Major Flood
16 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
11 ft
Minor Flood
8.5 ft
Action Stage
7.5 ft
What Floods at Each Level
20 ft
260th St begins to flood west of the bridge.
19 ft
Water reaches the bottom of the bridge on McHardy Rd.
17 ft
Aspen Blvd near McHardy Rd may be flooded and water will be approaching a couple homes and outbuildings near Rushmore Dr. The bridge on 264th St is overtopped.
16 ft
McHardy Rd in Brandon may begin to flood.
14.5 ft
If not already flooded, Highway 11 south of Madison St begins to flood, as does 264th St.
12.5 ft
The athletic fields at Pioneer Park begin to flood as does much of the lower lying areas of the surrounding golf courses.
11 ft
The nursery near the mouth of Split Rock Creek begins flooding if the Big Sioux River is high enough to cause a backwater effect. Highway 11 between Highway 42 and Madison St can be flooded if Beaver Creek flows are also high.
9 ft
The parking lot at the racetrack may be flooded and the lower portions of McHardy Park begins to flood.
8.5 ft
Flooding of the lower lying agricultural land begins.
5.5 ft
Portions of the short walking trail in McHardy Park begins to flood.
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 |
|---|---|---|
| Sep 11, 2019 | 19.01 ft | 20,100 cfs |
| May 7, 1993 | 17.58 ft | 18,900 cfs |
| Jun 21, 2024 | 16.18 ft | 12,500 cfs |
About This Gauge
USGS Site
NWS LID
COSS2
River
Split Rock Creek
County
Minnehaha, SD
Coordinates
43.6164°N, 96.5650°W
Get Flood Alerts for Split Rock Creek
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 Split Rock Creek at Corson?
The Split Rock Creek at Corson gauge is maintained by USGS (site 06482610) 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 Split Rock Creek at Corson?
The NWS-defined flood stage for Split Rock Creek at Corson is 8.5 feet. Action stage begins at 7.5 feet. Moderate flooding starts at 11 feet, and major flooding at 16 feet.
How do I get alerts when Split Rock Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Split Rock Creek at Corson 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 Split Rock Creek at Corson gauge located?
The gauge is located in Minnehaha County, South Dakota at coordinates 43.6164°N, 96.5650°W. USGS site number: 06482610. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Split Rock Creek
On This River
Upstream: Split Rock Creek near Garretson
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- Gauge reading may be affected by ice.