Major Flood
655 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
653 ft
Minor Flood
651.1 ft
Action Stage
649 ft
What Floods at Each Level
678.9 ft
Flood of record, March 11, 1867.
655 ft
Major flooding begins.
653 ft
Moderate flooding begins.
651.1 ft
Flooding begins.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
610 ft
Municipal and industrial water intakes could experience operational issues below this elevation.
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Mar 10, 1867 | 678.9 ft | 459,000 cfs |
| Feb 28, 1875 | 674.8 ft | 410,000 cfs |
| Mar 17, 1973 | 657.98 ft | 267,000 cfs |
About This Gauge
USGS Site
NWS LID
CHAT1
River
Tennessee River
County
Hamilton, TN
Coordinates
35.0561°N, 85.3064°W
Get Flood Alerts for Tennessee 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 Tennessee River at Chattanooga?
The Tennessee River at Chattanooga gauge is maintained by USGS (site 03568000) 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 Tennessee River at Chattanooga?
The NWS-defined flood stage for Tennessee River at Chattanooga is 651.1 feet. Action stage begins at 649 feet. Moderate flooding starts at 653 feet, and major flooding at 655 feet.
How do I get alerts when Tennessee River rises?
Download StormCast free on Google Play, go to River Gauges, and add Tennessee River at Chattanooga 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 Tennessee River at Chattanooga gauge located?
The gauge is located in Hamilton County, Tennessee at coordinates 35.0561°N, 85.3064°W. USGS site number: 03568000. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey