Dan Heidenreich, CPG

Dan Heidenreich is a Senior Consultant Geologist based in Colorado with more than 20 years of experience focused on GIS data management and mapping. He also conducts 3D site visualizations, subsurface investigations, and environmental assessments and provides clients with remediation construction site management services.


Dan's practice focuses on GIS data management and mapping for sites impacted by soil and groundwater contamination. His experience as a project geologist serves him well as he manages data and prepares maps for use in reports and for public presentations. In addition, Dan prepares interactive 3D views of surface and subsurface conditions to better communicate environmental information to clients, colleagues, and the public.

He has performed Phase I and II environmental assessments throughout the United States. He also worked as a project geologist for client sites in Hawaii, Saipan, American Samoa, Bolivia, and Indonesia.

As a former Esri-Authorized GIS Instructor, he was authorized to teach the two-day Esri Introduction to ArcView course. The course was offered to acquaint users with the basic tools and capabilities of desktop GIS software developed by Esri.

Contact Dan Heidenreich at This email address is being protected from spambots. You need JavaScript enabled to view it. or +1-303-790-1340.

Career Summary: Dan Heidenreich, CPG

  • Specialties: Data Management, Visualization, and Analysis; GIS Data Management and Mapping; 3D Site Visualizations; Groundwater Assessment and Remediation
  • Practice Areas: Contaminated Site Assessment and Cleanup
  • Disciplines: Environmental Sciences, Environmental and Geotechnical Data Management
  • Education: B.A., Geology/Geography, University of Colorado, 1983
  • Registration: Certified Professional Geologist, American Institute of Professional Geologists, #10085
Geosyntec Consultants
Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

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