Salt Fork Arkansas River at Tonkawa
Oklahoma — Water Level & Flood Stage
Located in Kay County, Oklahoma on the Salt Fork Arkansas River. Live water level data from USGS gauge 07151000, 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
25 ft
Moderate Flood
20 ft
Minor Flood
17 ft
Action Stage
14 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
30 ft
Flood depths to about 13 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. The water levels be higher than in October 1973... when Interstate Highway I-35 washed away. Electricity to Tonkawa may be affected when the river stage reaches 28 feet. Road closures include... Interstate Highway I-35 in the vicinity of the river... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
29 ft
Flood depths to about 12 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Flood levels will be similar to those in October 1973... when Interstate Highway I-35 washed away. Electricity to Tonkawa may be affected when the river stage reaches 28 feet. Road closures include... Interstate Highway I-35 in the vicinity of the river... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
28 ft
Flood depths to about 11 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. these water levels be almost as high as the October 1973 flood which washed out Interstate Highway I-35. Electric power to Tonkawa may be affected by substation flooding. Road closures include... Interstate Highway I-35 in the vicinity of the river... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
27 ft
Flood depths ranging up to about 10 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Private levees may be overtopped... and farmland and oilfields are flooded hours before the crest. Road closures include... Interstate Highway I-35 in the vicinity of the river... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
26 ft
Flood depths ranging up to about 9 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Private levees may be overtopped... and farmland and oilfields are flooded hours before the crest. The southbound lanes of Interstate Highway I-35 may be covered by floodwaters. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
25 ft
Flood depths ranging up to about 8 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Private levees may be overtopped... and farmland and oilfields are flooded hours before the crest. The southbound lanes of Interstate Highway I-35 may be threatened by floodwaters. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
24 ft
Flood depths ranging up to about 7 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Private levees may be overtopped... and farmland and oilfields are flooded hours before the crest. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
23 ft
Flood depths ranging up to about 6 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
22 ft
Flood depths ranging up to about 5 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
21 ft
Flood depths ranging up to about 4 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest. Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City are closed.
20 ft
Flood depths ranging up to about 3 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest. The intersection of Fountain Road and U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City are closed.
19 ft
Flood depths ranging up to about 2 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest.
18 ft
Flood overflows are about a foot deep over unleveed agricultural lands... oilfields... and rural roads along the river in eastern Grant County... through Kay County... to the confluence with the Arkansas River below Ponca City.
17 ft
Shallow floodwaters move along the river from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields may be flooded.
16 ft
Near bankfull flows move along the river from eastern Grant County...across Kay County... to the confluence with the Arkansas River below Ponca City. Low-lying farmland and oilfields may be flooded hours before the crest reaches Tonkawa.
15 ft
Within bank flows move along the river from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Some low-lying oilfields may be isolated.
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 |
|---|---|---|
| Oct 10, 1973 | 28.98 ft | 97,300 cfs |
| Oct 10, 1973 | 28.98 ft | 97,300 cfs |
| Aug 4, 1995 | 27.64 ft | — |
| Aug 4, 1995 | 27.64 ft | — |
| Oct 3, 1986 | 27.61 ft | 74,700 cfs |
About This Gauge
USGS Site
NWS LID
TONO2
River
Salt Fork Arkansas River
County
Kay, OK
Coordinates
36.6720°N, 97.3095°W
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Frequently Asked Questions
What is the current water level of Salt Fork Arkansas River at Tonkawa?
The Salt Fork Arkansas River at Tonkawa gauge is maintained by USGS (site 07151000) 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 Salt Fork Arkansas River at Tonkawa?
The NWS-defined flood stage for Salt Fork Arkansas River at Tonkawa is 17 feet. Action stage begins at 14 feet. Moderate flooding starts at 20 feet, and major flooding at 25 feet.
How do I get alerts when Salt Fork Arkansas River rises?
Download StormCast free on Google Play, go to River Gauges, and add Salt Fork Arkansas River at Tonkawa 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 Salt Fork Arkansas River at Tonkawa gauge located?
The gauge is located in Kay County, Oklahoma at coordinates 36.6720°N, 97.3095°W. USGS site number: 07151000. 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.