Major Flood
8 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
7.5 ft
Minor Flood
6.5 ft
Action Stage
5.5 ft
What Floods at Each Level
7.69 ft
Record stage and flow---4,180 cfs (6/16/1963).
7.5 ft
Water enters City Park area and begins moving down Fremont and south 3rd Streets.
6.5 ft
Flood stage. Low lying property along Popo Agie Estates Subdivision south of Lander is under water. Severe bank erosion possible along Middle Fork Popo Agie River from City Park to the Main Street Bridge. Constant sandbagging is needed.
6.2 ft
Cautionary sandbagging is needed along the river near City Park and 2nd Street.
6 ft
Water over low lying area immediately downstream of gage. Lander emergency officials begin notifying land owners downstream of gage that major flooding may occur within 12 to 24 hours if river continues to rise.
5.5 ft
Bankfull stage downstream of gage.
4.2 ft
Flow into the overflow channel from the Sinks to the Rise begins.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jun 15, 1963 | 7.69 ft | 4,180 cfs |
| Jun 7, 2010 | 7.5 ft | 3,895 cfs |
| Jun 17, 2017 | 6.94 ft | 4,210 cfs |
About This Gauge
USGS Site
NWS LID
LANW4
River
Middle Fork Popo Agie River
County
Fremont, WY
Coordinates
42.7572°N, 108.7987°W
Get Flood Alerts for Middle Fork Popo Agie River
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 Middle Fork Popo Agie River at Sinks Canyon?
The Middle Fork Popo Agie River at Sinks Canyon gauge is maintained by USGS (site 06231600) 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 Middle Fork Popo Agie River at Sinks Canyon?
The NWS-defined flood stage for Middle Fork Popo Agie River at Sinks Canyon is 6.5 feet. Action stage begins at 5.5 feet. Moderate flooding starts at 7.5 feet, and major flooding at 8 feet.
How do I get alerts when Middle Fork Popo Agie River rises?
Download StormCast free on Google Play, go to River Gauges, and add Middle Fork Popo Agie River at Sinks Canyon 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 Middle Fork Popo Agie River at Sinks Canyon gauge located?
The gauge is located in Fremont County, Wyoming at coordinates 42.7572°N, 108.7987°W. USGS site number: 06231600. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Middle Fork Popo Agie River
On This River
Downstream: Middle Fork Popo Agie River near Lander
More Resources
Source & Notes
Data provided by: Data courtesy of WY State Engineers Office
- Stage may be affected by ice.