Great Salt Lake above Great Salt Lake
Utah — Water Level & Flood Stage
Located in Salt Lake County, Utah on the Great Salt Lake. Live water level data from USGS gauge 10010100, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
4208 ft
Moderate Flood
4206 ft
Minor Flood
4204 ft
Action Stage
4203 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
4208 ft
I-80 damaged on south rim of lake. Additionally, railroad causeways damaged. Great Salt Lake minerals operations affected.
4206 ft
Antelope Island Causeway damaged.
4204 ft
Managed wildlife refuges along the rim of the lake damaged.
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 |
|---|---|---|
| May 31, 1986 | 4211.8 ft | — |
| May 31, 1986 | 4211.8 ft | — |
| Mar 31, 1987 | 4211 ft | — |
| Mar 31, 1987 | 4211 ft | — |
| Aug 14, 1985 | 4209.55 ft | — |
About This Gauge
USGS Site
NWS LID
GSLU1
River
Great Salt Lake
County
Salt Lake, UT
Coordinates
41.2552°N, 112.4969°W
Get Flood Alerts for Great Salt Lake
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 Great Salt Lake above Great Salt Lake?
The Great Salt Lake above Great Salt Lake gauge is maintained by USGS (site 10010100) 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 Great Salt Lake above Great Salt Lake?
The NWS-defined flood stage for Great Salt Lake above Great Salt Lake is 4204 feet. Action stage begins at 4203 feet. Moderate flooding starts at 4206 feet, and major flooding at 4208 feet.
How do I get alerts when Great Salt Lake rises?
Download StormCast free on Google Play, go to River Gauges, and add Great Salt Lake above Great Salt Lake 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 Great Salt Lake above Great Salt Lake gauge located?
The gauge is located in Salt Lake County, Utah at coordinates 41.2552°N, 112.4969°W. USGS site number: 10010100. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey