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Little Stone Mountain Creek at Old Stone Mountain Road near Stone Mountain

National Weather Service gauge LSMG1 · Georgia · De Kalb County · 33.8304, -84.1393 · USGS 02207135

Flood levels

Official flood levels at this gauge: action stage begins at 6.0 ft; minor flooding begins at 8.0 ft; moderate flooding begins at 10.0 ft; major flooding begins at 12.0 ft.

Action stage6.0 ft
Minor flooding8.0 ft
Moderate flooding10.0 ft
Major flooding12.0 ft

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

6.0 ftBankfull conditions are reached along the creek upstream and downstream from the stream gage at Old Stone Mountain Road. Water will be begin to flow into low portions of residential yards.
8.0 ftFlood stage is reached. Minor flooding begins in the residential yards and woodlands along the creek upstream and downstream from the stream gage at Old Stone Mountain Road. Flood waters will be from one to two feet deep in the backyards of a few homes off East Gate Trail...East Gate Drive and Kings Crossing.
9.0 ftMinor flooding will continue to expand into the residential yards and woodlands along the creek upstream and downstream from the stream gage at Old Stone Mountain Road. The water level will be hitting the bottom of the bridge. Flood waters will be from 1 to 3 feet deep in the backyards of a few homes off East Gate Trail...East Gate Drive and Kings Crossing.
10.0 ftModerate flooding begins. Significant flooding occurs in the residential yards and woodlands along the creek upstream and downstream from the stream gage at Old Stone Mountain Road. The water level will be hitting the bridge...possibly causing erosion to the sides of the bridge. County officials may close the bridge. Flood waters will be from 1 to 4 feet deep in the backyards of several homes off East Gate Trail...East Gate Drive and Kings Crossing.
11.0 ftSignificant flooding continues to expand into the residential yards and woodlands along the creek upstream and downstream from the gage at Old Stone Mountain Road. The water level will begin to flow over the road and possibly cause erosion to the sides of the bridge. County officials will likely close the bridge. Flood waters will be from 1 to 5 feet deep in the backyards of several homes off East Gate Trail...East Gate Drive and Kings Crossing.
12.0 ftMajor flooding begins with widespread inundation of the residential yards and woodlands along the creek upstream and downstream from the gage at Old Stone Mountain Road. The water level will be around one foot deep over the road and bridge. County officials will have them closed. Flood waters will be from 1 to 6 feet deep in the backyards of several homes off East Gate Trail...East Gate Drive and Kings Crossing.
13.0 ftMajor flooding continues with widespread inundation of the residential yards and woodlands along the creek upstream and downstream from the gage at Old Stone Mountain Road. The water level will be around two feet deep over the road and bridge. County officials will have them closed. Flood waters will be from 1 to 7 feet deep in the backyards of several homes off East Gate Trail...East Gate Drive and Kings Crossing. A swimming pool near the bridge will begin to flood.
15.0 ftMajor flooding expands with widespread inundation of the residential yards and woodlands along the creek upstream and downstream from Old Stone Mountain Road. The water level will be around 4 feet deep over the road and bridge. County officials will have them closed. Flood waters will be up to 9 feet deep in the backyards and begin to reach foundations of several homes off East Gate Trail...East Gate Drive and Kings Crossing. A swimming pool near the bridge will be under two feet of flood water.
16.0 ftWidespread inundation flooding occurs in the residential yards and woodlands upstream and downstream from Old Stone Mountain Road. The water level will be around 5 feet deep over the road and bridge and reach the bottom of the USGS gage house. County officials will have the road closed. Flood waters will be up to 10 feet deep in the backyards and flood several homes off East Gate Trail...East Gate Drive and Kings Crossing. A swimming pool near the bridge will be under 3 feet of flood water.

Forecast office: NWS Peachtree City · River Forecast Center: Southeast River Forecast Center.

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