GMA is well known for specialization in geologic, hydrogeologic, and engineering consulting in water resource exploration, development, and sustainable management. Over the last 30 years, our clients have included major industry, Federal, State, and municipal governments, private businesses, mines, developers, and homeowners throughout North Carolina and the region.
GMA’s focus on groundwater and surface water resource evaluation, sustainable development, wise management, and resource protection distinguishes us from other consulting firms. Decades of experience has given us the ability to identify, evaluate, and implement innovative solutions to the unique problems that are often encountered in subsurface investigations and resource development. This experience enables us to successfully meet the needs and schedules of our clients.
Our Groundwater Exploration and Development Services include:
Hydrostratigraphic Framework Studies
- Surface and Subsurface Geologic Mapping
- Sustainable Yield Analysis
- Groundwater Quality Delineation
- Wellfield Development Projections
- Site and Wellfield Conceptual Modeling
Well Siting and Design
- Aquifer Development Evaluations
- Well and Wellfield Design and Permitting
- Wellfield Operational Strategies for Sustainable Withdrawals
- Fracture Trace Analyses and Well Siting Evaluations for Piedmont Wells
Exploration and Testing
GMA is your source for geologically-realistic groundwater modeling
- Aquifer Testing Planning and Execution
- Analysis of Aquifer Tests for Hydraulic Properties
- Groundwater Modeling and Pumping Simulations
- Saltwater Intrusion Evaluations and Projections
- Aquifer Storage and Recovery (ASR)
- Water Quality Evaluations for Water Treatment
- Exploration of Alternative Groundwater Sources
- Water and Waste Water Treatment and Disposal
- Hydrogeologic Descriptions (per 15A NCAC 02T)
- Groundwater Mounding Studies and Modeling
- High-Rate Infiltration Evaluations
- Waste Water Spray Field Analyses and Modeling
Well Management and Rehabilitation
- Analysis of Lost Well Capacity
- Well Rehabilitation Plans to Restore Well Yields
- Well Relining Designs for Damaged or Failing Wells
- Wellfield Operation Plans to Minimize Well Interference
Water Supply Permitting and Protection
Drought is common in the Southeast USA!
- Well Construction and Withdrawal Permitting
- Capacity Use Area Compliance
- Public Water Supply System Approvals
- Wellhead Protection Plans (WHPP)
Recent Water Resources Clients
- Onslow Water and Sewer Authority, NC
- Hilton Head Public Service District, SC
- ASR Systems, FL
- Greenville Utilities Commission, NC
- Carollo Engineers, ID
- South Island Public Service District, SC
- City of Jacksonville, NC
Examples of Recent Projects
- South Island Public Service District ASR Project
- Brunswick County ASR Feasibility Study
- Onslow County Hydrostratigraphic Framework
- Hilton Head Public Service District ASR Project
- Martin Marietta Materials – Vanceboro Quarry
- New Bern Castle Hayne Aquifer Wellfield
- Onslow Water and Sewer Authority – Hubert, Dixon, and Highway 50 Wellfields