Search
Menu

Explore

Hazards

Analysis

Rankings

Reference

Willeo Creek at GA 120 near Roswell

Highest listed crest 14.70 ftFlood stage 12.0 ft4 crests since 2009

The Willeo Creek at GA 120 near Roswell crested above flood stage 1 time among the 4 crests the National Weather Service lists from 2009 to 2015. The highest, 14.70 ft on September 21, 2009, was minor flooding, 2.70 feet above flood stage.

The gauge

Highest listed crest
14.70 ft
September 21, 2009; 6,200 cubic feet per second
Flood stage
12.0 ft
Major flooding from 26.0 ft
Crests at major
0
1 above flood stage
Most recent flood crest
September 21, 2009
14.70 ft, minor flooding
Location
Cobb County
Near Roswell (3.6 mi), Sandy Springs (5.1 mi), Dunwoody (6.3 mi)

Flood stages

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

Flood categories, Willeo Creek at GA 120 near Roswell
Action stage9.03Jan 4, 2015The level at which the NWS or its partners begin to take action
Flood stage (minor)12.01Sep 21, 2009Minimal or no property damage, but possibly some public threat
Moderate flood stage20.00—Some inundation of structures and roads near the stream
Major flood stage26.00—Extensive inundation of structures and roads

Every listed crest

4 crests from 2009 to 2015. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Willeo Creek at GA 120 near Roswell, 2009 to 2015 51015202530ft Flood stage 12.0 ftMajor 26.0 ft Sep 21, 2009: 14.70 ft, minor flooding; 6,200 cubic feet per secondOct 12, 2009: 10.35 ft, action stage; 1,900 cubic feet per secondApr 7, 2014: 9.42 ft, action stage; 1,450 cubic feet per secondJan 4, 2015: 9.42 ft, action stage; 1,450 cubic feet per second Highest, 14.70 ft, Sep 21, 2009 20102015

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Willeo Creek at GA 120 near Roswell 2000s: 1 1 2010s: 0 2000s2010s
  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, Willeo Creek at GA 120 near Roswell
1Sep 21, 200914.70+2.70Minor6,200
2Oct 12, 200910.35−1.65Action1,900
3Apr 7, 20149.42−2.58Action1,450
4Jan 4, 20159.42−2.58Action1,450

Other gauges in Cobb County

Flood gauges in Cobb County
Stilesboro Road near Acworth13.023.90 ft, Sep 21, 20091
Mack Dobbs Road near Kennesaw11.014.27 ft, Sep 21, 20090
US 41 at Atlanta14.028.59 ft, Sep 22, 20095
US Highway 78 and 278 near Mableton10.019.85 ft, Sep 22, 20090
Chastain Meadows Parkway near Kennesaw11.011.94 ft, Sep 27, 20240
Hawkins Store Road near Blackwells11.017.31 ft, Sep 21, 20090
Shallowford River near Woodstock10.019.66 ft, Sep 21, 20091
Powder Springs Road near Powder Springs11.023.20 ft, Sep 22, 20091
Clay Road near Austell12.027.40 ft, Sep 22, 20091
Powder Springs11.019.82 ft, Sep 21, 20090
Interstate North Parkway near Smyrna14.014.67 ft, Sep 8, 20210
GA 120 near Marietta11.013.26 ft, Sep 21, 20090
Lower Roswell Road near Marietta12.021.10 ft, Mar 30, 19776
Brownsville Road near Powder Springs13.031.45 ft, Sep 21, 20091
Northwest Austell19.037.04 ft, Sep 22, 20091

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

NOAA National Water Prediction Service, gauge WLOG1, 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.