Confined Disposal in the Canadian Great Lakes
The dredging activities of Public Works Canada, Ontario Region, extend over most of the Canadian Great Lakes thereby significantly impacting on its environment. The paper presents a brief review of current practices for disposal of contaminated dredged material. An overview of criteria/guidelines pertaining to environmental assessment and classification of dredged material is presented. The bulk of the contaminated dredged material is disposed of in engineered disposal facilities. The paper outlines distinctive design and construction features including a synopsis and results of various environmental monitoring programs in place at some of the major facilities in the Region.