Come Join us for a tour of the James W. Trimble Lock and Dam in Barling, AR! [] James W. Trimble Lock and Dam Information The dam, which is on the Arkansas River, was primarily built for Navigation purposes, but also serves for Recreation and Hydroelectric benefits. The dam was designed by CESWL and commissioned in 1969 and is currently owned by USACE – Little Rock District. The James W. Trimble Lock and Dam is approximately 7,110 feet (2,167 m) long, 28 feet (9 m) high and has a structural volume of 156,000 cubic yards (119,271 cubic metres). The reservoir has a normal storage capacity of 53,100 acre-ft (65,498 Ml) and maximum capacity of 59,100 acre-ft (72,899 Ml). The surface area of the reservoir is 6,820 acres (2,760 ha) and the total catchment area is 150,567 square miles (389,967 square kilometres). *https://damsoftheworld.com/usa/arkansas/james-w.-trimble-lock-and-dam/ 1700 Lock And Dam Rd, Barling, Arkansas, United States, 72923