Pearl River near Slidell
Louisiana — Water Level & Flood Stage
Located in St. Tammany County, Louisiana on the Pearl River. 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: WPSL1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
11 ft
Moderate Flood
9 ft
Minor Flood
7 ft
Action Stage
5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
11 ft
CONSIDERABLE FLOODING WILL DEVELOP OVER THE NEIGHBORHOODS ALONG THE RIVER SOUTH OF MILIARY ROAD AND EAST OF U.S. HIGHWAY 190.
9 ft
FLOODING WILL SPREAD OVER THE NEIGHBORHOODS EAST OF HIGHWAY 190.
7 ft
SOME FLOODING WILL OCCUR OVER THE NEIGHBORHOODS EAST OF U.S. HWY 190 AND AT THE INTERSECTION OF U.S. HWY 190 WITH U.S. HWY 90.
5 ft
HOME AND ROADS EAST OF U.S. HIGHWAY 190 WILL BE THREATENED AS THE RIVER RISES.
4 ft
BANKFULL STAGE.
2 ft
PROPERTY NEAR THE GAGE IS THREATENED.
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
WPSL1
River
Pearl River
County
St. Tammany, LA
Coordinates
30.2311°N, 89.6689°W
Get Flood Alerts for Pearl 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 Pearl River near Slidell?
The Pearl River 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 Pearl River near Slidell?
The NWS-defined flood stage for Pearl River near Slidell is 7 feet. Action stage begins at 5 feet. Moderate flooding starts at 9 feet, and major flooding at 11 feet.
How do I get alerts when Pearl River rises?
Download StormCast free on Google Play, go to River Gauges, and add Pearl River 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 Pearl River near Slidell gauge located?
The gauge is located in St. Tammany County, Louisiana at coordinates 30.2311°N, 89.6689°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Pearl River
More Resources
Source & Notes
Data provided by: St. Tammany Parish, LA
- Gauge readings inaccurate - awaiting repair.