Major Flood
11 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
9 ft
Minor Flood
7 ft
Action Stage
6 ft
What Floods at Each Level
11.7 ft
Spring Creek completely covers Needles Highway.
11 ft
Major flood stage. Major and extensive flooding downstream in Hill City.
10.9 ft
Water from Spring Creek begins to flood portions of Needles Highway.
9 ft
Moderate Flood Stage. Some inundation of structures and roads are possible downstream in Hill City.
7.2 ft
Water overflows both the left and right bank with water reaching the gage house footings.
7 ft
Minor Flood Stage. Minor flooding of pasture land. The river begins to spread out. Minor flooding may begin downstream in Hill City.
6 ft
Action Stage. The lowest areas along the left bank begins to flood.
5.8 ft
Water begins to overflow the left bank near the gage.
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 |
|---|---|---|
| May 27, 2019 | 7.15 ft | 156 cfs |
| May 23, 2015 | 6.25 ft | 104 cfs |
| Jun 17, 1998 | 5.89 ft | 91 cfs |
About This Gauge
USGS Site
NWS LID
SUNS2
River
Sunday Gulch
County
Pennington, SD
Coordinates
43.8704°N, 103.5812°W
Get Flood Alerts for Sunday Gulch
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 Sunday Gulch near Hill City?
The Sunday Gulch near Hill City gauge is maintained by USGS (site 06406740) 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 Sunday Gulch near Hill City?
The NWS-defined flood stage for Sunday Gulch near Hill City is 7 feet. Action stage begins at 6 feet. Moderate flooding starts at 9 feet, and major flooding at 11 feet.
How do I get alerts when Sunday Gulch rises?
Download StormCast free on Google Play, go to River Gauges, and add Sunday Gulch near Hill City 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 Sunday Gulch near Hill City gauge located?
The gauge is located in Pennington County, South Dakota at coordinates 43.8704°N, 103.5812°W. USGS site number: 06406740. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- USGS operates this gage on a seasonal basis. No data are available during winter months.