Mining Reclamation


HGL provides expert planning, design, and restoration services to federal and state regulatory agencies, management organizations, and enterprises engaged in mine site operations and reclamation. As the world’s demand for mineral resources grows, HGL recognizes the increasing importance of developing sustainable solutions that prevent future adverse effects and account for the complex physical, biological, and geochemical conditions that exist at mine sites. HGL employs best management practices and use industry-leading modeling tools and technologies to design and implement innovative, cost-effective solutions to the environmental challenges faced at active and abandoned mine sites. HGL’s expertise encompasses the following service areas:

  • Property Ownership/Claim Analysis
  • Groundwater/Surface Water Modeling and Planning
  • Subsidence Investigation and Adit Closure
  • Consumptive Use Permitting
  • Water Management, including Dewatering and Stormwater Capture
  • Hydrology and Hydraulics
  • Field Sampling and Analysis
  • Biological Treatment
  • Human Health and Ecological Risk Assessments
  • Feasibility Studies
  • Remedial Design
  • Remedial/Removal Action
  • Geomorphological Restoration
  • Habitat Restoration
  • Treatment System Design and Operation
  • Design and Construction of Passive Treatment Systems
  • Optimization of Treatment Systems and Water Handling
  • SCADA System Installation and Monitoring
  • Long-Term Operation and Monitoring
  • Ancillary Construction Services Support
  • Expert Testimony and Litigation Support

The following two projects demonstrate HGL’s expertise at mine sites:

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