TidalMapNickajack Creek at US 78/278, near Mableton, GA Water Level Today
NWS river forecast
| When | Stage | Flow |
|---|
Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.
Last 30 days
About this gauge
USGS gauge 02336635 sits on Nickajack Creek and reads everything draining 32 square miles of the Middle Chattahoochee-Lake Harding basin. Its datum sits 748 feet above sea level NAVD88. Daily flow has been on record here since 1996, 30 years of it.
Where this gauge sits in the drainage
One gauged site sits upstream of here. The closest is Nickajack Creek at Cooper Lake Dr, near Mableton, GA, reading 21 square miles. This gauge adds the 11 square miles that drain in between. Downstream the next reading comes from Chattahoochee River near Fairburn, GA at 2,060 square miles, so what passes this gauge is about 2% of the water measured there. Water passing here goes on to Chattahoochee River above Bear Creek, near Rico, GA and Chattahoochee River near Whitesburg, GA.
Normal flows here
Nickajack Creek runs a median of 25 cfs at this gauge across 30 years of record. March is the fullest month at a median 43 cfs, and September the leanest at 14 cfs. The highest daily mean on record is 5,890 cfs in 2024, and the lowest is 1.3 cfs in 2012.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 34 cfs | 136% |
| Feb | 42 cfs | 168% |
| Mar | 43 cfs | 172% |
| Apr | 36 cfs | 146% |
| May | 30 cfs | 120% |
| Jun | 23 cfs | 92% |
| Jul | 20 cfs | 80% |
| Aug | 18 cfs | 72% |
| Sep | 14 cfs | 58% |
| Oct | 15 cfs | 60% |
| Nov | 20 cfs | 78% |
| Dec | 27 cfs | 108% |
Medians from the USGS daily-statistics record, 1996 to 2025. A month at 100% is running at its own long-term median.
Flood stages and record crests
Nickajack Creek reaches flood stage at this gauge at 10 feet. NWS starts watching it at 8 feet. The highest crest on record is 19.9 feet, in September 2009.
| Category | Gage height |
|---|---|
| Action | 8 ft |
| Minor flooding | 10 ft |
| Moderate flooding | 16 ft |
| Major flooding | 21 ft |
| When | Crest |
|---|---|
| September 2009 | 19.9 ft |
| July 2005 | 16.6 ft |
| September 2024 | 15.8 ft |
| May 2003 | 13.7 ft |
| March 1998 | 13.6 ft |
Flood categories and crest history from the NOAA National Water Prediction Service, gauge NICG1. Stages are gage height, not depth. Not for navigation.
Dams near this gauge
The Army Corps' Morgan Falls Dam is 14 miles from this gauge. The Corps publishes no release schedule for this project; its last observed release and elevations load below.
- Morgan Falls Dam 14 miles
Nearby river gauges
- Chattahoochee River at GA 280, near Atlanta, GA
- Proctor Creek at Jackson Parkway, at Atlanta, GA
- Utoy Creek at Great Southwest Pkwy near Atlanta, GA
- Woodall Creek at Defoors Ferry Rd, at Atlanta, GA
- Chattahoochee River at Atlanta, GA
- Nancy Creek at West Wesley Road, at Atlanta, GA
- Chattahoochee River at US 41, at Atlanta, GA
- Sweetwater Creek near Austell, GA
- Rottenwood Creek at Interstate N Pkwy, near Smyrna, GA
- Olley Creek at Clay Road, near Austell, GA
- Peachtree Creek at Atlanta, GA
- Sweetwater Creek below Austell, GA
Live streamflow and gage height: USGS gauge 02336635. Percentile context computed against the gauge's period of record. Not for navigation.
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