P.O. Box 649, Falmouth MA 02541



Hydrographic Surveying & Mapping

  • NSPS / THSOA Certified Hydrographers 
  • Dredge Payment Surveys
  • Cable and pipeline surveys
  • Unmanned underwater AUV and ROV, and surface vehicle surveys
  • Vessel based lidar and aerial drone topographic surveys
  • Side-scan sonar, magnetometer, and sub-bottom profile surveys

Environmental Monitoring

  • Water quality monitoring buoys
  • On-site water quality sampling and monitoring and sampling
  • Regulatory compliance programs
  • Remote monitoring and data acquisition systems
  • Exceedance email alert

DQM – Dredging Quality Management

  • Compliance with Army Corps’ Dredging Quality Management (DQM) specs
  • Contractor coordination and representation with the DQM Support Center, EPA, and Army Corps Districts
  • All DQM profiles and state or contract specific requirements
  • Rental hardware

Dredging and Construction Support

Steele Associates provides hydrographic surveying and engineering support for technically challenging marine construction and complex dredging projects. Our certified hydrographers and engineers have extensive experience on large scale U.S. Army Corps of Engineers, environmental and private dredging projects. Projects range from small boat harbors to U.S. Naval submarine facilities.

– Consulting
– Project engineering
– Preparation of reports and submittals
– Volumetric quantity calculations
– Production analysis
– Remote positioning system support
– Autonomous survey vessel rental,  remote operation, and data products
– Support services for project requirements as needed