Sweetwater Creek (E ATL) at Club Drive near Lilburn, GA
River level and flood forecast · Gwinnett County
Normal3.0 ftas of Mon 4:15 PM
The river is 8.0 ft below flood stage (11 ft).
Flow: 20 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 | 19 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 11 ft |
| Action stage | 9 ft |
| Record crest (September 21, 2009) | 15.9 ft |
What floods at each level
From the National Weather Service, highest first.
- 20 ftMajor flooding continues of the Northwood Country Club Golf Course upstream from Club Drive...and in the woodland areas downstream through the merging with the Yellow River. The water level begins to flood portions of Club Drive near the bridge and will likely washout the banks and road on either side of the bridge. The USGS monitoring station will be under one foot of water and alternative measuring will be necessary. Yards of homes near the creek will be completely flooded with water entering houses.
- 19 ftMajor flooding begins with widespread inundation of the Northwood Country Club Golf Course upstream from the gage on Club Drive...and in the woodland areas downstream through the merging with the Yellow River. The water level begins to flood portions of Club Drive near the bridge and will likely washout the banks and road near the bridge. The water will also reach the bottom of the USGS monitoring station. Yards of homes near the creek will be completely flooded with water entering some houses.
- 17 ftSignificant flooding continues to expand further into the Northwood Country Club Golf Course upstream from the gage on Club Drive...and in the woodland areas downstream from the gage...and for the next four miles until the creek merges with the Yellow River. The water level reaches the bottom of the bridge on Club Drive and erosion of the banks near the bridge will occur. Backyards of homes near the creek will be flooded.
- 15 ftModerate flooding begins. Significant flooding develops and expands further into the Northwood Country Club Golf Course upstream from the gage on Club Drive...and in the woodland areas downstream from the gage...and for the next four miles until the creek merges with the Yellow River. The water level will be just two feet under the bridge on Club Drive and erosion of the banks near the bridge will begin to occur. Backyards of homes near the creek will begin to flood.
- 13 ftMinor flooding will continue to expand further into the Northwood Country Club Golf Course upstream from the gage on Club Drive...and in the woodland areas downstream from the gage...and for the next four miles until the creek merges with the Yellow River. An old concrete golf cart bridge around 300 feet downstream from the gage will be around two feet under water.
- 11 ftFlood stage is reached. Minor flooding will occur in portions of the Northwood Country Club Golf Course upstream from the gage on Club Drive...and in the woodland areas downstream from the gage and for the next four miles until the creek merges with the Yellow River. An old concrete golf cart bridge around 300 feet downstream from the gage will begin to flood.
- 9 ftBankfull conditions are reached upstream and downstream from the gage at Club Drive. Portions of the Northwood Country Club Golf Course will begin to flood upstream in low lying areas near the creek.
Highest crests on record
- 15.9 ft — September 21, 2009
- 13.14 ft — May 19, 2013
- 12.82 ft — October 11, 2020
- 12.62 ft — May 3, 2010
- 12.5 ft — September 27, 2024
Recent crests: 12.17 ft (June 13, 2025) · 11.83 ft (February 13, 2025) · 12.5 ft (September 27, 2024) · 11.8 ft (March 6, 2024) · 12.12 ft (January 9, 2024)
Up and down the river, and nearby
- Bromolow Creek Tributary at Pond Road near Norcross, GA
- Yellow River Tributary at Plantation Road near Lawrenceville, GA
- Pew Creek at Patterson Road near Lawrenceville, GA
- Beaver Ruin Creek at Mitchell Road near Norcross, GA
- Wolf Creek Tributary at Dean Road near Suwanee, GA
- Garner Creek near Snellville, GA
- Jackson Creek Tributary at at Williams Road near Lilburn, GA
- Yellow River near Snellville, GA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (STWG1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.