Action Stage
4099.3 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: KEYW4). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
4134 ft
Dam crest elevation.
4128.7 ft
Normal water surface elevation.
4111.5 ft
Top of flood control.
4099.3 ft
Spillway crest elevation. Top of active conservation capacity.
4051 ft
Top of inactive conservation pool.
4036 ft
Top of dead storage pool.
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 |
|---|---|---|
| Mar 27, 2019 | 4101.98 ft | — |
| May 20, 1978 | 4100.38 ft | — |
| Mar 13, 2020 | 4099.58 ft | — |
About This Gauge
NWS LID
KEYW4
County
Crook, WY
Coordinates
44.3819°N, 104.7792°W
Get Flood Alerts for Keyhole Reservoir
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 Keyhole Reservoir?
The Keyhole Reservoir gauge is maintained by USGS 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 Keyhole Reservoir?
This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.
How do I get alerts when this river rises?
Download StormCast free on Google Play, go to River Gauges, and add Keyhole Reservoir 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 Keyhole Reservoir gauge located?
The gauge is located in Crook County, Wyoming at coordinates 44.3819°N, 104.7792°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
More Resources
Source & Notes
Data provided by: Observations courtesy of the USBR, Observations courtesy of U.S. Army Corps of Engineers
- 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.
- Gauge reading may be affected by ice.