
Lake levels
Great Salt Plains Lake, OK
- water level
- 1124.13 ft
- Condition
- Low for this time of year
- 7-day change
- -0.06 ft
- Below full
- 0.87 ft
- 30-day change
- +0.25 ft
Reading as of 2026-10-13 | the U.S. Army Corps of Engineers
- Since yesterday
- -0.06 ft
- 7-day change
- -0.06 ft
- 30-day change
- +0.25 ft
- Below full
- 0.87 ft
- 1-year change
- -1.21 ft
In brief
Great Salt Plains Lake stood at 1,124.13 feet on Oct 13, 2026, 0.87 feet below its full pool of 1,125 feet. That is lower than 90% of October readings since 2014.
Source: U.S. Army Corps of Engineers
Lake level timeline
Records and averages
| Current level | 1124.13 ft |
|---|---|
| Full pool (conservation) | 1125.00 ft |
| Flood pool | 1138.50 ft |
| Record high | 1138.65 ft (2019-05-30) |
| Record low | 1123.08 ft (2022-10-20) |
| Average of all readings | 1125.48 ft |
| Data span | 11 years (4,240 readings) |
Level schematic
Frequently asked questions
Is Great Salt Plains Lake full right now?
As of 2026-10-13, Great Salt Plains Lake sits at 1124.13 ft, which is low for this time of year. That is 0.87 ft below full pool of 1125.00 ft. Over the past 30 days the level has risen 0.25 ft.
What is the water level at Great Salt Plains Lake today?
The most recent reading at Great Salt Plains Lake is 1124.13 ft (2026-10-13), sourced from the U.S. Army Corps of Engineers. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Great Salt Plains Lake has ever been?
The highest level for Great Salt Plains Lake in our records is 1138.65 ft on 2019-05-30. The lowest is 1123.08 ft on 2022-10-20. Our record covers about 11 years of readings.
Is Great Salt Plains Lake low for this time of year?
Compared with every October in our records, the current level is higher than 10% 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 Plains 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 Plains Lake has risen 0.25 ft over the past 30 days. For the operational reason on any given week, check the U.S. Army Corps of Engineers directly.
How much has Great Salt Plains Lake changed over the past year?
Great Salt Plains Lake is -1.21 ft compared with this date last year (1124.13 ft today). The full-history chart above covers 11 years, with a record high of 1138.65 ft and a record low of 1123.08 ft.
Download and cite
Quote this reading
Great Salt Plains Lake stood at 1,124.13 feet on Oct 13, 2026, 0.87 feet below its full pool of 1,125 feet. That is lower than 90% of October readings since 2014.
Download the full record
great-salt-plains-lake-ok-water-level-history.csv
How to cite
MyWaterLevel, “Great Salt Plains Lake water level, 2014 to 2026,” data from U.S. Army Corps of Engineers, https://mywaterlevel.com/lake/ok/great-salt-plains-lake/, accessed Oct 13, 2026.
Source: the U.S. Army Corps of Engineers. All Oklahoma lake levels. Readings are provisional and may be revised. About our data and methods.