As part of our services, we provide state-of-the-art land and water bathymetry and land mapping services for a variety of clients and projects throughout North America. ERS uses technologically advanced methods for mapping ponds, lakes, streams, rivers, canals, wetlands, right of ways, wildlife habitat, and other land and water features. Our mapping services and products are second to none and provide managers and scientists with the most accurate information available on the market.


ERS is a fully trained, certified and capable business that can perform both small- and large-scale hydrographic and sub-bottom profile surveys on lake and river systems for a wide range of clients. We work directly with government agencies, lake associations, engineers, developers and dredging companies. Our company, staff and associates have been leaders in the development of tools and technology for hydrographic survey systems for over a decade.

Our bathymetric services include:


  • Hydrographic Surveying
  • Sediment Surveying (for pre-dredging planning and permitting; as well as post-dredging evaluation)
  • Sub-Bottom Profiling
  • Side Scanning Sonar Data Collection
  • Lake Bottom Hardness Analysis
  • Capacity Curve Analysis
  • Sediment Quantity Analysis
  • Invasive Vegetation Mapping (aquatic and terrestrial)
  • Land and Wildlife Habitat Mapping
  • Wetland Delineation and Mapping (for impact analysis, permitting and mitigation)
  • Bio-Volume Vegetation Mapping
  • SonarWiz, Hypack and Dredgepack Data
  • Profile (Thalweg) Survey
  • GIS Data Processing and Analysis

BATHYMETRY  AND  GIS  SERVICES