TerraSond provides professional survey services around the world safely, effectively, and economically. Our services include hydrographic surveys, land surveys and marine geophysical surveys. We have an experienced team that includes ACSM Certified Hydrographic Surveyors, Registered Professional Land Surveyors, hydrographers, land surveyors, geophysicists, geologists, oceanographers, mariners, cartographers, and GIS and CADD specialists working with our own vessels and equipment, producing surveys and deliverables of the highest quality. Our clients range from oil and gas, pipeline, power and telecom, renewable energy, mining, survey and engineering, shipping, dredging and construction industries, to federal, state, local and foreign government agencies including port authorities, Departments of Transportation, the National Oceanic and Atmospheric Administration (NOAA), and the U.S. Army Corps of Engineers (USACE).

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Wells Dam Hydrographic and ROV Video Survey
Columbia River, Washington
Douglas County, Public Utility District No. 1 had a debris boom designed and constructed to stop and redirect logs and other debris before reaching the Wells Dam and spillways.
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