Big Sioux River near Bruce
South Dakota — Water Level & Flood Stage
Located in Brookings County, South Dakota on the Big Sioux River. Live water level data from USGS gauge 06479770, 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
Moderate Flood
10 ft
Minor Flood
8 ft
Action Stage
7 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
15 ft
The bridge on 466th Ave is overtopped.
14 ft
Water overtops 466th Avenue near the gage. The bridges on 202nd St and 207th St are also overtopped.
13 ft
Water reaches the bottom of the bridge on 203rd street northwest of Bruce. Water will begin to surround multiple structures and homes near the gauge location.
11.5 ft
The higher banks on the left side of the river are overtopped, flooding agricultural lands for a width of 1/4 to 1/3 mile. 203rd and 207th streets both begins to flood. The water also reaches the low steel of the bridge at the gaging location on 466th Avenue.
10.5 ft
198th St, 199th St, 202nd St all begin flooding. 465th Ave between 203rd and 204th St also floods.
9.5 ft
The right bank overflows, flooding agricultural lands for as much as 1/4 mile.
8 ft
The lower banks on the left side of the river overflow.
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, 2011 | 12.16 ft | — |
| Mar 27, 2011 | 12.16 ft | — |
| Mar 28, 2019 | 10.88 ft | 3,750 cfs |
| Mar 28, 2019 | 10.88 ft | 3,750 cfs |
| Mar 23, 2009 | 10.75 ft | 4,140 cfs |
About This Gauge
USGS Site
NWS LID
BRCS2
River
Big Sioux River
County
Brookings, SD
Coordinates
44.4675°N, 96.8872°W
Get Flood Alerts for Big Sioux 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 Big Sioux River near Bruce?
The Big Sioux River near Bruce gauge is maintained by USGS (site 06479770) 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 Big Sioux River near Bruce?
The NWS-defined flood stage for Big Sioux River near Bruce is 8 feet. Action stage begins at 7 feet. Moderate flooding starts at 10 feet, and major flooding at 13 feet.
How do I get alerts when Big Sioux River rises?
Download StormCast free on Google Play, go to River Gauges, and add Big Sioux River near Bruce 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 Big Sioux River near Bruce gauge located?
The gauge is located in Brookings County, South Dakota at coordinates 44.4675°N, 96.8872°W. USGS site number: 06479770. 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
- No forecasts are available for this location
- Gauge reading may be affected by ice.