Langdale is a picturesque hydroelectric dam located on the Chattahoochee River in Harris, Georgia. Built in 1924, this masonry dam stands at a height of 15 feet and has a structural height of 150 feet, providing a storage capacity of 2646 acre-feet and a maximum discharge of 142,800 cubic feet per second. With a surface area of 270 acres and a drainage area of 3630 square miles, Langdale serves as a vital source of renewable energy and recreation for the surrounding community.

Owned and operated by a public utility, Langdale is regulated by the Federal Energy Regulatory Commission for its dam operations and inspections. The dam's spillway, an uncontrolled type, spans 1362 feet and contributes to its low hazard potential. Despite a moderate risk assessment rating, Langdale's emergency action plan is up to date, with the last revision in December 2020, ensuring the safety and preparedness of the dam in case of emergencies. With its historical significance and environmental impact, Langdale remains a key landmark in the region for water resource and climate enthusiasts.

The dam's location in Valley, AL adds to its accessibility for visitors looking to enjoy recreational activities such as boating, fishing, and hiking in the area. Langdale's multi-arch design and rock foundation contribute to its structural integrity, making it a reliable source of clean energy for the region. As climate change continues to affect water resources, Langdale stands as a symbol of sustainable hydroelectric power and the importance of responsible dam management in the face of evolving environmental challenges.