Major Flood
28 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
25 ft
Minor Flood
16 ft
Action Stage
14 ft
What Floods at Each Level
28 ft
Major flooding begins. Widespread inundation flooding affects the woodlands and several homes along the creek upstream and downstream from the gage on Thompson Mill Road. Flood waters reach the foundations and enter garages of a few homes on Thompson Mill Road. Also the water reaches the bottom of the Thompson Mill Road bridge and city officials may need to close it.
25 ft
Moderate flooding begins. The flooding expands further into the woodlands and yards of homes along the creek upstream and downstream from the gage on Thompson Mill Road. The flood waters reach the foundation of a few homes on Thompson Mill Road.
22 ft
Minor flooding expands further into the woodlands and yards of homes along the creek upstream and downstream from the gage on Thompson Mill Road.
18 ft
Minor flooding continues to expand further into the woodlands and yards of homes along the creek upstream and downstream from the gage on Thompson Mill Road.
16 ft
Flood stage is reached. Minor flooding will occur in the woodlands and natural flood plain of the creek upstream and downstream from the gage on Thompson Mill Road.
14 ft
Bankfull conditions are reached upstream and downstream from the gage at Thompson Mill 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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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Oct 11, 2020 | 17.54 ft | — |
| Dec 24, 2015 | 17.11 ft | — |
| Sep 27, 2024 | 17.09 ft | — |
About This Gauge
USGS Site
NWS LID
SFHG1
River
Snapfinger Creek
County
De Kalb, GA
Coordinates
33.6967°N, 84.1986°W
Get Flood Alerts for Snapfinger Creek
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 Snapfinger Creek at Thompson Mill Road near Lithonia?
The Snapfinger Creek at Thompson Mill Road near Lithonia gauge is maintained by USGS (site 02203960) 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 Snapfinger Creek at Thompson Mill Road near Lithonia?
The NWS-defined flood stage for Snapfinger Creek at Thompson Mill Road near Lithonia is 16 feet. Action stage begins at 14 feet. Moderate flooding starts at 25 feet, and major flooding at 28 feet.
How do I get alerts when Snapfinger Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Snapfinger Creek at Thompson Mill Road near Lithonia 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 Snapfinger Creek at Thompson Mill Road near Lithonia gauge located?
The gauge is located in De Kalb County, Georgia at coordinates 33.6967°N, 84.1986°W. USGS site number: 02203960. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Snapfinger Creek
On This River
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Automated gauge readings are now available, courtesy of the USGS.