Rivers in Georgia
Oostanaula River at Calhoun
Below flood stage
3.33ftStage
Observed Tue, Sep 22, 6:15 AM EDT
- Flood stage
- 21.00 ft
- Record crest
- 34.15 ft1990
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 35.00 ft |
| Moderate flood | 30.00 ft |
| Minor flood | 21.00 ft |
| Action | 18.00 ft |
- 37.00 ftNear record flooding occurs with widespread innundation flooding in the woodlands...fields and pastures upstream and downstream from the gage behind the water treatment plant off Mauldin Road. Flood waters up to 8 feet deep will be affecting the athletic fields at the Harris River Park on Mauldin Road and additional athletic fields near the boat ramp off the Georgia Highway 136 Connector. The water level will reach the bottom of the North River Street bridge and begin to flood portions of the road.
- 35.00 ftMajor flooding begins. Widespread innundation flooding occurs in the woodlands...fields and pastures upstream and downstream from the gage behind the water treatment plant off Mauldin Road. Flood waters up to 6 feet deep will be affecting the athletic fields at the Harris River Park on Mauldin Road and additional athletic fields near the boat ramp off the Georgia Highway 136 Connector. The water level will be approaching the foundation of a textile mill in Calhoun.
- 34.00 ftSignificant flooding continues to expand further into the woodlands...fields and pastures upstream and downstream from the gage behind the water treatment plant off Mauldin Road. A boat ramp and small parking lot on the upstream and right bank side of the Georgia Highway 136 Connector will be under at least 13 feet of water. Flood waters up to 4 feet deep will be affecting the athletic fields at the Harris River Park on Mauldin Road and additional athletic fields near the boat ramp.
- 32.00 ftSignificant flooding continues to expand into the woodlands...fields and pastures upstream and downstream from the gage behind the water treatment plant off Mauldin Road. A boat ramp and small parking lot on the upstream and right bank side of the Georgia Highway 136 Connector will be under at least 11 feet of water. Flood waters up to two feet deep will be affecting the athletic fields at the Harris River Park on Mauldin Road and additional athletic fields near the boat ramp.
- 30.00 ftModerate flooding beings. Significant flooding expands into the woodlands...fields and pastures upstream and downstream from the gage behind the water treatment plant off Mauldin Road. A boat ramp and small parking lot on the upstream and right bank side of the Georgia Highway 136 Connector will be under at least 9 feet of water. Flood waters will be approaching athletic fields at the Harris River Park on Mauldin Road and additional athletic fields near the boat ramp.
- 29.00 ftMinor flooding continues to expand much further into the woodlands...fields and pastures upstream and downstream from the gage behind the water treatment plant off Mauldin Road. A boat ramp and small parking lot on the upstream and right bank side of the Georgia Highway 136 Connector will be under at least 8 feet of water. Flood water will begin to fill in low areas near athletic fields at the Harris River Park on Mauldin Road.
- 27.00 ftMinor flooding continues to expand further into the woodlands...fields and pastures upstream and downstream from the gage behind the water treatment plant off Mauldin Road. A boat ramp and small parking lot on the upstream and right bank side of the Georgia Highway 136 Connector will be under at least 6 feet of water.
- 25.00 ftMinor flooding continues to expand into the woodlands...fields and pastures upstream and downstream from the gage behind the water treatment plant off Mauldin Road. A boat ramp and small parking lot on the upstream and right bank side of the Georgia Highway 136 Connector will be under at least 4 feet of water.
- 23.00 ftMinor flooding continues to expand into the woodlands...fields and pastures upstream and downstream from the gage behind the water treatment plant off Mauldin Road. A boat ramp and small parking lot on the upstream and right bank side of the Georgia Highway 136 Connector will be under at least 2 feet of water.
- 21.00 ftMinor flooding begins of woodlands...fields and pastures upstream and downstream from the gage behind a water treatment plant off Mauldin Road. A boat ramp and portions of a small parking lot on the upstream and right bank side of the Georgia Highway 136 Connector will be under water.
- 18.00 ftBankfull is reached upstream and downstream from the river gauge behind the water treatment plant off Mauldin Road. The water level reaches the top of the boat ramp just upstream from the Georgia Highway 136 Connector or North River Street bridge.
Crest history
45 crests on NOAA’s list since 1980.
| # | Date | Stage |
|---|---|---|
| 1 | February 19, 1990 | 34.15 ft |
| 2 | December 28, 2015 | 29.97 ft |
| 3 | March 24, 1980 | 29.71 ft |
| 4 | January 6, 1982 | 29.10 ft |
| 5 | March 28, 2021 | 28.12 ft |
| 6 | February 24, 2019 | 28.00 ft |
| 7 | January 9, 2009 | 25.74 ft |
| 8 | February 9, 2020 | 25.64 ft |
| 9 | April 6, 2000 | 25.57 ft |
| 10 | May 9, 2013 | 25.47 ft |
| 11 | March 7, 1989 | 25.16 ft |
| 12 | January 19, 2013 | 25.12 ft |
| 13 | March 2, 1987 | 24.73 ft |
| 14 | April 16, 2020 | 24.43 ft |
| 15 | March 28, 2020 | 24.35 ft |
| 16 | February 23, 1991 | 24.22 ft |
| 17 | April 10, 1983 | 23.86 ft |
| 18 | December 3, 2015 | 23.51 ft |
| 19 | May 7, 1984 | 23.50 ft |
| 20 | March 11, 2011 | 22.59 ft |
| 21 | November 12, 2009 | 22.56 ft |
| 22 | May 11, 2024 | 22.54 ft |
| 23 | February 6, 2022 | 22.50 ft |
| 24 | November 16, 2018 | 22.36 ft |
| 25 | February 25, 2016 | 22.22 ft |
Most recent crests
- April 9, 2025: 21.83 ft
- February 14, 2025: 21.60 ft
- May 11, 2024: 22.54 ft
- January 4, 2023: 7.05 ft
- February 6, 2022: 22.50 ft
- September 4, 2021: 21.68 ft
- March 28, 2021: 28.12 ft
- March 21, 2021: 21.26 ft
- April 16, 2020: 24.43 ft
- March 28, 2020: 24.35 ft
Nearby
Upstream, downstream and the gauges around this one.
- UpstreamOostanaula River at Resaca
- DownstreamOostanaula River at Rome
- Oothkalooga Creek at GA 53 Spur at Calhoun
- Coosawattee River at Pine Chapel Road near Resaca
- Coosawattee River at Pine Chapel / Redbud
- Conasauga River at Sloan Bridge below Dalton
- Conasauga River at Tilton
- Armuchee Creek at Old Dalton Road near Rome
- Coosawattee River at Carters
What this means
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.
Sources
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.