Nickajack Creek at US Highway 78 and 278 near Mableton, GA
River level and flood forecast · Cobb County
The river is 8.8 ft below flood stage (10 ft).
Flow: 13 cubic feet per second (USGS).
Normal for October 13.
Usual for October 13: 11 to 25 cubic feet per second (the middle half of 30 years).
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.
Get flood alerts for this river
An email when the National Weather Service forecasts Nickajack Creek at US Highway 78 and 278 near Mableton to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 21 ft |
| Moderate flood stage | 16 ft |
| Flood stage | 10 ft |
| Action stage | 8 ft |
| Record crest (September 22, 2009) | 19.85 ft |
What floods at each level
From the National Weather Service, highest first.
- 21 ftRecord flooding occurs with widespread inundation of the woodlands upstream and downstream from Veterans Memorial Highway. The water will be reaching the bottom of the bridge and county officials may close it. Nickajack Park will be completely flooded with up to 11 feet of water. Numerous homes on West Rosie Lane...North Brookside Drive...Brookside Drive...Glandor Drive...Riverline Trail and Graywood Drive will be flooded with up to 3 feet of water.
- 20 ftSignificant flooding expands further into the woodlands upstream and downstream from Veterans Memorial Highway. The water will be approaching the bottom of the bridge. Nickajack Park will be completely flooded with up to 10 feet of water. Several homes on West Rosie Lane...North Brookside Drive...Brookside Drive...Glandor Drive and Riverline Trail will be flooded with up to two feet of water.
- 18 ftSignificant flooding expands in the woodlands upstream and downstream from the gage at Veterans Memorial Highway. Nickajack Park around one mile upstream from the gage will be completely flooded with up to 8 feet of water. Backyards of residential homes on West Rosie Lane...North Brookside Drive...Brookside Drive...Glandor Drive and Riverline Trail will be completely flooded with up to 6 feet of water. The flood waters will have entered several homes.
- 16 ftModerate flooding begins. Significant flooding occurs in the woodlands upstream and downstream from the gage at Veterans Memorial Highway. Large portions of Nickajack Park around one mile upstream from the gage will be flooded with up to 6 feet of water. Backyards of residential homes on West Rosie Lane...North Brookside Drive...Brookside Drive...Glandor Drive and Riverline Trail will be flooded with up to 4 feet of water. The flood waters will be approaching the foundations of some of the homes.
- 14 ftMinor flooding expands further into the woodlands upstream and downstream from the gage at Veterans Memorial Highway. Portions of Nickajack Park around one mile upstream from the gage will be flooded with up to 4 feet of water. Backyards of residential homes on West Rosie Lane...North Brookside Drive...Brookside Drive...Glandor Drive and Riverline Trail will be flooded with up to two feet of water.
- 12 ftMinor flooding continues in the woodlands and natural flood plain upstream and downstream from the gage at Veterans Memorial Highway. Portions of Nickajack Park around one mile upstream from the gage will be flooded with up to two feet of water. Backyards of residential homes on West Rosie Lane...North Brookside Drive...Brookside Drive...Glandor Drive and Riverline Trail will begin to flood.
- 10 ftFlood stage is reached. Minor flooding will occur in the woodlands and the natural flood plain upstream and downstream from the gage at Veterans Memorial Highway. Portions of Nickajack Park will begin to flood around one mile upstream from the gage.
- 8 ftBankfull conditions are reached along the creek upstream and downstream from the gage at Veterans Memorial Highway.
Highest crests on record
- 19.85 ft — September 22, 2009
- 16.6 ft — July 11, 2005
- 15.83 ft — September 27, 2024
- 13.65 ft — May 16, 2003
- 13.62 ft — March 8, 1998
Recent crests: 10.95 ft (February 13, 2025) · 15.83 ft (September 27, 2024) · 11.95 ft (August 30, 2023) · 10.29 ft (January 4, 2023) · 10.24 ft (December 30, 2021)
Highest flow on record
8,160 cubic feet per second — September 27, 2024. From the USGS's yearly peaks since 1961.
Up and down the river, and nearby
- Chattahoochee River at GA 280 near Atlanta, GA
- Proctor Creek at Jackson Parkway at Atlanta, GA
- Utoy Creek at Great Southwest Parkway near Atlanta, GA
- Woodall Creek at Defoors Ferry Road at Atlanta, GA
- Proctor Creek near Atlanta, GA
- Nancy Creek at West Wesley Road at Atlanta, GA
- Chattahoochee River at Atlanta, GA
- Sweetwater Creek near Austell, GA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (NICG1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.