Black River at Jonesville L&D
Louisiana — Water Level & Flood Stage
Located in Catahoula County, Louisiana on the Black 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: JNEL1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
60 ft
Moderate Flood
52 ft
Minor Flood
50 ft
Action Stage
49 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
67.09 ft
The Little River Recreation Area is inaccessible.
66 ft
The second floor of the control house at Jonesville Lock and Dam is flooded.
61.1 ft
Jonesville Landing Recreation Area is inaccessible.
61 ft
The Harrisonburg Recreation Area is inaccessible.
59 ft
The Clayton Recreation Area is inaccessible.
58 ft
The Jonesville Lock and Dam Recreation Area is inaccessible.
52.7 ft
The Fort Necessity Recreation Area is inaccessible.
52 ft
Backwater flooding on right bank threatens residences.
51.4 ft
The Columbia Recreation Area is inaccessible.
50 ft
Highway 124 south near the town of Larto starts to flood. Backwater flooding begins in unprotected areas on right bank.
42 ft
Water begins to top the lock.
40 ft
Access Road to lock begins to flood on the riverside of levee.
39.5 ft
Locking operations ceases at the lock and dam.
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 2, 1927 | 64.5 ft | — |
| May 2, 1927 | 64.5 ft | — |
| May 16, 1973 | 59.65 ft | — |
| May 16, 1973 | 59.65 ft | — |
| May 13, 1991 | 55.3 ft | — |
About This Gauge
NWS LID
JNEL1
River
Black River
County
Catahoula, LA
Coordinates
31.4828°N, 91.8604°W
Get Flood Alerts for Black 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 Black River at Jonesville L&D?
The Black River at Jonesville L&D 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 Black River at Jonesville L&D?
The NWS-defined flood stage for Black River at Jonesville L&D is 50 feet. Action stage begins at 49 feet. Moderate flooding starts at 52 feet, and major flooding at 60 feet.
How do I get alerts when Black River rises?
Download StormCast free on Google Play, go to River Gauges, and add Black River at Jonesville L&D 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 Black River at Jonesville L&D gauge located?
The gauge is located in Catahoula County, Louisiana at coordinates 31.4828°N, 91.8604°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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On This River
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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.