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Indiana Department of Environmental Management

IDEM > Environmental Cleanup > Geological Services Geological Services

Recovery Well Placement diagram

Recovery Well Placement

Providing quality professional geologic related advice and services to the Office of Land Quality (OLQ), other IDEM programs, state agencies, U.S. EPA, consultants, and the public.

Program Responsibilities

Geological Services determines groundwater flow parameters including contaminant travel times and directions; effectiveness of monitoring well networks (including compliance with IDNR well installation rules), and evaluates the interactions of contaminated soils with groundwater to determine soil and ground water remediation system effectiveness. Geological Services staff explore sites for features which impact contaminant migration (e.g. karst, sediments, bedrock, and topography). The section staff develops and interprets technical guidance and assists enforcement when needed.

Core Customer Base

Office of Land Quality programs include:

Specific Services

  • Work plan and sampling plan review and evaluation
  • Site characterization
  • Technical assistance
  • New technology review and evaluation
  • Sampling plan development
  • Evaluate proposed models (e.g. groundwater flow and chemical fate & transport)
  • Evaluate technical aspects of Excess Liability Fund reimbursement requests
  • Determine existence and impact of karst conditions in contaminated areas
  • Develop requirements and evaluate submittals for broad agency announcement (BAA) team
  • Oversee or perform field investigation
  • Perform geophysical investigations
  • Provide geophysical analyses
  • Oversee technical aspects of remediation site work
  • Provide geologic training
  • Operation & Maintenance data review - groundwater monitoring data
  • QA/QC on projects (audits) and contractors
  • Evaluate no further action requests
  • Provide technical advice for guidance and rule development (e.g. Ground Water Task Force and IDNR water well rules)

Additional Resources

If you have additional geological questions about remediation or site characterization, please contact IDEM via email at "info at", or by phone at (317) 232-3215.