| 40.0 | Widespread major flooding is expected. Flood waters will top the Alcoa pumping plant floor. | | 38.3 | Widespread major flooding is expected. | | 36.0 | Widespread major lowland flooding is expected. | | 35.7 | Major lowland flooding is occurring with water on the dock and steps of Alcoa pumping plant. | | 34.0 | Moderate lowland flooding is expected with water on the lower docks and steps of the Alcoa pumping plant. | | 33.0 | Moderate lowland flooding is expected along both banks. | | 30.0 | Minor lowland flooding is expected along the left bank. | | 27.0 | Bankfull stage with no flooding expected. |
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1) 40.00 ft on 02/11/1981
2) 38.34 ft on 12/21/1991
3) 36.04 ft on 07/15/2007
4) 35.67 ft on 06/15/1981
5) 35.41 ft on 02/05/1992
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1) 2.70 ft on 10/25/1989
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