Topaz Lake Water Level
Nevada · updated daily from the U.S. Geological Survey
91.45 ft
Topaz Lake is current reading available and falling (-1.60 ft in the last 7 days).
Change since yesterday: -0.19 ft
Reading as of 2026-08-15
Where Topaz Lake sits historically
Today's level compared with every reading in our 0.3-year record for this lake.
Since yesterday
-0.19 ft
7-day change
-1.60 ft
30-day change
-7.05 ft
1-year change
— ft
Last 30 days
Last 12 months
Topaz Lake records and averages
| Current level | 91.45 ft |
|---|---|
| Record high | 104.63 ft (2026-05-26) |
| Record low | 91.45 ft (2026-08-15) |
| Average of all readings | 101.22 ft |
| Data span | 0.3 years (120 readings) |
Frequently asked questions
Is Topaz Lake full right now?
As of 2026-08-15, Topaz Lake sits at 91.45 ft, which is current reading available.Over the past 30 days the level has fallen 7.05 ft.
What is the water level at Topaz Lake today?
The most recent reading is 91.45 ft (2026-08-15), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Topaz Lake has ever been?
The highest level in our records is 104.63 ft on 2026-05-26. The lowest is 91.45 ft on 2026-08-15. Our record covers about 0.3 years of readings.
Why is Topaz Lake 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. Topaz Lake has fallen 7.05 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Topaz Lake 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 104.63 ft and a record low of 91.45 ft.
Nearby lakes in Nevada
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Nevada lake levels.