DEA has a long history of providing hydrographic and land surveying services to the Walla Walla District, including several surveys on the Columbia, Snake, and Clearwater Rivers.
DEA Marine Services is providing hydrographic surveying and consulting services to the Port of Long Beach (POLB) to update bathymetry of the harbor suitable for POLB’s Harbor Sounding Program as well as to update the local Pilot database and provide data to NOAA for nautical charting.
DEA Marine Services provided emergency response services to support the opening of critical ports following the landfall of Hurricane Ida in 2020. Under a task order for the National Oceanic and Atmospheric Administration (NOAA) Office of Coast Survey, DEA conducted 24-hour operations to survey the approaches to Port Fourchon and Houma, Louisiana.
DEA Marine Services performed hydrographic surveys of approximately 260 miles of the lower Mississippi River in support of NOAA Office of Coast Survey’s Precision Charting Initiative.
Since 2018, DEA Marine Services has provided hydrographic surveying and geoscientific consulting services as part of the Upper Columbia River Remedial Investigation and Feasibility Study.