Chattahoochee River at US 41 at Atlanta

1. 29.00 ftRecord flooding occurs with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 14 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 11 feet of water. The restrooms at the recreation area will be flooded 9 feet deep with only the roof exposed. This will be worse than the September 2009 flood event.
2. 28.00 ftMajor flooding expands with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 13 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 10 feet of water. The restrooms at the recreation area will be flooded 8 feet deep with only the roof exposed. This will be similar to the September 2009 flood event.
3. 26.00 ftMajor flooding expands with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 11 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 8 feet of water. The restrooms at the recreation area will be flooded 6 feet deep.
4. 24.00 ftMajor flooding continues with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 9 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 6 feet of water. The restrooms at the recreation area will be flooded 4 feet deep.
5. 22.00 ftMajor flooding continues with widespread inundation flooding of the woodlands and large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 7 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under 4 feet of water. The restrooms at the recreation area will be flooded two feet deep.
6. 20.00 ftMajor flooding begins. Widespread inundation flooding occurs in the woodlands and large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 5 feet deep over portions of the access road to the recreation area. Portions of the parking lot will be under two feet of water. The restrooms at the recreation area will begin to flood.
7. 18.00 ftModerate flooding begins. Significant flooding occurs in the woodlands and affects large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around 3 feet deep over portions of the access road to the recreation area. Portions of the parking lot will begin to flood.
8. 16.00 ftMinor flooding expands in the woodlands and affects large portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will be around one foot deep over portions of the access road to the recreation area.
9. 14.00 ftFlood stage is reached. Minor flooding occurs in the woodlands and portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway. The flood waters will reach the top of the concrete boat ramp in the recreation area.
10. 12.00 ftBankfull conditions occur in the woodlands and low lying portions of the Chattahoochee National Recreation Area along the river upstream and downstream from the gage on Cobb Parkway.

Most recent crests

• February 13, 2025: 16.46 ft
• September 27, 2024: 24.13 ft
• March 6, 2024: 15.71 ft
• January 9, 2024: 14.86 ft
• January 4, 2023: 16.89 ft
• September 8, 2021: 17.52 ft
• October 11, 2020: 20.50 ft
• September 17, 2020: 17.14 ft
• March 25, 2020: 14.65 ft
• February 7, 2020: 16.10 ft

• UpstreamChattahoochee River at Powers Ferry + I-285 near Atlanta
• DownstreamChattahoochee River at Atlanta
• Rottenwood Creek at Interstate North Parkway near Smyrna
• Nancy Creek at West Wesley Road at Atlanta
• Woodall Creek at Defoors Ferry Road at Atlanta
• Chattahoochee River at GA 280 near Atlanta
• Peachtree Creek at Atlanta
• Nancy Creek at Rickenbacker Drive at Atlanta

Forecasts by the Southeast River Forecast Center. Forecasts are not available. Only observed stages are available for this point. Automated gauge readings are now available, courtesy of the USGS.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.