South River at Flakes Mill Road near Snapfinger
Flood levels
Official flood levels at this gauge: action stage begins at 11.0 ft; minor flooding begins at 13.0 ft; moderate flooding begins at 19.0 ft; major flooding begins at 25.0 ft.
| Action stage | 11.0 ft |
|---|---|
| Minor flooding | 13.0 ft |
| Moderate flooding | 19.0 ft |
| Major flooding | 25.0 ft |
Highest recorded crests
- 21.4 ft on Sep 27, 2024 (historic crest)
- 21.3 ft on Feb 25, 1961 (historic crest)
- 19.9 ft on Mar 16, 1976 (historic crest)
- 18.2 ft on Mar 17, 1990 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 11.0 ft | Bankfull conditions are reached upstream and downstream from the gage at Flakes Mill Road near Chapel Park. |
|---|---|
| 13.0 ft | Flood 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. |
| 15.0 ft | Minor 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. |
| 17.0 ft | Minor 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. |
| 19.0 ft | Moderate 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. |
| 21.0 ft | Significant 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. |
| 23.0 ft | Significant 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. |
| 25.0 ft | Major 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. |
Forecast office: NWS Peachtree City · River Forecast Center: Southeast River Forecast Center.
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Nearby stations and gauges
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