Lone Star Lake, located in Douglas County, Kansas, is a concrete dam constructed in 1939 by Wilson and Company. As a local government-owned structure, it serves as a recreational area for water resource and climate enthusiasts, with a primary purpose of providing outdoor activities. With a height of 71 feet and a storage capacity of 5,600 acre-feet, the dam overlooks the serene waters of Washington Creek, offering a surface area of 194.7 acres for visitors to enjoy.

Managed by the Kansas Department of Agriculture, Lone Star Lake is regulated and inspected to ensure its safety and functionality. The dam's hazard potential is classified as high, but its condition is assessed as fair, with regular inspections every three years. Despite its age, the dam continues to provide essential water storage for the surrounding area and poses no immediate threat to public safety. For water enthusiasts seeking a picturesque setting for recreational activities, Lone Star Lake is a must-visit destination in the heart of Kansas.

As part of the Tulsa District, the dam at Lone Star Lake stands as a testament to the enduring importance of water resource management in the region. With its historical significance dating back to the late 1930s, the dam continues to support a diverse range of wildlife and plant species in the surrounding area. Visitors can immerse themselves in the natural beauty of the lake while appreciating the engineering marvel that is the concrete buttress dam. Lone Star Lake remains a vital hub for outdoor recreation and a shining example of sustainable water management practices in action.