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Design of Confined Disposal Areas for Retention of Contaminants

by Michael R. Palermo, US Army Engineer Waterways Experiment Station, Water Resources Engineering Group, Vicksburg, MS, USA,



Document Type: Proceeding Paper

Part of: Dredging and Dredged Material Disposal

Abstract:

Dredged material which is unsuitable for disposal in open water due to the presence of contaminants is normally placed in confined disposal areas. The quality of effluent discharged from these sites is an environmental concern and is regulated as a dredged material discharge under Section 404 of the Clean Water Act. Further, water quality certification must be obtained from the respective state regulatory agencies and effluent standards may be set as a condition of the certification. Dredged material disposal areas must therefore be designed to efficiently retain contaminants during the disposal process. This paper describes procedures for designing new disposal sites or evaluating existing sites for retention of contaminants during active disposal operations.

Subject Headings: Dredged materials | Waste sites | Pollutants | Construction sites | Site investigation | Water quality | Effluents

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