Our Clients

Government, Business, and Industry

GMA offers a wide variety of consulting services to governments, water providers, businesses, and industry, including:

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  Groundwater Exploration, Development, and Management

  • Hydrostratigraphic Framework Studies
  • Exploration, Testing, and Well Siting
  • Aquifer Storage and Recovery (ASR)
  • Modeling, Well Management, and Well Rehabilitation
  • Water Supply Permitting/Protection/Sustainability
  • Water and Waste Water Treatment Related Services
  • Wastewater Disposal and Spray Field Evaluations
  • Hydrogeologic Descriptions for Wastewater Disposal (15A NCAC 02T rules)

Currituck Commercial UST removal

  Environmental Services

  • Phase I and II Environmental Site Assessments (ESA)
  • Landfill and Hazardous Waste Site Monitoring and Compliance
  • Spill Prevention, Control, and Countermeasure (SPCC) Plans
  • Aboveground and Underground Storage Tank Services


 Civil and Environmental Engineering

 Field Services

 Drilling Services

 Litigation Support and Expert Witness Services

Property Owners, Real Estate Agents, and Lenders

GMA can help property owners navigate the surprisingly complicated process of removing and assessing a leaking underground storage tank (UST). Please visit our UST Services webpage for more information and answers to Frequently Asked Questions. The links below provide additional information about what to expect if you need to have a gasoline or fuel oil storage tank removed from your home or property and contamination is encountered.

  Tank Owner Fact Sheets:

  What to Expect with the Process of Removing a Leaking Underground Storage Tank   small-thumbnail-pdf

  What to Expect if a Notice of Residual Petroleum (NORP) is required by NCDENR   small-thumbnail-pdf

Surface Mining Companies

Rock hammer-Clarks Quarry-New Bern NCGMA offers consulting to surface mining companies, including:

  • Mine Dewatering and Water Management
  • Groundwater Exploration and Development
  • Computer Modeling of Groundwater and Contamination
  • Ore Assessment and Depletion Evaluations
  • Field Services, Operator Training, and More!

Law Firms and Lenders

If you want real-world experience to support the credibility of your expert witnesses, then look no further than GMA!  stream contamination from miningOur senior staff has been providing litigation support and expert witnessblue-marble-1972 testimony for environmental claims for more than 20 years. GMA offers a wide variety of environmental field and assessment services, and we have conducted numerous environmental site assessments in support of lending and due diligence requirements. Information about different types of ASTM-compliant environmental site assessments for property transactions is provided at the end of the FAQ located here.