Montgomery & Associates: Water Resource Consultants
Montgomery & Associates - Water Resource Consultants
Montgomery & Associates

Mark M. Cross, P.G., C.HG., Hydrogeologist, Principal
Tucson Operations Manager / President

Mark Cross, Hydrogeologist & Principal

Qualifications at a glance

Specialty areas: Artificial recharge investigations, groundwater flow modeling, well hydraulics, and analysis of groundwater–surface water interactions


As M&A’s President and Operations Manager at the firm’s Tucson office, Mark brings a wealth of expertise to his projects — particularly groundwater recharge investigations, where he uses not only his technical skills but also his extensive experience in regulatory permitting and planning. He has led numerous recharge feasibility assessments, successfully supervising, siting, designing, and implementing comprehensive programs for groundwater recharge and recovery. In addition, he has developed conceptual, analytical, and numerical groundwater flow models for a variety of applications. His other project experience includes demonstrating 100-year Assured Water Supplies for existing and planned Arizona communities and assessing the feasibility of dewatering operations for mines.

Mark has received awards for his contributions to the Tucson Regional Water Council and the Tucson Active Management Area Regional Recharge Committee. He is a member of the external advisory committees for the University of Arizona Water Resources Research Center and Water Sustainability Program.