Title

Columbia River Estuary Dredged Material Management Plan

Table of Contents

List of Tables

List of Figures

Acknowledgments

Introduction
Purpose and Plan Content

Plan Revision Process
Definitions

Guidelines
General Dredging and Disposal

Dredging
Dredged Material Disposal
Site Selection and Site Reservation
Dredging and Dredged Material Disposal Use and Activity

Plan Implementation
Local Jurisdiction Review

Tracking Use of Disposal Sites
Regional Coordination

Site Inventory
Site Inventory
Oregon
Washington
Map

Appendices
Appendix A - Dredging Options

Appendix B - Disposal Options
Appendix C - Beneficial Use Options
Appendix D - Agency Standard Removal/Fill Permit Conditions
Appendix E - Summary of Site Inventory Revisions
Appendix F - Overview of Dredged Material Management Regulations
Appendix G - Summary of Sediment Quality

 

LIST OF FIGURES

Figure A-1: Pipeline Dredge
Figure A-2: Dredge Essayons
Figure A-3: Hopper Dredge
Figure A-4: Clamshell Dredge

Figure B-1: Bermed upland disposal site
Figure B-2: Leveed upland disposal site
Figure B-3: Flow lane disposal from a Hopper dredge
Figure B-4: Pipeline Dredge pumping dredged material from Harrington Sump (O-21.0) to Rice Island (O-21.2)
Figure B-5: Dredge pipes transporting dredged material from the Pipeline Dredge to Rice Island (O-21.2)
Figure B-6: Contained Disposal Facility
Figure B-7: Contained Aquatic Disposal