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Stateline Reservoir water level

Reservoir, Utah, United States

Directions

Right now

Normal for mid-October

Surface elevation

9,119.81ft Up 6.18 ft over the last 7 days

Water stored
4,760 acre‑ft
9,110 9,120 9,130

History

History
9,1109,1209,130ftOct 11Oct 12Oct 13Oct 14Oct 159,1109,1209,130ftOct 11Oct 13Oct 15
9,1109,1209,1309,140ftSep 18Sep 24Oct 1Oct 8Oct 159,1109,1209,1309,140ftSep 18Oct 1Oct 15
9,1209,1409,160ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20269,1209,1409,160ftOct 2025Apr 2026Oct 2026
9,1209,1409,160ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20269,1209,1409,160ftOct 2016Oct 2021Oct 2026
9,1209,1409,160ftJanMarMayJulSepNov20269,1209,1409,160ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

The lake level at Stateline Reservoir reads 9,119.81 ft, about where it usually sits at this time of year.

The median for mid-October is 9,122.30 ft, based on 36 years of readings, so the lake level is 2.49 ft below typical. On the same day last year the reading was 9,107.07 ft, a difference of +12.74 ft.

It is on the way up, by 6.18 ft over the past week. The 30-day range is 9,113.28 ft – 9,119.81 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 36 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
9,122.30 ft2.49 ft below the median for this date
Normal for this date
9,110.80 ft – 9,132.60 ft8 years in 10 fall in this range (36 years of records)
Same day last year
9,107.07 ft+12.74 ft
Lowest and highest in 30 days
9,113.28 ft – 9,119.81 ft
Lowest and highest in 12 months
9,106.91 ft – 9,145.04 ft

Boating and fishing at Stateline Reservoir

A lake in its usual range is what most ramps, docks and swimming areas are built for.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

Rain in the last 3 days: 0.05 in.

17 Sat 57° 36° – Wind 8 mph
18 Sun 57° 34° – Wind 8 mph
19 Mon 53° 38° – Wind 8 mph
20 Tue 51° 36° 0.00 in, 53% Wind 9 mph
21 Wed 53° 37° – Wind 14 mph
22 Thu 51° 37° 0.35 in, 68% Wind 19 mph
23 Fri 39° 27° 0.27 in, 68% Wind 15 mph

Forecast: Open-Meteo

Sunrise 07:36 AM Sunset 06:39 PM Daylight 11 hr, 4 min First quarter 40%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
East Fork Smiths Fork near RobertsonRiver gauge, East Fork Smiths Fork 3.73 ft Below flood stage ±0 4.9 mi
Blacks Fork near RobertsonRiver gauge, Blacks Fork 2.46 ft Below flood stage −0.02 ft 10 mi
Meeks Cabin ReservoirReservoir 8,606.93 ft Normal 10 mi
Middle Fork Beaver Creek near LonetreeRiver gauge, Middle Fork Beaver Creek 25.0 cfs Very high −2.1 cfs 11 mi
Bear River near Utah-Wyoming State LineRiver gauge, Bear River 4.77 ft Below flood stage −0.05 ft 24 mi
Lake Fork River above Moon Lake, near Mountain HomeRiver gauge, Lake Fork River 204 cfs Very high −8.0 cfs 27 mi
Moon Lake ReservoirReservoir 8,108.60 ft Normal 29 mi
Lake Fork River below Moon Lake near Mountain HomeRiver gauge, Lake Fork River 7.0 cfs Normal ±0 30 mi

Questions and answers

Is Stateline Reservoir higher than last year?

Yes, it is 12.74 ft higher than on the same day last year, when the reading was 9,107.07 ft.

What is a normal level for Stateline Reservoir in mid-October?

The median for mid-October is 9,122.30 ft. In 8 years out of 10 the reading falls between 9,110.80 ft and 9,132.60 ft, based on 36 years of records.

Is Stateline Reservoir really 9,119.81 ft deep?

No. 9,119.81 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 Stateline Reservoir today?

On Oct 15, 2026, the surface elevation was 9,119.81 ft. Up 6.18 ft over the last 7 days.

Is Stateline Reservoir rising or falling?

Up 6.18 ft over the last 7 days.

Is the level of Stateline Reservoir normal?

Normal for mid-October. Compared with 36 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:485 (Agency page)
Coordinates
40.98291, -110.39038 (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 9,119.81 ft 2026-10-15 07:00 Provisional
Water stored 4,760 acre‑ft 2026-10-15 07:00 Provisional

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How to cite

U.S. Bureau of Reclamation: Stateline Reservoir (usbr:485). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/united-states/utah/stateline-reservoir

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.