Nancy Creek at Johnson Ferry Road near Chamblee
Georgia — Water Level & Flood Stage
Located in De Kalb County, Georgia on the Nancy Creek. Live water level data from USGS gauge 02336340, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
24 ft
Moderate Flood
20 ft
Minor Flood
16 ft
Action Stage
15 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
24 ft
Record flooding continues upstream and downstream from the gage on Johnson Ferry Road. A large portion of the Marist High School campus will be flooded...including parking lots...the baseball and football fields...and the parking garage under the gym. Major flooding will continue downstream in Fulton County to Rickenbacker Drive. Many homes on East Powderhorn Road...Hitching Post Trail...Pine Forest Road...Valley Brook Drive and Valley Green Drive will flood. The impacts will be similar to September 2004.
23 ft
Record flooding occurs upstream and downstream from the gage on Johnson Ferry Road. A large portion of the Marist High School campus will be flooded...including parking lots...the baseball and football fields...and the parking garage under the gym. Major flooding will continue downstream in Fulton County to Rickenbacker Drive. Many homes on East Powderhorn Road...Hitching Post Trail...Pine Forest Road...Valley Brook Drive and Valley Green Drive will flood. The impacts will be similar to September 2009.
22 ft
Moderate flooding expands into the woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. A large portion of the Marist High School campus will be flooded...including parking lots...baseball fields...and the parking garage under the gym. Major flooding will develop downstream in Fulton County to Rickenbacker Drive. Many homes on East Powderhorn Road...Hitching Post Trail...Pine Forest Road...Valley Brook Drive and Valley Green Drive will be flooded.
20 ft
Moderate flooding begins in the woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. The pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus will be inundated. The student parking lot and baseball fields will be flooded with 1 to 3 feet of water. Backed up storm drains will likely flood the parking garage under the gym. Moderate flooding continues downstream to Rickenbacker Drive. Some homes will begin to flood near the creek.
19 ft
Minor flooding expands further into the woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. The water will be around 3 feet over the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus. The student parking lot and portions of the baseball fields will be flooded with 1 to 2 feet of water. Moderate flooding develops in residential yards downstream to Rickenbacker Drive. Some crawl spaces or foundations of homes may flood.
18 ft
Minor flooding continues to expand into the woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. The water will be around two feet over the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus. The student parking lot will be flooded and the baseball fields will begin to flood. Minor flooding of residential yards will continue downstream to Rickenbacker Drive.
17 ft
Minor flooding continues of woodlands and athletic fields upstream and downstream from the gage on Johnson Ferry Road. The water will begin to flow over the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus. The student parking lot will begin to flood. Minor flooding of residential yards will continue downstream to Rickenbacker Drive.
16 ft
Flood stage is reached. Minor flooding of woodlands and athletic fields occurs upstream and downstream from the gage on Johnson Ferry Road. The water level will be hitting the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus. This may cause some backwater and erosion eddies to form to the sides of the bridges. Minor flooding of residential yards will likely begin downstream to Rickenbacker Drive.
15 ft
Bankfull conditions are reached upstream and downstream from the gage on Johnson Ferry Road. Water begins to flow into low areas of the woodlands and athletic fields near the creek. The water level will reach the bottom of the pedestrian and vehicular bridges to the visitor parking lots on the Marist High School campus.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Sep 20, 2009 | 22.5 ft | — |
| Sep 20, 2009 | 22.5 ft | — |
| Sep 26, 2024 | 17.84 ft | 3,432 cfs |
| Sep 26, 2024 | 17.84 ft | 3,432 cfs |
| Aug 9, 2017 | 17.61 ft | — |
About This Gauge
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Frequently Asked Questions
What is the current water level of Nancy Creek at Johnson Ferry Road near Chamblee?
The Nancy Creek at Johnson Ferry Road near Chamblee gauge is maintained by USGS (site 02336340) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Nancy Creek at Johnson Ferry Road near Chamblee?
The NWS-defined flood stage for Nancy Creek at Johnson Ferry Road near Chamblee is 16 feet. Action stage begins at 15 feet. Moderate flooding starts at 20 feet, and major flooding at 24 feet.
How do I get alerts when Nancy Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Nancy Creek at Johnson Ferry Road near Chamblee to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Nancy Creek at Johnson Ferry Road near Chamblee gauge located?
The gauge is located in De Kalb County, Georgia at coordinates 33.8978°N, 84.3456°W. USGS site number: 02336340. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Automated gauge readings are now available, courtesy of the USGS.