Nathan E. Miller

Supervising Modeler / Hydrologist

Nathan E. Miller

B.S., 1997 Hydrology Magna Cum Laude, University of Arizona, Tucson

Years in Profession

Years with Firm


Nathan is a hydrologist with expertise in numerical groundwater flow modeling. As lead modeler, Nathan is in charge of SGC’s computer modeling program and oversees the detailed development of individual projects. Nathan also has professional experience performing a variety of tasks including: installation of exploratory borings, monitor wells and production wells; hydrologic field investigations and data analysis; analytical groundwater flow modeling; Geographic Information Systems (GIS) development; relational database development, records reviews, and preparation of hydrogeologic maps and technical reports. His computer skills allow him to take full advantage of available tools, and his skill set is continually adapting to the latest technologies.

nathan3Nathan regularly represents clients before the Arizona Department of Water Resources (ADWR) and the Arizona Department of Environmental Quality (ADEQ), and manages the successful completion of permits issued by these agencies. He has conducted numerous assured water supply investigations and prepared applications for Physical Availability Demonstrations (PAD), and Certificates, Analyses, and Designations of Assured Water Supply (CAWS, AAWS, and DAWS). He has completed many well spacing and well impact investigations in support of production well permits. He has also prepared many recharge aquifer impact analyses, applications for Underground Storage Facilities (USF), and provided hydrologic support for applications for Aquifer Protection Permits (APP) with particular expertise in performing analyses to determine the Discharge Impact Area (DIA).

Professional Affiliations/Certifications

  • Arizona Hydrological Society
  • OSHA 10-hr Construction Safety