Major Flood
18.5 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
17.5 ft
Minor Flood
16.5 ft
Action Stage
15.5 ft
What Floods at Each Level
18.73 ft
Record stage and flow---19,400 cfs (9/5/1965).
17.5 ft
Access to Weeping Rock Campground is very limited due to high water. One half of Slate Creek Campground may be under water. High water may obstruct passage of bridge on west end of Lincoln County Road 311. High water may also restrict safe passage to water pumping staion on sw side of bridge.
16.5 ft
Flood stage. River begins to overflow into Weeping Rock Campground (immediately below dam) and into Slate Creek Campground (3-3.5 mile downstream). USBR personnel will evacuate campgrounds in event of a flood emergency.
15.5 ft
Bankfull stage.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Sep 4, 1965 | 18.74 ft | 19,400 cfs |
| Jun 13, 1972 | 17.79 ft | 15,000 cfs |
| Jul 2, 1982 | 17.74 ft | 14,100 cfs |
About This Gauge
USGS Site
NWS LID
GBFW4
River
Green River (WY-UT-CO)
County
Sweetwater, WY
Coordinates
42.0210°N, 110.0498°W
Get Flood Alerts for Green River (WY-UT-CO)
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Green River (WY-UT-CO) below Fontenelle Dam?
The Green River (WY-UT-CO) below Fontenelle Dam gauge is maintained by USGS (site 09211200) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Green River (WY-UT-CO) below Fontenelle Dam?
The NWS-defined flood stage for Green River (WY-UT-CO) below Fontenelle Dam is 16.5 feet. Action stage begins at 15.5 feet. Moderate flooding starts at 17.5 feet, and major flooding at 18.5 feet.
How do I get alerts when Green River (WY-UT-CO) rises?
Download StormCast free on Google Play, go to River Gauges, and add Green River (WY-UT-CO) below Fontenelle Dam to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Green River (WY-UT-CO) below Fontenelle Dam gauge located?
The gauge is located in Sweetwater County, Wyoming at coordinates 42.0210°N, 110.0498°W. USGS site number: 09211200. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Green River (WY-UT-CO)
On This River
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Gauge reading affected by reservoir operations.