Lost Lake water level
Lake, Utah, United States
Right now
High for mid-October
Surface elevation
- Water stored
- 686 acre‑ft
History
202120222023202420252026
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.
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
| Parameter | Last value | Time (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 |
Download
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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.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer