Sioux City

Since 2006, our Sioux City team has worked closely with Terracon’s Omaha office to provide environmental consulting, geotechnical engineering, and materials testing services to serve a variety of clients and projects. Industries we serve include the commercial and retail, transportation, municipal, Federal, healthcare, education, and agricultural clients.

• Environmental Services
  • Phase I and II Site Assessments
  • Asbestos and Lead Paint Consulting
  • Industrial Hygiene
  • NEPA, Natural and Cultural Resources
  • Regulatory Compliance
• Geotechnical Services
  • Earth Structures, Slope, and Retention System Design
  • Pavement Management, Evaluation, and Design
  • Soil Stabilization and Ground Improvement
  • Foundation Analysis and Design
  • In-situ Testing and Performance Monitoring
• Materials Services
  • On-site Observation and Monitoring
  • Construction Quality Control and Quality Assurance
  • Design and Review of Concrete, Grout, Asphaltic Concrete, and Slurry Mixes
  • Special Inspections
  •  ADOT Validated Laboratory
  • This location is accredited through the AASHTO Accreditation Program (AAP)
  • United States Army Corp of Engineers (USACE) validated laboratory