• B.S. in Geology, San Diego State University, 1998
"Every time that wheel turns around, we're bound to cover just a little more ground."-Jerry Garcia

Paul Jeffers

Senior Geologist
, PG


B.S. in Geology, San Diego State University, 1998

Key Expertise

  • Site characterization
  • Groundwater modelling
  • 3D Visualization modelling
  • Environmental compliance
  • Soil and groundwater contamination assessments


With more than 20 years of industry experience, Paul Jeffers provides EHS Support’s clients with the kind of technical expertise that drives projects and provides practical, long-term solutions.Throughout his career Paul has conducted and managed numerous multidisciplinary soil and groundwater contamination assessments. These have included collecting and interpreting field data, constructing conceptual site models, numerical models, and data visualization. He has also developed conceptual hydrogeologic models for sites located in geologically complex areas that included fault block basins, fractured bedrock, tilted, and faulted sedimentary rocks. Additionally, he has developed sampling and analysis plans, provided data interpretation, obtained regulatory closure for sites, and supervised field activities. Paul’s hydrogeologic experience includes groundwater flow and transport modeling (MODFLOW, MODPATH, MT3DMS), calibration codes (PEST, UCODE), Groundwater Vistas and Visual MODFLOW interfaces. He is proficient in the use of C Tech’s Earth Volumetric Studio 3D visualization modeling software and in computer operations involving ArcGIS Desktop, AQTESOLV, Surfer, KT3D_H2O, R Studio, and gINT.

Service Areas