The engineers, geologists, and scientists of SEMS understand complex environmental issues and the need to eliminate unacceptable risks. Our remediation team manages environmental contamination employing experience, expertise, and technology to execute the best solution for your environmental challenge. Remediation can be a complex experience for clients, and SEMS understands the importance of trust throughout the process. Our professionals work together to design the most cost-effective remedial plans for our clients, providing a safe and compliant solution. SEMS provides our clients with remediation solutions that are built on a foundation of engineering, scientific data, historical data, and in-field experience. Our turnkey services enable us to confidently complete projects safely, on schedule, and within budget for our clients. SEMS brings a high level of innovation to our remediation projects; our team utilizes various remedial technologies.

Since 1992, SEMS has been performing comprehensive remediation services to help client achieve their goals while protecting the environment.

Remediation Services:

  • Soil & Groundwater treatment
  • Excavation, transportation, and disposal of contaminated soil
  • Pond closure and dewatering
  • Ash Basin Closure
  • Landfill closure
  • Levee repair
  • Dredging
  • Product Recovery


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  • Material Processing
  • Hazardous material removal
  • Site restoration
  • Installation of soil/ground water treatment systems
  • In-Situ chemical oxidation (ISCO) Injection
  • On-site remediation of contaminated soils
  • Waste Minimization
  • Underground Storage Tank Services
  • PFAS, PFOA, and PFOS Remediation