Lake levels › Utah

Upper Stillwater Reservoir water level today

Normal for this time of year

8,097.51ft

feet above sea level ·

vs normal for Oct 8−15.7 ft
24 hours±0.00 ft
7 days−11.2 ft
30 days−9.8 ft

Is Upper Stillwater Reservoir low right now?

Upper Stillwater Reservoir was at 8,097.51 ft on October 8, 2026. That is 15.68 ft below the typical level for October 8, within the normal range. Over the past week the lake has been falling about 1.60 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)
8,0178,0598,1018,1428,184NovDecJanFebMarAprMayJunJulAugSepOct

Upper Stillwater Reservoir on Oct 8 in past years

20258,124.2−26.7
20248,113.2−15.6
20238,169.9−72.4
20228,100.7−3.2
20218,138.9−41.4
20208,091.3+6.2

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Change
Oct 88,097.51±0.00
Oct 78,097.51−0.84
Oct 68,098.35−1.99
Oct 58,100.34−2.14
Oct 48,102.48−2.14
Oct 38,104.62−2.12
Oct 28,106.74−1.94
Oct 18,108.68−0.77
Sep 308,109.45+0.12
Sep 298,109.33+0.41
Sep 288,108.92+0.26
Sep 278,108.66+0.18
Sep 268,108.48+0.19
Sep 258,108.29+0.23

Daily means of the operator's readings (midnight to midnight, local time).

About Upper Stillwater Reservoir

10-year range
8,027.0 ft (April 1, 2021) to 8,172.9 ft (June 19, 2019)
Operated by
U.S. Bureau of Reclamation
Data
U.S. Bureau of Reclamation — Upper Stillwater Reservoir and Dam
Datum
EGM96

Lakes near Upper Stillwater Reservoir

Questions

Is Upper Stillwater Reservoir low right now?

Upper Stillwater Reservoir was at 8,097.51 ft on October 8, 2026. That is 15.68 ft below the typical level for October 8, within the normal range. Over the past week the lake has been falling about 1.60 ft a day.

How often is the Upper Stillwater Reservoir level updated?

The operator reports once a day, a day or two behind. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Bureau of Reclamation (Upper Stillwater Reservoir and Dam). Readings are provisional and can be revised.