In order to deal with this problem effectively, promote economic and social development of Arizona, the Central Arizona Project (CAP) was constructed by the federal government in 1990s.

• 为有效解决地下水超采问题,同时促进亚利桑那州经济和社会发展,美国政府于20世纪90年代兴建了中央亚利桑那调水工程。