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Sweetwater Creek below Austell, GA Water Level Today

Georgia · USGS gauge 02337040 · live data · Updated Oct 28, 2026

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About this gauge

USGS gauge 02337040 sits on Sweetwater Creek and reads everything draining 262 square miles of the Middle Chattahoochee-Lake Harding basin. Its datum sits 728 feet above sea level NAVD88. Daily flow has been on record here since 1998, 24 years of it.

Where this gauge sits in the drainage

Three gauged sites sit upstream of here. The closest is Sweetwater Creek near Austell, GA, reading 238 square miles. This gauge adds the 24 square miles that drain in between. Downstream the next reading comes from Chattahoochee River near Fairburn, GA at 2,060 square miles, so what passes this gauge is about 13% of the water measured there. Water passing here goes on to Chattahoochee River above Bear Creek, near Rico, GA and Chattahoochee River near Whitesburg, GA.

Normal flows here

Sweetwater Creek runs a median of 143 cfs at this gauge across 24 years of record. March is the fullest month at a median 330 cfs, and September the leanest at 48 cfs. The highest daily mean on record is 8,100 cfs in 2005, and the lowest is 0.1 cfs in 2008.

Median flow by month
MonthMedian flowShare of annual median
Jan262 cfs183%
Feb313 cfs219%
Mar330 cfs231%
Apr274 cfs192%
May185 cfs129%
Jun121 cfs85%
Jul102 cfs71%
Aug68 cfs48%
Sep48 cfs33%
Oct61 cfs43%
Nov100 cfs70%
Dec188 cfs131%

Medians from the USGS daily-statistics record, 1998 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

Sweetwater Creek reaches flood stage at this gauge at 21 feet. NWS starts watching it at 18 feet. The highest crest on record is 25.4 feet, in September 2024.

NWS flood categories
CategoryGage height
Action18 ft
Minor flooding21 ft
Moderate flooding24 ft
Major flooding27 ft
Highest crests on record
WhenCrest
September 202425.4 ft
November 200922.9 ft
December 201822.4 ft
December 201520 ft

Flood categories and crest history from the NOAA National Water Prediction Service, gauge ASTG1. Stages are gage height, not depth. Not for navigation.

Dams near this gauge

The Army Corps' Morgan Falls Dam is 22 miles from this gauge. The Corps publishes no release schedule for this project; its last observed release and elevations load below.

Nearby river gauges

Live streamflow and gage height: USGS gauge 02337040. Percentile context computed against the gauge's period of record. Not for navigation.

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