SNOFLO
 


UPPER DOME

RESERVOIR LEVELS
Rock, Soil Dam Cochtopa Creek-Tr
May 10, 2025


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Upper Dome is a state-regulated dam located in Saguache, Colorado, specifically in the city of Gunnison. Completed in 1975, this Earth type dam stands at a height of 33 feet with a hydraulic height of 38 feet and a structural height of 50 feet. With a normal storage capacity of 880 acre-feet and a maximum storage of 1330 acre-feet, Upper Dome serves as a Fish and Wildlife Pond for recreational purposes. The dam spans 540 feet in length and has a surface area of 75 acres, providing essential habitat for local wildlife.

Managed by the Colorado Department of Water Resources, Upper Dome has a low hazard potential but a very high risk assessment due to its age and condition. The dam is equipped with a controlled spillway, outlet gates, and has a maximum discharge capacity of 850 cubic feet per second. Despite its fair condition assessment as of August 2019, the dam undergoes inspections every six years to ensure its continued safety and functionality. Surrounding Cochtopa Creek-TR, Upper Dome plays a crucial role in regulating water flow and providing environmental benefits to the region.

Enthusiasts of water resources and climate will appreciate Upper Dome's significance in supporting fish and wildlife populations, as well as its role in recreational activities. As a vital structure within the local watershed, this dam not only provides storage for water resources but also helps in flood control and habitat preservation. With its state-regulated status and adherence to inspection and enforcement protocols, Upper Dome showcases the commitment to sustainable water management practices in Colorado.

Year_Completed 1975
Dam_Height 33
River_Or_Stream COCHTOPA CREEK-TR
Dam_Length 540
Primary_Dam_Type Earth
Surface_Area 75
Hydraulic_Height 38
Drainage_Area 60
Nid_Storage 1330
Structural_Height 50
Outlet_Gates Slide (sluice gate), Uncontrolled
Hazard_Potential Low
Foundations Rock, Soil
Nid_Height 50
       

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