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Nancy Creek at Johnson Ferry Road near Chamblee

Highest listed crest 22.50 ftFlood stage 16.0 ft7 crests since 2009

The Nancy Creek at Johnson Ferry Road near Chamblee crested above flood stage 7 times among the 7 crests the National Weather Service lists from 2009 to 2024. The highest, 22.50 ft on September 21, 2009, was moderate flooding, 6.50 feet above flood stage. 2 other gauges on the Nancy Creek crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest
22.50 ft
September 21, 2009
Flood stage
16.0 ft
Major flooding from 24.0 ft
Crests at major
0
7 above flood stage
Most recent flood crest
September 27, 2024
17.84 ft, minor flooding
Location
DeKalb County
Near Brookhaven (2.4 mi), Sandy Springs (2.7 mi), Chamblee (2.8 mi)

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Nancy Creek at Johnson Ferry Road near Chamblee
Action stage15.00—The level at which the NWS or its partners begin to take action
Flood stage (minor)16.06Sep 27, 2024Minimal or no property damage, but possibly some public threat
Moderate flood stage20.01Sep 21, 2009Some inundation of structures and roads near the stream
Major flood stage24.00—Extensive inundation of structures and roads

Every listed crest

7 crests from 2009 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Nancy Creek at Johnson Ferry Road near Chamblee, 2009 to 2024 1618202224ft Flood stage 16.0 ftMajor 24.0 ft Sep 21, 2009: 22.50 ft, moderate floodingJun 6, 2013: 16.20 ft, minor floodingAug 9, 2017: 17.61 ft, minor floodingDec 28, 2018: 16.19 ft, minor floodingOct 11, 2020: 17.21 ft, minor floodingAug 30, 2023: 16.48 ft, minor flooding; 2,901 cubic feet per secondSep 27, 2024: 17.84 ft, minor flooding; 3,432 cubic feet per second Highest, 22.50 ft, Sep 21, 2009 2010201520202025

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Nancy Creek at Johnson Ferry Road near Chamblee 2000s: 1 2010s: 3 3 2020s: 3 2000s2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Nancy Creek at Johnson Ferry Road near Chamblee
1Sep 21, 200922.50+6.50Moderate—
2Sep 27, 202417.84+1.84Minor3,432
3Aug 9, 201717.61+1.61Minor—
4Oct 11, 202017.21+1.21Minor—
5Aug 30, 202316.48+0.48Minor2,901
6Jun 6, 201316.20+0.20Minor—
7Dec 28, 201816.19+0.19Minor—

The worst floods along the Nancy Creek

For this gauge's highest crests, the other gauges on the Nancy Creek that crested above flood stage within a week.

September 21, 2009: 22.50 ft here, moderate flooding

September 27, 2024: 17.84 ft here, minor flooding

August 9, 2017: 17.61 ft here, minor flooding

Gauges on the Nancy Creek

In USGS station-number order, which runs downstream within a river basin.

Flood gauges on the Nancy Creek
Johnson Ferry Road near Chamblee this gaugeGA16.022.50 ft, Sep 21, 20090
Rickenbacker Drive at AtlantaGA11.015.50 ft, Dec 1, 19738
West Wesley Road at AtlantaGA12.025.46 ft, Sep 22, 20093

Other gauges in DeKalb County

Flood gauges in DeKalb County
Montreal Road near Tucker8.08.64 ft, Oct 11, 20200
Rainbow Drive near Decatur11.013.32 ft, Oct 11, 20200
Constitution Road near Atlanta11.014.23 ft, Sep 16, 20040
Briarwood Road near Atlanta10.015.81 ft, Sep 27, 20240
Buford Highway at Atlanta13.018.57 ft, Sep 21, 20094
Evans Mill Road near Lithonia8.08.25 ft, Apr 19, 20190
Columbia Drive near Atlanta11.013.42 ft, Dec 24, 20150
Redan Road near Glen Haven12.018.00 ft, Sep 21, 20090
Thompson Mill Road near Lithonia16.017.54 ft, Oct 11, 20200
Casa Drive at Clarkston10.010.25 ft, Sep 27, 20240
Johnson Road near Atlanta13.016.53 ft, Sep 27, 20240
Bouldercrest Road at Atlanta15.016.01 ft, Sep 27, 20240
Flakes Mill Road near Snapfinger13.021.42 ft, Sep 27, 20240
Silver Hill Road near Stone Mountain9.09.94 ft, Oct 11, 20200
GA 124 near Lithonia15.027.47 ft, Sep 21, 20091
Pleasant Hill Road near Lithonia13.025.54 ft, Sep 22, 20091

DeKalb County: every hazard · River floods across the country · Georgia

NOAA National Water Prediction Service, gauge NCDG1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.