David Coyne is an Environmental Due Diligence Expert and Water Resources Expert at Liberty Environmental

David S. Coyne, Qualified Environmental Professional, is a real estate environmental advisor, with expertise in complex due diligence evaluations and environmental decision making for industrial or commercial property transactions. Mr. Coyne also has advanced academic and professional experience in water resources engineering, stormwater management, surface water and watershed modeling systems, dam breach flow analyses, and urban stormwater design. Mr. Coyne has designed and executed a standard protocol for the assessment of arsenic and other residual agricultural chemicals at development tracts, and has authored several short papers on the subject. He has also authored articles and short publications related to the application of groundwater and surface water environmental assessment services within the real estate market, and the key elements of successful stormwater management for land development projects.

Download Mr. Coyne’s Full Professional Profile


  • Institute of Professional Environmental Practice (IPEP) Qualified Environmental Professional (QEP)
  • Pennsylvania Department of Environmental Protection (DEP) Qualified Consultant for NPDES Stormwater Permitting
  • M.S. Water Resources and Environmental Engineering, Villanova University (2000)
  • Post-Graduate Certificate, Urban Water Resource Design, Villanova University (2001)
  • B.A. Earth/Environmental Science, Boston University (1992)

Training and Associations

  • American Society for Testing and Materials (ASTM) Member, Committee E50 (Environmental Assessments)
  • Associate Member, American Society of Civil Engineers
  • OSHA 40 Hour Worker and Supervisory Training