Moon Lake Reservoir Water Level

Utah · updated daily from the U.S. Bureau of Reclamation

8096.45 ft

Moon Lake Reservoir is below average for this time of year and rising (+1.02 ft in the last 7 days).

Change since yesterday: +0.20 ft

Reading as of 2026-08-14 · higher than 37% of August readings on record

Where Moon Lake Reservoir sits historically

TODAY 8096.45 ftRECORD LOW8083.66 ft2021-07-13RECORD HIGH8137.84 ft2023-06-19

Today's level compared with every reading in our 5.5-year record for this lake.

Since yesterday

+0.20 ft

7-day change

+1.02 ft

30-day change

+3.41 ft

1-year change

+6.24 ft

Last 30 days

2026-07-158092.6–8096.9 ft2026-08-14

Last 12 months

2025-08-148080.7–8134.3 ft2026-08-14

Full history (5.5 years)

2021-02-228077.7–8144.2 ft2026-08-13

Moon Lake Reservoir records and averages

Current level8096.45 ft
Record high8137.84 ft (2023-06-19)
Record low8083.66 ft (2021-07-13)
Average of all readings8112.03 ft
Data span5.5 years (2,000 readings)

Frequently asked questions

Is Moon Lake Reservoir full right now?

As of 2026-08-14, Moon Lake Reservoir sits at 8096.45 ft, which is below average for this time of year.Over the past 30 days the level has risen 3.41 ft.

What is the water level at Moon Lake Reservoir today?

The most recent reading is 8096.45 ft (2026-08-14), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Moon Lake Reservoir has ever been?

The highest level in our records is 8137.84 ft on 2023-06-19. The lowest is 8083.66 ft on 2021-07-13. Our record covers about 5.5 years of readings.

Is Moon Lake Reservoir low for this time of year?

Compared with every August in our records, the current level is higher than 37% of them — below average 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 Moon Lake 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. Moon Lake Reservoir has risen 3.41 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 Moon Lake Reservoir changed over the past year?

The level is +6.24 ft compared with this date last year (8096.45 ft today). The full-history chart above covers 5.5 years, with a record high of 8137.84 ft and a record low of 8083.66 ft.

Nearby lakes in Utah

Upper Stillwater Reservoir water level
8133.61 ft · falling
Starvation Reservoir water level
5688.08 ft · falling
Stateline Reservoir water level
9117.31 ft · falling
Lost Lake water level
9897.92 ft · falling
Meeks Cabin Reservoir water level
8604.47 ft · falling
Trial Lake water level
9809.11 ft · falling

Source: the U.S. Bureau of Reclamation. Readings are provisional and subject to revision by the publishing agency. All Utah lake levels.