Lake levels
Hyrum Reservoir, UT
- water level
- 4635.70 ft
- Condition
- Low for this time of year
- 7-day change
- +1.73 ft
- 30-day change
- -2.86 ft
- 1-year change
- -10.65 ft
Reading as of 2026-10-11 | the U.S. Bureau of Reclamation
- Since yesterday
- +0.37 ft
- 7-day change
- +1.73 ft
- 30-day change
- -2.86 ft
- 1-year change
- -10.65 ft
- Record high
- 4672.80 ft
In brief
Hyrum Reservoir stood at 4,635.70 feet on Oct 11, 2026. That is lower than 95% of October readings since 2021.
Source: U.S. Bureau of Reclamation
Lake level timeline
Records and averages
| Current level | 4635.70 ft |
|---|---|
| Record high | 4672.80 ft (2023-06-12) |
| Record low | 4630.32 ft (2026-09-21) |
| Average of all readings | 4659.58 ft |
| Data span | 5 years (1,999 readings) |
Level schematic
Trout stocking on Hyrum Reservoir
UDWR stocked Hyrum Reservoir 4 times in 2026, 8,678 fish in total. Rainbow trout and Brown trout at 9.89 and 8.05. UDWR's published figures for 2026, the most recent season it has confirmed, record 8,678 trout actually released here across 4 visits.
| Species | Fish | When |
|---|---|---|
| Rainbow trout | 5,580 | February 2026 |
| Rainbow trout | 648 | March 2026 |
| Rainbow trout | 350 | April 2026 |
| Brown trout | 2,100 | May 2026 |
UDWR lists a week or a month rather than a date, and counts fish as an estimate. Full Utah stocking schedule →
Frequently asked questions
Is Hyrum Reservoir full right now?
As of 2026-10-11, Hyrum Reservoir sits at 4635.70 ft, which is low for this time of year. Over the past 30 days the level has fallen 2.86 ft.
What is the water level at Hyrum Reservoir today?
The most recent reading at Hyrum Reservoir is 4635.70 ft (2026-10-11), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Hyrum Reservoir has ever been?
The highest level for Hyrum Reservoir in our records is 4672.80 ft on 2023-06-12. The lowest is 4630.32 ft on 2026-09-21. Our record covers about 5 years of readings.
Is Hyrum Reservoir low for this time of year?
Compared with every October in our records, the current level is higher than 5% 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 Hyrum Reservoir 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. Hyrum Reservoir has fallen 2.86 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.
How much has Hyrum Reservoir changed over the past year?
Hyrum Reservoir is -10.65 ft compared with this date last year (4635.70 ft today). The full-history chart above covers 5 years, with a record high of 4672.80 ft and a record low of 4630.32 ft.
Download and cite
Quote this reading
Hyrum Reservoir stood at 4,635.70 feet on Oct 11, 2026. That is lower than 95% of October readings since 2021.
Download the full record
hyrum-reservoir-ut-water-level-history.csv
How to cite
MyWaterLevel, “Hyrum Reservoir water level, 2021 to 2026,” data from U.S. Bureau of Reclamation, https://mywaterlevel.com/lake/ut/hyrum-reservoir/, accessed Oct 13, 2026.
Source: the U.S. Bureau of Reclamation. All Utah lake levels. Readings are provisional and may be revised. About our data and methods.