Lake Lyndon B. Johnson and Llano County runs down the center of the lake. The lake was originally called Lake Granite Shoals. The dam would be renamed Wirtz Dam in 1952 for Alvin J. Wirtz, the first general counsel of the LCRA, and the lake was renamed to Lake Lyndon B. Johnson in 1965 in honor of US President Lyndon Baines Johnson. In addition to his work to enact the Rural Electrification Act that formed the basis for building the Texas Highland Lakes, President Johnson owned a ranch on the lake (which was separate and apart from the LBJ Ranch in Stonewall, Texas). He
Keplar B. Johnson a boy. He began his architectural studies at State College of Washington. Keplar subsequently studied architecture at the University of California where he was the vice president of the Architectural Association and a member of Tau Beta Pi. His classmates in the architectural program included William Wurster and Julia Morgan. After graduating from Cal, Johnson moved to Seattle, Washington, where he worked for Schack, Young and Myers, Architects, from 1922 to 1930. From 1932 to 1934, he was the principal of Keplar B. Johnson, Architect, in Seattle. He was a member of the American Institute of Architects (AIA) from 1929