Major Flood
20 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: NORL1). 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
19 ft
Minor Flood
17 ft
Action Stage
17 ft
What Floods at Each Level
21.27 ft
Flood or Record occurred on April 25, 1922.
20 ft
A 20 foot project levee protects the city. Floodwalls and levees are constantly upgraded to maintain that project height.
17 ft
The river level will continue making navigation and docking difficult. The city is protected to a project height of 20 feet.
13 ft
Strong eddies will develop below the gage at Carrollton, with increased negative impacts on navigation.
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 |
|---|---|---|
| Apr 24, 1922 | 21.27 ft | — |
| May 10, 1912 | 21.05 ft | — |
| Apr 24, 1927 | 21 ft | — |
About This Gauge
NWS LID
NORL1
River
Mississippi River
County
Orleans, LA
Coordinates
29.9347°N, 90.1361°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 New Orleans?
The Mississippi River at New Orleans 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 New Orleans?
The NWS-defined flood stage for Mississippi River at New Orleans is 17 feet. Action stage begins at 17 feet. Moderate flooding starts at 19 feet, and major flooding at 20 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 New Orleans 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 New Orleans gauge located?
The gauge is located in Orleans County, Louisiana at coordinates 29.9347°N, 90.1361°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Mississippi River
On This River
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.