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|Title:||Disposal of dredge spoil : problem identification and assessment and research program development|
|Authors:||Boyd, M. B. (Marden B.)|
Saucier, Roger T.
Keeley, John W.
Montgomery, Raymond L. (Raymond Lowree)
Brown, R. D.
Mathis, David B.
Guice, C. J.
|Publisher:||Hydraulics Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical report (U.S. Army Engineer Waterways Experiment Station) ; H-72-8.|
Abstract: The Corps of Engineers, in fulfilling its mission in developing and maintaining the nation's navigable waterways, will continue to be responsible for extensive dredging operations. Considerable concern has developed as to the environmental impact of the operations, with particular emphasis on open water disposal, especially that involving spoil materials containing pollutants. As a partial solution to the problem, the Corps was authorized to conduct a four-phase comprehensive nationwide study of the environmental impact of current disposal operations, including research leading to new or improved spoil disposal practices. This report contains the results of the first two study phases, i.e., problem identification and assessment and research program development. As a result of the assessment, it is concluded that the nature and magnitude of effects of dredging and spoil disposal on water qual1ty and aquatic organisms are quite poorly known and require extensive research. Since the consequences of confined land disposal are similarly poorly known, considerable research is needed to make this a viable disposal alternative. Research is needed to develop and implement pollution criteria for use in disposal alternative decision making, as existing criteria have major identifiable weaknesses in implementation rrocedures, scope, and application. A broad-based research program is outlined and recommended to develop a wide choice of technically satisfactory, environmentally compatible, and economically feasible disposal alternatives to cover the wide variety of dredging and disposal operations and environments. In addition to extensive research concerning the effects of dredging and open water disposal on water quality and aquatic organisms, ways would be sought to facilitate and improve the overall effectiveness and acceptability of land disposal. Attention would also be devoted to modifying dredge plant equipment and operational procedures to reduce environmental impact, and to physical, chemical, and/or biological spoil improvement methods. Major attention would be given to considering spoil as a manageable resource, including utilization lor marsh creation, wildlife habitat improvement or development, and beach nourishment. Completely new disposal concepts would be considered along with utilization of spoil for productive uses such as landfill and land enhancement. The recommended research program would cost about $30,000,000 over a live-year period and would be accomplished by numerous groups and agencies under the direction of a multidisciplinary team. NOTE: This file is large. Allow your browser several minutes to download the file.
|Rights:||Approved for public release; distribution is unlimited.|
|Appears in Collections:||Technical Report|
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