stage of 23.3 feet resulted in the flooding of structures on Whitestone Farms.

Gauge Info

Coordinates 64.1569, -145.864
RFC APRFC
State AK
WFO AFG
County Southeast Fairbanks
Data Provider(s)
US Geological Survey USGS 15478000

Gauge Location

Recent Crests

1. 20.88 ft on 06-28-2013
2. 21.56 ft on 07-04-2012
3. 20.95 ft on 08-03-2011
4. 20.85 ft on 07-05-2010
5. 20.77 ft on 07-10-2009

Historic Crests

1. 23.57 ft on 07-29-1949
2. 23.31 ft on 08-14-1997
3. 23.24 ft on 07-31-1952
4. 22.86 ft on 08-03-1954
5. 22.85 ft on 07-27-1955

Vertical Datum Table

type STND NGVD29
major Flooding 27.00 ft1002.00 ft
moderate Flooding 25.00 ft1000.00 ft
minor Flooding 23.00 ft998.00 ft
action 22.00 ft997.00 ft
Latest Value 18.91 ft993.91 ft
Gauge Zero 0.00 ft975.00 ft

Gauge Photos

Photo 1 of 3

Tanana River at Big Delta bridge

Probability Information

Photo 1 of 2

Unique Local Info

Long-term Hydrograph

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Fairbanks
UAF-IARC Bldg. P.O. Box 757345
Fairbanks, AK 99775-7345
Official Homepage