John deLaChapelle, LG, LEG

John deLaChapelle is a Senior Principal Engineering Geologist based in Washington with more than 23 years of professional experience focused on assessing and managing geohazards for oil and gas clients, as well as for other clients with linear infrastructure.

John deLaChapelle is a Senior Principal Engineering Geologist based in Washington with more than 23 years of professional experience focused on assessing and managing geohazards for oil and gas clients, as well as for other clients with linear infrastructure.


Part the United States Geotechnical Group that supports geohazard projects, John supports oil and gas, energy, transportation, mining, communications, and land development markets; for these projects, he often serves as a geohazard program leader, technical lead, and client lead. In this capacity, he assesses geologic hazards, develops geospatial databases, supports permitting, and conducts geotechnical investigations to address operation, pipeline siting and routing, engineering design, mitigation, and pipeline construction. John manages and directs large projects with multidisciplinary teams from multiple offices; his teams develop and implement large geologic hazard geospatial databases, develop hazard mapping protocols with pipeline operators, and manage large desktop assessments and field assessments. In addition, on behalf of large North American pipeline clients including TC Energy, Kinder Morgan, Williams, and PG&E, John has developed geohazard management plans.

To advance the state of the practice of geohazard management, John participates in professional groups including the Association of Environmental and Engineering Geologists (AEG) and Geotechnical Extreme Events Reconnaissance (GEER). Additionally, he has authored papers and presented at industry and professional conferences such as the International Pipeline Conference (IPC). John chaired the Washington Section of AEG and has advised local universities on developing Engineering Geology programs. To serve his profession, he has guest lectured at the University of Washington Geology Department. John received the Geological Society of America’s E.B. Burwell, Jr. Memorial Award in recognition of distinguished contributions to Engineering for his GEER team’s research of the Oso Landslide that killed 43 people in Washington in 2014.

An advocate for keeping field staff safe, John has managed many large field programs involving tens of thousands of staff hours mapping geohazards in rugged and remote terrain in North America with zero recordable injuries.

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

Career Summary of John deLaChapelle, LG, LEG

  • Specialties: Geologic Hazard Identification and Characterization and Threat Assessment; Geologic Hazard Inventories and Geospatial Database Development and Management; Remote Sensing and Field Mapping; Geologic Hazard Investigation, Analysis, and Mitigation Design and Monitoring; Pipeline Permitting Support, Routing Assessments, and Construction Support
  • Practice Areas: Civil Infrastructure, Geotechnical and Geoenvironmental Engineering, Facility Hazards
  • Disciplines: Geological Engineering, Geology
  • Education: M.S., Geology, Western Washington University, 2000; B.S., Geology, University of Washington, 1996
  • Registration: Washington Licensed Geologist: #1583 Washington Licensed Engineering Geologist: #1583

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