Serving Maine, New Hampshire, Massachusetts, Connecticut, Rhode Island, & Vermont

info@rwg-a.com
207-286-8008

Geohydrology and Environmental Consulting Services


Beneficial development and protection of environmental resources and protection of human health are foundations of low impact and sustainable development. Essential services we offer to help you understand your site's opportunities and manage risks include:

  • Phase I Environmental Site Assessments
  • Phase II Environmental Site Assessments
  • Property Transfer/Due Diligence Investigations
  • Remedial response and action plans
  • Public and private water supply and protection (potable and irrigation)
  • Subsurface wastewater disposal
  • Sand & gravel pit and rock quarry feasibility and permitting
  • Regulatory compliance monitoring
  • Underground storage tank facility assessment
  • Coastal sand dune delineation
  • Site development permitting support

We use a multi-disciplined approach to environmental consulting, integrating our collective expertise in geological, geohydrological, and engineering problem solving.

Public and Private Water Supply Well Development

Developing and registering a new groundwater supply requires selecting a location with sufficient quality and yield, and evaluating the land surface area from which the well draws. We are experienced in providing these services for both deep rock and gravel wells:

  • Groundwater source potential assessments
    • Geologic mapping
    • Fracture trace analysis
  • Pumping test design and analysis and safe yield determination
  • Well installation observation and documentation
  • Well head protection planning

Subsurface Wastewater Disposal

  • Drip dispersal effluent disposal
  • Nitrogen/nitrate plume migration and attenuation
  • Seasonal high groundwater assessment
  • Groundwater mounding and flow directions
  • Wellhead protection plans
  • Pre-development water quality assessments
  • Post-development water quality monitoring network

Aggregate and Clay Pit and Rock Quarry Planning and Permitting

  • Quality and quantity assessments
  • Groundwater level and flow directions
  • Groundwater quality sampling¬† and testing
  • Groundwater protection plans
  • Disposal of solid waste (stumps and land clearing debris)
  • Reclamation and wetland creation
  • Pre-blast surveys and vibration monitoring

Water Quality and Level Monitoring Wells

  • Public water supplies
  • Public and commercial sanitary landfills
  • Wastewater treatment plants
  • Golf courses
  • Residential subdivisions and developments
  • Public water supply protection
  • Hazardous waste site remediation projects
  • Underground fuel storage tank facilities
  • Land application of waste water

Petroleum & Hazardous Wastes

  • Petroleum and hazardous waste environmental site assessments
  • Fate and transport modeling of groundwater contamination
  • Soils and water for site suitability and chemical and biological contamination
  • Leachate collection and monitoring programs
  • Closure plans for both public and private landfills
  • Assessment and closure of underground storage tank facilities
  • Remediation plans including Brownfields and Maine Voluntary Remedial Action Plans

Computer Modeling

  • Groundwater movement and environmental outcomes
  • Fate and transport modeling of groundwater contamination
  • Delineating wellhead protection areas
  • Demonstrate effectiveness of groundwater protection and contamination mitigation
  • Nitrogen/nitrate plume migration and attenuation

Documentation & Groundwater Permitting

Applications for groundwater discharge and withdrawal permits and many other requirements of state, federal, and local agencies must be based upon accurate and carefully documented research and analysis. Our staff is experienced not only in compiling and presenting this documentation, but also acting as a liaison between our clients and the permitting authorities.