Seneca River at Jocassee Dam
South Carolina — Water Level & Flood Stage
Located in Pickens County, South Carolina on the Seneca River. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: JCSS1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
110 ft
Moderate Flood
105 ft
Minor Flood
102 ft
Action Stage
100 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
114.5 ft
FLOODING ALONG SHORELINE WILL BEGIN. BRIDGES THAT WILL LIKELY BE CLOSED ARE HIGHWAY 11 EAST OF SALEM. HIGHWAYS 183, US 76, SR 37 AND 27.
105 ft
MODERATE FLOODING
102 ft
FLOOD STAGE ... LEVEL AT WHICH SOME DOCKS...STRUCTURES AND BUSINESSES ALONG THE SHORELINE WILL BEGIN TO FLOOD.
100 ft
FULL POOL ELEVATION. SOME BACKWATER EFFECTS ALONG CANE, MCKINNEYS AND EASTATOE CREEKS.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Aug 16, 1994 | 100.82 ft | — |
| Aug 16, 1994 | 100.82 ft | — |
| Jul 28, 1992 | 100.19 ft | — |
| Jul 28, 1992 | 100.19 ft | — |
| Apr 22, 2003 | 100 ft | — |
About This Gauge
NWS LID
JCSS1
River
Seneca River
County
Pickens, SC
Coordinates
34.9597°N, 82.9181°W
Get Flood Alerts for Seneca River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Seneca River at Jocassee Dam?
The Seneca River at Jocassee Dam gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Seneca River at Jocassee Dam?
The NWS-defined flood stage for Seneca River at Jocassee Dam is 102 feet. Action stage begins at 100 feet. Moderate flooding starts at 105 feet, and major flooding at 110 feet.
How do I get alerts when Seneca River rises?
Download StormCast free on Google Play, go to River Gauges, and add Seneca River at Jocassee Dam to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Seneca River at Jocassee Dam gauge located?
The gauge is located in Pickens County, South Carolina at coordinates 34.9597°N, 82.9181°W. Data is provided by the U.S. Geological Survey and the National Weather Service.