Chattahoochee River at Highway 141 near Norcross
Georgia — Water Level & Flood Stage
Located in Gwinnett County, Georgia on the Chattahoochee River. Live water level data from USGS gauge 02335000, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
20 ft
30,800 cfs
Moderate Flood
16 ft
17,700 cfs
Minor Flood
12 ft
11,000 cfs
Action Stage
10 ft
8,600 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
28 ft
Record flooding not seen since January 1946 will inundate property along the river upstream and downstream from the gage on Medlock Bridge Road. Flood waters submerge numerous homes to their roofs in the area including those on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. The Medlock Bridge Road will be under 4 feet of water. The Atlanta Athletic Club Golf Course will be flooded up to 14 feet deep.
24 ft
Major flooding expands with widespread inundation of property along the river upstream and downstream from the gage on Medlock Bridge Road. Flood waters submerge numerous homes and access roads in the area including those on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. The Medlock Bridge Road will begin to flood. Large portions of the Atlanta Athletic Club Golf Course will be flooded up to 10 feet deep.
20 ft
Major flooding begins with widespread inundation of property along the river upstream and downstream from the gage on Medlock Bridge Road. Flood waters affect numerous homes in the area including those on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. Some access roads will be flooded. The Medlock Bridge Park in the Chattahoochee River National Recreation Area and large portions of the Atlanta Athletic Club Golf Course will be flooded up to 8 feet deep.
18 ft
Significant flooding expands into the woodlands and numerous residential yards along the river upstream and downstream from the gage on Medlock Bridge Road. Flood waters affect several homes in the area including those on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. Some access roads will begin to flood. Portions of the Medlock Bridge Park in the Chattahoochee River National Recreation Area and the Atlanta Athletic Club Golf Course will be flooded up to 6 feet deep.
16 ft
Moderate flooding begins. Significant flooding occurs in the woodlands and numerous residential backyards along the river upstream and downstream from the gage on Georgia Highway 141 or Medlock Bridge Road. Flood waters begin to enter some homes on Marsh Park Drive...Vista Bluff Drive...Hershinger Close and Saint Georgen Common. Portions of the Medlock Bridge Park in the Chattahoochee River National Recreation Area and the Atlanta Athletic Club Golf Course will be flooded up to 4 feet deep.
14 ft
Minor flooding expands into the woodlands and numerous residential backyards along the river upstream and downstream from the gage on Georgia Highway 141 or Medlock Bridge Road. Portions of the Medlock Bridge Park in the Chattahoochee River National Recreation Area and the Atlanta Athletic Club Golf Course will be flooded up to two feet deep.
12 ft
Flood Stage is reached. Minor flooding begins in the woodlands and numerous residential backyards of homes along the river upstream and downstream from the gage on Georgia Highway 141 or Medlock Bridge Road. Flood waters will begin to cover a parking lot at Medlock Bridge Park in the Chattahoochee River National Recreation Area. Low lying portions of the Atlanta Athletic Club Golf Course will begin to flood.
9 ft
Bankfull conditions occur along the river upstream and downstream from the gage at Georgia Highway 141 or Medlock Bridge Road. The water level reaches the top of the boat ramp of the Medlock Bridge Park in the Chattahoochee River National Recreation Area.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
711-850 cfs
Paddled from Abbott’s Bridge to Medlock Bridge. No mention of any navigational difficulties.
850-1000 cfs
Advantageous for recreational opportunities and resources supported by the river as it flows through the Chattahoochee River National Recreational Area (from Buford Dam to Peachtree Creek).
1000-1500 cfs
Advantageous for recreational opportunities and resources supported by the river as it flows through the Chattahoochee River National Recreational Area (from Buford Dam to Peachtree Creek).
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jan 7, 1946 | 27.7 ft | 55,000 cfs |
| Jan 7, 1946 | 27.7 ft | 55,000 cfs |
| Dec 9, 1919 | 27.1 ft | 54,700 cfs |
| Dec 12, 1919 | 27.1 ft | 54,700 cfs |
| Dec 12, 1919 | 27.1 ft | 54,700 cfs |
About This Gauge
USGS Site
NWS LID
NCRG1
River
Chattahoochee River
County
Gwinnett, GA
Coordinates
33.9972°N, 84.2019°W
Get Flood Alerts for Chattahoochee 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 Chattahoochee River at Highway 141 near Norcross?
The Chattahoochee River at Highway 141 near Norcross gauge is maintained by USGS (site 02335000) 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 Chattahoochee River at Highway 141 near Norcross?
The NWS-defined flood stage for Chattahoochee River at Highway 141 near Norcross is 12 feet. Action stage begins at 10 feet. Moderate flooding starts at 16 feet, and major flooding at 20 feet.
How do I get alerts when Chattahoochee River rises?
Download StormCast free on Google Play, go to River Gauges, and add Chattahoochee River at Highway 141 near Norcross to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Chattahoochee River at Highway 141 near Norcross gauge located?
The gauge is located in Gwinnett County, Georgia at coordinates 33.9972°N, 84.2019°W. USGS site number: 02335000. 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, Observations courtesy of U.S. Army Corps of Engineers
- Gauge reading affected by reservoir operations.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.