Reservoir Levels Weather Hydrology

Silver Jack Reservoir is located near Cimarron, Colorado, and was created in 1902 by the Silver Jack Dam, an earthen structure that is 57 feet high and 450 feet long. The reservoir is situated at an elevation of 9,100 feet and has a capacity of 2,589 acre-feet. The water in the reservoir comes from several surface flow and snowpack providers, including the Cimarron River and the San Juan Mountains. The reservoir is a vital source of water for the surrounding agricultural community and provides irrigation water for local farms. It is also a popular recreational destination for fishing, boating, and camping. The reservoir is managed by the Bureau of Reclamation and is a part of the Uncompahgre Project, which was designed to provide water for agricultural use in western Colorado.

July 19, 2024







Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change 0%
Percent of Normal 100%
Minimum 8,849.33 ft
Maximum 8,927.09 ft
Average 8,919 ft
Dam_Height 173
Hydraulic_Height 132
Drainage_Area 59
Year_Completed 1971
Nid_Storage 15363
Structural_Height 173
Primary_Dam_Type Earth
Foundations Rock
Surface_Area 319
Hazard_Potential High
Outlet_Gates Slide (sluice gate), Uncontrolled, Valve
Dam_Length 1050
Nid_Height 173

Regional Streamflow


Cubic Feet Per Second


Cubic Feet Per Second


Cubic Feet Per Second


Cubic Feet Per Second

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