French Branch near Slidell
Louisiana — Water Level & Flood Stage
Located in St. Tammany County, Louisiana on the French Branch. Live water level data from USGS, updated every 15 minutes.
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: FBML1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
13 ft
Moderate Flood
10 ft
Minor Flood
9 ft
Action Stage
7 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
13 ft
SIGNIFICANT FLOODING WILL OCCUR OVER THE NEIGHBORHOODS AROUND THE GAGE.
10 ft
ROADWAYS AROUND THE GAGE ARE FLOODED AND HOMES ARE THREATENED BY RISING WATERS.
9 ft
MINOR FLOODING DEVELOPS OVER ROADWAYS.
7 ft
ACTION STAGE.
6 ft
BANKFULL.
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 |
|---|---|---|
| Mar 11, 2016 | 5.66 ft | — |
| Mar 11, 2016 | 5.66 ft | — |
| Aug 12, 2016 | 5.27 ft | — |
| Aug 12, 2016 | 5.27 ft | — |
About This Gauge
NWS LID
FBML1
River
French Branch
County
St. Tammany, LA
Coordinates
30.2719°N, 89.7186°W
Get Flood Alerts for French Branch
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 French Branch near Slidell?
The French Branch near Slidell 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 French Branch near Slidell?
The NWS-defined flood stage for French Branch near Slidell is 9 feet. Action stage begins at 7 feet. Moderate flooding starts at 10 feet, and major flooding at 13 feet.
How do I get alerts when French Branch rises?
Download StormCast free on Google Play, go to River Gauges, and add French Branch near Slidell 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 French Branch near Slidell gauge located?
The gauge is located in St. Tammany County, Louisiana at coordinates 30.2719°N, 89.7186°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: St. Tammany Parish, LA