Stone Mountain Creek at GA 124 near Lithonia, GA

River level and flood forecast · De Kalb County

Normal4.1 ftas of Mon 3:45 PM

The river is 7.9 ft below flood stage (12 ft).

Flow: 36 cubic feet per second (USGS).

The last 7 days and the forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage	25 ft
Moderate flood stage	18 ft
Flood stage	12 ft
Action stage	10 ft

What floods at each level

From the National Weather Service, highest first.

25 ftMajor flooding begins. Flooding never seen before expands into the woodlands from the gage at Rock Chapel Road or Georgia Highway 124. The water level will reach the bottom of the bridge and county officials may close it. The flood waters will affect numerous homes on Kilkenny Circle...Stonebridge Park Circle...The Trace and Horseshoe Bend. The flood waters will approach the foundation of a landscape company near the bridge.
20 ftSignificant flooding continues in the woodlands upstream and downstream from the gage at Rock Chapel Road or Georgia Highway 124. The flood waters will be around two feet deep in some homes on Stonebridge Park Circle. The flood waters will be around 8 feet deep in the lower level of one home upstream and right bank from the gage. A small parking area of a landscape company near the bridge will be under 8 feet of water.
18 ftModerate flooding begins. Significant flooding occurs in the woodlands upstream and downstream from the gage at Rock Chapel Road or Georgia Highway 124. The water level will reach the foundations of some homes on Stonebridge Park Circle. The flood waters will be around 6 feet deep in the lower level of one home upstream and right bank from the gage. A small parking area of a landscape company near the bridge will be under 6 feet of water.
16 ftMinor flooding continues to expand into the woodlands along the creek upstream and downstream from the gage at Rock Chapel Road or Georgia Highway 124. The backyards of homes on Stonebridge Park Circle will be flooded several feet deep with water approaching the foundations of some homes. The flood waters will be around four feet deep in the lower level of one home upstream and right bank from the gage. A small parking area of a landscape company near the bridge will be flooded several feet deep.
14 ftMinor flooding continues in the woodlands along the creek upstream and downstream from the gage at Rock Chapel Road or Georgia Highway 124. The backyards of homes on Stonebridge Park Circle will be flooded several feet deep. The flood waters will be around two feet deep in the lower level of one home upstream and right bank from the gage. A small parking area of a landscape company near the bridge will be flooded a few feet deep.
12 ftFlood stage is reached. Minor flooding begins in the woodlands along the creek upstream and downstream from the gage at Rock Chapel Road or Georgia Highway 124. The backyards of homes on Stonebridge Park Circle will be flooded a few feet deep. The water will reach the foundation of one home upstream and right bank from the gage. A small parking area of a landscape company near the bridge will be flooded.
10 ftBankfull conditions are reached upstream and downstream from the gage at Rock Chapel Road or Georgia Highway 124. Water begins to flow into low portions of the woodlands along the creek and backyards of homes on Stonebridge Park Circle.

Up and down the river, and nearby

See it on the live map →Radar & warnings for De Kalb County NWS gauge page USGS gauge 02207160

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SOCG1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.