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The Experience of the St. Paul District Corps of Engineers, with State Coordination of Dredging Activities

by Robert J. Whiting, US Army Corps of Engineers, Project, Evaluation Section, St. Paul, MN, USA,



Document Type: Proceeding Paper

Part of: Dredging and Dredged Material Disposal

Abstract:

The St. Paul District annually dredges about 1 million cubic yards of predominately clean sandy river sediments. Most of this volume comes from our maintenance of 284 miles of the 9-foot channel project on the Upper Mississippi River above Guttenberg, Iowa. The District has gained a great deal of experience in coordination of the Clean Water Act requirements of dredging operations with State resource agencies. The States of Minnesota, Iowa, and Wisconsin have very demanding water quality standards to protect their natural resources. These States vigorously demand compliance unless placement sites which meet their satisfaction are used or emergency channel conditions exist. Basically, this involves diking of placement sites to provide containment regardless of sediment quality. The District has encountered a number of problems in attempting to comply with State requirements.

Subject Headings: Dredging | Rivers and streams | Water quality | Sediment | Laws and regulations | Federal government | Clean Water Act | United States | Iowa | Mississippi River | Minnesota | Wisconsin

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