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Hydrograph River at a Glance Download
Chattahoochee River at Helen Stage (ft)Flow (kcfs)Observed: 1.16 ft at 2:45AM Jan 22, 2020Observed: 1.16 ft at 3:00AM Jan 22, 2020Observed: 1.17 ft at 3:15AM Jan 22, 2020Observed: 1.16 ft at 3:30AM Jan 22, 2020Observed: 1.17 ft at 3:45AM Jan 22, 2020Observed: 1.17 ft at 4:00AM Jan 22, 2020Observed: 1.17 ft at 4:15AM Jan 22, 2020Observed: 1.16 ft at 4:30AM Jan 22, 2020Observed: 1.17 ft at 4:45AM Jan 22, 2020Observed: 1.17 ft at 5:00AM Jan 22, 2020Observed: 1.16 ft at 5:15AM Jan 22, 2020Observed: 1.18 ft at 5:30AM Jan 22, 2020Observed: 1.16 ft at 5:45AM Jan 22, 2020Observed: 1.16 ft at 6:00AM Jan 22, 2020Observed: 1.16 ft at 6:15AM Jan 22, 2020Observed: 1.16 ft at 6:30AM Jan 22, 2020Observed: 1.15 ft at 6:45AM Jan 22, 2020Observed: 1.16 ft at 7:00AM Jan 22, 2020Observed: 1.17 ft at 7:15AM Jan 22, 2020Observed: 1.17 ft at 7:30AM Jan 22, 2020Observed: 1.16 ft at 7:45AM Jan 22, 2020Observed: 1.16 ft at 8:00AM Jan 22, 2020Observed: 1.14 ft at 9:15AM Jan 22, 2020Observed: 1.16 ft at 9:30AM Jan 22, 2020Observed: 1.15 ft at 9:45AM Jan 22, 2020Observed: 1.13 ft at 10:00AM Jan 22, 2020Observed: 1.15 ft at 10:15AM Jan 22, 2020Observed: 1.16 ft at 10:30AM Jan 22, 2020Observed: 1.16 ft at 10:45AM Jan 22, 2020Observed: 1.16 ft at 11:00AM Jan 22, 2020Observed: 1.16 ft at 11:15AM Jan 22, 2020Observed: 1.16 ft at 11:30AM Jan 22, 2020Observed: 1.16 ft at 11:45AM Jan 22, 2020Observed: 1.16 ft at 12:00PM Jan 22, 2020Observed: 1.16 ft at 12:15PM Jan 22, 2020Observed: 1.16 ft at 12:30PM Jan 22, 2020Observed: 1.14 ft at 12:45PM Jan 22, 2020Observed: 1.15 ft at 1:00PM Jan 22, 2020Observed: 1.16 ft at 1:15PM Jan 22, 2020Observed: 1.15 ft at 1:30PM Jan 22, 2020Observed: 1.15 ft at 1:45PM Jan 22, 2020Observed: 1.15 ft at 2:00PM Jan 22, 2020Observed: 1.14 ft at 2:15PM Jan 22, 2020Observed: 1.15 ft at 2:30PM Jan 22, 2020Observed: 1.15 ft at 2:45PM Jan 22, 2020Observed: 1.15 ft at 3:00PM Jan 22, 2020Observed: 1.14 ft at 3:15PM Jan 22, 2020Observed: 1.15 ft at 3:30PM Jan 22, 2020Observed: 1.16 ft at 3:45PM Jan 22, 2020Observed: 1.15 ft at 4:00PM Jan 22, 2020Observed: 1.16 ft at 4:15PM Jan 22, 2020Observed: 1.15 ft at 4:30PM Jan 22, 2020Observed: 1.14 ft at 4:45PM Jan 22, 2020Observed: 1.15 ft at 5:00PM Jan 22, 2020Observed: 1.15 ft at 5:15PM Jan 22, 2020Observed: 1.15 ft at 5:30PM Jan 22, 2020Observed: 1.15 ft at 5:45PM Jan 22, 2020Observed: 1.16 ft at 6:00PM Jan 22, 2020Observed: 1.14 ft at 6:15PM Jan 22, 2020Observed: 1.15 ft at 6:30PM Jan 22, 2020Observed: 1.13 ft at 6:45PM Jan 22, 2020Observed: 1.14 ft at 7:00PM Jan 22, 2020Observed: 1.16 ft at 7:15PM Jan 22, 2020Observed: 1.15 ft at 7:30PM Jan 22, 2020Observed: 1.14 ft at 7:45PM Jan 22, 2020Observed: 1.16 ft at 8:00PM Jan 22, 2020Observed: 1.16 ft at 8:15PM Jan 22, 2020Observed: 1.15 ft at 8:30PM Jan 22, 2020Observed: 1.13 ft at 8:45PM Jan 22, 2020Observed: 1.14 ft at 9:00PM Jan 22, 2020Observed: 1.15 ft at 9:15PM Jan 22, 2020Observed: 1.16 ft at 9:30PM Jan 22, 2020Observed: 1.14 ft at 9:45PM Jan 22, 2020Observed: 1.16 ft at 10:00PM Jan 22, 2020Observed: 1.16 ft at 10:15PM Jan 22, 2020Observed: 1.15 ft at 10:30PM Jan 22, 2020Observed: 1.15 ft at 10:45PM Jan 22, 2020Observed: 1.13 ft at 11:00PM Jan 22, 2020Observed: 1.14 ft at 11:15PM Jan 22, 2020Observed: 1.15 ft at 11:30PM Jan 22, 2020Observed: 1.14 ft at 11:45PM Jan 22, 2020Observed: 1.14 ft at 12:00AM Jan 23, 2020Observed: 1.14 ft at 12:15AM Jan 23, 2020Observed: 1.14 ft at 12:30AM Jan 23, 2020Observed: 1.13 ft at 12:45AM Jan 23, 2020Observed: 1.14 ft at 1:00AM Jan 23, 2020Observed: 1.14 ft at 1:15AM Jan 23, 2020Observed: 1.13 ft at 1:30AM Jan 23, 2020Observed: 1.14 ft at 1:45AM Jan 23, 2020Observed: 1.13 ft at 2:00AM Jan 23, 2020Observed: 1.14 ft at 2:15AM Jan 23, 2020Observed: 1.14 ft at 2:30AM Jan 23, 2020Observed: 1.14 ft at 2:45AM Jan 23, 2020Observed: 1.14 ft at 3:00AM Jan 23, 2020Observed: 1.16 ft at 3:15AM Jan 23, 2020Observed: 1.14 ft at 3:30AM Jan 23, 2020Observed: 1.12 ft at 3:45AM Jan 23, 2020Observed: 1.13 ft at 4:00AM Jan 23, 2020Observed: 1.13 ft at 4:15AM Jan 23, 2020Observed: 1.14 ft at 4:30AM Jan 23, 2020Observed: 1.14 ft at 4:45AM Jan 23, 2020Observed: 1.14 ft at 5:00AM Jan 23, 2020Observed: 1.14 ft at 5:15AM Jan 23, 2020Observed: 1.14 ft at 5:30AM Jan 23, 2020Observed: 1.14 ft at 5:45AM Jan 23, 2020Observed: 1.14 ft at 6:00AM Jan 23, 2020Observed: 1.13 ft at 6:15AM Jan 23, 2020Observed: 1.13 ft at 6:30AM Jan 23, 2020Observed: 1.13 ft at 6:45AM Jan 23, 2020Observed: 1.13 ft at 7:00AM Jan 23, 2020Observed: 1.15 ft at 7:15AM Jan 23, 2020Observed: 1.13 ft at 7:30AM Jan 23, 2020Observed: 1.13 ft at 7:45AM Jan 23, 2020Observed: 1.13 ft at 8:00AM Jan 23, 2020Observed: 1.14 ft at 8:15AM Jan 23, 2020Observed: 1.13 ft at 8:30AM Jan 23, 2020Observed: 1.13 ft at 8:45AM Jan 23, 2020Observed: 1.14 ft at 9:00AM Jan 23, 2020Observed: 1.14 ft at 9:15AM Jan 23, 2020Observed: 1.12 ft at 9:30AM Jan 23, 2020Observed: 1.14 ft at 9:45AM Jan 23, 2020Observed: 1.13 ft at 10:00AM Jan 23, 2020Observed: 1.13 ft at 10:15AM Jan 23, 2020Observed: 1.14 ft at 10:30AM Jan 23, 2020Observed: 1.14 ft at 10:45AM Jan 23, 2020Observed: 1.14 ft at 11:00AM Jan 23, 2020Observed: 1.13 ft at 11:15AM Jan 23, 2020Observed: 1.13 ft at 11:30AM Jan 23, 2020Observed: 1.13 ft at 11:45AM Jan 23, 2020Observed: 1.13 ft at 12:00PM Jan 23, 2020Observed: 1.14 ft at 12:15PM Jan 23, 2020Observed: 1.12 ft at 12:30PM Jan 23, 2020Observed: 1.14 ft at 12:45PM Jan 23, 2020Observed: 1.13 ft at 1:00PM Jan 23, 2020Observed: 1.12 ft at 1:15PM Jan 23, 2020Observed: 1.14 ft at 1:30PM Jan 23, 2020Observed: 1.13 ft at 1:45PM Jan 23, 2020Observed: 1.13 ft at 2:00PM Jan 23, 2020Observed: 1.14 ft at 2:15PM Jan 23, 2020Observed: 1.14 ft at 2:30PM Jan 23, 2020Observed: 1.13 ft at 2:45PM Jan 23, 2020Observed: 1.13 ft at 3:00PM Jan 23, 2020Observed: 1.13 ft at 3:15PM Jan 23, 2020Observed: 1.11 ft at 3:30PM Jan 23, 2020Observed: 1.13 ft at 3:45PM Jan 23, 2020Observed: 1.12 ft at 4:00PM Jan 23, 2020Observed: 1.13 ft at 4:15PM Jan 23, 2020Observed: 1.12 ft at 4:30PM Jan 23, 2020Observed: 1.1 ft at 4:45PM Jan 23, 2020Observed: 1.12 ft at 5:00PM Jan 23, 2020Observed: 1.13 ft at 5:15PM Jan 23, 2020Observed: 1.14 ft at 5:30PM Jan 23, 2020Observed: 1.13 ft at 5:45PM Jan 23, 2020Observed: 1.12 ft at 6:00PM Jan 23, 2020Observed: 1.14 ft at 6:15PM Jan 23, 2020Observed: 1.12 ft at 6:30PM Jan 23, 2020Observed: 1.14 ft at 6:45PM Jan 23, 2020Observed: 1.12 ft at 7:00PM Jan 23, 2020Observed: 1.14 ft at 7:15PM Jan 23, 2020Observed: 1.13 ft at 7:30PM Jan 23, 2020Observed: 1.14 ft at 7:45PM Jan 23, 2020Observed: 1.15 ft at 8:00PM Jan 23, 2020Observed: 1.15 ft at 8:15PM Jan 23, 2020Observed: 1.15 ft at 8:30PM Jan 23, 2020Observed: 1.14 ft at 8:45PM Jan 23, 2020Observed: 1.14 ft at 9:00PM Jan 23, 2020Observed: 1.15 ft at 9:15PM Jan 23, 2020Observed: 1.15 ft at 9:30PM Jan 23, 2020Observed: 1.16 ft at 9:45PM Jan 23, 2020Observed: 1.17 ft at 10:00PM Jan 23, 2020Observed: 1.17 ft at 10:15PM Jan 23, 2020Observed: 1.17 ft at 10:30PM Jan 23, 2020Observed: 1.17 ft at 10:45PM Jan 23, 2020Observed: 1.2 ft at 11:00PM Jan 23, 2020Observed: 1.2 ft at 11:15PM Jan 23, 2020Observed: 1.2 ft at 11:30PM Jan 23, 2020Observed: 1.23 ft at 11:45PM Jan 23, 2020Observed: 1.23 ft at 12:00AM Jan 24, 2020Observed: 1.23 ft at 12:15AM Jan 24, 2020Observed: 1.26 ft at 12:30AM Jan 24, 2020Observed: 1.27 ft at 12:45AM Jan 24, 2020Observed: 1.31 ft at 1:00AM Jan 24, 2020Observed: 1.33 ft at 1:15AM Jan 24, 2020Observed: 1.35 ft at 1:30AM Jan 24, 2020Observed: 1.37 ft at 1:45AM Jan 24, 2020Observed: 1.39 ft at 2:00AM Jan 24, 2020Observed: 1.44 ft at 2:15AM Jan 24, 2020Observed: 1.44 ft at 2:30AM Jan 24, 2020Observed: 1.48 ft at 2:45AM Jan 24, 2020Observed: 1.51 ft at 3:00AM Jan 24, 2020Observed: 1.55 ft at 3:15AM Jan 24, 2020Observed: 1.58 ft at 3:30AM Jan 24, 2020Observed: 1.59 ft at 3:45AM Jan 24, 2020Observed: 1.62 ft at 4:00AM Jan 24, 2020Observed: 1.65 ft at 4:15AM Jan 24, 2020Observed: 1.69 ft at 4:30AM Jan 24, 2020Observed: 1.71 ft at 4:45AM Jan 24, 2020Observed: 1.75 ft at 5:00AM Jan 24, 2020Observed: 1.77 ft at 5:15AM Jan 24, 2020Observed: 1.79 ft at 5:30AM Jan 24, 2020Observed: 1.81 ft at 5:45AM Jan 24, 2020Observed: 1.83 ft at 6:00AM Jan 24, 2020Observed: 1.84 ft at 6:15AM Jan 24, 2020Observed: 1.88 ft at 6:30AM Jan 24, 2020Observed: 1.89 ft at 6:45AM Jan 24, 2020Observed: 1.91 ft at 7:00AM Jan 24, 2020Observed: 1.93 ft at 7:15AM Jan 24, 2020Observed: 1.98 ft at 7:30AM Jan 24, 2020Observed: 2.05 ft at 7:45AM Jan 24, 2020Observed: 2.1 ft at 8:00AM Jan 24, 2020Observed: 2.19 ft at 8:15AM Jan 24, 2020Observed: 2.24 ft at 8:30AM Jan 24, 2020Observed: 2.31 ft at 8:45AM Jan 24, 2020Observed: 2.37 ft at 9:00AM Jan 24, 2020Observed: 2.46 ft at 9:15AM Jan 24, 2020Observed: 2.49 ft at 9:30AM Jan 24, 2020Observed: 2.53 ft at 9:45AM Jan 24, 2020Observed: 2.54 ft at 10:00AM Jan 24, 2020Observed: 2.54 ft at 10:15AM Jan 24, 2020Observed: 2.53 ft at 10:30AM Jan 24, 2020Observed: 2.54 ft at 10:45AM Jan 24, 2020Highest Observation: 2.55 ft at 11:00AM Jan 24, 2020Observed: 2.5 ft at 11:15AM Jan 24, 2020Observed: 2.5 ft at 11:30AM Jan 24, 2020Observed: 2.47 ft at 11:45AM Jan 24, 2020Observed: 2.49 ft at 12:00PM Jan 24, 2020Observed: 2.45 ft at 12:15PM Jan 24, 2020Observed: 2.45 ft at 12:30PM Jan 24, 2020Observed: 2.45 ft at 12:45PM Jan 24, 2020Observed: 2.42 ft at 1:00PM Jan 24, 2020Observed: 2.41 ft at 1:15PM Jan 24, 2020Observed: 2.4 ft at 1:30PM Jan 24, 2020Observed: 2.37 ft at 1:45PM Jan 24, 2020Observed: 2.35 ft at 2:00PM Jan 24, 2020Observed: 2.32 ft at 2:15PM Jan 24, 2020Observed: 2.32 ft at 2:30PM Jan 24, 2020Observed: 2.3 ft at 2:45PM Jan 24, 2020Observed: 2.29 ft at 3:00PM Jan 24, 2020Observed: 2.26 ft at 3:15PM Jan 24, 2020Observed: 2.22 ft at 3:30PM Jan 24, 2020Observed: 2.23 ft at 3:45PM Jan 24, 2020Observed: 2.22 ft at 4:00PM Jan 24, 2020Observed: 2.19 ft at 4:15PM Jan 24, 2020Observed: 2.17 ft at 4:30PM Jan 24, 2020Observed: 2.18 ft at 4:45PM Jan 24, 2020Observed: 2.13 ft at 5:00PM Jan 24, 2020Observed: 2.13 ft at 5:15PM Jan 24, 2020Observed: 2.12 ft at 5:30PM Jan 24, 2020Observed: 2.12 ft at 5:45PM Jan 24, 2020Observed: 2.08 ft at 6:00PM Jan 24, 2020Observed: 2.09 ft at 6:15PM Jan 24, 2020Observed: 2.06 ft at 6:30PM Jan 24, 2020Observed: 2.09 ft at 6:45PM Jan 24, 2020Observed: 2.05 ft at 7:00PM Jan 24, 2020Observed: 2.04 ft at 7:15PM Jan 24, 2020Observed: 2.02 ft at 7:30PM Jan 24, 2020Observed: 2.02 ft at 7:45PM Jan 24, 2020Observed: 2 ft at 8:00PM Jan 24, 2020Observed: 1.99 ft at 8:15PM Jan 24, 2020Observed: 2 ft at 8:30PM Jan 24, 2020Observed: 1.99 ft at 8:45PM Jan 24, 2020Observed: 1.98 ft at 9:00PM Jan 24, 2020Observed: 1.98 ft at 9:15PM Jan 24, 2020Observed: 1.96 ft at 9:30PM Jan 24, 2020Observed: 1.95 ft at 9:45PM Jan 24, 2020Observed: 1.94 ft at 10:00PM Jan 24, 2020Observed: 1.95 ft at 10:15PM Jan 24, 2020Observed: 1.93 ft at 10:30PM Jan 24, 2020Observed: 1.91 ft at 10:45PM Jan 24, 2020Observed: 1.91 ft at 11:00PM Jan 24, 2020Observed: 1.92 ft at 11:15PM Jan 24, 2020Observed: 1.91 ft at 11:30PM Jan 24, 2020Observed: 1.89 ft at 11:45PM Jan 24, 2020Observed: 1.89 ft at 12:00AM Jan 25, 2020Observed: 1.87 ft at 12:15AM Jan 25, 2020Observed: 1.86 ft at 12:30AM Jan 25, 2020Observed: 1.86 ft at 12:45AM Jan 25, 2020Observed: 1.86 ft at 1:00AM Jan 25, 2020Observed: 1.86 ft at 1:15AM Jan 25, 2020Observed: 1.85 ft at 1:30AM Jan 25, 2020Observed: 1.86 ft at 1:45AM Jan 25, 2020Observed: 1.84 ft at 2:00AM Jan 25, 2020USGS--Water Resources of the United StatesHDCG1(plotting HGIRG) Graph Created (2:33AM Jan 25, 2020)ObservedLatest observed value: 1.84 ft at 2:00 AM EST 25-Jan-2020. Flood Stage is 6 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Automated gauge readings are now available, courtesy of the USGS.

NOTE: The above river forecast includes future rainfall. Forecast stages may be different if the rainfall does not occur.

NOTE: Forecasts for the Chattahoochee River at Helen are issued as needed during times of high water, but are not routinely available.

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Downstream Gauge Downstream Gauge - near Cornelia
Flood Categories (in feet)
Major Flood Stage: 11
Moderate Flood Stage: 8
Flood Stage: 6
Action Stage: 4
Low Stage (in feet): 0

Historic Crests
(1) 12.00 ft on 08/23/1967
(2) 11.00 ft on 04/16/1946
(3) 10.00 ft on 03/11/1952
(4) 10.00 ft on 03/12/1963
(5) 7.30 ft on 05/28/1973
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.44 ft on 05/30/2018
(2) 6.01 ft on 08/26/2008
(3) 6.75 ft on 09/17/2004
(4) 5.90 ft on 03/17/1996
(5) 5.94 ft on 03/17/1990
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.08 ft on 10/15/2007
(2) 0.09 ft on 10/02/2007
(3) 0.12 ft on 09/09/2007
Show More Low Water Records

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
13 Record flooding never seen before will affect Helen. A catastrophic and massive flood event will continue to affect numerous homes...businesses...motels and roads in Helen. The flood waters will be 3 to 5 feet deep in many structures and cause widespread inundation of the infrastructure. The Hamby Street...Edelweiss Strasse and Brucken Strasse bridges will be under 1 to 2 feet of water. Transportation in and out of Helen will be almost impossible due to road closures.
12 Near record flooding occurs. A catastrophic and massive flood event will affect numerous homes...businesses...motels and roads in Helen. The flood waters will be 2 to 4 feet deep in many structures and cause widespread inundation of the infrastructure. The Hamby Street...Edelweiss Strasse and Brucken Strasse bridges will be under water. Transportation in and out of Helen will be extremely difficult due to road closures.
11 Major flooding begins in the Helen area with numerous homes...businesses...motels and roads affected. The water will be around two feet deep in the restaurant at Castle Inn and over portions of Edelweiss Strasse. The Helendorf River Inn will be flooded with 3 feet of water. The Hamby Street...Edelweiss Strasse and Brucken Strasse bridges form obstacles and act like dams causing some backwater and erosion eddies to the sides of the bridges. County officials will have them closed.
10 Significant flooding expands in Helen. The water will be around one foot deep in the restaurant building at Castle Inn and over portions of Edelweiss Strasse. The Helendorf River Inn will be flooded with two feet of water. The Hamby Street...Edelweiss Strasse and Brucken Strasse bridges begin to form obstacles and act like dams causing some backwater and erosion eddies to the sides of the bridges. County officials will likely have them closed. Several homes near the river will begin to flood.
9 Significant flooding continues upstream and downstream from the gage on Main Street. The water level reaches the floor of the restaurant building at Castle Inn and will be around one foot deep in the Helendorf River Inn and over the concrete foundation of the condominiums on Edelweiss Strasse. The landing area adjacent to the Tubing Company off of Edelweiss Strasse will be under 3 feet of water. The water level will reach the bottom of the first Brucken Strasse bridge downstream from the gage.
8 Moderate flooding begins upstream and downstream from the gage on Main Street. The water level will be around two feet deep on the concrete patio of the restaurant at Castle Inn and the parking lot behind it. The water level reaches the bottom of the Edelweiss Strasse bridge...the floors of the Helendorf River Inn...and the concrete foundation of the condominiums on Edelweiss Strasse. The landing area adjacent to the Tubing Company off of Edelweiss Strasse will be under two feet of water.
7 Minor flooding continues in the yards of some homes on the left bank downstream from the gage on Main Street. The water level will be around one foot deep on the concrete patio of the restaurant at Castle Inn and the parking lot behind it. Portions of the sidewalk under the bridge and the parking lot behind a Tubing Company off of Poplar Stump Road upstream from the gage will be under 3 feet of water. The landing area adjacent to the Tubing Company off of Edelweiss Strasse will be under one foot of water.
6 Flood stage is reached. Minor flooding will occur of yards of some homes on the left bank downstream from the gage on Main Street. The water level will reach the concrete patio of the restaurant at Castle Inn and the parking lot behind it. Portions of the sidewalk under the bridge and the parking lot behind a Tubing Company off of Poplar Stump Road upstream from the gage will be under one to two feet of water. The landing area adjacent to the Tubing Company off of Edelweiss Strasse will begin to flood.
5 Bankfull conditions expand along the river upstream and downstream from the gage on Main Street. The water level will be around one foot deep on a portion of the sidewalk under the bridge in front of the concrete patio of the restaurant at Castle Inn. A portion of the rock parking lot behind a Tubing Company off of Poplar Stump Road upstream from the gage will be under one foot of water.
4 Bankfull conditions are reached in low lying areas of the river upstream and downstream from the gage on Main Street. The water level will reach the sidewalk under the bridge in front of the concrete patio of the restaurant at Castle Inn on the left bank adjacent to the gage. The rock parking lot behind a Tubing Company off of Poplar Stump Road upstream from the gage will begin to flood.
About This Location Collapse

Latitude: 34.700833° N, Longitude: 83.729444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 6 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 1404 ft 1410 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 1404 ft 1410 ft 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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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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