than 80 percent of the State's population before the dams can be constructed and to more than 90 percent by the year 2000. Maxwell Reservoir. within 25 miles of Phoenix, would be used to full capacity, even now, if its construction included ample facilities for outdoor recreation activity. Phoenix is reputed to have the highest boat ownership per capita of any city in its size group in the United States, but present boating facilities are not adequate. Existing water impoundments in the extremely arid Phoenix-Tucson area are already overtaxed by recreation use. Additional water-based recreation opportunities for future population expansion will necessarily be dependent upon the four proposed impoundments. Recreation opportunities that wou...