RIVER GAUGE · MISSISSIPPI RIVER
Mississippi River below Lock and Dam 10 - Guttenberg
Clayton County, Iowa
Water level4.66 ft
Flow28,700 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action12 ft
Minor flood15 ft
Moderate flood18 ft
Major flood21 ft
The past week
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What floods at each level
- 29.6 ft
The water begins to overtop the protective levee.
- 24 ft
Water begins to flow over the lock walls and the protective earthen dikes.
- 23.65 ft
Water levels reach the flood of record.
- 21 ft
Flooding of some residential areas occurs. Lock and Dam 10 is closed to navigation.
- 20 ft
Some basements may begin to experience flooding due to seepage, with most problems occurring on the approaches to town.
- 19 ft
The water is over Island Road.
- 18 ft
Sewer and street flooding begins to occur in Glen Haven, Wisconsin.
- 15.5 ft
The water is over Marina Road.
- 15 ft
Minor lowland flooding begins to occur.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Apr 23, 1965 | 23.65 ft | 318,000 cfs |
| Apr 20, 2001 | 21.68 ft | 270,500 cfs |
| Apr 28, 2023 | 20.98 ft | — |
More on Mississippi River
UpstreamMississippi River at Clayton
DownstreamMississippi River at Dubuque (LD11)
Mississippi River at Bellevue
Mississippi River at Burlington
Mississippi River at Clayton
Mississippi River at Camanche
Mississippi River at Dubuque (Railroad Bridge)
Mississippi River at Dubuque (LD11)
Mississippi River at Keokuk
Mississippi River above Fairport
Mississippi River at Fort Madison
Mississippi River at LeClaire
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