Swift Creek at Rock Chapel Road near Lithonia
Flood levels
Official flood levels at this gauge: action stage begins at 7.0 ft; minor flooding begins at 9.0 ft; moderate flooding begins at 14.0 ft; major flooding begins at 19.0 ft.
| Action stage | 7.0 ft |
|---|---|
| Minor flooding | 9.0 ft |
| Moderate flooding | 14.0 ft |
| Major flooding | 19.0 ft |
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 7.0 ft | Bankfull conditions are reached upstream and downstream from the stream gage behind a DeKalb County Pump Station off Rock Chapel Road. Water begins to flow into low portions of the woodlands along the creek. |
|---|---|
| 9.0 ft | Flood stage is reached. Minor flooding occurs in the woodlands and grassy areas along the creek upstream and downstream from the stream gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be from 1 to 2 feet deep in the grassy areas. |
| 11.0 ft | Minor flooding continues in the woodlands and grassy areas along the creek upstream and downstream from the stream gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be from 3 to 4 feet deep in the grassy areas. |
| 13.0 ft | Minor flooding continues to expand further into woodlands and grassy areas along the creek upstream and downstream from the stream gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be from 5 to 6 feet deep in the grassy areas. |
| 14.0 ft | Moderate flooding begins. Significant flooding occurs in the woodlands and grassy areas along the creek upstream and downstream from the gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be from 6 to 7 feet deep in the grassy areas. The water level will reach the top of the center manhole cover of a sanitary sewer. |
| 15.0 ft | Significant flooding continues in the woodlands and grassy areas along the creek upstream and downstream from the gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be from 7 to 8 feet deep in the grassy areas. The water level will be around one foot above the center manhole cover of a sanitary sewer. |
| 17.0 ft | Significant flooding continues to expand into the woodlands and grassy areas along the creek upstream and downstream from the gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be up to 10 feet deep in the grassy areas. The water level will be around 3 feet above the center manhole cover of a sanitary sewer. |
| 18.0 ft | Significant flooding continues to expand into the woodlands and grassy areas along the creek upstream and downstream from the gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be up to 11 feet deep in the grassy areas. The water level will be around 4 feet above the center manhole cover of a sanitary sewer. The lowest portion of the paved area around the pump station will begin to flood. |
| 19.0 ft | Major flooding begins. Widespread inundation occurs of the woodlands and grassy areas along the creek upstream and downstream from the gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be up to 12 feet deep in the grassy areas. The water level will be around 5 feet above the center manhole cover of a sanitary sewer. The lowest portion of the paved area around the pump station will begin to flood. |
| 20.0 ft | Major flooding occurs with widespread inundation of the woodlands and grassy areas along the creek upstream and downstream from the gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be up to 13 feet deep in the grassy areas. The water level will be around 6 feet above the center manhole cover of a sanitary sewer and be reaching the foundation of the pump station. The flood waters will be around one foot deep over the paved area around building. |
| 21.0 ft | Major flooding continues with widespread inundation of the woodlands and grassy areas along the creek upstream and downstream from the gage behind a DeKalb County Pump Station off Rock Chapel Road. Flood waters will be up to 14 feet deep in the grassy areas. The water level will be around 7 feet above the center manhole cover of a sanitary sewer. The flood waters will begin to enter the pump station building and be around two feet deep over the paved area. |
Forecast office: NWS Peachtree City · River Forecast Center: Southeast River Forecast Center.
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