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.
Wind
Humidity
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.
| Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change | 0.0% |
| Percent of Normal | 100% |
| Minimum |
8,846.63 ft
2025-10-01 |
| Maximum |
8,927.09 ft
2011-06-07 |
| Average | 8,872 ft |
| Dam_Height | 173 |
| Hydraulic_Height | 132 |
| Drainage_Area | 59 |
| Year_Completed | 1971 |
| Nid_Storage | 15363 |
| Structural_Height | 173 |
| River_Or_Stream | EAST FORK, CIMARRON RIVER |
| Foundations | Rock |
| Surface_Area | 319 |
| Hazard_Potential | High |
| Outlet_Gates | Slide (sluice gate), Uncontrolled, Valve |
| Dam_Length | 1050 |
| Primary_Dam_Type | Earth |
| Nid_Height | 173 |