• Investigation of Submarine Utility Crossings in Reach B, June 2011
• Investigation of Submarine Utility Crossings Stations 19+700 to 96+000, October 2012
• Investigation of Submarine Utility Crossings Stations 249+000 to 515+000, November 2012

• Delaware River Sturgeon Survey 2005 
• Horseshoe Crab 2005 
• Horseshoe Crab 2001 
• Sabellaria Monitoring 2004 
• Sabellaria Monitoring 2001
• Shorebird Monitoring 2001 
• Delaware River Main Channel Deepening Project Delaware Bay Winter Crab Survey 2002. 
• Appendices (A, B, and C)
• Delaware River Main Channel Deepening Project Delaware Bay Winter Crab Survey 2000/2001 Versar, Inc. Oct, 2001.
  • Addendum - Versar, Inc. June 2002
• Draft Pre-Construction Sabellaria Vulgaris Monitoring at Broadkill Beach Sand Placement Site, Sussex County, Delaware . Douglas C. Miller. September, 2001.  
• Draft Pre-Construction Horseshoe Crab Egg Density Monitoring and Habitat Availability At Kelly Island, Port Mahon, and Broadkill Beach Study Areas, Delaware . Richard G. Weber. September, 2001.
• Draft Oyster and Water Quality Monitoring Study for the Main Channel Deepening Project, Delaware Bay, New Jersey and Delaware. Versar, Inc., July 2001. (Final report available as of December 2001)
• Endangered Species Act Section 7 Consultation, Biological Opinion, Dredging Activities within the Philadelphia District . National Marine Fisheries Service. November, 1996.
• An Assessment of Key Biological Resources in the Delaware Estuary. Versar, Inc., June 1991. 
  • Appendices (A and B)
• The Delaware Estuary: Research as Background for Estuarine Management and Development. Jonathan H. Sharp. July, 1983.
• The Shallows of the Delaware River Trenton, New Jersey to Reedy Point, Delaware. John M. Tyrawski, March, 1979.

• Broadkill Beach Final Feasibility Report and EIS
• Broadkill Beach Final Appendix A Part 1
• Broadkill Beach Final Appendix A Part 2
• Broadkill Beach Final Appendices B-G

• Public Notice 
  • DRMCD Final Statement of Conformity - December 2009
  • DRMCD General Conformity Analysis & Mitigation Report - November 2009 (Revised December 2009)

• Public Notice - Updated Clean Air Act compliance plans for Delaware River Deepening 
  • DRMCD Draft Statement of Conformity - November 2009
  • DRMCD General Conformity Analysis & Mitigation Report - November 2009

• Public Notice - Clean Air Act - 2009 Conformity Determination 
  • DRMCD Draft Conditional Statement of Conformity
  • DRMCD General Conformity Analysis & Mitigation Report - Aug 7 2009 

• Op/Ed Column from LTC Thomas Tickner to News Journal (Wilmington, DE) Oct. 16

• Responses to Additional Questions to DNREC's Letter Dated December 21, 2001
• Responses to Exhibits/Transcripts submitted in DNREC's Letter Dated December 21, 2001
• Official transcript of the workshop  
• Supplemental Information
  • Purpose of supplemental information; clarification/additional info -- public workshop transcript; responses to public workshop letters; public workshop attendees
  • Additional Supporting Documents
    • Shortnose Sturgeon
    • Ground Water
    • Water Quality Monitoring
      • Salem River dredging operations
      • Pedricktown Confined Disposal Facility 
      • Killcohook Confined Disposal Facility

• Economic Analysis Summary Report - September 2011 
• Updated Economic Assessment of Relevant Market and Industry Trends - May 2011 
• Economic Update for FY 2011 Budget - December 2009 
  • Note: The Decision Document for the Project Partnership Agreement (PPA), which was executed with the Philadelphia Regional Port Authority (PRPA) in 2008, is the 2002-2004 Comprehensive Economic Reanalysis Report.
  • Note: The 2009 Economic Update was developed as part of the budgeting process & incorporates the latest applicable price level, and Federal discount rate, using as the basis the 2002-2004 reanalysis, and the most current (at the time) published data by the Waterborne Commerce Statistics Center (WCSC).
  • Note: Project economics are based on a 50 year period of analysis, incorporating secular trends in the economy and in the major commodities calling on the ports; short-term business cycle fluctuations are a consideration, but not the determining basis for the long term analysis.
• Economic Update - April 2008 
• (2004) Supplemental report confirms economic justification of Delaware River Deepening after independent review 
  • Memorandum to the Assistant Secretary of the Army for Civil Works 
  • Corps Headquarters Assessment of February 2004 Supplement and Issues Raised by External Panel
  • February 2004 Supplement 
  • January 2004 Final Report of External Review Panel
• (2002) Comprehensive economic reanalysis of Delaware River Main Channel Deepening Project finds project to be justified for construction
• December 2002 Comprehensive Economic Reanalysis Report
  • Appendix A, Cost Estimate 
  • Appendix B, Real Estate Plan 
  • Appendix C, Benefits Analysis 
• GAO Report, June 2002 
• ITR Costs, Moffatt and Nichol Aug 13
• ITR Costs, Moffatt and Nichol Dec 9
• Economic Benefits, DMA Report
• Economic Benefits, ITR Dec 18, Dr. Bronzini

