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This probabilistic forecast is issued by the Southeast River Forecast Center.
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About this graph
Forecasts for the Savannah River at Hartwell Dam are issued routinely year-round.
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Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 680
Moderate Flood Stage: 670
Flood Stage: 665
Action Stage: 662
Low Stage (in feet): -9999

Historic Crests
(1) 665.40 ft on 04/08/1964
(2) 664.83 ft on 01/05/2016
(3) 664.79 ft on 07/09/2013
(4) 664.76 ft on 04/08/1994
(5) 664.08 ft on 03/17/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 664.83 ft on 01/05/2016
(2) 664.79 ft on 07/09/2013
(3) 652.97 ft on 03/19/2012
(4) 661.14 ft on 04/16/2011
(5) 662.63 ft on 02/08/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 637.48 ft on 12/10/2008
(2) 642.32 ft on 10/21/2008
(3) 642.40 ft on 12/24/1981
(4) 643.85 ft on 01/03/1982
(5) 644.77 ft on 12/16/2011
Show More Low Water Records
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
675 Some campgrounds on islands on the lake may be affected.
670 Islands above and below the dam will become partially covered.
668 Water will be at the bottom of the bridge on Conerross Creek at Highway S-184, Martin Creek at Highway S-65 and Seneca Creek at Highway S-210.
667.5 Water will be at the bottom of the Highway SC71 bridge over 26 Mile Creek.
665 Recreation areas near the lake such as Long Point, Ashbury, Singing Pines, South Carolina River, Boyles and 12 Mile will be closed. Camping areas such as Springfield, Oconee Point, Watsadler and Georgia River will likely be closed. Creeks that drain into the lake will be effected by backwater especially on Old Jewell Road. Floating faclilites on the lake and along the banks of the lake will begin to flood.
664.5 Backwater affects on local streams will cause flooding of some low areas and roads such as dr johns road. Picnic areas, boat ramps, campgrounds and recreation areas near the lake shoreline will begin to flood.
663 At this stage water starts to flood low spots in yards of homes along the lake and water starts to backup into local creeks that feed into the lake.
662 Water management threshold, expect more frequent inflow forecasts.
660 Normal full pool level

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
For more information on expected river levels see our local river summary at:
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
Greenville-Spartanburg Weather Forecast Office
1549 GSP Drive
Greer, SC 29651
(864) 848-3859
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Page last modified: 30-Oct-2020 4:10 PM
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