| 33.5 | Massive flooding would be present along most of the reach of the Missouri River from Blair downstream. Since the addition of dams upstream, its highly unlikely that these levels would ever be reached. | | 30.0 | The federal levees are overtopped at this level. | | 29.0 | Fort Calhoun Nuclear Power Plant considers this to be an emergency situation. | | 27.0 | Overflows of both banks cause the lowlands to flood. | | 25.4 | The parking lot at Fort Calhoun Nuclear Power Plant floods. |
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1) 33.50 ft on 04/17/1952
2) 31.80 ft on 04/27/1950
3) 31.40 ft on 04/12/1943
4) 31.20 ft on 04/13/1944
5) 30.00 ft on 06/30/1947
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Low water records are unavailable.
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