SNOFLO
 



JACK DAM

RESERVOIR LEVELS
Unlisted/Unknown Dam Austin Draw
April 5, 2025


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Jack Dam, located in Natrona, Wyoming, serves a critical purpose in debris control along the Austin Draw river. Managed by the Bureau of Land Management, this gravity dam stands at a structural height of 35 feet and was completed in 1971. With a normal storage capacity of 31 acre-feet and a maximum storage of 339.6 acre-feet, Jack Dam plays a key role in managing water resources in the region.

Despite its low hazard potential, Jack Dam has been assessed as unsatisfactory in condition, with a moderate risk level. The dam features an uncontrolled spillway and no outlet gates, and it has undergone inspections every 5 years, with the most recent inspection conducted in July 2017. While the dam has not been modified in recent years, its risk management measures and emergency preparedness protocols could benefit from further development to ensure the safety and security of the surrounding community in the event of a potential breach.

Overall, Jack Dam stands as a testament to the importance of maintaining and monitoring critical infrastructure for water resource management. As climate change continues to impact water availability and quality, the upkeep and assessment of dams like Jack Dam are essential for safeguarding against potential hazards and ensuring the sustainable use of water resources for future generations.

Year_Completed 1971
River_Or_Stream AUSTIN DRAW
Dam_Length 345
Primary_Dam_Type Gravity
Surface_Area 14.7
Hydraulic_Height 31
Nid_Storage 339.6
Structural_Height 35
Outlet_Gates None
Hazard_Potential Low
Foundations Unlisted/Unknown
Nid_Height 35
       

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