Shane D. Cummings, PG, CEG, CHG – Principal, Operations Manager, Chico Office

Shane Cummings
Shane Cummings

Shane D. Cummings, PG, CEG, CHG, is a Principal of Holdrege & Kull and the Operations Manager of the Chico office. He has been in the industry for 18 years, 13 of which have been with H&K. Mr. Cummings performs and oversees field investigations for geotechnical and materials testing projects, geologic hazards evaluations, environmental investigations, earthquake fault and surface rupture hazards, air photo interpretation, environmental site assessments, and remediation of contaminated sites. He is the past President of the Feather River Branch of the American Society of Civil Engineers (ASCE) and a Subject Matter Expert with the California Board for Professional Engineers and Land Surveyors. He also prepares the examinations for licensure as a Certified Engineering Geologist, a Certified Hydrogeologist (CHG), and for the California Supplemental Component to the Professional Geologist (PG) exams.


  • B.S. in Geology, California State University, Chico


  • Professional Geologist, CA No. 7915
  • Certified Engineering Geologist, CA No. 2492
  • Certified Hydrogeologist, CA No. 885
  • Qualified SWPPP Developer/Practitioner, CA No. 736


  • Aquifer and hydrogeological evaluations
  • Borehole geophysical applications in fractured rock
  • Contaminated soil and groundwater investigations
  • Geotechnical investigations
  • Remediation of soil and groundwater
  • Contaminant transport evaluations
  • Engineering geology
  • Geologic evaluations
  • Landfill design, closure, and post closure monitoring


  • Geoprofessional Business Association
  • ASCE, Past President Feather River Branch
  • Association of Environmental and Engineering Geologists (AEG)
  • Earthquake Engineering Research Institute (EERI)
  • Seismological Society of America (SSA)
  • National Ground Water Association (NGWA)