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Hydrograph River at a Glance Download
Chattahoochee River near West Suwanee Stage (ft)Observed: 9.86 ft at 9:00PM May 17, 2022Observed: 10.31 ft at 9:15PM May 17, 2022Observed: 10.82 ft at 9:30PM May 17, 2022Observed: 11.14 ft at 9:45PM May 17, 2022Observed: 10.84 ft at 10:00PM May 17, 2022Observed: 10.47 ft at 10:15PM May 17, 2022Observed: 10.1 ft at 10:30PM May 17, 2022Observed: 9.69 ft at 10:45PM May 17, 2022Observed: 9.3 ft at 11:00PM May 17, 2022Observed: 8.89 ft at 11:15PM May 17, 2022Observed: 8.49 ft at 11:30PM May 17, 2022Observed: 8.1 ft at 11:45PM May 17, 2022Observed: 7.71 ft at 12:00AM May 18, 2022Observed: 7.33 ft at 12:15AM May 18, 2022Observed: 6.97 ft at 12:30AM May 18, 2022Observed: 6.6 ft at 12:45AM May 18, 2022Observed: 6.25 ft at 1:00AM May 18, 2022Observed: 5.91 ft at 1:15AM May 18, 2022Observed: 5.57 ft at 1:30AM May 18, 2022Observed: 5.26 ft at 1:45AM May 18, 2022Observed: 4.96 ft at 2:00AM May 18, 2022Observed: 4.66 ft at 2:15AM May 18, 2022Observed: 4.39 ft at 2:30AM May 18, 2022Observed: 4.13 ft at 2:45AM May 18, 2022Observed: 3.89 ft at 3:00AM May 18, 2022Observed: 3.65 ft at 3:15AM May 18, 2022Observed: 3.44 ft at 3:30AM May 18, 2022Observed: 3.24 ft at 3:45AM May 18, 2022Observed: 3.05 ft at 4:00AM May 18, 2022Observed: 2.87 ft at 4:15AM May 18, 2022Observed: 2.71 ft at 4:30AM May 18, 2022Observed: 2.56 ft at 4:45AM May 18, 2022Observed: 2.43 ft at 5:00AM May 18, 2022Observed: 2.31 ft at 5:15AM May 18, 2022Observed: 2.2 ft at 5:30AM May 18, 2022Observed: 2.11 ft at 5:45AM May 18, 2022Observed: 2.03 ft at 6:00AM May 18, 2022Observed: 1.96 ft at 6:15AM May 18, 2022Observed: 1.91 ft at 6:30AM May 18, 2022Observed: 1.87 ft at 6:45AM May 18, 2022Observed: 1.83 ft at 7:00AM May 18, 2022Observed: 1.81 ft at 7:15AM May 18, 2022Observed: 1.79 ft at 7:30AM May 18, 2022Observed: 1.78 ft at 7:45AM May 18, 2022Observed: 1.77 ft at 8:00AM May 18, 2022Observed: 1.76 ft at 8:15AM May 18, 2022Observed: 1.76 ft at 8:30AM May 18, 2022Observed: 1.75 ft at 8:45AM May 18, 2022Observed: 1.75 ft at 9:00AM May 18, 2022Observed: 1.75 ft at 9:15AM May 18, 2022Observed: 1.75 ft at 9:30AM May 18, 2022Observed: 1.74 ft at 9:45AM May 18, 2022Observed: 1.74 ft at 10:00AM May 18, 2022Observed: 1.74 ft at 10:15AM May 18, 2022Observed: 1.74 ft at 10:30AM May 18, 2022Observed: 1.74 ft at 10:45AM May 18, 2022Observed: 1.74 ft at 11:00AM May 18, 2022Observed: 1.74 ft at 11:15AM May 18, 2022Observed: 1.74 ft at 11:30AM May 18, 2022Observed: 1.74 ft at 11:45AM May 18, 2022Observed: 1.74 ft at 12:00PM May 18, 2022Observed: 1.74 ft at 12:15PM May 18, 2022Observed: 1.74 ft at 12:30PM May 18, 2022Observed: 1.74 ft at 