Environmental Services Principal

Erik Nielsen, P.G., C.H.G.

Environmental Services Principal

Erik has 25+ years of experience in environmental and applied geology and hydrogeology, working with federal, state, and local regulatory agencies.  His experience includes project management, subsurface investigation, site remediation, plan and procedure development, bid preparation, permitting, and subcontractor selection.  He has prepared interpretive reports, preliminary plans, working drawings, construction documents, and cost estimates for assessment and remediation projects.  His field experience includes excavation, drilling, soil and groundwater sampling, hydrogeologic interpretation, aquifer characterization, lithologic and geophysical logging, well design and installation, and stormwater compliance.  Erik has worked in areas contaminated with VOCs, fuel hydrocarbons, metals, pesticides, radioactive materials, and explosives.

Certifications and Associations


Corporate Office:

812 W. Wabash Ave.
Eureka, CA 95501-2138
Tel: 707-441-8855
Fax: 707-441-8877

Office Locations:

  • Arcata, CA
  • Eureka, CA
  • Fort Bragg, CA
  • Redding, CA
  • Willits, CA
  • Coos Bay, OR
  • Klamath Falls, OR

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