Yellow River near Snellville, GA
River level and flood forecast · Gwinnett County
Normal6.2 ftas of Mon 3:15 PM
The river is 16.8 ft below flood stage (23 ft).
Flow: 159 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 | 33 ft |
| Moderate flood stage | 30 ft |
| Flood stage | 23 ft |
| Action stage | 17 ft |
| Record crest (September 27, 2024) | 23.75 ft |
What floods at each level
From the National Weather Service, highest first.
- 33 ftWidespread major flooding begins along the river upstream and downstream of the gage on the Killian Hill Road bridge. At least two residences along the left bank downstream of the gage will have water inundating the lower level. Backyards of residences along the river will be inundated with several feet of water, including up to twelve or more feet in portions of the powerline easement.
- 30 ftWidespread moderate flooding begins along the river upstream and downstream of the gage on the Killian Hill Road bridge. Water is several feet deep along the channel and in the powerline easement behind Runnymede Court and Runnymede Drive and is ten or more feet deep in some areas. Water approaches the foundations of some residences. Backyards of residences on Pathfinder Way and Cotswold Drive will be inundated with 1 to 3 feet of water.
- 23 ftMinor flooding occurs along the river upstream and downstream of the gage on the Killian Hill Road bridge. Water is 1 to 5 feet deep along the channel and in the powerline easement behind Runnymede Court and Runnymede Drive. Yards of some nearby homes will be flooded with 1 to 3 feet of water.
- 22 ftBankfull conditions continue, with water spreading into the natural floodplain upstream and downstream of the gage on Killian Hill Road. Water will be several feet deep along the banks of the river.
- 20 ftBankfull conditions continue, with water spreading into the natural floodplain upstream and downstream of the gage on the Killian Hill Road bridge.
- 17 ftBankfull conditions occur along the river upstream and downstream from the gage on the Killian Hill Road bridge.
Highest crests on record
- 23.75 ft — September 27, 2024
- 20.67 ft — December 29, 2018
- 19.67 ft — March 17, 1990
- 18.84 ft — April 20, 2019
- 16.77 ft — May 7, 1956
Recent crests: 23.75 ft (September 27, 2024) · 18.84 ft (April 20, 2019) · 13.31 ft (February 20, 2019) · 20.67 ft (December 29, 2018) · 15.49 ft (December 9, 2018)
Up and down the river, and nearby
- DownstreamYellow River at GA 124 near Lithonia, GA
- Garner Creek near Snellville, GA
- Watson Creek Tributary at Tanglewood Drive near Snellville, GA
- Little Stone Mountain Creek at Old Stone Mountain Road near Stone Mountain, GA
- Yellow River Tributary at Plantation Road near Lawrenceville, GA
- Stone Mountain Creek at Silver Hill Road near Stone Mountain, GA
- Stone Mountain Creek at GA 124 near Lithonia, GA
- Pew Creek at Patterson Road near Lawrenceville, GA
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (YESG1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.