Regulations last checked for updates: Nov 21, 2024

Title 18 - Conservation of Power and Water Resources last revised: Oct 23, 2024
authority: 5 U.S.C. 571-83; 42 U.S.C. 7101-7532; 49 U.S.C. 60502; 49 App. U.S.C. 1-85
source: Order 561, 58 FR 58779, Nov. 4, 1993, unless otherwise noted.