Lake levels
Great Salt Lake, UT
- water level
- 4189.80 ft
- Condition
- Low for this time of year
- 7-day change
- +0.10 ft
- 30-day change
- -0.10 ft
- 1-year change
- -1.40 ft
Reading as of 2026-10-12 | the U.S. Geological Survey
- Since yesterday
- +0.10 ft
- 7-day change
- +0.10 ft
- 30-day change
- -0.10 ft
- 1-year change
- -1.40 ft
- Record high
- 4211.60 ft
In brief
Great Salt Lake stood at 4,189.80 feet on Oct 12, 2026. That is lower than 97% of October readings since 1900.
Source: U.S. Geological Survey
Lake level timeline
Records and averages
| Current level | 4189.80 ft |
|---|---|
| Record high | 4211.60 ft (1986-06-03) |
| Record low | 4188.50 ft (2022-11-07) |
| Average of all readings | 4196.83 ft |
| Data span | 126 years (14,931 readings) |
Level schematic
Frequently asked questions
Is Great Salt Lake full right now?
As of 2026-10-12, Great Salt Lake sits at 4189.80 ft, which is low for this time of year. Over the past 30 days the level has fallen 0.10 ft.
What is the water level at Great Salt Lake today?
The most recent reading at Great Salt Lake is 4189.80 ft (2026-10-12), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Great Salt Lake has ever been?
The highest level for Great Salt Lake in our records is 4211.60 ft on 1986-06-03. The lowest is 4188.50 ft on 2022-11-07. Our record covers about 126 years of readings.
Is Great Salt Lake low for this time of year?
Compared with every October in our records, the current level is higher than 3% of them, which we classify as low for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Great Salt Lake changing right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Great Salt Lake has fallen 0.10 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Great Salt Lake changed over the past year?
Great Salt Lake is -1.40 ft compared with this date last year (4189.80 ft today). The full-history chart above covers 126 years, with a record high of 4211.60 ft and a record low of 4188.50 ft.
Download and cite
Quote this reading
Great Salt Lake stood at 4,189.80 feet on Oct 12, 2026. That is lower than 97% of October readings since 1900.
Download the full record
great-salt-lake-ut-water-level-history.csv
How to cite
MyWaterLevel, “Great Salt Lake water level, 1900 to 2026,” data from U.S. Geological Survey, https://mywaterlevel.com/lake/ut/great-salt-lake/, accessed Oct 13, 2026.
Source: the U.S. Geological Survey. All Utah lake levels. Readings are provisional and may be revised. About our data and methods.