Hydrographic/Bathymetric Services
Full-service capabilities with advanced data solutions.
Colliers Engineering & Design’s hydrographic professionals have full hydrographic surveying capabilities and a proven track record having successfully completed numerous, multi-faceted marine mapping projects. Our team has over 20 years of experience using the latest technology and hydrographic surveying standards to provide superior services and products to our clients.
Our teams provide high-quality deliverables for a wide array of services for coastal and inland waterway projects throughout the United States. We work with a diverse clientele from the largest dredging contractor to local coastal engineering firms. Our experience has given us the flexibility to deploy a variety of vessels and technology to match the scale of any marine project including multiple survey vessels to remote USVs (unmanned survey vessels) to ensure every project is performed safely and efficiently.
Our Technologies
- Acoustic Doppler Current Profiler/Meter
- Gradiometer
- Magnetometer Towfish
- Mesotech Scanners
- Motion Reference Units
- Multi-beam Sonar
- RTK-GNSS
- Side Scan Sonar
- Single-beam Sonar
- Sound Velocity Probe
- Sub-bottom Profiler
Services
- 3D Underwater Mapping
- Bathymetric Surveys
- Beach/Shoreline Mapping
- Coastal Design Support Surveys
- Depth of Cover Surveys
- Dive Support
- Dredging Support Surveys
- Harbor/Dock Clearance Surveys
- Hazard Surveys
- Marine Construction Support
- Multi-beam Sonar Surveys
- Post-Storm Condition/Debris Mapping
- Recovery Support Surveys
- Submerged Utility Location Mapping
- Volume Surveys
Let's talk about your next project.
Our multidisciplinary approach to design, combined with a deep understanding of the industry and passion for innovation, has positioned us as leaders consistently delivering outstanding results in shaping the built environment.
Newsroom
Articles

Supporting Wings: How Aviation and Civil Engineering Merged into a Path of Community Service
On the western edge of metropolitan Phoenix resides a powerhouse of global fighter pilot training – Luke Air Force Base. It’s where more than 6,000 personnel develop and train US and partner
Blogs

2025 8th Annual Fiesta
Celebrating a San Antonio Tradition & Honoring Our Clients Despite a week of rainy forecasts, our 8th Annual Fiesta unfolded under perfect conditions on Thursday, April 24th—mild sunshine with a gentle breeze
Events

TSPS Annual Convention and Tech Expo
Join our team at the 74h Annual Texas Society of Professional Surveyors (TSPS) Conference and Tech Expo from October 8-11 in San Antonio, TX