Salt Fork Arkansas River at Tonkawa

The past week

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.

Highest crests on record

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