RIVER GAUGE · MISSISSIPPI RIVER
Mississippi River at Donaldsonville
Ascension County, Louisiana
Water level4.34 ft
Flow—
Last readingSep 16, 2026, 4:00 PM UTC (last recorded)
Action25 ft
Minor flood27 ft
Moderate flood30 ft
Major flood34 ft
The past week
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What floods at each level
- 38.2 ft
The net grade protection of the levee will be reached, threatening the city of Donaldsonville and surrounding countryside.
- 36.01 ft
Record stage for Donaldsonville was set on May 15, 1927.
- 33 ft
River barge traffic becomes dangerous, particularly when navigating sharp turns on this stretch of the river.
- 27 ft
Navigation becomes difficult for smaller river craft. Safety precautions for river traffic are urged.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 14, 1927 | 36.01 ft | — |
| May 15, 1922 | 34.75 ft | — |
| Apr 28, 1945 | 34.11 ft | — |
More on Mississippi River
UpstreamMississippi River at Baton Rouge
DownstreamMississippi River at Reserve
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