12:45PM May 18, 2022Observed: 1.74 ft at 1:00PM May 18, 2022Observed: 1.74 ft at 1:15PM May 18, 2022Observed: 1.74 ft at 1:30PM May 18, 2022Observed: 1.74 ft at 1:45PM May 18, 2022Observed: 1.74 ft at 2:00PM May 18, 2022Observed: 1.74 ft at 2:15PM May 18, 2022Observed: 1.74 ft at 2:30PM May 18, 2022Observed: 1.74 ft at 2:45PM May 18, 2022Observed: 1.74 ft at 3:00PM May 18, 2022Observed: 1.74 ft at 3:15PM May 18, 2022Observed: 1.74 ft at 3:30PM May 18, 2022Observed: 1.74 ft at 3:45PM May 18, 2022Observed: 1.74 ft at 4:00PM May 18, 2022Observed: 1.74 ft at 4:15PM May 18, 2022Observed: 1.74 ft at 4:30PM May 18, 2022Observed: 1.74 ft at 4:45PM May 18, 2022Observed: 1.73 ft at 5:00PM May 18, 2022Observed: 1.74 ft at 5:15PM May 18, 2022Observed: 1.74 ft at 5:30PM May 18, 2022Observed: 1.74 ft at 5:45PM May 18, 2022Observed: 1.83 ft at 6:00PM May 18, 2022Observed: 2.36 ft at 6:15PM May 18, 2022Observed: 3.24 ft at 6:30PM May 18, 2022Observed: 4.02 ft at 6:45PM May 18, 2022Observed: 4.81 ft at 7:00PM May 18, 2022Observed: 5.59 ft at 7:15PM May 18, 2022Observed: 6.44 ft at 7:30PM May 18, 2022Observed: 7.26 ft at 7:45PM May 18, 2022Observed: 8.08 ft at 8:00PM May 18, 2022Observed: 8.86 ft at 8:15PM May 18, 2022Observed: 9.63 ft at 8:30PM May 18, 2022Observed: 10.38 ft at 8:45PM May 18, 2022Observed: 11.1 ft at 9:00PM May 18, 2022Observed: 11.79 ft at 9:15PM May 18, 2022Observed: 12.23 ft at 9:30PM May 18, 2022Observed: 12.52 ft at 9:45PM May 18, 2022Observed: 12.65 ft at 10:00PM May 18, 2022Observed: 12.59 ft at 10:15PM May 18, 2022Observed: 12.37 ft at 10:30PM May 18, 2022Observed: 12.07 ft at 10:45PM May 18, 2022Observed: 11.72 ft at 11:00PM May 18, 2022Observed: 11.32 ft at 11:15PM May 18, 2022Observed: 10.93 ft at 11:30PM May 18, 2022Observed: 10.5 ft at 11:45PM May 18, 2022Observed: 10.07 ft at 12:00AM May 19, 2022Observed: 9.66 ft at 12:15AM May 19, 2022Observed: 9.23 ft at 12:30AM May 19, 2022Observed: 8.82 ft at 12:45AM May 19, 2022Observed: 8.41 ft at 1:00AM May 19, 2022Observed: 8.02 ft at 1:15AM May 19, 2022Observed: 7.63 ft at 1:30AM May 19, 2022Observed: 7.25 ft at 1:45AM May 19, 2022Observed: 6.88 ft at 2:00AM May 19, 2022Observed: 6.52 ft at 2:15AM May 19, 2022Observed: 6.17 ft at 2:30AM May 19, 2022Observed: 5.83 ft at 2:45AM May 19, 2022Observed: 5.5 ft at 3:00AM May 19, 2022Observed: 5.18 ft at 3:15AM May 19, 2022Observed: 4.88 ft at 3:30AM May 19, 2022Observed: 4.59 ft at 3:45AM May 19, 2022Observed: 4.32 ft at 4:00AM May 19, 2022Observed: 4.06 ft at 4:15AM May 19, 2022Observed: 3.82 ft at 4:30AM May 19, 2022Observed: 3.6 ft at 4:45AM May 19, 2022Observed: 3.38 ft at 5:00AM May 19, 2022Observed: 3.18 ft at 5:15AM May 19, 2022Observed: 3 ft at 5:30AM May 