Nivelmap
EN

How to read levelsSources and methods

North America

Western Europe

Central Europe

Mediterranean

Nordic countries

Lost Lake water level

Lake, Utah, United States

Directions

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

History

9,8889,8909,893ftOct 11Oct 11Oct 12Oct 12Oct 139,8889,8909,893ftOct 11Oct 12Oct 13
9,8909,895ftSep 18Sep 24Sep 30Oct 6Oct 139,8909,895ftSep 18Sep 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 4.88 ft above the median of 9,888.98 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 9,894.14 ft.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

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

Key numbers

Median for this date
9,888.98 ft4.88 ft above the median for this date
Normal for this date
9,886.68 ft – 9,894.31 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 – 9,894.14 ft
Lowest and highest in 12 months
9,891.80 ft – 9,900.22 ft

Swimming and boating at Lost Lake

A little more water than usual mostly means narrower beaches. Ramps and docks generally work as normal, but watch for floating debris after storms.

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

Rain in the last 3 days: 1.04 in.

16 Fri 45° 31° – Wind 11 mph
17 Sat 48° 35° – Wind 9 mph
18 Sun 53° 35° – Wind 8 mph
19 Mon 49° 32° – Wind 7 mph
20 Tue 46° 32° 0.05 in, 59% Wind 8 mph
21 Wed 46° 32° 0.04 in, 46% Wind 11 mph
22 Thu 42° 34° 0.31 in, 76% Wind 11 mph

Forecast: Open-Meteo

Sunrise 07:38 AM Sunset 06:42 PM Daylight 11 hr, 4 min First quarter 37%

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 2.89 ft Below flood stage −0.02 ft 14 mi
Upper Stillwater ReservoirReservoir 8,097.51 ft Normal 15 mi
Weber River near OakleyRiver gauge, Weber River 5.71 ft Below flood stage −0.02 ft 17 mi
Provo River near HailstoneRiver gauge, Provo River 180 cfs Very high −4.9 cfs 20 mi
Bear River near Utah-Wyoming State LineRiver gauge, Bear River 4.78 ft Below flood stage −0.02 ft 21 mi
Lake Fork River above Moon Lake, near Mountain HomeRiver gauge, Lake Fork River 220 cfs Very high +1.4 cfs 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.

What is a normal level for Lost Lake in mid-October?

The median for mid-October is 9,888.98 ft. In 8 years out of 10 the reading falls between 9,886.68 ft and 9,894.31 ft, based on 24 years of records.

Is Lost Lake really 9,893.86 ft deep?

No. 9,893.86 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

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?

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

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 9,893.86 ft 2026-10-13 07:00 Provisional
Water stored 686 acre‑ft 2026-10-13 07:00 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Bureau of Reclamation: Lost Lake (usbr:3209). Accessed October 17, 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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer