Peter Bannister, PE

Peter Bannister is a Principal Engineer based in Washington with more than 20 years of experience leading efforts to optimize engineering controls at landfills, simulate complex groundwater resource systems, and clean up contaminated sites impacting groundwater.

Peter Bannister is a Principal Engineer based in Washington with more than 20 years of experience leading efforts to optimize engineering controls at landfills, simulate complex groundwater resource systems, and clean up contaminated sites impacting groundwater.

Landfill-owner clients (such as municipalities and counties) turn to Peter to help understand the effects of landfill gas on groundwater quality, reduce greenhouse gas emissions, and end post-closure care requirements. Municipalities, tribal entities, and industry clients seek Peter’s technical expertise to quantify the cumulative effects of large groundwater supply projects on surface-water flows, seawater intrusion, groundwater quality, and sustainability. Potentially liable parties responsible for contaminated site cleanup under federal or state regulatory actions look to Peter to provide forensic engineering analysis to confirm the site conceptual model, characterize engineering controls performance, and support equitable cost allocation. As a Principal Engineer, Peter leads teams of experts to protect each client’s interests and resources by assuring high-quality services throughout the project’s life cycle.

Peter shares his innovative approaches and lessons learned to broader audiences at conferences sponsored by the Solid Waste Association of North America, the USEPA’s Landfill Methane Outreach Program, and the Washington State Hydrogeology Symposium. He authored an article on “How Turning Off The Flare Helps Us Sleep at Night: Landfill Milestones” in Municipal Solid Waste Magazine (Jan/Feb 2021) describing the use of biofilter for landfill gas treatment as a significant step in ending post-closure care.

Contact Peter at This email address is being protected from spambots. You need JavaScript enabled to view it..

Career Summary of Peter Bannister, PE

  • Specialties: Groundwater Assessment and Remediation; Landfill Gas Collection and Management Systems; Conceptual Site Model Development; Remediation System Operation and Optimization; Environmental Forensic Studies
  • Practice Areas: Contaminated Site Assessment and Cleanup, Water and Natural Resources, Civil Infrastructure
  • Disciplines: Natural Resources, Water Resources
  • Education: MS, Civil and Environmental Engineering, Duke University, 2001; BS, Environmental Science and Regional Planning, Washington State University, 1997
  • Registration: Washington Professional Engineer (40778); Oregon Professional Engineer (94170PE); Manager of Landfill Operations Certification, Solid Waste Association of North America

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