Mississippi River at Saverton Lock and Dam 22
Missouri — Water Level & Flood Stage
Located in Ralls County, Missouri on the Mississippi River. Live water level data from USGS gauge 393810091145601, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
24 ft
Moderate Flood
20 ft
Minor Flood
16 ft
Action Stage
14 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
160000 ft
At this approximate discharge, the Corps will raise the gates out of the water, creating "open river" conditions.
28.6 ft
Water enters the elevated flood building north of the lock house.
28 ft
In Monkey Run, at least a dozen homes are flooded at this level.
27.8 ft
Saverton homes begin flooding near this level.
27.3 ft
The work shop building at Lock and Dam #22 begins flooding at this height.
27 ft
Sny Island Cell #1 levee is overtopped
26 ft
In Monkey Run (north of Saverton), houses begin flooding near this level.
25.7 ft
Water enters Lock house north door and the railroad tracks crossing.
25.5 ft
Homes in Riverview Acres (just south of the lock and dam) begin to flood. Also, North Saverton Road floods near this height.
25.2 ft
Missouri Route E becomes impassable and is closed from Saverton Road near the Hascall Creek bridge to Lock and Dam 22.
24.5 ft
Highway 79 is closed at the Continental Cement Plant.
24.2 ft
Missouri Route E begins flooding at the lowest points.
21.8 ft
At this height, the ties of the BNSF railroad tracks begin flooding.
21.4 ft
Near this level, the lock is closed to navigation. This level will vary with circumstance. Also, BNSF railroad tracks just south of Hannibal are flooded.
15.5 ft
An access road to riverside raised homes on the riverward side of the Sny levee begins to flood near this level.
13.5 ft
This is the upper navigational limit for the pool at Lock & Dam 22.
13.4 ft
This is the target pool for navigation at Lock & Dam 22.
13 ft
This is the lower navigational limit for the pool at Lock & Dam 22.
12 ft
Buildings in unprotected areas are damaged. At this approximate stage, the Corps will lift all gates out of the river, creating "open river" conditions. This takes place at a discharge of around 160,000 cfs.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jul 24, 1993 | 29.58 ft | 436,040 cfs |
| Jul 24, 1993 | 29.58 ft | 436,040 cfs |
| Jun 2, 2019 | 28.48 ft | — |
| Jun 2, 2019 | 28.48 ft | — |
| Jun 2, 2019 | 28.47 ft | 476,000 cfs |
About This Gauge
USGS Site
NWS LID
SVRM7
River
Mississippi River
County
Ralls, MO
Coordinates
39.6346°N, 91.2482°W
Get Flood Alerts for Mississippi River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Mississippi River at Saverton Lock and Dam 22?
The Mississippi River at Saverton Lock and Dam 22 gauge is maintained by USGS (site 393810091145601) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Mississippi River at Saverton Lock and Dam 22?
The NWS-defined flood stage for Mississippi River at Saverton Lock and Dam 22 is 16 feet. Action stage begins at 14 feet. Moderate flooding starts at 20 feet, and major flooding at 24 feet.
How do I get alerts when Mississippi River rises?
Download StormCast free on Google Play, go to River Gauges, and add Mississippi River at Saverton Lock and Dam 22 to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Mississippi River at Saverton Lock and Dam 22 gauge located?
The gauge is located in Ralls County, Missouri at coordinates 39.6346°N, 91.2482°W. USGS site number: 393810091145601. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Army Corps of Engineers, Observations courtesy of U.S. Geological Survey
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
- For the latest navigation status update from the U.S. Army Corps of Engineers-St. Louis District, <a href="http://www.mvs.usace.army.mil/Missions/Navigation/Status-Reports/">click here.</a>