HARLAN COUNTY LAKE NEAR REPUBLICAN CITY

RESERVOIR LEVELS
February 12, 2025


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Harlan County Dam, also known as Harlan County Lake, is a gravity-type dam located in Naponee, Nebraska on the Republican River. Completed in 1952 by the US Army Corps of Engineers, the dam serves the primary purpose of flood risk reduction while also supporting fish and wildlife habitats, irrigation, recreation, and water supply. With a hydraulic height of 105 feet and a structural height of 107 feet, the dam has a storage capacity of 825,700 acre-feet and covers a surface area of 13,600 acres.

The dam's spillway, with a controlled design and width of 856 feet, helps manage water levels during high flow events. Despite being classified with a high hazard potential, the dam is regularly inspected, and emergency action plans are in place to address any safety concerns. The USACE implements risk management measures to monitor the dam's condition, prioritize maintenance activities, and collaborate with local emergency managers to ensure preparedness for potential emergencies. As a vital infrastructure for flood protection in the region, Harlan County Dam plays a crucial role in safeguarding communities and ecosystems against the risks associated with severe weather events and water management challenges.

Overall, Harlan County Dam stands as a critical asset in the effort to mitigate flood risks and ensure water resource sustainability in the area. With ongoing monitoring and proactive risk management strategies in place, the dam continues to be a key component in the region's resilience against potential threats, highlighting the importance of effective dam infrastructure management in maintaining the safety and well-being of surrounding communities and environments.

Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change 0%
Percent of Normal 100%
Minimum 1,927.8 ft
2014-01-29
Maximum 1,958.16 ft
2019-07-23
Average 1,940 ft
Hydraulic_Height 105
Drainage_Area 7636
Year_Completed 1952
Nid_Storage 825700
Structural_Height 107
Primary_Dam_Type Gravity
Foundations Rock, Soil
Surface_Area 13600
Hazard_Potential High
River_Or_Stream REPUBLICAN
Dam_Length 11827
Nid_Height 107
Reservoir Levels
       

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