19, 2022Observed: 2.83 ft at 5:45AM May 19, 2022Observed: 2.67 ft at 6:00AM May 19, 2022Observed: 2.53 ft at 6:15AM May 19, 2022Observed: 2.4 ft at 6:30AM May 19, 2022Observed: 2.28 ft at 6:45AM May 19, 2022Observed: 2.18 ft at 7:00AM May 19, 2022Observed: 2.09 ft at 7:15AM May 19, 2022Observed: 2.02 ft at 7:30AM May 19, 2022Observed: 1.95 ft at 7:45AM May 19, 2022Observed: 1.9 ft at 8:00AM May 19, 2022Observed: 1.86 ft at 8:15AM May 19, 2022Observed: 1.83 ft at 8:30AM May 19, 2022Observed: 1.81 ft at 8:45AM May 19, 2022Observed: 1.79 ft at 9:00AM May 19, 2022Observed: 1.78 ft at 9:15AM May 19, 2022Observed: 1.77 ft at 9:30AM May 19, 2022Observed: 1.76 ft at 9:45AM May 19, 2022Observed: 1.76 ft at 10:00AM May 19, 2022Observed: 1.76 ft at 10:15AM May 19, 2022Observed: 1.75 ft at 10:30AM May 19, 2022Observed: 1.76 ft at 10:45AM May 19, 2022Observed: 1.75 ft at 11:00AM May 19, 2022Observed: 1.75 ft at 11:15AM May 19, 2022Observed: 1.75 ft at 11:30AM May 19, 2022Observed: 1.75 ft at 11:45AM May 19, 2022Observed: 1.75 ft at 12:00PM May 19, 2022Observed: 1.75 ft at 12:15PM May 19, 2022Observed: 1.75 ft at 12:30PM May 19, 2022Observed: 1.75 ft at 12:45PM May 19, 2022Observed: 1.74 ft at 1:00PM May 19, 2022Observed: 1.75 ft at 1:15PM May 19, 2022Observed: 1.74 ft at 1:30PM May 19, 2022Observed: 1.75 ft at 1:45PM May 19, 2022Observed: 1.74 ft at 2:00PM May 19, 2022Observed: 1.75 ft at 2:15PM May 19, 2022Observed: 1.74 ft at 2:30PM May 19, 2022Observed: 1.74 ft at 2:45PM May 19, 2022Observed: 1.74 ft at 3:00PM May 19, 2022Observed: 1.74 ft at 3:15PM May 19, 2022Observed: 1.74 ft at 3:30PM May 19, 2022Observed: 1.74 ft at 3:45PM May 19, 2022Observed: 1.74 ft at 4:00PM May 19, 2022Observed: 1.74 ft at 4:15PM May 19, 2022Observed: 1.74 ft at 4:30PM May 19, 2022Observed: 1.74 ft at 4:45PM May 19, 2022Observed: 1.74 ft at 5:00PM May 19, 2022Observed: 1.74 ft at 5:15PM May 19, 2022Observed: 1.74 ft at 5:30PM May 19, 2022Observed: 1.94 ft at 5:45PM May 19, 2022Observed: 2.94 ft at 6:00PM May 19, 2022Observed: 4.17 ft at 6:15PM May 19, 2022Observed: 5.22 ft at 6:30PM May 19, 2022Observed: 6.15 ft at 6:45PM May 19, 2022Observed: 7.02 ft at 7:00PM May 19, 2022Observed: 7.8 ft at 7:15PM May 19, 2022Observed: 8.58 ft at 7:30PM May 19, 2022Observed: 9.29 ft at 7:45PM May 19, 2022Observed: 10.02 ft at 8:00PM May 19, 2022Observed: 10.69 ft at 8:15PM May 19, 2022Observed: 11.36 ft at 8:30PM May 19, 2022Observed: 11.96 ft at 8:45PM May 19, 2022Observed: 12.61 ft at 9:00PM May 19, 2022Highest Observation: 12.74 ft at 9:15PM May 19, 2022Observed: 12.52 ft at 9:30PM May 19, 2022Observed: 12.23 ft at 9:45PM May 19, 2022Observed: 11.86 ft at 10:00PM May 19, 2022Observed: 11.46 ft at 10:15PM