Gregory Gibbons, P.E.

Greg Gibbons is a Principal Environmental Engineer based in Illinois with more than 40 years of experience focused on the investigation and remediation of contaminated sites with an emphasis on sediment sites.

Greg Gibbons is a Principal Environmental Engineer based in Illinois with more than 40 years of experience focused on the investigation and remediation of contaminated sites with an emphasis on sediment sites.


Greg's experience has included technical and project management roles for a variety of environmental projects including sediment and upland site investigation and remediation efforts, water resources, wastewater treatment, and potable water treatment as well as technical support to litigation activities.

Actively involved in sediment mega-site projects, Greg's projects include the Onondaga Lake in New York and the Berry's Creek Study Area Superfund Sites in New Jersey. For the Onondaga Lake project, Greg headed up the assessment of dredging options including dredge spoil management for the feasibility study (FS). He served as deputy project manager for the Berry's Creek Study Area project FS effort.

Greg has been the senior project manager for the implementation of a sediment remediation effort involving sediment removal and installation of an active cap being conducted under the Great Lakes National Program Office (GLNPO) Great Lakes Legacy Act (GLLA) cost share program. He also was project manager for the remedial design of a GLNPO/GLLA where Geosyntec's services were provided as an in-kind cost share service. Greg also provides support to other sediment-related projects around the country.

Several upland U.S. EPA Superfund RI/FS projects have relied on Greg's consulting or project management expertise to assist potentially responsible parties or under the direction of counsel, including the Riverfront NPL Site in New Haven, Missouri, the Matthiessen & Hegeler Zinc Site in LaSalle, Illinois, the Peter's Cartridge Site, in Kings Mill, Ohio and upland sites associated with the Onondaga Lake NPL Site in Syracuse, New York.

To continue to advance the state of the practice, Greg serves as Chairperson for Geosyntec's Sediment Action Group, is a member of the Sediment Management Work Group, and co-chaired a panel discussion on public participation in sediment remediation projects. He also serves on the Environmental Division Steering Committee of the Three Rivers Manufacturers' Association.

Contact Gregory Gibbons at This email address is being protected from spambots. You need JavaScript enabled to view it. or +1-630-203-3340.

Career Summary of Gregory Gibbons, P.E.

  • Specialties: Sediment Assessment and Remediation; Site Investigation and Remediation
  • Practice Areas: Contaminated Site Assessment and Cleanup
  • Disciplines: Environmental Engineering
  • Education: M.S., Environmental Engineering, University of Michigan, 1980; B.S., Civil Engineering, University of Notre Dame, 1978
  • Registration: Professional Engineer, Virginia, 14859; Professional Engineer, Illinois,No. 46430; Professional Engineer, Michigan, 37852; Professional Engineer, Indiana PE11700816

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