Allatoona Creek at Stilesboro Road near Acworth, GA

River level and flood forecast · Cobb County

Normal5.0 ftas of Mon 8:15 PM

The river is 8.0 ft below flood stage (13 ft).

Flow: 6 cubic feet per second (USGS).

The last 7 days and the forecast

NWS forecast issued Mon, Jan 1, 12 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage	23 ft
Moderate flood stage	18 ft
Flood stage	13 ft
Action stage	11 ft
Record crest (September 21, 2009)	23.9 ft

What floods at each level

From the National Weather Service, highest first.

25 ftRecord flooding never seen before will cause widespread inundation of the woodlands and fields near the creek upstream and downstream from the gage on Stilesboro Road. The bridge will be topped with around two feet of water and will likely cause erosion to the sides of the bridge. The flood waters will be around 6 feet deep on portions of the road. This flooding will be worse than the September 2009 flood event.
24 ftRecord flooding will cause widespread inundation of the woodlands and fields near the creek upstream and downstream from the gage on Stilesboro Road. The bridge will be topped with around one foot of water and may cause erosion to the sides. The flood waters will be around 5 feet deep on portions of the road. This flooding will be similar to the September 2009 flood event.
23 ftMajor flooding begins. Near record and widespread inundation flooding occurs in the woodlands and fields near the creek upstream and downstream from the gage on Stilesboro Road. The water level begins to top the bridge and may cause erosion to the sides. The flood waters will be around 4 feet deep on portions of the road.
21 ftSignificant flooding continues to expand further into the woodlands and fields near the creek upstream and downstream from the gage on Stilesboro Road. The water level hits the bridge and may cause erosion to the sides. The flood waters will be around two feet deep on portions of the road.
19 ftSignificant flooding continues in the woodlands and fields near the creek upstream and downstream from the gage on Stilesboro Road. The water level begins to hit the bridge and flood lower portions of the road. County officials will likely close the road.
18 ftModerate flooding begins. Significant flooding occurs in the woodlands and fields near the creek upstream and downstream from the gage on Stilesboro Road. The water level is close to the bottom of the bridge and county officials may close it.
17 ftMinor flooding expands further into the woodlands and fields near the creek upstream and downstream from the gage on Stilesboro Road.
15 ftMinor flooding continues to expand further into the woodlands and fields near the creek upstream and downstream from the gage on Stilesboro Road.
13 ftFlood Stage is reached. Minor flooding begins in the woodlands and fields near the creek upstream and downstream from the gage on Stilesboro Road.
11 ftBankfull conditions are reached upstream and downstream from the gage located on Stilesboro Road.

Highest crests on record

23.9 ft — September 21, 2009
14.82 ft — June 1, 2018
14.78 ft — February 6, 2020
14.73 ft — September 21, 2009
14.7 ft — September 27, 2024

Recent crests: 13.1 ft (January 10, 2026) · 13.89 ft (February 13, 2025) · 14.7 ft (September 27, 2024) · 13.07 ft (January 25, 2024) · 13.86 ft (January 9, 2024)

Up and down the river, and nearby

See it on the live map →Radar & warnings for Cobb County NWS gauge page USGS gauge 02393419

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MAHG1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.