May 19, 2022Observed: 11.05 ft at 10:30PM May 19, 2022Observed: 10.62 ft at 10:45PM May 19, 2022Observed: 10.19 ft at 11:00PM May 19, 2022Observed: 9.79 ft at 11:15PM May 19, 2022Observed: 9.41 ft at 11:30PM May 19, 2022Observed: 9.15 ft at 11:45PM May 19, 2022Observed: 8.92 ft at 12:00AM May 20, 2022Observed: 8.72 ft at 12:15AM May 20, 2022Observed: 8.51 ft at 12:30AM May 20, 2022Observed: 8.28 ft at 12:45AM May 20, 2022Observed: 8.01 ft at 1:00AM May 20, 2022Observed: 7.72 ft at 1:15AM May 20, 2022Observed: 7.43 ft at 1:30AM May 20, 2022Observed: 7.12 ft at 1:45AM May 20, 2022Observed: 6.8 ft at 2:00AM May 20, 2022Observed: 6.49 ft at 2:15AM May 20, 2022Observed: 6.17 ft at 2:30AM May 20, 2022Observed: 5.85 ft at 2:45AM May 20, 2022Observed: 5.55 ft at 3:00AM May 20, 2022Observed: 5.24 ft at 3:15AM May 20, 2022Observed: 4.95 ft at 3:30AM May 20, 2022Observed: 4.67 ft at 3:45AM May 20, 2022Observed: 4.4 ft at 4:00AM May 20, 2022Observed: 4.14 ft at 4:15AM May 20, 2022Observed: 3.9 ft at 4:30AM May 20, 2022Observed: 3.67 ft at 4:45AM May 20, 2022Observed: 3.46 ft at 5:00AM May 20, 2022Observed: 3.25 ft at 5:15AM May 20, 2022Observed: 3.07 ft at 5:30AM May 20, 2022Observed: 2.89 ft at 5:45AM May 20, 2022Observed: 2.72 ft at 6:00AM May 20, 2022Observed: 2.58 ft at 6:15AM May 20, 2022Observed: 2.44 ft at 6:30AM May 20, 2022Observed: 2.32 ft at 6:45AM May 20, 2022Observed: 2.21 ft at 7:00AM May 20, 2022Observed: 2.11 ft at 7:15AM May 20, 2022Observed: 2.03 ft at 7:30AM May 20, 2022Observed: 1.97 ft at 7:45AM May 20, 2022Observed: 2.03 ft at 8:00AM May 20, 2022Observed: 1.87 ft at 8:15AM May 20, 2022Observed: 1.83 ft at 8:30AM May 20, 2022Observed: 1.81 ft at 8:45AM May 20, 2022Observed: 1.79 ft at 9:00AM May 20, 2022Observed: 1.77 ft at 9:15AM May 20, 2022Observed: 1.76 ft at 9:30AM May 20, 2022Observed: 1.76 ft at 9:45AM May 20, 2022Observed: 1.75 ft at 10:00AM May 20, 2022Observed: 1.75 ft at 10:15AM May 20, 2022Observed: 1.74 ft at 10:30AM May 20, 2022Observed: 1.74 ft at 10:45AM May 20, 2022Observed: 1.74 ft at 11:00AM May 20, 2022Observed: 1.74 ft at 11:15AM May 20, 2022Observed: 1.74 ft at 11:30AM May 20, 2022Observed: 1.74 ft at 11:45AM May 20, 2022Observed: 1.74 ft at 12:00PM May 20, 2022Observed: 1.73 ft at 12:15PM May 20, 2022Observed: 1.73 ft at 12:30PM May 20, 2022Observed: 1.74 ft at 12:45PM May 20, 2022Observed: 1.74 ft at 1:00PM May 20, 2022Observed: 1.74 ft at 1:15PM May 20, 2022Observed: 1.74 ft at 1:30PM May 20, 2022Observed: 1.74 ft at 1:45PM May 20, 2022Observed: 1.74 ft at 2:00PM May 20, 2022Observed: 1.74 ft at 2:15PM May 20, 2022Observed: 1.74 ft at 2:30PM May 20, 2022Observed: 1.74 ft at 2:45PM May 20, 2022Observed: 1.73 ft at 3:00PM May 20, 