UPPER STILLWATER RESERVOIR

Reservoir Levels Weather Hydrology

Utah Reservoirs Duchesne Watershed

Upper Stillwater Reservoir

RESERVOIR REPORT
October 4 2023

30,523 acre-ft

+0.44% today
192% of Normal Very High

Water storage levels at Upper Stillwater Reservoir are currently 30,523 acre-ft, about 192% of normal. The average for this time of year is approximately 15,889.01acre-ft. Maximum recorded Storage since record keeping began in 1989 was 2011-07-08 when levels reached 31,691 acre-ft. Lowest recorded Storage was 2010-04-02 when levels receded to 880 acre-ft. View historical levels.

Upper Stillwater Reservoir is a man-made lake located in the Uinta Mountains of northeastern Utah. The reservoir was created in the 1980s to store water for irrigation, municipal, and industrial purposes. The reservoir is fed by snowmelt from the surrounding mountains and by surface flows from local creeks and streams. It has a capacity of 18,500 acre-feet and a surface area of approximately 600 acres. The primary users of water from the reservoir are agricultural producers and municipalities in the area. The reservoir also provides opportunities for recreational activities, such as fishing and boating, and serves as a popular destination for outdoor enthusiasts. The reservoir is managed by the Upper Stillwater Dam and Canal Company, which oversees the operation and maintenance of the dam and associated infrastructure.

Geolocation -110.700, 40.566
Elevation 8,169 ft
Storage 24hr Change 0.44%
Percent of Normal 192%
Minimum 880 acre-ft
2010-04-02
Maximum 31,691 acre-ft
2011-07-08
Average 15,889 acre-ft
AREA SURFACE FLOWS
Streamgauge Streamflow Stage
STRAWBERRY RIVER NEAR DUCHESNE 105 cfs 5.7 ft
WEBER RIVER NEAR COALVILLE 219 cfs 2.5 ft
CURRANT CREEK NEAR FRUITLAND 33 cfs 1.5 ft
CHALK CREEK AT COALVILLE 45 cfs 3.4 ft
MUD CREEK BL WINTER QUARTERS CANYON AT SCOFIELD 28 cfs 2.5 ft
WHITE RIVER BL TABBYUNE C NEAR SOLDIER SUMMIT 6 cfs 2.2 ft

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