Major Flood
50 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: MLVL1). 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
45 ft
Minor Flood
34 ft
Action Stage
33 ft
What Floods at Each Level
52.5 ft
The water level will be near the top of the levee which is 53 feet at its lowest point.
50 ft
Water will reach the base of the Texas Pacific railroad bridge girders.
48 ft
The water level will reach the grade level of the lowest elevation on the back side of the Melville ring levee.
45 ft
Considerable flooding occurs.
41 ft
Flooding will begin on the river side of the river levee and on the river side of the Melville protection ring levee. Increased river current will make navigation more difficult and increase the need for strict traffic regulation.
36 ft
Flooding of structures on the unprotected side of the levee begins along Trestle Street and River Bank Road in Melville.
34 ft
Lowest structures on the unprotected side of the levee begin to flood. Flooding is more extensive just south of melville.
33 ft
Action stage.
30 ft
Increased current in the atchafalaya main channel will cause minor navigation problems for large craft, but hazardous conditions for smaller river craft. The average elevation within the protection of the melville ring levee is 31 feet.
25 ft
Flooding will begin on the river side of the atchafalaya river levee and the melville ring levee which protect the city to a river stage of about 50 feet.
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 |
|---|---|---|
| May 13, 1927 | 46.98 ft | — |
| May 13, 1922 | 46.08 ft | — |
| Apr 24, 1945 | 45.88 ft | — |
About This Gauge
NWS LID
MLVL1
River
Atchafalaya River
County
St. Landry, LA
Coordinates
30.6906°N, 91.7361°W
Get Flood Alerts for Atchafalaya 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 Atchafalaya River at Melville?
The Atchafalaya River at Melville 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 Atchafalaya River at Melville?
The NWS-defined flood stage for Atchafalaya River at Melville is 34 feet. Action stage begins at 33 feet. Moderate flooding starts at 45 feet, and major flooding at 50 feet.
How do I get alerts when Atchafalaya River rises?
Download StormCast free on Google Play, go to River Gauges, and add Atchafalaya River at Melville 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 Atchafalaya River at Melville gauge located?
The gauge is located in St. Landry County, Louisiana at coordinates 30.6906°N, 91.7361°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: U.S. 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 48 hours into the future from the forecast issuance time.