Snapfinger Creek at Thompson Mill Road near Lithonia
Highest listed crest 17.54 ftFlood stage 16.0 ft3 crests since 2015
The Snapfinger Creek at Thompson Mill Road near Lithonia crested above flood stage 3 times among the 3 crests the National Weather Service lists from 2015 to 2024. The highest, 17.54 ft on October 11, 2020, was minor flooding, 1.54 feet above flood stage. 1 other gauge on the Snapfinger Creek crested above flood stage within a week of it.
The gauge
- Highest listed crest
- 17.54 ft
- October 11, 2020
- Flood stage
- 16.0 ft
- Major flooding from 28.0 ft
- Crests at major
- 0
- 3 above flood stage
- Most recent flood crest
- September 27, 2024
- 17.09 ft, minor flooding
Flood stages
The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.
| Action stage | 14.0 | 0 | — |
| Flood stage (minor) | 16.0 | 3 | Sep 27, 2024 |
| Moderate flood stage | 25.0 | 0 | — |
| Major flood stage | 28.0 | 0 | — |
Every listed crest
3 crests from 2015 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.
Crests at or above flood stage, by decade
- These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
- Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.
Highest crests
| 1 | Oct 11, 2020 | 17.54 | +1.54 | Minor |
| 2 | Dec 25, 2015 | 17.11 | +1.11 | Minor |
| 3 | Sep 27, 2024 | 17.09 | +1.09 | Minor |
The worst floods along the Snapfinger Creek
For this gauge's highest crests, the other gauges on the Snapfinger Creek that crested above flood stage within a week.
October 11, 2020: 17.54 ft here, minor flooding
- Redan Road near Glen HavenGA · Oct 11, 2020 · 16.64 ft · Minor
December 25, 2015: 17.11 ft here, minor flooding
- Redan Road near Glen HavenGA · Dec 24, 2015 · 15.14 ft · Minor
September 27, 2024: 17.09 ft here, minor flooding
- Redan Road near Glen HavenGA · Sep 27, 2024 · 14.14 ft · Minor
Gauges on the Snapfinger Creek
In USGS station-number order, which runs downstream within a river basin.
| Redan Road near Glen Haven | GA | 18.00 ft, Sep 21, 2009 | 0 |
| Thompson Mill Road near Lithonia this gauge | GA | 17.54 ft, Oct 11, 2020 | 0 |
Other gauges in DeKalb County
| Montreal Road near Tucker | 8.64 ft, Oct 11, 2020 | 0 |
| Rainbow Drive near Decatur | 13.32 ft, Oct 11, 2020 | 0 |
| Constitution Road near Atlanta | 14.23 ft, Sep 16, 2004 | 0 |
| Johnson Ferry Road near Chamblee | 22.50 ft, Sep 21, 2009 | 0 |
| Briarwood Road near Atlanta | 15.81 ft, Sep 27, 2024 | 0 |
| Buford Highway at Atlanta | 18.57 ft, Sep 21, 2009 | 4 |
| Evans Mill Road near Lithonia | 8.25 ft, Apr 19, 2019 | 0 |
| Columbia Drive near Atlanta | 13.42 ft, Dec 24, 2015 | 0 |
| Redan Road near Glen Haven | 18.00 ft, Sep 21, 2009 | 0 |
| Casa Drive at Clarkston | 10.25 ft, Sep 27, 2024 | 0 |
| Johnson Road near Atlanta | 16.53 ft, Sep 27, 2024 | 0 |
| Bouldercrest Road at Atlanta | 16.01 ft, Sep 27, 2024 | 0 |
| Flakes Mill Road near Snapfinger | 21.42 ft, Sep 27, 2024 | 0 |
| Silver Hill Road near Stone Mountain | 9.94 ft, Oct 11, 2020 | 0 |
| GA 124 near Lithonia | 27.47 ft, Sep 21, 2009 | 1 |
| Pleasant Hill Road near Lithonia | 25.54 ft, Sep 22, 2009 | 1 |
DeKalb County: every hazard · River floods across the country · Georgia
NOAA National Water Prediction Service, gauge SFHG1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.