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 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.
DEA provided 3D laser scanning services for this 250 acre landfill and the on-site operations building.