The Corps of Engineers Dredged Material Research Program.
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
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The Corps of Engineers, in fulfilling its mission in the development and maintenance of the navigable waters of the United States, is responsible for the dredging of large volumes of sediment each year. Annual quantities approach 400,000,000 cu yd of dredged material each year for both maintenance and new work dredging, with costs exceeding 150 million. In recent years, concern has been expressed about these operations from a number of viewpoints including fish and wildlife considerations, effects on water quality, and land use impacts. Because of these concerns, the necessity to establish regulatory criteria, and the lack of definitive information on many important questions, the Corps was authorized by Congress in the 1970 River and Harbor Act to initiate a comprehensive study relating to the disposal of dredged material. The study was divided into four phases 1 problem identification and assessment, 2 development of a research program, 3 accomplishment of the needed research, and 4 field evaluation of new or improved disposal practices. This paper summarizes the results of Phases I and II, the problem identification and assessment, and the development of the research program. It describes specific conclusions reached in problem definition relative to open water disposal, land disposal, and marsh disposal.
- Construction Equipment, Materials and Supplies