Chattooga River at Summerville

1. 25.00 ftRecord flooding never seen before will affect the infrastructure of Summerville. The water level will cover Rome Boulevard and approach The Summerville Times building. In Trion...most of the Mount Vernon Mills buildings...homes on First and Second Streets near the levee...homes and apartments on Park Avenue and Dalton and Cooper Streets are flooded with 5 to 8 feet of water. The water level will top the Dixie Highway bridge. Transportation in and out of the Summerville area will be difficult.
2. 23.00 ftRecord flooding occurs in sections of Summerville due to tributaries backing up from the high flow on the river. The water level hits the Rome Boulevard bridge and affects The Summerville Times property. In Trion...portions of the Mount Vernon Mills buildings including the personnel office...yards and homes on First and Second Streets near the levee...and athletic fields and other structures off Dalton and Cooper Streets are flooded with 3 to 6 feet of water. The water floods portions of Dixie Highway.
3. 22.00 ftMajor flooding expands into sections of Summerville due to tributaries backing up from near record high flow on the river. The water reaches the bottom of the Rome Boulevard bridge and affects The Summerville Times property. In Trion...the parking lot and portions of the Mount Vernon Mills buildings including the personnel office...yards and homes on First and Second Streets near the levee...and athletic fields and other structures off Dalton and Cooper Streets are flooded with 2 to 5 feet of water.
4. 20.00 ftMajor flooding expands into woodlands and fields along the river upstream and downstream from the gage on Rome Boulevard. In Trion...portions of the parking lot at Mount Vernon Mills including the personnel office...yards and homes on First and Second Streets near the levee...and athletic fields and other structures off Dalton and Cooper Streets are flooded with up to 3 feet of water. Also near Lyerly...large portions of Lyerly Dam Road near the river are flooded with up to 3 feet of water.
5. 19.00 ftSignificant flooding expands further into woodlands and fields along the river upstream and downstream from the gage on Rome Boulevard. In Trion...portions of the parking lot at Mount Vernon Mills...yards of homes on First and Second Streets near the levee...and athletic fields off Dalton Street are flooded with two feet of water. The water reaches the personnel office foundation at Mount Vernon Mills. Also near Lyerly...portions of Lyerly Dam Road near the river are flooded with two feet of water.
6. 18.00 ftSignificant flooding expands further into the woodlands and fields along the river upstream and downstream from the gage on U.S. Highway 27 or Rome Boulevard. In Trion...portions of the parking lot by the river at Mount Vernon Mills...Second Street near the levee...and athletic fields off Dalton Street are flooded with a foot of water. Also near Lyerly...portions of Lyerly Dam Road near the river are flooded with around one foot of water.
7. 17.00 ftModerate flooding begins. The flooding expands further into the woodlands and fields along the river upstream and downstream from the gage on U.S. Highway 27 or Rome Boulevard. The low portions of the parking lot by the river at Mount Vernon Mills in Trion begins to flood. Near Lyerly...portions of Lyerly Dam Road near the river begin to flood.
8. 16.00 ftMinor flooding continues and expands further into the woodlands and fields along the river upstream and downstream from the gage on U.S. Highway 27 or Rome Boulevard.
9. 14.00 ftMinor flooding of woodlands and fields begins along the river upstream and downstream from the gage on U.S. Highway 27 or Rome Boulevard.
10. 12.00 ftBankfull conditions are reached along the river upstream and downstream from the gage on U.S. Highway 27 or Rome Boulevard.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 15, 2026.

Most recent crests

• February 13, 2025: 16.24 ft
• May 10, 2024: 14.80 ft
• January 10, 2024: 16.42 ft
• September 4, 2022: 16.78 ft
• February 24, 2022: 14.91 ft
• September 21, 2021: 14.62 ft
• April 1, 2021: 15.21 ft
• March 26, 2021: 18.27 ft
• March 19, 2021: 16.47 ft
• April 13, 2020: 21.48 ft

• Heath Creek at Armuchee
• Armuchee Creek at Old Dalton Road near Rome
• Coosa River at Plant Hammond
• Chattooga River at Gaylesville
• Oostanaula River at Rome
• Oostanaula River at US 27 at Rome
• Etowah River at Coosa Valley Fairgrounds at Rome
• Coosa River at Mayos Bar Lock and Dam near Rome

Forecasts by the Southeast River Forecast Center. Forecasts are issued routinely year-round. Automated gauge readings are now available, courtesy of the USGS. 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.

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.