Moon Lake Reservoir

Name: Moon Lake Reservoir (Utah) water level
Creator: U.S. Bureau of Reclamation

Utah · Reclamation gauge

Grey bar: 12-month range 8,092.3–8,129.1 ft.

Water level · EGM96

8,116.47FT

Storage 22,892 acre-feet

The source publishes no % full figure.

7 days +6.20 ft30 days +18.46 ftvs last year +24.39 ft

Reading for Oct 24, 2026 · page refreshed Oct 25, 20:24 UTC
Source: U.S. Bureau of Reclamation (RISE)

Worth going today?This Afternoon

Windy or wet – use caution

Light wind, 52% chance of rain

Wind5 mph

Rain52%

Temp45°F

Level8,116.5 ft

This AfternoonSlight Chance T-storms · 45°F
SE 5 mph · rain 52%

TonightSlight Chance Rain And Snow then Partly Cloudy · 30°F
NW 5 mph · rain 15%

NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

30 days1 year

Field notes

As of Oct 24, 2026, Moon Lake Reservoir stood at 8,116.47 (EGM96) ft.

Reclamation reports storage of 22,892 acre-feet for the same day.

Over the past 7 days the lake has been rising (+6.20 ft), and it is +18.46 ft over 30 days.

Compared with a year ago (8,092.08 ft), the lake is 24.39 ft higher.

Readings come from the Bureau of Reclamation's daily reservoir data for Moon Lake Reservoir and Dam.

Lake facts

Storage (latest)	22,892 acre-feet
Gauge / station	Moon Lake Reservoir and Dam
Elevation datum	ft (EGM96)
Gauge location	40.5744, -110.5066

Nearby lakes

Upper Stillwater Reservoir10 mi W8,121.61 ft+10.99 ft Lost Lake24 mi W9,894.57 ft+0.52 ft Trial Lake25 mi W9,805.08 ft+0.78 ft Washington Lake25 mi W9,980.21 ft+0.24 ft Starvation Reservoir27 mi S5,687.76 ft+1.50 ft

Common questions

Is Moon Lake Reservoir rising or falling?

Over the last 7 days it changed +6.20 ft and over 30 days +18.46 ft.

How full is Moon Lake Reservoir?

Reclamation publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from Reclamation's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Bureau of Reclamation's RISE data portal (data.usbr.gov). Forecasts come from the National Weather Service.

Daily values published by the Bureau of Reclamation; provisional and subject to revision. Reclamation data are provisional and subject to revision unless otherwise noted. This page is not affiliated with or endorsed by the Bureau of Reclamation. See data sources.