Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap


Web Portal Changes:

Please visit for more information.

Hydrograph River at a Glance Download
Chena River at Mile 40 Bridge Stage (ft)USGS--Water Resources of the United StatesUCHA2(plotting HGIRZ) Graph Created (7:32PM Apr 12, 2024)Flood Stage is 19.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (AKDT)
XML Data
RSS Files
Datum: NAVD88
NOTE: Stage may be affected by ice.

NOTE: Forecasts for the Chena River at Mile 40 Bridge are issued routinely during the warm season, and as needed at other times of the year.

Return to Area Map
Downstream Gauge Downstream Gauge - near Hunts Creek
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 25
Flood Stage: 19.5
Action Stage: 18.5
Low Stage (in feet): -9999

Historic Crests
(1) 26.60 ft on 08/13/1967
(2) 23.65 ft on 06/26/1994
(3) 23.56 ft on 07/28/2003
(4) 22.84 ft on 06/27/1995
(5) 22.07 ft on 06/20/2014
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.53 ft on 05/11/2017
(2) 21.18 ft on 08/01/2016
(3) 20.48 ft on 08/28/2015
(4) 22.07 ft on 06/20/2014
(5) 20.44 ft on 06/06/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:8
KML Image
Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
19.91 Impacts are along Chena Hot Springs Road (CHSR). All impacts from stages of 18.79 and 18.40 are more severe, plus: Water flowing over road at mi 36.9 (6-10" deep), Granite Tors, Stiles Creek and low lying areas are flooded. (6/6/13)
18.79 Impacts are along Chena Hot Springs Road (CHSR). All impacts from a stage of 18.40 are more severe, plus: River access at 28 mi closed, water flowing over road at 36.9 mi (6" deep, 40-50 ft wide), west end of Granite Tors Parking Lot begins to flood, Stiles Creek trailhead and campground become unusable. (5/26/13)
18.39 Impacts along Chena Hot Springs Road (CHSR): Rosehip Campground closed (27 mi.), river access at mi 28 closed, Compeau trailhead flooded but usable (29.9 mi.), Water beginning to pond on upstream side of CHSR at mi 36.9, and Stiles Creek shooting range flooded. (5/25/13)
(1) Gage
(2) CHSR at mile 36.9. River stage of 19.50ft.
(3) Compeau trailhead at a stage of 19.50 ft.
(4) Chena R at UCHA2 (Granite Tors parking lot). Stage of 19.50 ft.
(5) high water impacts at parking area for stage = 20.4 ft, gage datum, on 06 June 2013
(6) high water impacts at parking area for stage = 20.4 ft, gage datum, on 06 June 2013
About This Location Collapse

Latitude: 64.901972° N, Longitude: 146.361333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 19.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 725.91 Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 NULL NULL Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
Long-term Hydrograph
Water Temperature Chart
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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.
NWS Information
National Weather Service
Fairbanks Weather Forecast Office
UAF-IARC Bldg. P.O. Box 757345
Fairbanks, AK 99775-7345
(907) 458-3700
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:26 PM
Privacy Policy
About Us
Career Opportunities