SNOFLO
 



LONERGAN DAM

RESERVOIR LEVELS
Soil Dam Tr-Little Papio Creek
April 22, 2025


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Lonergan Dam, located in Omaha, Nebraska, along the TR-Little Papio Creek, stands as a vital water resource and recreational hub in Douglas County. Built in 1968, this earth-type dam boasts a height of 72 feet and a length of 1320 feet, providing essential storage of 2623 acre-feet for leisure activities and flood control. Managed by a private entity, Lonergan Dam is regulated by the Nebraska Department of Natural Resources, ensuring its safety and compliance with state standards.

With a hazard potential classified as high, Lonergan Dam has been assessed as satisfactory in condition, with the last inspection taking place in June 2020. The dam's emergency action plan (EAP) was last revised in June 2018, highlighting the importance of preparedness and risk management for this critical infrastructure. As a popular spot for outdoor enthusiasts, the reservoir created by Lonergan Dam covers a surface area of 120 acres, offering a picturesque setting for fishing, boating, and other water-based activities.

Overall, Lonergan Dam stands as a testament to the intersection of water resource management and climate resilience. Its role in providing both recreational opportunities and flood protection underscores the importance of maintaining and monitoring such infrastructure to ensure the safety and well-being of the surrounding community. As climate change continues to impact water resources, Lonergan Dam serves as a reminder of the essential role dams play in sustainable water management and environmental stewardship.

Year_Completed 1968
Dam_Height 72
River_Or_Stream TR-LITTLE PAPIO CREEK
Dam_Length 1320
Primary_Dam_Type Earth
Surface_Area 120
Hydraulic_Height 69
Drainage_Area 0.9
Nid_Storage 2623
Structural_Height 75
Hazard_Potential High
Foundations Soil
Nid_Height 75
       

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