W. D. Mayo Lock and Dam, Lock and dam in LeFlore County, United States.
The W. D. Mayo Lock and Dam extends 7,400 feet across the Arkansas River, featuring twelve tainter gates measuring 60 feet by 21 feet each.
Construction began in May 1966 and concluded in October 1970, marking the first lock and dam west of the Arkansas-Oklahoma border on the Arkansas River.
The facility bears the name of a Sallisaw business leader who advocated for the development of river infrastructure in Oklahoma.
The lock chamber measures 110 feet by 600 feet, enabling vessels to navigate through a normal water level change of 20 feet.
The dam creates an upper pool covering 1,595 acres with an active capacity of 15,800 acre-feet, supporting navigation along the McClellan-Kerr Arkansas River system.
Location: LeFlore County
GPS coordinates: 35.31610,-94.55890
Latest update: April 17, 2025 03:43
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