SNOFLO

       

ORWELL DAM

RESERVOIR LEVELS
March 23, 2025


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Orwell Dam, also known as Orwell Reservoir, is a key structure managed by the US Army Corps of Engineers in Breckenridge, Minnesota. Completed in 1953, this earthen dam serves primarily for flood risk reduction along the Otter Tail River, with additional purposes including fish and wildlife pond management, recreation, and other uses. With a dam height of 10 feet and a hydraulic height of 35 feet, Orwell Dam has a structural height of 60 feet and a length of 1355 feet, with a storage capacity of 20,600 acre-feet.

The dam's high hazard potential underscores the importance of continuous monitoring and risk management measures implemented by the USACE. Regular inspections, emergency action plans, and collaboration with local authorities are crucial in mitigating risks associated with dam releases during severe weather events. While the dam has limited storage capacity and can release water to manage levels upstream or downstream, ongoing maintenance and repairs are essential to ensure its structural integrity and functionality.

USACE's dedication to addressing all types of flood risks associated with Orwell Dam highlights the agency's commitment to safeguarding communities and water resources. As climate change brings new challenges, proactive risk management and public awareness efforts will be crucial in enhancing the resilience of Orwell Dam and other critical infrastructure in the face of evolving environmental threats.

Year_Completed 1953
Dam_Height 10
River_Or_Stream OTTER TAIL RIVER
Dam_Length 1355
Primary_Dam_Type Earth
Surface_Area 805
Hydraulic_Height 35
Drainage_Area 1820
Nid_Storage 20600
Structural_Height 60
Outlet_Gates Slide (sluice gate) - 2, Tainter (radial) - 1
Hazard_Potential High
Foundations Soil
Nid_Height 60
       

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