94 Gifford Street Falmouth MA 02540


Capabilities                                                                                                                                                                     View Sample Data Products

Hydrographic Surveying & Mapping


  • Single and multibeam bathymetric surveys, Class 1 for dredge payment
  • Ultra-high resolution multibeam and side-scan sonar debris surveys
  • Existing conditions and navigational clearance surveys
  • Bridge scour and inspection surveys
  • Cable and pipeline surveys
  • Coastal mapping
  • LIDAR – laser scanning surveys

Environmental Monitoring

MGP Water Quality Buoy

  • Water quality monitoring buoys
  • Onsite water quality sampling and monitoring and sampling
  • Regulatory compliance programs
  • Remote monitoring and data acquisition systems for terrestrial and oceanographic applications
  • Access to real-time data through website and event email notification

DQM – Dredging Quality Management

DQM Ocean Disposal

  • Compliance with Army Corps’ Dredging Quality Management (DQM) specs
  • Rental, installation, certification, data reporting, and support
  • Contractor coordination and representation with the DQM Support Center and EPA and Army Corps Districts
  • Systems available for all profiles

Dredging and Construction Support


Environmental Dredging

Steele Associates has provided surveying and support services on some of the more technically challenging harbor, port, and marine terminal dredging projects. Our hydrographic surveyors and field engineers have extensive experience with environmental dredging, including the nation’s largest environmental dredging project.

  • Multibeam surveying and dredge volumetric analysis
  • Ultra-high resolution multibeam and side-scan sonar imagery surveys
  • Subsea and underwater positioning and surveys
  • Positioning system sales, installation, service and support
  • Environmental dredging support