Bureau of Reclamation | 26,779 followers on LinkedIn. Largest wholesale water supplier & second largest hydroelectric power producer in U.S., operating in 17 western states | The Bureau of Reclamation (U.S. Department of the Interior) - Established in 1902, the Bureau of Reclamation is best known for the dams, powerplants and canals it constructed in the 17 western states. These water projects led to homesteading and promoted the economic development of the West.