GIS and Mapping


ALWI uses the latest Geographic Information Systems (GIS) and Global Positioning Systems (GPS) technology to maintain the highest standards of spatial accuracy and precision. These technologies are inseparable components of our core water supply, wastewater and environmental services. We also provide GIS as a stand-alone professional service.

GIS Mapping Portrays Areal Hydrologic Effect of Construction Dewatering Project

ALWI integrates traditional analysis tools (charts, tables, and graphics) with geographic data in order to create powerful maps and figures. For example, these are easily integrated into presentations, web sites and other formats and uses. We perform five key tasks in the geospatial data management process: creation, integration, visualization, analysis, and presentation. We accomplish this in a manner that is both attractive and effective.

GIS Map Illustrates Differential Land Uses for Watershed-Wide Planning

Representative GIS Services

We provide a broad range of related professional services, including:

  • Planning, Launch and Start-up Services
  • GPS Field Mapping
  • Market Research (Demographics, Site Selection and Acquisition, etc.)
  • Utility Mapping (Water, Sewer, Stormwater, Telecommunications, etc.)
  • Geospatial Analyses (Land Use, Impervious Cover, Transportation, etc.)
  • Database Development and Management (Attributing, Organizing, etc.)
  • Professional Graphics (3D and 2D Maps, Charts, Tables, Animation, etc.)
  • Consultation and Maintenance
  • Training and Troubleshooting
GIS Shows Relation of Site Features to Areas of Contamination

Example GIS Clients and Beneficiaries

  • Municipalities
  • Water and Wastewater Utilities
  • Other Public Agencies
  • Real Estate Professionals
  • Land Use Planning Specialists
  • Land Developers and Investors
  • Architects and Attorneys
  • Business Owners and Investors
Regional Hydrologic Model Showing Effect of Large Groundwater Withdrawal



Environmental Services

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