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Basin and Drainage Studies Section

The Basin and Drainage Studies Section serves a planning function and is primarily responsible for mapping floodplains and improving the quality and accuracy of existing floodplain maps. Floodplain mapping is done both in-house and under contract by private consulting firms, and range in scope from single watercourses to entire watersheds.  Their reports often becomes the Special Studies that the Floodplain Management Division uses to ensure that development within the floodplain adheres to applicable regulations.  The Basin and Drainage Studies Section is also involved in water and environmental resources planning.

Basin Management Plans

Basin Management Plans can be found with other reports and projects on the Reports Page and on the Projects page.

Water and Environmental Resources Planning

Lower Santa Cruz River Living River Project 
Water Use by Single-Family Residences in the Tucson Water Service Area in 2009 & 2010