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Lost Lake water level

Lake, Utah, United States

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Right now

High for mid-October

Surface elevation

9,893.86ft Up 0.40 ft over the last 7 days

Water stored
686 acre‑ft
9,888 9,890 9,893 9,895
Surface elevation: 9,893.86 ft. High for mid-October.

History

History
9,8889,8909,893ftOct 10Oct 10Oct 11Oct 12Oct 139,8889,8909,893ftOct 10Oct 11Oct 13
9,8909,895ftSep 17Sep 23Sep 30Oct 6Oct 139,8909,895ftSep 17Sep 30Oct 13
9,8909,8959,900ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20269,8909,8959,900ftOct 2025Apr 2026Oct 2026
9,8909,8959,900ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20269,8909,8959,900ftOct 2016Oct 2021Oct 2026
9,8909,8959,900ftJanMarMayJulSepNov20269,8909,8959,900ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

There is plenty of water in Lost Lake: 9,893.86 ft, above normal for mid-October.

That puts it 4.82 ft above the median of 9,889.04 ft for mid-October, based on 24 years of readings. A year ago it stood at 9,891.81 ft (+2.05 ft).

The water is rising: up 0.40 ft over the past week. Over the past 30 days it has moved between 9,893.40 ft and 9,894.17 ft.

Many reservoirs reach their low point of the year in fall, before winter rain and snow start the refill.

Compared with 24 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
9,889.04 ft4.82 ft above the median for this date
Normal for this date
9,886.68 ft – 9,894.25 ft8 years in 10 fall in this range (24 years of records)
Same day last year
9,891.81 ft+2.05 ft
Lowest and highest in 30 days
9,893.40 ft – 9,894.17 ft
Lowest and highest in 12 months
9,891.80 ft – 9,900.22 ft

Swimming and boating at Lost Lake

High water can flood ramps, parking areas and shoreline campsites, and it carries floating debris. Expect some no-wake zones to be extended.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:37 AM Sunset 06:43 PM Daylight 11h 7m First quarter 34 %

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Trial LakeLake 9,803.92 ft Normal 0.9 mi
Washington LakeLake 9,979.88 ft Very high 1.2 mi
Provo River near WoodlandRiver gauge, Provo River 2.91 ft Below flood stage 14 mi
Upper Stillwater ReservoirReservoir 8,097.51 ft Normal 15 mi
Weber River near OakleyRiver gauge, Weber River 5.73 ft Below flood stage 17 mi
Provo River near HailstoneRiver gauge, Provo River 187 cfs Very high 20 mi
Bear River near Utah-Wyoming State LineRiver gauge, Bear River 4.79 ft Below flood stage 21 mi
Lake Fork River above Moon Lake, near Mountain HomeRiver gauge, Lake Fork River 220 cfs Very high 23 mi

Questions and answers

How does Lost Lake compare with last year?

It is 2.05 ft higher than on the same day last year, when the reading was 9,891.81 ft.

How often is Lost Lake updated?

Once a day. The source, U.S. Bureau of Reclamation, publishes a single daily value; the latest is from Oct 13, 2026.

What is the water level of Lost Lake today?

On Oct 13, 2026, the surface elevation was 9,893.86 ft. Up 0.40 ft over the last 7 days.

Is Lost Lake rising or falling?

Up 0.40 ft over the last 7 days.

Is the level of Lost Lake normal?

High for mid-October. Compared with 24 years of daily readings for this time of year.

How often is this data updated?

U.S. Bureau of Reclamation publishes a new reading once a day. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from U.S. Bureau of Reclamation, the official operator of this gauge, and are published under the Public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Bureau of Reclamation
Station code
usbr:3209 (Agency page)
Coordinates
40.67410, -110.94130 (WGS84)
Update interval
once a day
Licence
Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation elevation 9,893.86 ft 2026-10-13 07:00 Provisional
Water stored storage 686 acre‑ft 2026-10-13 07:00 Provisional

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How to cite

U.S. Bureau of Reclamation: Lost Lake (usbr:3209). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/united-states/utah/lost-lake

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.