About the District

The Flood Control District of Maricopa County (District) was created in 1959 to reduce the risk of flooding to people and property .


Our mission is to reduce risk from flooding so that property damage and loss of life is minimized, economic development is supported in a safe and responsible manner and storm water is recognized as a resource for the long-term benefit of the community and environment.


We are a community partner working with citizens and stakeholders to reduce risk from flooding. We accomplish this through exceptional customer service, technical expertise, fiscally responsible actions and multi-use projects.


General Manager

Bill Wiley, Chief Engineer & General Mgr. of FCDOn June 2, 2014 William "Bill" Wiley officially assumed the position of Chief Engineer and General Manager of the Flood Control District. Bill has a Bachelor of Science in Physical Geography and a Master of Science in Civil Engineering from Arizona State University, as well as Hydrology Graduate studies from the University of Arizona. His professional career includes appointments as Deputy Director of the Arizona Department of Environmental Quality, was Environmental Director of TRW Vehicle Safety Systems, Senior Manager for Sustainability and Technology Innovations at Arizona Public Service, and Director of Maricopa County Air Quality from 2010 – 2014. Overall, Bill has more than 30 years of experience with nearly half in both the public and private sectors.

Board of Directors

The Flood Control District is governed by a five-member Board of Directors that also serves as the Board of Supervisors for Maricopa County. The Board of Directors exercises all the powers and duties in the acquisition and operation of District properties, contracting, and regulatory functions as ordinarily exercised by governing bodies.

Annual Reports

View the District's annual reports dating back to 2001.

Flood Control Advisory Board

The Flood Control Advisory Board (FCAB) acts in an advisory role to the Board of Directors on flood control, floodplain management, drainage and related matters. The FCAB reviews planning, operations and maintenance of flood control facilities, and recommends an annual budget, which includes a five-year Capital Improvement Program (CIP), to the Board of Directors. The FCAB members also serve the District as members of the Floodplain Review Board and the Drainage Review Board.

Read more about the FCAB. View past meeting minutes and presentations.

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