Major Flood
14 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: BBSL1). 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
8 ft
Minor Flood
4 ft
What Floods at Each Level
14 ft
FLOODING WILL REACH GAUSE BLVD AT FRONT STREET. MOST OF SLIDELL SOUTH OF GAUSE BLVD AND AROUND BAYOU LIBERTY WILL BE INUNDATED.
11 ft
FLOODING WILL SPREAD TO WEST GAUSE BLVD. MOST OF OLDE TOWNE SLIDELL WILL BE FLOODED.
8 ft
FLOODING BEGINS AROUND RAILROAD TRACKS PROTECTING OLDE TOWNE SLIDELL.
5 ft
FLOODING BEGINS ON HALL ROAD AND WITHIN HERITAGE PARK.
3 ft
ACTION STAGE. PARTS OF PALM LAKE SUBDIVISION BEGIN TO FLOOD AND BAYOU LIBERTY ROAD IS THREATHENED AT CARROLL ROAD.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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About This Gauge
NWS LID
BBSL1
River
Bayou Bonfouca
County
St. Tammany, LA
Coordinates
30.2714°N, 89.7936°W
Get Flood Alerts for Bayou Bonfouca
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 Bayou Bonfouca at Slidell?
The Bayou Bonfouca at 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 Bayou Bonfouca at Slidell?
The NWS-defined flood stage for Bayou Bonfouca at Slidell is 4 feet. Action stage begins at N/A feet. Moderate flooding starts at 8 feet, and major flooding at 14 feet.
How do I get alerts when Bayou Bonfouca rises?
Download StormCast free on Google Play, go to River Gauges, and add Bayou Bonfouca at Slidell 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 Bayou Bonfouca at Slidell gauge located?
The gauge is located in St. Tammany County, Louisiana at coordinates 30.2714°N, 89.7936°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