Rivers in Georgia
South River at Flakes Mill Road near Snapfinger
Below flood stage
2.04ftStage
Observed Wed, Sep 23, 4:00 PM EDT
- Flood stage
- 13.00 ft
- Record crest
- 21.42 ft2024
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 25.00 ft |
| Moderate flood | 19.00 ft |
| Minor flood | 13.00 ft |
| Action | 11.00 ft |
- 25.00 ftMajor flooding begins with widespread inundation along the river. The Flakes Mill Road bridge forms an obstacle and acts like a dam causing some backwater and erosion eddies to the sides of the bridge. The service road leading to the Snapfinger Advanced Wastewater Treatment Facility will be under water. The west and south sides of the property will be completely flooded with water spilling into the holding areas of the Inflow Channel. Some homes on Roundtable and English Valley Drives will begin to flood.
- 23.00 ftSignificant flooding expands further from the river. The Flakes Mill Road bridge begins to form an obstacle and act like a dam causing some backwater and erosion eddies to the sides of the bridge. The flood waters will cut off large portions of the service road leading to the Snapfinger Advanced Wastewater Treatment Facility. Parking lots and large portions of the west and south sides of the property will be completely flooded. Backyards of Roundtable and English Valley Drives will also be flooded.
- 21.00 ftSignificant flooding expands into the woodlands upstream and downstream from the gage on Flakes Mill Road. The water level reaches the bottom of the bridge and county officials may close it. The flood waters will cut off portions of the service road leading to the Snapfinger Advanced Wastewater Treatment Facility. The parking lots south of the administration building on the property will be under two feet of water. Flooding in backyards of homes on Roundtable and English Valley Drives continues to deepen.
- 19.00 ftModerate flooding begins. Significant flooding expands further into the woodlands along the river upstream and downstream from the gage on Flakes Mill Road. The Chapel Park west of the gage will be completely flooded. The flood waters will cover low portions of the service road leading to the Snapfinger Advanced Wastewater Treatment Facility...and affect the parking lots south of the administration building on the property. Flooding begins in backyards of homes on Roundtable and English Valley Drives.
- 17.00 ftMinor flooding expands further into the woodlands along the river upstream and downstream from the gage on Flakes Mill Road. Large portions of the Chapel Park west of the gage will be under 4 to 5 feet of water. The flood waters will approach low portions of the service road leading to the Snapfinger Advanced Wastewater Treatment Facility.
- 15.00 ftMinor flooding continues to expand further into the woodlands along the river upstream and downstream from the gage on Flakes Mill Road. Large portions of the Chapel Park west of the gage will be under 2 to 3 feet of water.
- 13.00 ftFlood stage is reached. Minor flooding will occur in the woodlands and natural flood plain of the river upstream and downstream from the gage on Flakes Mill Road. Portions of the Chapel Park just west of the gage will begin to flood.
- 11.00 ftBankfull conditions are reached upstream and downstream from the gage at Flakes Mill Road near Chapel Park.
Crest history
20 crests on NOAA’s list since 1956.
| # | Date | Stage |
|---|---|---|
| 1 | September 27, 2024 | 21.42 ft |
| 2 | February 25, 1961 | 21.30 ft |
| 3 | March 16, 1976 | 19.89 ft |
| 4 | March 17, 1990 | 18.25 ft |
| 5 | December 25, 2015 | 18.23 ft |
| 6 | April 13, 1979 | 17.17 ft |
| 7 | October 11, 2020 | 16.63 ft |
| 8 | April 19, 2019 | 16.35 ft |
| 9 | March 6, 2024 | 15.92 ft |
| 10 | April 6, 1964 | 15.58 ft |
| 11 | February 13, 1966 | 14.87 ft |
| 12 | March 6, 1983 | 14.72 ft |
| 13 | March 8, 1980 | 14.41 ft |
| 14 | April 30, 1963 | 14.34 ft |
| 15 | February 1, 1973 | 13.89 ft |
| 16 | March 16, 1956 | 13.71 ft |
| 17 | December 29, 2018 | 13.63 ft |
| 18 | April 18, 1969 | 13.55 ft |
| 19 | December 31, 1973 | 13.17 ft |
| 20 | April 6, 2017 | 13.06 ft |
Most recent crests
- September 27, 2024: 21.42 ft
- March 6, 2024: 15.92 ft
- October 11, 2020: 16.63 ft
- April 19, 2019: 16.35 ft
- December 29, 2018: 13.63 ft
- April 6, 2017: 13.06 ft
- December 25, 2015: 18.23 ft
- March 17, 1990: 18.25 ft
- March 6, 1983: 14.72 ft
- March 8, 1980: 14.41 ft
Nearby
Upstream, downstream and the gauges around this one.
- UpstreamSouth River
- DownstreamSouth River at Klondike Road near Lithonia
- Shoal Creek at Columbia Drive near Atlanta
- Snapfinger Creek at Thompson Mill Road near Lithonia
- Cobbs Creek at Rainbow Drive near Decatur
- Pole Bridge Creek at Evans Mill Road near Lithonia
- Doolittle Creek at Flat Shoals Rd near Decatur
- Intrenchment Creek at Constitution Road near Atlanta
What this means
Forecasts by the Southeast River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. 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.