Sewell Mill Creek at GA 120 near Marietta
Flood levels
Official flood levels at this gauge: action stage begins at 9.0 ft; minor flooding begins at 11.0 ft; moderate flooding begins at 16.0 ft; major flooding begins at 20.0 ft.
| Action stage | 9.0 ft |
|---|---|
| Minor flooding | 11.0 ft |
| Moderate flooding | 16.0 ft |
| Major flooding | 20.0 ft |
Highest recorded crests
- 13.3 ft on Sep 21, 2009 (historic crest)
- 12.2 ft on Jul 12, 2012 (historic crest)
- 11.3 ft on Sep 8, 2021 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 9.0 ft | Bankfull conditions are reached upstream and downstream from the gage on Roswell Road. Water begins to flow into low areas of East Cobb Park on the right bank of the creek. |
|---|---|
| 11.0 ft | Flood stage is reached. Minor flooding of residential yards and woodlands occurs upstream and downstream from the gage on Roswell Road. The water will be up to three feet deep in the lower portions of East Cobb Park on the right bank of the creek. The water level will begin to hit the Robinson Road bridge. The athletic field next to the creek off Robinson Road will begin to flood. |
| 12.0 ft | Minor flooding continues of the residential yards and woodlands upstream and downstream from the gage on Roswell Road. The water will be from 1 to 4 feet deep in the East Cobb Park on the right bank of the creek. The portion of Robinson Road over the creek and by Robinson Farms Drive will be flooded with at least one foot of water. The athletic field next to the creek off Robinson Road will be flooded with a few feet of water. |
| 13.0 ft | Minor flooding continues to expand further into the residential yards and woodlands upstream and downstream from the gage on Roswell Road. The water will be from 2 to 5 feet deep in the East Cobb Park on the right bank of the creek. A portion of Robinson Road over the creek by Robinson Farms Drive will be flooded with at least 2 feet of water. The athletic field next to the creek off Robinson Road will be flooded with several feet of water. |
| 14.0 ft | Minor flooding continues to expand further into the residential yards and woodlands upstream and downstream from the gage on Roswell Road. The water will be from 3 to 6 feet deep in the East Cobb Park on the right bank of the creek. A portion of Robinson Road over the creek by Robinson Farms Drive will be flooded with at least 3 feet of water. The athletic field next to the creek off Robinson Road will be flooded with several feet of water. |
Forecast office: NWS Peachtree City · River Forecast Center: Southeast River Forecast Center.
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Nearby stations and gauges
- Sope Creek at Lower Roswell Road near Marietta NWS gauge · 1.8 mi
- Willeo Creek at GA 120 near Roswell NWS gauge · 3.7 mi
- Chattahoochee River below Morgan Falls Dam near Roswell NWS gauge · 4.0 mi
- Chattahoochee River at Powers Ferry + I-285 near Atlanta NWS gauge · 5.4 mi
- Rottenwood Creek at Interstate North Parkway near Smyrna NWS gauge · 5.9 mi
- Big Creek below Hog Wallow at Roswell NWS gauge · 6.3 mi