HYDROGRAPHIC SURVEYING
TWM offers a highly skilled team of professionals who measure and map water bodies and accompanying shorelines to provide high resolution 3D images accurately and safely.
WHAT WE DO
Our hydrographic surveying services include measuring depths for dredging, locating, and mapping debris fields or submerged obstructions, and preparing for underwater construction. Using high frequency single-beam sonar systems, TWM performs hydrographic surveys that capture full coverage of a project area and all necessary data.



Measuring & Mapping Data for Water-Dependent Projects
We provide a full range of services to governmental agencies, public institutions, and private companies to support waterfront development, dredge surveys, environmental remediation, and other water dependent engineering projects. Our surveying team is highly skilled in completing complex hydrographic surveys using the latest technology and processing techniques to produce bathymetric mapping datasets. This experience ranges from inland waters and rivers to ports and offshore environments.

TYPICAL PROJECTS
OTHER GEOSPATIAL SERVICES
TWM separates itself from the competition by using state-of-the-art technology for data collection. Besides traditional surveying methods, we own, operate, and test reality capture tools daily, including UAVs, mobile/terrestrial LiDAR units, and the accompanying software.
EXCEPTIONAL SERVICE. NOTHING LESS.
That’s our company mission and our promise to you. Our success is built upon a solid reputation for getting the job done right. One thing we are particularly proud of is approximately 95% of TWM’s work comes from repeat business. We believe our resolution of challenges sets us apart, and based on our level of repeat business, we think our clients will agree.