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Scientists monitoring water in Portland, ME

Groundwater Management

Advanced Groundwater Restoration Under NPDES Standards

Overview

Our groundwater management services provide comprehensive hydrogeological assessments, monitoring well installation, and aquifer protection strategies. We deliver data-driven solutions for water resource sustainability, contamination prevention, and regulatory compliance to ensure long-term groundwater quality and availability.

Initial Assessment and Planning

  • Hydrogeological Assessment: Install monitoring wells to characterize groundwater flow and collect samples for contaminants (e.g., VOCs, PFAS). Map plume extent.

  • Regulatory Review: Ensure compliance with National Pollutant Discharge Elimination System (NPDES) permits and MCP groundwater standards

    • Treatment Plan: Design a treatment system (e.g., pump-and-treat, in-situ chemical oxidation) based on contaminant type and plume characteristics. Submit a plan to MassDEP.

Picture of Deer Island before TERRA environmental cleanup
TERRA testing groundwater

Remediation Process

System Installation: Deploy treatment infrastructure, such as extraction wells, treatment units (e.g., carbon filtration), and discharge systems. Monitor system performance.

Operation and Maintenance: Regularly sample treated groundwater to verify compliance with NPDES limits. Adjust treatment parameters as needed.

Progress Reporting: Submit periodic status reports to MassDEP, documenting treatment efficacy and groundwater quality improvements.

LSP Signoff and Documentation

Closure Sampling: Conduct final groundwater sampling to confirm contaminant concentrations meet MCP standards or background levels.

LSP Signoff: The LSP reviews treatment data and closure sampling results, signing off on the Permanent Solution Statement or Remedy Operation Status (ROS) submission.

Decommissioning: Dismantle treatment systems, restore the site, and provide a final report to the client with NPDES compliance documentation.

TERRA testing groundwater

Partner with TERRA Environmental

Protect this vital resource with expert groundwater assessment, monitoring, and remediation services. Our hydrogeologists and engineers design cost-effective treatment systems that address contamination while protecting water supplies. Whether you need pump-and-treat systems, in-situ remediation, or long-term monitoring programs, we'll develop solutions that meet regulatory requirements and restore groundwater quality.

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