SNOFLO
 



CORALVILLE DAM

RESERVOIR LEVELS
Rock, Soil Dam Iowa River
April 5, 2025


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Coralville Dam, located in Iowa City along the Iowa River, serves as a critical infrastructure for flood risk reduction and recreation purposes. This Federal-owned gravity dam, completed in 1958 by the US Army Corps of Engineers, stands at a height of 132 feet and has a storage capacity of 420,960 acre-feet. With a spillway width of 500 feet and a maximum discharge capability of 244,000 cubic feet per second, the dam plays a crucial role in managing water levels and ensuring structural integrity during severe weather events.

The dam's risk management measures include continuous monitoring, prioritizing activities to mitigate risks, and engaging with emergency managers and the public to raise awareness and support emergency preparedness. USACE regularly updates the emergency action plan for the dam and performs maintenance and repairs as needed to ensure its proper functioning. While dams cannot eliminate all flood risks, USACE works diligently to address various types of flood risk associated with the Coralville Dam, emphasizing the importance of community readiness and collaboration in managing potential emergencies.

As a hub for water resource and climate enthusiasts, Coralville Dam represents a vital component of Iowa's infrastructure, safeguarding against high hazard potential and ensuring the safety and well-being of the surrounding communities. With a focus on proactive risk management and public engagement, the US Army Corps of Engineers remains committed to protecting lives and property through effective dam operations and emergency preparedness efforts.

Year_Completed 1958
Dam_Height 100
River_Or_Stream IOWA RIVER
Dam_Length 1400
Primary_Dam_Type Gravity
Surface_Area 4050
Hydraulic_Height 93
Drainage_Area 3115
Nid_Storage 420960
Structural_Height 132
Outlet_Gates Uncontrolled - 0, Vertical Lift - 3
Hazard_Potential High
Foundations Rock, Soil
Nid_Height 132
       

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