- Table of Contents   Columbia River Estuary Dredged Material Management Plan

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

  

GUIDELINES

Disposal
1. In-water Disposal

e. Monitoring

A monitoring program shall be established prior to undertaking in-water disposal. The program should, at a minimum, characterize baseline conditions both prior to and subsequent to disposal.

Prior to any in-water disposal the sediment shall be tested according to the procedures found in the Dredged Material Evaluation Framework (DMEF).

The monitoring requirement may be discontinued when adequate information has been gathered to determine impacts and establish an agreed-upon disposal volume and methodology. It can be reestablished upon any significant alterations to the disposal practice.

Monitoring may be waived on small projects where the impacts would be undetectable. A decision to waive the requirement shall be made in coordination with the appropriate State and Federal regulatory agency(s).