SNOFLO
 


GYHRA DAM

RESERVOIR LEVELS
Soil Dam Tr-Balls Branch
May 8, 2025


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Gyhra Dam, located in Pawnee City, Nebraska, is a privately owned structure that serves multiple purposes, including flood risk reduction. Completed in 2004, this earth dam stands at 30 feet tall with a hydraulic height of 27 feet and a structural height of 37 feet. It has a storage capacity of 45 acre-feet, with a normal storage of 14 acre-feet, covering a surface area of 3 acres and draining an area of 0.14 square miles.

Managed by the Nebraska Department of Natural Resources, Gyhra Dam has a low hazard potential and is in satisfactory condition as of its last inspection in April 2017. The dam has a 5-year inspection frequency and is equipped with emergency action plans, although details on revisions and compliance with guidelines are not provided in the available data. The dam's spillway type, width, and other specific features are not listed, but it has no locks or associated structures.

Gyhra Dam plays a crucial role in managing water resources and mitigating flood risks in the area. Its strategic location on TR-Balls Branch, within Congressional District 03, ensures the protection of nearby communities and infrastructure from potential water-related hazards. This modern infrastructure showcases the importance of effective dam management and the collaboration between private owners and state regulatory agencies to ensure the safety and sustainability of water resources in Nebraska.

Year_Completed 2004
Dam_Height 30
River_Or_Stream TR-BALLS BRANCH
Dam_Length 440
Primary_Dam_Type Earth
Surface_Area 3
Hydraulic_Height 27
Drainage_Area 0.14
Nid_Storage 45
Structural_Height 37
Hazard_Potential Low
Foundations Soil
Nid_Height 37
       

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