Major Flood
26 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: RRVL1). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
24 ft
Minor Flood
22 ft
Action Stage
21 ft
What Floods at Each Level
26 ft
Flood of Record occured on June 11, 1929.
24 ft
Slow-bell procedures will be enacted for river transportation.
22 ft
Marine and industrial interests along the river, upstream barge operators, and facilities are impacted. Navigation will become difficult for smaller river craft. Safety precautions for river traffic are urged.
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 |
|---|---|---|
| Jun 10, 1929 | 26 ft | — |
| Apr 27, 1945 | 25.9 ft | — |
| Feb 25, 1937 | 25.6 ft | — |
About This Gauge
NWS LID
RRVL1
River
Mississippi River
County
St. John The Baptist, LA
Coordinates
30.0556°N, 90.5686°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 Reserve?
The Mississippi River at Reserve gauge is maintained by USGS 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 Reserve?
The NWS-defined flood stage for Mississippi River at Reserve is 22 feet. Action stage begins at 21 feet. Moderate flooding starts at 24 feet, and major flooding at 26 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 Reserve to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Mississippi River at Reserve gauge located?
The gauge is located in St. John The Baptist County, Louisiana at coordinates 30.0556°N, 90.5686°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Mississippi River
On This River
Upstream: Mississippi River at Donaldsonville
Downstream: Mississippi River at Bonnet Carre North near Montz
More Resources
Source & Notes
Data provided by: U.S. Army Corps of Engineers, Observations courtesy of U.S. Army Corps of Engineers
- 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.