Belle Fourche Reservoir
South Dakota — Water Level & Flood Stage
Located in Butte County, South Dakota. Live water level data from USGS gauge 06435000, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Action Stage
2975 ft
192,077 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
2990 ft
Dam crest.
2984.4 ft
Maximum surface or top of surcharge elevation.
2975 ft
Top of active conservation pool.
2927 ft
Top of dead pool elevation.
2893 ft
Streambed elevation.
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 6, 2008 | 2975.92 ft | — |
| Jun 6, 2008 | 2975.92 ft | — |
| May 11, 1978 | 2975.8 ft | — |
| May 11, 1978 | 2975.8 ft | — |
| May 25, 2011 | 2975.69 ft | — |
About This Gauge
Get Flood Alerts for Belle Fourche 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 Belle Fourche Reservoir?
The Belle Fourche Reservoir gauge is maintained by USGS (site 06435000) 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 Belle Fourche 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 Belle Fourche Reservoir to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Belle Fourche Reservoir gauge located?
The gauge is located in Butte County, South Dakota at coordinates 44.7367°N, 103.6746°W. USGS site number: 06435000. 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 U.S. Bureau of Reclamation, Observations courtesy of U.S. Geological Survey, 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.