John Utton practices law with Sheehan and Sheehan, P.A. primarily in the areas of water rights, administrative law and water planning; federal and state water rights litigation, including stream system adjudications; land use planning and zoning; and real estate and development. Utton has served as an adjunct faculty member at the University of New Mexico Law School, teaching classes in natural resources and water law. He is a member of the American Bar Association Committees on Water Resources and Land Use Law.