CHATTAHOOCHEE RIVER AT MORGAN FALLS DAM

RESERVOIR LEVELS
February 10, 2025


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Morgan Falls is a gravity dam located in Cobb, Georgia, along the Chattahoochee River. Built in 1903 by the S. Morgan Smith Co. of Pennsylvania, this hydroelectric structure stands at 65 feet tall and serves multiple purposes including hydroelectric power generation, recreation, and water supply. With a storage capacity of 3,150 acre-feet and a maximum discharge of 161,700 cubic feet per second, Morgan Falls plays a crucial role in managing water resources in the region.

Managed by the Federal Energy Regulatory Commission, Morgan Falls has a controlled spillway and a total length of 895.83 feet. The dam's hazard potential is rated as high, with a very high risk assessment score of 1. Despite its age, the condition assessment of Morgan Falls is not available, highlighting the need for ongoing monitoring and maintenance to ensure its structural integrity and functionality. The dam's emergency action plan was last revised in December 2020, emphasizing the importance of preparedness in the face of potential risks and emergencies.

In addition to its engineering marvel, Morgan Falls offers a picturesque setting for outdoor enthusiasts and serves as a popular recreational spot in Sandy Springs. With its rich history, critical role in water management, and scenic appeal, Morgan Falls stands as a testament to the intersection of human ingenuity and environmental stewardship in the realm of water resource management and climate resilience.

Elevation Of Reservoir Water Surface Above Datum, Ft 24hr Change -0.07%
Percent of Normal 100%
Minimum 856.68 ft
2012-07-30
Maximum 866.52 ft
2023-08-30
Average 865 ft
Dam_Height 65
Hydraulic_Height 53.2
Drainage_Area 1340
Year_Completed 1903
Nid_Storage 3150
River_Or_Stream Chattahoochee
Structural_Height 65
Primary_Dam_Type Gravity
Foundations Rock
Surface_Area 750
Outlet_Gates Slide (sluice gate) - 1, Tainter (radial) - 16
Dam_Length 895.83
Hazard_Potential High
Nid_Height 65
Reservoir Levels
       

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