Geophysical Services

Do you have a subsurface problem? Our geophysicists are available to assist you using non-intrusive or minimally invasive techniques that are proven to help solve problems and add value to projects.

Example Geophysical Services

  • Locating underground storage tanks (USTs)
  • Collecting seismic data for IBC site class
  • Delineating extent of landfills
  • Characterizing sinkholes and karst features
  • Mapping dam seepage paths
  • Locating voids
  • Mapping lake sediment thickness
  • Locating steel reinforcement


  • Typical ESP Geophysical Methods

  • Ground-Penetrating Radar (GPR)
  • Electromagnetic (EM) Induction
  • Seismic Refraction
  • Surface Wave Seismic
  • Seismic Reflection
  • Electrical Resistivity Imaging (ERI)
  • Induced Potential (IP)
  • Self-Potential (SP)
  • Micro-Gravity
  • Magnetometer and Gradiometer
  • Borehole Geophysics
  • Overwater/Underwater Geophysics


  • For more information about our geophysical services, please contact our department manager, Ned Billington, PG at: geophysics@espassociates.com, (336) 232-5211, or one of our offices




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