2022Observed: 1.74 ft at 3:15PM May 20, 2022Observed: 1.73 ft at 3:30PM May 20, 2022Observed: 1.73 ft at 3:45PM May 20, 2022Observed: 1.73 ft at 4:00PM May 20, 2022Observed: 1.73 ft at 4:15PM May 20, 2022Observed: 1.73 ft at 4:30PM May 20, 2022Observed: 1.73 ft at 4:45PM May 20, 2022Observed: 1.73 ft at 5:00PM May 20, 2022Observed: 1.73 ft at 5:15PM May 20, 2022Observed: 1.73 ft at 5:30PM May 20, 2022Observed: 1.91 ft at 5:45PM May 20, 2022Observed: 2.91 ft at 6:00PM May 20, 2022Observed: 4.13 ft at 6:15PM May 20, 2022Observed: 5.19 ft at 6:30PM May 20, 2022Observed: 6.13 ft at 6:45PM May 20, 2022Observed: 6.97 ft at 7:00PM May 20, 2022Observed: 7.77 ft at 7:15PM May 20, 2022Observed: 8.55 ft at 7:30PM May 20, 2022Observed: 9.25 ft at 7:45PM May 20, 2022Observed: 10 ft at 8:00PM May 20, 2022Observed: 10.68 ft at 8:15PM May 20, 2022Observed: 11.34 ft at 8:30PM May 20, 2022USGS--Water Resources of the United StatesWSWG1(plotting HGIRG) Graph Created (8:49PM May 20, 2022)ObservedLatest observed value: 11.34 ft at 8:30 PM EDT 20-May-2022. Flood Stage is 22 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Automated gauge readings are now available, courtesy of the USGS.

NOTE: Flood stage level has recently changed.

NOTE: Forecasts are not available for the Chattahoochee River near West Suwanee. Only observed stages are available for this point.

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Upstream Gauge - near Buford Upstream Gauge Downstream Gauge Downstream Gauge - near Norcross
Flood Categories (in feet)
Major Flood Stage: 39
Moderate Flood Stage: 33
Flood Stage: 22
Action Stage: 20
Low Stage (in feet): -9999

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.66 ft on 09/27/2016

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
22 Flood stage is reached. Minor flooding begins along the river upstream and downstream from the gage at McGinnis Ferry Road. This will primarily affect the woodlands in the Chattahoochee River National Recreation Area and a boat ramp just upstream of the McGinnis Ferry Road bridge.
20 Bankfull conditions occur along the river upstream and downstream from the gage at McGinnis Ferry Road.
About This Location Collapse

Latitude: 34.056389° N, Longitude: 84.109167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 22 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 886.3 ft 908.3 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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Hydrologic Resources Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Peachtree City/Atlanta Weather Forecast Office
4 Falcon Drive
Peachtree City, GA 30269
(770) 486-1133
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