Deadwood Reservoir Water Level
Idaho · updated daily from the U.S. Bureau of Reclamation
5315.59 ft
Deadwood Reservoir is current reading available and falling (-4.73 ft in the last 7 days).
Change since yesterday: -0.60 ft
Reading as of 2026-08-15
Where Deadwood Reservoir sits historically
Today's level compared with every reading in our 0.3-year record for this lake.
Since yesterday
-0.60 ft
7-day change
-4.73 ft
30-day change
-15.94 ft
1-year change
— ft
Last 30 days
Last 12 months
Deadwood Reservoir records and averages
| Current level | 5315.59 ft |
|---|---|
| Record high | 5333.41 ft (2026-05-30) |
| Record low | 5315.59 ft (2026-08-15) |
| Average of all readings | 5330.48 ft |
| Data span | 0.3 years (109 readings) |
Frequently asked questions
Is Deadwood Reservoir full right now?
As of 2026-08-15, Deadwood Reservoir sits at 5315.59 ft, which is current reading available.Over the past 30 days the level has fallen 15.94 ft.
What is the water level at Deadwood Reservoir today?
The most recent reading is 5315.59 ft (2026-08-15), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Deadwood Reservoir has ever been?
The highest level in our records is 5333.41 ft on 2026-05-30. The lowest is 5315.59 ft on 2026-08-15. Our record covers about 0.3 years of readings.
Why is Deadwood Reservoir low 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. Deadwood Reservoir has fallen 15.94 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 Deadwood Reservoir changed over the past year?
Year-over-year comparison is not available for this lake yet. The full-history chart above covers 0.3 years, with a record high of 5333.41 ft and a record low of 5315.59 ft.
Nearby lakes in Idaho
Source: the U.S. Bureau of Reclamation. Readings are provisional and subject to revision by the publishing agency. All Idaho lake levels.