Summary: Most water in the arid western United States delivered through federal projects is used for agriculture, but the demand for water for urban, recreational, and environmental uses is growing. The federal government plays a role in water management in the arid West mainly through water resource projects. Water transfer, in which rights to use water are bought and sold, is seen by many resource economists as a way to reallocate scarce water to new users by allowing those who place the highest economic value on it to purchase it. Those who want more water--such as municipalities--often are willing to pay considerably higher prices for it than the current users, and irrigators who receive subsidized water from federal projects may want to transfer this water to a municipality at a profit. At the same time, these transactions may allow the Bureau of Reclamation to share in the profits. This report examines (1) whether water transfers will boost revenues, (2) how the Bureau could increase its revenues from transferred water, and (3) what issues the Bureau should consider in setting prices for transferred water.