River stage
Summerville, Chattooga River
- River level
- 2.04 ft
- Status
- Below flood stage
- 7-day change
- +0.12 ft
- Recent high
- 3.33 ft
- Recent low
- 1.77 ft
Last reported 2026-10-13 | NWS SUMG1
- 30-day change
- +0.15 ft
- Average
- 2.10 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 22.63 ft
In brief
The Chattooga River at Summerville, GA read 2.04 ft on Oct 13, 2026, 9.96 ft below action stage. That is 0.15 ft higher than 30 days earlier.
Source: National Weather Service gauge SUMG1
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 22.63 ft | 1990-02-16 |
| 2 | 21.48 ft | 2020-04-13 |
| 3 | 21.19 ft | 2009-09-21 |
| 4 | 21.00 ft | 1951-03-29 |
| 5 | 20.60 ft | 1948-11-28 |
| 6 | 20.51 ft | 2015-12-26 |
| 7 | 19.50 ft | 1966-03-04 |
| 8 | 19.43 ft | 1979-03-04 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 12.00 ft
Bankfull conditions are reached along the river upstream and downstream from the gage on U.S. Highway 27 or Rome Boulevard.
- 14.00 ft
Minor flooding of woodlands and fields begins along the river upstream and downstream from the gage on U.S. Highway 27 or Rome Boulevard.
- 16.00 ft
Minor 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.
- 17.00 ft
Moderate 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.
- 18.00 ft
Significant 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.
- 19.00 ft
Significant 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.
- 20.00 ft
Major 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.
- 22.00 ft
Major 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.
- 23.00 ft
Record 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.
- 25.00 ft
Record 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.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Chattooga River flooding at Summerville?
No. The Chattooga River at Summerville is at 2.04 ft, 9.96 ft below action stage.
What is the flood stage at Summerville?
The National Weather Service sets action stage 12 ft, minor flooding 14 ft, moderate flooding 17 ft and major flooding 20 ft.
What is the highest the Chattooga River has been at Summerville?
The highest crest on record is 22.63 ft, on 1990-02-16.
Is the Chattooga River high or low right now at Summerville?
At 2.04 ft it is higher than 43% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge SUMG1); daily history from the U.S. Geological Survey (site 02398000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.