Keyapaha River at Wewala
South Dakota — Water Level & Flood Stage
Located in Tripp County, South Dakota on the Keyapaha River. Live water level data from USGS gauge 06464500, 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
Major Flood
13 ft
6,138 cfs
Moderate Flood
12 ft
5,369 cfs
Minor Flood
10 ft
4,125 cfs
Action Stage
8 ft
2,600 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
17 ft
Water reaches the bottom of the Highway 183 bridge.
14 ft
Water reaches the top of the Highway 183 Bridge piers with water reaching the
13 ft
Major Flood Stage. Extensive flooding of agricultural land. Roads and structures along the river may be flooded.
12 ft
Moderate flood stage. Flooding may impact roads and structures along the river. Water may begin to reach the low steel of the bridge.
10 ft
Flood stage. Flooding of agricultural land. Near the Highway 183 bridge, flooding mainly occurs along the left bank.
8 ft
Flooding of low lying areas along the river.
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 24, 1950 | 13.5 ft | 2,500 cfs |
| Mar 24, 1950 | 13.5 ft | 2,500 cfs |
| Mar 30, 1952 | 13.08 ft | 5,430 cfs |
| Mar 30, 1952 | 13.08 ft | 5,430 cfs |
| Mar 23, 1960 | 10.56 ft | 4,210 cfs |
About This Gauge
Get Flood Alerts for Keyapaha 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 Keyapaha River at Wewala?
The Keyapaha River at Wewala gauge is maintained by USGS (site 06464500) 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 Keyapaha River at Wewala?
The NWS-defined flood stage for Keyapaha River at Wewala is 10 feet. Action stage begins at 8 feet. Moderate flooding starts at 12 feet, and major flooding at 13 feet.
How do I get alerts when Keyapaha River rises?
Download StormCast free on Google Play, go to River Gauges, and add Keyapaha River at Wewala 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 Keyapaha River at Wewala gauge located?
The gauge is located in Tripp County, South Dakota at coordinates 43.0271°N, 99.7809°W. USGS site number: 06464500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey
- Gauge reading may be affected by ice.