P.O. Box 649, Falmouth MA 02541

Hydrographic Surveys and Mapping

Fore River Bridge Replacement Project Hydrographic  Surveys, 2012-2020, Quincy and Weymouth, MA

Hydrographic and Geophysical Surveys

Steele Associates’ NSPS / THSOA Certified Hydrographers are recognized for our experience and ability to effectively support technically challenging projects. Our extensive equipment pool and highly skilled personnel  are well suited for top tier project support throughout the northeast.

Our vessels are based in Falmouth and Boston, MA, and are available for inshore and offshore surveys throughout New England waters.

Please contact us to discuss specific project needs.

Hydrographic Surveys and Mapping

Surveying Services:

  • Multibeam bathymetry
  • Single beam
  • Side-scan sonar
  • Magnetometer
  • Sub-bottom profile
  • USBL positioning
  • Vessel-mounted lidar
  • Aerial drone photogrammetry


  • Class 1 Dredge payment surveys
  • Inspection surveys
  • Autonomous Underwater Vehicle (AUV)
  • Autonomous Surface Vehicle (ASV)
  • Aerial drone topographic surveys
  • Bridge construction and scour surveys
  • Environmental dredging
  • Debris and hazard mapping
  • Cable and pipeline surveys
  • Beach profiles