Monitoring of an Ocean Dredged Material Disposal Site

by Jonathan E. Amson, US EPA, Criteria & Standards, Div, Washington, DC, USA,

Document Type: Proceeding Paper

Part of: Dredging and Dredged Material Disposal


The Tampa Harbor Project involves deepening and widening approximately 50 miles of existing shipping channel in Tampa Bay, Florida, with the removal of approximately 70 million cubic yards of dredged material. Some of the removed dredged material has been disposed of adjacent to the main channel, and some was used to construct diked disposal lagoons in upper Tampa Bay; however, a substantial amount of the dredged material has been barged beyond the limits of Tampa Bay for ocean disposal. The material disposed of is virtually uncontaminated, and is geologically laid-down consolidated clays, silts, and sands present since the formation of Tampa Bay approximately 20,000 years ago, due to the rise in sea level following the last Ice Age.

Subject Headings: Dredged materials | Bays | Consolidated soils | Clays | Waste sites | Freight transportation | Lagoons | Barges | Florida | United States | Tampa

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