Margaret Gallogly

Maggie concentrates her practice in water law with an emphasis on drafting and negotiating complex agreements involving natural resource issues. She represents clients on numerous aspects of water supply and development, including the negotiation of water service agreements, planning for the use and protection of water rights, obtaining Certificates of Assured Water Supply, negotiating with the Arizona Department of Water Resources, and advising clients on water legislation under consideration by the Arizona legislature.

Maggie has represented clients in the real estate development and mining industries. She has also had the opportunity to represent water providers. Over the past twenty-five years, Maggie has had a wide range of experience with Arizona’s assured water supply program and the Central Arizona Groundwater Replenishment District. She is a frequent lecturer on these programs.

In addition to water law, Maggie also has experience in many aspects of real estate transactions.

Areas Of Practice

We are the forward-thinking natural resources, energy and environmental law team that innovates to ensure industry and businesses successfully navigate the ever-changing regulatory climate.

Our tax attorneys are committed to helping clients proactively structure their businesses, transactions, and estate plans in the most tax-efficient manner.


  • J.D., cum laude, Boston College Law School
    • Editor-in-Chief, Boston College Environmental Affairs Law Review, 1981-1982
  • B.A., summa cum laude, Catholic University of America

Representative Cases

  • Represents numerous developer clients each year in obtaining Certificates of Assured Water Supply.
  • Counsels master developers in water planning, negotiation of agreements with municipal and private water companies, and obtaining necessary water permits and approvals, including Certificates of Assured Water Supply.
  • Represents numerous golf course developers in securing effluent for golf course development, working with municipalities and private wastewater treatment companies.
  • Counsels clients on compliance with water conservation requirements in connection with golf courses and other aspects of master-planned communities.

Awards & Honors

  • Chambers USA, Leading Lawyers for Business, 2012-2018
  • Best Lawyers in America®, Water Law and Natural Resources Law, 2007-2018
  • Best Lawyers in America®,Lawyer of the Year, Natural Resources Law, 2017
  • AV® Preeminent™ Peer Review Rated (the highest rating available), by Martindale-Hubbell

Articles and Presentations

  • Speaker, “What’s New in Water,” Fennemore Craig Environmental and Natural Resources Seminar Series, 2018

Professional and Community Affiliations

  • Member, State Bar of Arizona
  • Member, Maricopa County Bar Association
  • Member, American Bar Association


  • Arizona
  • U.S. Court of Appeals, Ninth Circuit
  • U.S. Tax Court