RATHBUN LAKE NEAR RATHBUN

RESERVOIR LEVELS
February 17, 2025


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Rathbun Dam, also known as Rathbun Lake, is a federal-owned structure located in Appanoose County, Iowa. Completed in 1972 by the US Army Corps of Engineers, the dam serves as a crucial flood risk reduction measure along the Chariton River. With a structural height of 100 feet and a hydraulic height of 92 feet, Rathbun Dam has a storage capacity of 552,000 acre-feet and covers a surface area of 11,013 acres.

The dam's primary purposes include flood risk reduction, as well as providing opportunities for fish and wildlife ponds, navigation, and recreation. Despite its high hazard potential, Rathbun Dam is equipped with risk management measures implemented by the US Army Corps of Engineers. These measures include regular monitoring, maintenance, and engagement with local emergency managers to ensure the dam's structural integrity and readiness for potential emergencies.

Rathbun Dam plays a vital role in managing water levels and mitigating flood risks in the region. With its extensive storage capacity and risk management protocols in place, the dam serves as an essential infrastructure for water resource and climate enthusiasts to study and appreciate the complex interactions between water management, environmental conservation, and public safety.

Gage Height, Ft 24hr Change 0%
Percent of Normal 100%
Minimum 902.22 ft
2010-12-17
Maximum 926.74 ft
2010-07-25
Average 904 ft
Hydraulic_Height 92
Drainage_Area 549
Year_Completed 1972
Nid_Storage 552000
Structural_Height 100
River_Or_Stream CHARITON RIVER
Primary_Dam_Type Earth
Surface_Area 11013
Hazard_Potential High
Dam_Length 10120
Nid_Height 100
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