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Hydrograph River at a Glance Download
Toccoa River at Blue Ridge Dam Pool (ft)Observed: 1687.26 ft at 4:00AM May 13, 2024Highest Observation: 1687.28 ft at 5:00AM May 13, 2024Highest Observation: 1687.28 ft at 6:00AM May 13, 2024Observed: 1687.27 ft at 7:00AM May 13, 2024Observed: 1687.24 ft at 8:00AM May 13, 2024Observed: 1687.21 ft at 9:00AM May 13, 2024Observed: 1687.19 ft at 10:00AM May 13, 2024Observed: 1687.21 ft at 11:00AM May 13, 2024Observed: 1687.23 ft at 12:00PM May 13, 2024Observed: 1687.25 ft at 1:00PM May 13, 2024Observed: 1687.26 ft at 2:00PM May 13, 2024Observed: 1687.26 ft at 3:00PM May 13, 2024Observed: 1687.25 ft at 4:00PM May 13, 2024Observed: 1687.26 ft at 5:00PM May 13, 2024Observed: 1687.23 ft at 6:00PM May 13, 2024Observed: 1687.21 ft at 7:00PM May 13, 2024Observed: 1687.18 ft at 8:00PM May 13, 2024Observed: 1687.16 ft at 9:00PM May 13, 2024Observed: 1687.13 ft at 10:00PM May 13, 2024Observed: 1687.14 ft at 11:00PM May 13, 2024Observed: 1687.15 ft at 12:00AM May 14, 2024Observed: 1687.17 ft at 1:00AM May 14, 2024Observed: 1687.18 ft at 2:00AM May 14, 2024Observed: 1687.2 ft at 3:00AM May 14, 2024Observed: 1687.21 ft at 4:00AM May 14, 2024Observed: 1687.2 ft at 5:00AM May 14, 2024Observed: 1687.19 ft at 6:00AM May 14, 2024Observed: 1687.17 ft at 7:00AM May 14, 2024Observed: 1687.15 ft at 8:00AM May 14, 2024Observed: 1687.12 ft at 9:00AM May 14, 2024Observed: 1687.1 ft at 10:00AM May 14, 2024Observed: 1687.07 ft at 11:00AM May 14, 2024Observed: 1687.09 ft at 12:00PM May 14, 2024Observed: 1687.13 ft at 1:00PM May 14, 2024Observed: 1687.15 ft at 2:00PM May 14, 2024Observed: 1687.13 ft at 3:00PM May 14, 2024Observed: 1687.11 ft at 4:00PM May 14, 2024Observed: 1687.11 ft at 5:00PM May 14, 2024Observed: 1687.08 ft at 6:00PM May 14, 2024Observed: 1687.06 ft at 7:00PM May 14, 2024Observed: 1687.03 ft at 8:00PM May 14, 2024Observed: 1687.01 ft at 9:00PM May 14, 2024Observed: 1686.99 ft at 10:00PM May 14, 2024Observed: 1686.97 ft at 11:00PM May 14, 2024Observed: 1686.99 ft at 12:00AM May 15, 2024Observed: 1687.01 ft at 1:00AM May 15, 2024Observed: 1687.06 ft at 2:00AM May 15, 2024Observed: 1687.08 ft at 3:00AM May 15, 2024Observed: 1687.11 ft at 4:00AM May 15, 2024Observed: 1687.1 ft at 5:00AM May 15, 2024Observed: 1687.09 ft at 6:00AM May 15, 2024Observed: 1687.07 ft at 7:00AM May 15, 2024Observed: 1687.05 ft at 8:00AM May 15, 2024Observed: 1687.02 ft at 9:00AM May 15, 2024Observed: 1687 ft at 10:00AM May 15, 2024Observed: 1686.97 ft at 11:00AM May 15, 2024Observed: 1686.96 ft at 12:00PM May 15, 2024Observed: 1686.94 ft at 1:00PM May 15, 2024Observed: 1686.92 ft at 2:00PM May 15, 2024Observed: 1686.9 ft at 3:00PM May 15, 2024Observed: 1686.88 ft at 4:00PM May 15, 2024Observed: 1686.86 ft at 5:00PM May 15, 2024Observed: 1686.83 ft at 6:00PM May 15, 2024Observed: 1686.81 ft at 7:00PM May 15, 2024Observed: 1686.78 ft at 8:00PM May 15, 2024Observed: 1686.76 ft at 9:00PM May 15, 2024Observed: 1686.74 ft at 10:00PM May 15, 2024Observed: 1686.72 ft at 11:00PM May 15, 2024Observed: 1686.73 ft at 12:00AM May 16, 2024Observed: 1686.76 ft at 1:00AM May 16, 2024Observed: 1686.77 ft at 2:00AM May 16, 2024Forecast: 1686.72 ft 7:00AM May 16, 2024Forecast: 1686.67 ft 1:00PM May 16, 2024Forecast: 1686.58 ft 7:00PM May 16, 2024Forecast: 1686.57 ft 1:00AM May 17, 2024Forecast: 1686.67 ft 7:00AM May 17, 2024Forecast: 1686.65 ft 1:00PM May 17, 2024Forecast: 1686.52 ft 7:00PM May 17, 2024Forecast: 1686.39 ft 1:00AM May 18, 2024Forecast: 1686.52 ft 7:00AM May 18, 2024Forecast: 1686.7 ft 1:00PM May 18, 2024Forecast: 1686.82 ft 7:00PM May 18, 2024Highest Forecast: 1686.98 ft 1:00AM May 19, 2024BRDG1(plotting HPIRZ) Graph Created (3:18AM May 16, 2024)ObservedForecast (issued 12:30AM May 16)Latest observed value: 1686.77 ft at 2:00 AM EDT 16-May-2024.
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
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.

Return to Area Map
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 www.floodsmart.gov.

Zoom Level:14
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.
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)
Elevation
(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.
Resources Collapse
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
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(770) 486-1133
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