The purpose of this report is to summarize information relevant to water aspects of the SDCP and the Pima County Comprehensive Plan. It deals with water supply and human water demand, and water supplies and needs for riparian and wetland habitat.

Provides an overview of Pima County's (1) natural, constructed and administrative form makers, (2) the origins and implementation of planning and zoning legislation and regulations, and (3) a decade-by-decade review of some of the major land use decisions made within Pima County since the 1920s.