Guntersville Dam, also known as Guntersville Lake, is a federal-owned structure located in Marshall, Alabama, along the Tennessee River.
Wind
Humidity
Built in 1939 by the Tennessee Valley Authority (TVA), this concrete dam stands at a height of 78 feet and has a structural height of 94 feet, with a length of 3979 feet. The dam serves multiple purposes, including flood risk reduction, hydroelectric power generation, navigation, recreation, and water supply for the region.
With a storage capacity of over 1 million acre-feet and a surface area of 66,000 acres, Guntersville Dam plays a critical role in managing water resources in the area. The dam features a controlled spillway with a width of 720 feet and two vertical lift outlet gates. It has undergone several modifications over the years, with upgrades in 1952, 1965, and 1995 to enhance its structural integrity and operational efficiency. The dam's hazard potential is classified as high, with a very high risk assessment rating.
Managed by the TVA, Guntersville Dam is a key infrastructure for the region, providing essential services for flood control, power generation, and recreational activities. Its strategic location and design make it a vital component in the water resource management system along the Tennessee River, ensuring the safety and well-being of communities downstream while supporting sustainable development in the area.
Years Modified |
1952 - Mechanical, 1965 - Structural, 1995 - Structural |
Year Completed |
1939 |
Dam Length |
3979 |
Dam Height |
78 |
River Or Stream |
TENNESSEE RIVER |
Primary Dam Type |
Concrete |
Surface Area |
66000 |
Length Of Locks |
600 |
Hydraulic Height |
78 |
Drainage Area |
24450 |
Nid Storage |
1048700 |
Structural Height |
94 |
Outlet Gates |
Vertical Lift |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
94 |
| Location | Reservations | Toilets |
|---|---|---|
Georgia Mountain RV Resort
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Marshall County Park
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Lake Guntersville State Park
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Town Creek Campground
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