Arkansas River at Ralston
Oklahoma — Water Level & Flood Stage
Located in Pawnee County, Oklahoma on the Arkansas River. Live water level data from USGS gauge 07152500, 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
21 ft
Moderate Flood
18 ft
Minor Flood
16 ft
Action Stage
16 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
24 ft
very severe flooding occurs. The Ralston sewage treatment plant levees may be overtopped when the stage reaches 24 feet. This is an extremely dangerous and life threatening situation.
22 ft
severe agricultural flooding occurs. Water levels are within 2 feet of topping the Ralston sewage treatment levees when the stage reaches 22 feet. This is a dangerous situation.
21 ft
severe agricultural flooding occurs. Water levels need to be patrolled as the levees around the Ralston sewage treatment plant are topped when the stage reaches 24 feet. This is a dangerous situation.
20 ft
severe agricultural flooding occurs. The levee around the Ralston sewage treatment plant may need to be patrolled.
18 ft
moderate inundation of farmlands occurs mainly along the north bank.
16 ft
minor agricultural flooding occurs on the north bank.
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 |
|---|---|---|
| Jun 10, 1923 | 23 ft | 200,000 cfs |
| Jun 10, 1923 | 23 ft | 200,000 cfs |
| Oct 12, 1973 | 22.98 ft | 211,000 cfs |
| Oct 12, 1973 | 22.98 ft | 211,000 cfs |
| Apr 24, 1944 | 22.82 ft | 179,000 cfs |
About This Gauge
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Frequently Asked Questions
What is the current water level of Arkansas River at Ralston?
The Arkansas River at Ralston gauge is maintained by USGS (site 07152500) 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 Arkansas River at Ralston?
The NWS-defined flood stage for Arkansas River at Ralston is 16 feet. Action stage begins at 16 feet. Moderate flooding starts at 18 feet, and major flooding at 21 feet.
How do I get alerts when Arkansas River rises?
Download StormCast free on Google Play, go to River Gauges, and add Arkansas River at Ralston 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 Arkansas River at Ralston gauge located?
The gauge is located in Pawnee County, Oklahoma at coordinates 36.5042°N, 96.7281°W. USGS site number: 07152500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey, Observations courtesy of U.S. Army Corps of Engineers
- 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.