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South Fork Peachtree Creek at Johnson Road near Atlanta, GA

River level and flood forecast · De Kalb County

Normal3.5 ftas of Mon 4:15 PM

The river is 9.5 ft below flood stage (13 ft).

Flow: 12 cubic feet per second (USGS).

The last 7 days and the forecast

05101520TueWedThuFriSatSunMonAction 11 ftFlood 13 ftModerate 15 ftMajor 17 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage17 ft
Moderate flood stage15 ft
Flood stage13 ft
Action stage11 ft
Record crest (September 27, 2024)16.53 ft

What floods at each level

From the National Weather Service, highest first.

  • 22 ftRecord flooding never seen before will expand upstream and downstream from the gage on Johnson Road. A catastrophic and massive flood will affect residential homes and businesses along the creek with a few feet of water. The water level will reach the bottom of the Johnson Road bridge and the USGS gage house. This height combined with the flow on North Fork Peachtree Creek will produce record flooding further downstream on Peachtree Creek in Fulton County.
  • 18 ftRecord flooding never seen before will expand along the creek upstream and downstream from the gage on Johnson Road. Widespread inundation will occur of the backyards of residential homes on Noble Drive...Helen Drive and Kay Lane with up to 5 feet of water. The water level will surround the foundations of some homes and enter some crawl spaces or basements. This height combined with the flow on North Fork Peachtree Creek will produce major flooding further downstream on Peachtree Creek in Fulton County.
  • 17 ftMajor flooding begins along the creek upstream and downstream from the gage on Johnson Road. Record flooding never seen before will inundate backyards of the residential homes on Noble Drive...Helen Drive and Kay Lane with up to 4 feet of water. The water level will reach the foundations of a few homes and may enter some crawl spaces. This height combined with the flow on North Fork Peachtree Creek will likely produce major flooding further downstream on Peachtree Creek in Fulton County.
  • 16 ftSignificant flooding continues along the creek upstream and downstream from the gage on Johnson Road. Backyards of the residential homes on Noble Drive...Helen Drive and Kay Lane will be flooded with up to 3 feet of water. The water level will cover patios and begin to reach the foundations of a few homes. This height combined with the flow on North Fork Peachtree Creek will produce significant flooding further downstream on Peachtree Creek in Fulton County.
  • 15 ftModerate flooding begins along the creek upstream and downstream from the gage on Johnson Road. Large portions of backyards of residential homes on Noble Drive...Helen Drive and Kay Lane will be flooded with around two feet of water. The water level will begin to reach the patios of a few homes. This height combined with the flow on North Fork Peachtree Creek will likely produce significant flooding further downstream on Peachtree Creek in Fulton County.
  • 14 ftMinor flooding continues along the creek upstream and downstream from the gage on Johnson Road. Portions of backyards of residential homes on Noble Drive...Helen Drive and Kay Lane will be flooded with around one foot of water. This height combined with the flow on North Fork Peachtree Creek will likely produce flooding further downstream on Peachtree Creek in Fulton County.
  • 13 ftFlood stage is reached. Minor flooding of the natural flood plain begins upstream and downstream from the gage on Johnson Road. This includes low portions of the backyards of residential homes on Noble Drive...Helen Drive and Kay Lane. This height combined with the flow on North Fork Peachtree Creek may also produce flooding further downstream on Peachtree Creek in Fulton County.
  • 11 ftBankfull conditions are reached upstream and downstream from the stream gage at Johnson Road.

Highest crests on record

  1. 16.53 ft — September 27, 2024
  2. 16.35 ft — March 16, 1976
  3. 16.1 ft — September 16, 2004
  4. 15.26 ft — September 21, 2009
  5. 14.54 ft — December 28, 2018

Recent crests: 16.53 ft (September 27, 2024) · 13.64 ft (March 6, 2024) · 13.54 ft (July 22, 2023) · 13.57 ft (October 11, 2020) · 13.36 ft (April 19, 2019)

Up and down the river, and nearby

See it on the live map →Radar & warnings for De Kalb CountyNWS gauge pageUSGS gauge 02336240

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SPJG1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.