Major Flood
16 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
12 ft
Minor Flood
7 ft
Action Stage
5 ft
What Floods at Each Level
7 ft
Traders Hill Campground Boat Ramp and Parking Lot begins to flood.
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 |
|---|---|---|
| Sep 15, 2017 | 19.3 ft | 24,900 cfs |
| Aug 10, 2024 | 16.01 ft | 15,400 cfs |
| Aug 11, 2021 | 12.53 ft | 9,670 cfs |
About This Gauge
USGS Site
NWS LID
SMTG1
River
St. Marys River
County
Charlton, GA
Coordinates
30.7831°N, 82.0242°W
Get Flood Alerts for St. Marys 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 St. Marys River at Traders Hill?
The St. Marys River at Traders Hill gauge is maintained by USGS (site 02231175) 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 St. Marys River at Traders Hill?
The NWS-defined flood stage for St. Marys River at Traders Hill is 7 feet. Action stage begins at 5 feet. Moderate flooding starts at 12 feet, and major flooding at 16 feet.
How do I get alerts when St. Marys River rises?
Download StormCast free on Google Play, go to River Gauges, and add St. Marys River at Traders Hill 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 St. Marys River at Traders Hill gauge located?
The gauge is located in Charlton County, Georgia at coordinates 30.7831°N, 82.0242°W. USGS site number: 02231175. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey