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Hydrograph River at a Glance Download
Toccoa River at Blue Ridge Dam Pool (ft)Highest Observation: 1682.53 ft at 7:00AM Sep 13, 2021Highest Observation: 1682.53 ft at 8:00AM Sep 13, 2021Observed: 1682.5 ft at 9:00AM Sep 13, 2021Observed: 1682.44 ft at 10:00AM Sep 13, 2021Observed: 1682.43 ft at 11:00AM Sep 13, 2021Observed: 1682.37 ft at 12:00PM Sep 13, 2021Observed: 1682.32 ft at 1:00PM Sep 13, 2021Observed: 1682.31 ft at 2:00PM Sep 13, 2021Observed: 1682.26 ft at 3:00PM Sep 13, 2021Observed: 1682.25 ft at 4:00PM Sep 13, 2021Observed: 1682.19 ft at 5:00PM Sep 13, 2021Observed: 1682.16 ft at 6:00PM Sep 13, 2021Observed: 1682.17 ft at 7:00PM Sep 13, 2021Observed: 1682.13 ft at 8:00PM Sep 13, 2021Observed: 1682.11 ft at 9:00PM Sep 13, 2021Observed: 1682.04 ft at 10:00PM Sep 13, 2021Observed: 1682.03 ft at 11:00PM Sep 13, 2021Observed: 1682 ft at 12:00AM Sep 14, 2021Observed: 1681.98 ft at 1:00AM Sep 14, 2021Observed: 1681.96 ft at 2:00AM Sep 14, 2021Observed: 1681.92 ft at 3:00AM Sep 14, 2021Observed: 1681.9 ft at 4:00AM Sep 14, 2021Observed: 1681.87 ft at 5:00AM Sep 14, 2021Observed: 1681.85 ft at 6:00AM Sep 14, 2021Observed: 1681.83 ft at 7:00AM Sep 14, 2021Observed: 1681.81 ft at 8:00AM Sep 14, 2021Observed: 1681.78 ft at 9:00AM Sep 14, 2021Observed: 1681.75 ft at 10:00AM Sep 14, 2021Observed: 1681.71 ft at 11:00AM Sep 14, 2021Observed: 1681.66 ft at 12:00PM Sep 14, 2021Observed: 1681.62 ft at 1:00PM Sep 14, 2021Observed: 1681.58 ft at 2:00PM Sep 14, 2021Observed: 1681.55 ft at 3:00PM Sep 14, 2021Observed: 1681.46 ft at 4:00PM Sep 14, 2021Observed: 1681.47 ft at 5:00PM Sep 14, 2021Observed: 1681.43 ft at 6:00PM Sep 14, 2021Observed: 1681.38 ft at 7:00PM Sep 14, 2021Observed: 1681.37 ft at 8:00PM Sep 14, 2021Observed: 1681.37 ft at 9:00PM Sep 14, 2021Observed: 1681.28 ft at 10:00PM Sep 14, 2021Observed: 1681.28 ft at 11:00PM Sep 14, 2021Observed: 1681.26 ft at 12:00AM Sep 15, 2021Observed: 1681.21 ft at 1:00AM Sep 15, 2021Observed: 1681.21 ft at 2:00AM Sep 15, 2021Observed: 1681.19 ft at 3:00AM Sep 15, 2021Observed: 1681.15 ft at 4:00AM Sep 15, 2021Observed: 1681.12 ft at 5:00AM Sep 15, 2021Observed: 1681.1 ft at 6:00AM Sep 15, 2021Observed: 1681.03 ft at 7:00AM Sep 15, 2021Observed: 1681.08 ft at 8:00AM Sep 15, 2021Observed: 1681.05 ft at 9:00AM Sep 15, 2021Observed: 1681 ft at 10:00AM Sep 15, 2021Observed: 1680.98 ft at 11:00AM Sep 15, 2021Observed: 1680.93 ft at 12:00PM Sep 15, 2021Observed: 1680.9 ft at 1:00PM Sep 15, 2021Observed: 1680.8 ft at 2:00PM Sep 15, 2021Observed: 1680.87 ft at 3:00PM Sep 15, 2021Observed: 1680.83 ft at 4:00PM Sep 15, 2021Observed: 1680.79 ft at 5:00PM Sep 15, 2021Observed: 1680.73 ft at 6:00PM Sep 15, 2021Observed: 1680.67 ft at 7:00PM Sep 15, 2021Observed: 1680.7 ft at 8:00PM Sep 15, 2021Observed: 1680.66 ft at 9:00PM Sep 15, 2021Observed: 1680.64 ft at 10:00PM Sep 15, 2021Observed: 1680.61 ft at 11:00PM Sep 15, 2021Observed: 1680.57 ft at 12:00AM Sep 16, 2021Observed: 1680.57 ft at 1:00AM Sep 16, 2021Observed: 1680.57 ft at 2:00AM Sep 16, 2021Observed: 1680.57 ft at 3:00AM Sep 16, 2021Observed: 1680.57 ft at 4:00AM Sep 16, 2021Highest Forecast: 1680.38 ft 7:00AM Sep 16, 2021Forecast: 1680.21 ft 1:00PM Sep 16, 2021Forecast: 1680.12 ft 7:00PM Sep 16, 2021Forecast: 1680.02 ft 1:00AM Sep 17, 2021Forecast: 1679.93 ft 7:00AM Sep 17, 2021Forecast: 1679.84 ft 1:00PM Sep 17, 2021Forecast: 1679.74 ft 7:00PM Sep 17, 2021Forecast: 1679.66 ft 1:00AM Sep 18, 2021Forecast: 1679.59 ft 7:00AM Sep 18, 2021Forecast: 1679.52 ft 1:00PM Sep 18, 2021Forecast: 1679.45 ft 7:00PM Sep 18, 2021Forecast: 1679.37 ft 1:00AM Sep 19, 2021BRDG1(plotting HPIRZ) Graph Created (6:49AM Sep 16, 2021)ObservedForecast (issued 11:57AM Sep 15)Latest observed value: 1680.57 ft at 4:00 AM EDT 16-Sep-2021.
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Automated gauge readings are now available, courtesy of the Tennessee Valley Authority.

NOTE: Forecast lake levels are provided by the Tennessee Valley Authority. NWS Warnings will be issued as appropriate.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Toccoa River at Blue Ridge Dam are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 1686
Low Stage (in feet): 0

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1,661.50 ft on 11/26/2007

For more information on your flood risk go to

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Gauge LocationGauge Map Marker
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.
About This Location Collapse

Latitude: 34.881667° N, Longitude: 84.281667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available 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 1840 Not Available  
Additional Information Collapse
TVA operated dam. Action stage is the summer full pool level of the lake.
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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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Page last modified: 2-Nov-2020 7:30 PM
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