Rita Maguire


Rita P. Maguire is a founding member of Maguire, Pearce & Storey, PLLC located in Phoenix, Arizona. Ms. Maguire has more than 26 years of experience in water, environmental and administrative law in Arizona. Her clients include municipal water providers, mining companies, international corporations with water and environmental interests, real estate investors, and the State of Arizona. Due to her extensive professional experience in the legislative and executive branches of state government, Ms. Maguire routinely provides advice to municipal, industrial and agricultural interests about public policy, legislative and regulatory rule-making developments. Ms. Maguire provides expert witness testimony on the acquisition, management and utilization of surface water and groundwater in Arizona and the Lower Colorado River Basin and has arbitrated a multi-million dollar water supply and pricing dispute in Southern California.

Prior to forming the law firm of Maguire & Pearce, PLLC, now Maguire, Pearce & Storey, PLLC, Ms. Maguire was the founding President and CEO of the Arizona Center for Public Policy, a nonpartisan public policy research center providing comprehensive and objective analysis of Arizona’s major policy issues.  Ms. Maguire served as Director of the Arizona Department of Water Resources from 1993 through 2001. During her tenure as Director, Ms. Maguire represented the state’s interests in the Colorado River Basin, was a key figure in the development of the Arizona Water Bank Authority, adoption of the Third Management Plan, and played a central role in Indian water rights negotiations in Arizona. Ms. Maguire has written and spoken widely on water policy and management matters.

Ms. Maguire holds three degrees from Arizona State University: a Juris Doctorate, a Masters in Business Administration, and a Bachelor of Science in Political Science.  In 2016, Rita Maguire was awarded the Distinguished Service Award by the Environmental and Natural Resource Law Section (ENRLS) of the Arizona State Bar.  Ms. Maguire was awarded the Outstanding Alumnus of the Sandra Day O’Connor College of Law. Ms. Maguire has been listed as a Southwest Super Lawyer since 2008, is listed in the International Who’s Who of Environment Lawyers, is recognized as a 2015 leader by Chambers USA, and is an AV Preeminent Rated lawyer by Martindale Hubbell.  In August 2012, Ms. Maguire was appointed a member of the National Research Council’s Water Science and Technology Board of the National Academies of Science and serves on the Research Committee of the Arizona Town Hall.