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Hydrograph River at a Glance Download
Oconee River at Lake Oconee Pool (ft)Observed: 434.97 ft at 7:00AM Apr 21, 2024Observed: 434.85 ft at 7:00AM Apr 22, 2024Observed: 434.94 ft at 7:00AM Apr 23, 2024Observed: 434.96 ft at 7:00AM Apr 24, 2024Highest Observation: 434.98 ft at 7:00AM Apr 25, 2024WDMG1(plotting HPIRZ) Graph Created (9:34AM Apr 25, 2024)ObservedLatest observed value: 434.98 ft at 7:00 AM EDT 25-Apr-2024. Flood Stage is 435.5 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Stage measured manually and reported by river observer. No automated gauge on-site.

NOTE: Forecasts are not available for the Oconee River at Lake Oconee. Only observed stages are available for this point.

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Upstream Gauge - near Penfield Upstream Gauge Downstream Gauge Downstream Gauge - at Lake Sinclair
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 435.5
Action Stage: 435
Low Stage (in feet): 0

Historic Crests
(1) 436.00 ft on 02/05/1998
(2) 435.96 ft on 11/25/2009

(P): Preliminary values subject to further review.

Recent Crests
(1) 435.96 ft on 11/25/2009
(2) 436.00 ft on 02/05/1998

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:16
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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: 33.351667° N, Longitude: 83.161667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 435.5 ft 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 0 ft 435.5 ft  
Additional Information Collapse
Georgia Power trys to maintain a full pool level of 435.0 feet. Any reading higher than that normally causes some kind of action such as partially opening gates at the dam to release lake water and reduce the pool elevation.
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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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Page last modified: 2-Nov-2020 7:30 PM
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