Douglas Baumwirt, P.G., C.H.G.

Doug Baumwirt is a Principal Hydrogeologist based in Southern California with more than 14 years of professional experience focused in the areas of environmental due diligence, site investigation and remediation, and groundwater management. He specializes in helping his clients manage their environmental liabilities, and takes great pride in developing and implementing strategies for regulatory compliance and case closure. 


Doug's expertise ranges widely and includes technical litigation support for environmental impacts, complex site characterization, hydrogeologic studies, regulatory coordination, and environmental due diligence. Representative experience includes environmental program management for construction of a 120-mile-long electrical transmission corridor, clean closure of several landfills, development of numerous groundwater monitoring plans, and management of various environmental investigations in oil and gas fields. Additionally, he has performed more than 200 Phase I Environmental Site Assessments across the United States and Mexico. Doug joined Geosyntec Consultants' San Diego office in 2005 after working in the legal and geotechnical consulting fields for several years. He continually seeks to leverage his diverse background and multidisciplinary professional experience to provide innovative and valuable services to help solve environmental challenges across Southern California.

To advance the state of the practice, Doug leads Geosyntec's Sustainable Groundwater Management Act (SGMA) program in Southern California, and co-authored the first complete draft Groundwater Sustainability Plan since enactment of the landmark SGMA legislation in California.

Career Summary: Douglas Baumwirt, P.G., C.H.G.

  • Specialties: Sustainable Groundwater Management, Environmental Due Diligence, Site Investigation and Remediation, Litigation Support
  • Practice Areas: Contaminated Site Assessment and Cleanup, Environmental Management, Water and Natural Resources
  • Disciplines: Hydrogeology, Geology
  • Education: B.S., Geological Sciences, San Diego State University, 2005
  • Registration: California Professional Geologist, P.G. 8745; California Certified Hydrogeologist, C.Hg. 1075
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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