| 25.0 | Major lowland flooding will occur as water reaches the slab elevation for structures downstream from gage. | | 22.0 | Moderate lowland flooding with water to the floor of the FM 647 bridge floor and the approaches to the bridge are cut off. | | 19.0 | Minor lowland begins as water spills into the flood plain downstream of the gage. |
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1) 24.30 ft on 11/21/2004
2) 21.95 ft on 09/11/1998
3) 21.80 ft on 09/01/2001
4) 20.82 ft on 09/17/2003
5) 20.80 ft on 05/14/2004
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Low water records are unavailable.
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