Action Stage
5908 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: DRFS2). 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
5958 ft
Dam crest elevation.
5953 ft
Maximum water surface elevation or the top of the surcharge capacity.
5912 ft
Spillway releases over an uncontrolled crest and open cut channel in the right abutment begin.
5908 ft
Top of active conservation pool.
5839 ft
Top of dead pool elevation.
5808 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 |
|---|---|---|
| Feb 24, 1985 | 5909.05 ft | -9,999 cfs |
| Jun 1, 2011 | 5908.73 ft | — |
| Jun 20, 1998 | 5908.65 ft | — |
About This Gauge
NWS LID
DRFS2
County
Pennington, SD
Coordinates
44.0291°N, 103.7819°W
Get Flood Alerts for Deerfield 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 Deerfield Reservoir?
The Deerfield 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 Deerfield 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 Deerfield 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 Deerfield Reservoir gauge located?
The gauge is located in Pennington County, South Dakota at coordinates 44.0291°N, 103.7819°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: US Bureau of Reclamation Deerfield Reservoir, Observations courtesy of the USACE
- 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.