Sweetwater Creek below Austell

Highest listed crest 25.43 ftFlood stage 21.0 ft4 crests since 2009

The Sweetwater Creek below Austell crested above flood stage 3 times among the 4 crests the National Weather Service lists from 2009 to 2024. The highest, 25.43 ft on September 28, 2024, was moderate flooding, 4.43 feet above flood stage. 3 other gauges on the Sweetwater Creek crested above flood stage within a week of it.

The gauge

Highest listed crest: 25.43 ft; September 28, 2024; 7,378 cubic feet per second
Flood stage: 21.0 ft; Major flooding from 27.0 ft
Crests at major: 0; 3 above flood stage
Most recent flood crest: September 28, 2024; 25.43 ft, moderate flooding
Location: Douglas County; Near Douglasville (5.1 mi), South Fulton (6.2 mi), Mableton (6.7 mi)
Identifiers: NWS ASTG1; USGS 02337040

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Sweetwater Creek below Austell

Action stage	18.0	1	Dec 24, 2015	The level at which the NWS or its partners begin to take action
Flood stage (minor)	21.0	2	Dec 29, 2018	Minimal or no property damage, but possibly some public threat
Moderate flood stage	24.0	1	Sep 28, 2024	Some inundation of structures and roads near the stream
Major flood stage	27.0	0	—	Extensive inundation of structures and roads

Every listed crest

4 crests from 2009 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

Highest listed crests, Sweetwater Creek below Austell

1	Sep 28, 2024	25.43	+4.43	Moderate	7,378
2	Nov 11, 2009	22.90	+1.90	Minor	6,578
3	Dec 29, 2018	22.39	+1.39	Minor	6,420
4	Dec 24, 2015	20.02	−0.98	Action	—

The worst floods along the Sweetwater Creek

For this gauge's highest crests, the other gauges on the Sweetwater Creek that crested above flood stage within a week.

September 28, 2024: 25.43 ft here, moderate flooding

AustellGA · Sep 28, 2024 · 14.33 ft · Moderate
Northwest AustellGA · Sep 28, 2024 · 21.31 ft · Minor
Brownsville Road near Powder SpringsGA · Sep 27, 2024 · 15.53 ft · Minor

November 11, 2009: 22.90 ft here, minor flooding

AustellGA · Nov 12, 2009 · 15.20 ft · Moderate
Brownsville Road near Powder SpringsGA · Nov 11, 2009 · 15.35 ft · Minor

December 29, 2018: 22.39 ft here, minor flooding

AustellGA · Dec 29, 2018 · 11.08 ft · Minor

Gauges on the Sweetwater Creek

In USGS station-number order, which runs downstream within a river basin.

Flood gauges on the Sweetwater Creek

Brownsville Road near Powder Springs	GA	13.0	31.45 ft, Sep 21, 2009	1
Northwest Austell	GA	19.0	37.04 ft, Sep 22, 2009	1
Austell	GA	10.0	30.82 ft, Sep 22, 2009	11
Austell this gauge	GA	21.0	25.43 ft, Sep 28, 2024	0

Other gauges in Douglas County

Flood gauges in Douglas County

Fairburn	20.0	31.60 ft, Dec 10, 1919	2
GA 5 near Fairplay	13.0	33.83 ft, Sep 21, 2009	1
Austell	10.0	30.82 ft, Sep 22, 2009	11

Douglas County: every hazard · River floods across the country · Georgia

NOAA National Water Prediction Service, gauge ASTG1, 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.