Meet Gei's

Rodney Fricke, P.G., C.E.G., C.H.G.

Senior Hydrogeologist

Rodney is a California-Certified Hydrogeologist and Professional Geologist specializing in groundwater remediation and groundwater management. Over the course of his career, he has worked with state and federal regulatory agencies in achieving compliance in soil and groundwater cleanup projects, evaluating alternative water supplies for impacts to municipal resources and delisting/entitlement processes for land development. More recently, Rodney has worked on various projects for the California Sustainable Groundwater Management Act, including defense of a Basin Boundary Modification, an Alternative Submittal, the notification process for the formation of Groundwater Sustainability Agencies (GSAs) and GSA technical advisory in multi-agency basins. His experience also includes the design and implementation of groundwater monitoring plans and field investigations of soil and groundwater, interpretation of construction and geophysical well logs for purposes of aquifer characterization, development of site-specific conceptual hydrogeologic models and interpretation of water quality data.

Rodney has a M.S. in Geology from the University of Nevada-Reno and a B.S. in Geology from Southern Illinois University-Carbondale.

… pleasure working with you over the past 20+ years. You are a professional and I always trusted you in telling the truth.
- Alex MacDonald, Senior Engineer, California Regional Water Quality Control Board

Sacramento, California


  • Licensed Professional Geologist: CA
  • Certified Hydrogeologist: CA
  • Treasurer for the Sacramento Branch of the Groundwater Resources Association of California