• November 2013 Final Environmental Assessment
  • November 2013 Finding of No Significant Impact​
  • November 2013 Final Environmental Assessment Public Notice
• February 2013 Draft Environmental Assessment
  • Dredged Material Characterization for Reach E 
  • ERDC Hopper Dredge Overflow Report 
  • 2013 Public Notice 
• Public Notice 2011 - Final Environmental Assessment and FONSI 
  • Final Environmental Assessment - September 2011
  • Finding of No Significant Impact (FONSI) - September 2011 
  • Army Corps extends public comment period on Draft EA for Delaware River Deepening Project 
• Environmental Assessment - 2011
  • Draft Environmental Assessment 
  • Supplemental Biological Assessment                     
• Public Notice - Environmental Assessment - 2009 
  • Environmental Assessment - April 2009 
  • Appendix B - Essential Fish Habitat Assessment 
  • Delaware Deepening Period Extended
• Public Notice with Summary of Project and Environmental Changes
• Other Environmental Studies Performed since Completion of 1997 SEIS

• Record of Decision (Jan 1999) on Supplemental Environmental Impact Statement 
• Corps of Engineers responses to letters received on Final Supplemental Environmental Impact Statement 

Final Supplemental Environmental Impact Statement - July 1997

• Public Concerns & Study Findings 
• Abstract, table of contents, summary, Purpose and Need for Action 
• Proposed Plan of Improvement 
• Sediment Quality Investigations 
• Hydrodynamic and Salinity Modeling 
• Upland Dredged Material Disposal Sites
• Groundwater Investigations of Dredged Material
• Benthic Habitat Investigations
• Impacts Associated With Beneficial Use Sites
• Endangered Species Concerns 
• Cultural Resources 
• Oil Spill Coordination/Contingency Planning 
• Assessment of Impacts Associated With Rock Blasting
• List of preparers, public involvement, references, index  
• Appendices
  • A -- Correspondence
  • B -- Environmental Reports 
  • C -- Shoreline Erosion Investigation 
  • D -- Comments and Responses

• General Conformity Analysis And Mitigation Report (February 2004)
• Pre-Construction Oyster and Water Quality Monitoring Study for the Main Channel Deepening Project, Delaware Bay, New Jersey and Delaware. Versar, Inc., December, 2001 
  • Appendix A -- Daily Mean In-situ Water Quality Data Results
  • Appendix B -- Oyster Nutrient Data 
  • Appendix C -- Haskin Shellfish Research Laboratory Adult Oyster Report
  • Appendix D -- Haskin Shellfish Research Laboratory Oyster Dredge Efficiency Study
  • Appendix E -- Oyster Spat Length Frequencies 
  • Appendix F -- Sediment Profile Report
• Kelly Island Pre-Construction Monitoring Study in Delaware Bay – 2001
  • Chapters 1 & 2 
  • Chapter 3
  • Chapter 4 & 5 
    • Appendix A -- Water Quality Data
    • Appendix B -- Fisheries Data 
    • Appendix C -- Sediment Profile Imagery 
    • Appendix D -- Benthic Data 
    • Appendix E -- Sendiment Grain Size Curves 
• Finalized oil spill prevention plan for Delaware River and Bay. United States Coast Guard. August, 2000.
• Maintenance Dredging w/ Options for Deepening, Delaware River Philadelphia to the Sea, PA, NJ, and DE, Construction Solicitations and Specifications. IFB DACW61-00-B-0012, 9 May 2000. Philadelphia District. May, 2000.
• Final Interim Feasibility Study and Environmental Impact Statement
• Delaware River Dredging Disposal Study. Philadelphia District. June, 1984.
• Delaware Estuary Salinity Intrusion Study. Philadelphia District. December, 1982

• Project Partnership Agreement between the Department of the Army and Philadelphia Regional Port Authority for construction of the Delaware River Main Stem and Channel Project

• Cover letter
• Table of contents, type of project, basic application form, agent authorization, project fact sheet
• Channel Dredging
• Kelly Island
• Beach Placement
• Applicant's review
• Corps of Engineers responses to letters received on Final Supplemental Environmental Impact Statement
• U.S. Fish & Wildlife Service, Planning Aid Report, Beneficial Use of Dredged Material (August 1995) 
• Scopes of work for Water Quality Monitoring 
• Recent correspondence between the Corps of Engineers and the State of Delaware 
• Proposed buoy modifications and additions  

• Delaware River Sediment Analysis 2003 
• Near-Field Water Quality Modeling of Dredging Operations in the Delaware River . Versar, Inc. October, 2001. 
• Reedy Point South Water Quality Modeling . Versar, Inc. August, 2001. 
• Field Evaluation of Hopper Dredge Overflow for the Delaware River . Waterways Experiment Station, July 1999.
• Delaware River Philadelphia to the Sea Project High Resolution PCB Analysis of Channel Sediments . Versar, Inc. March, 1997.
  
• Results of Berthing Area Vibracore Sampling along the Delaware River from Beckett Street Terminal in Camden, NJ to Sun Oil Refinery in Marcus Hook, PA . Black and Veatch Waste Science, Inc, February, 1996. 
• Delaware River Comprehensive Navigation Study - Main Channel Deepening Project Biological Effects Based Testing of Channel Sediments . The Greeley-Polhemus Group, Inc, August, 1995. 
• Evaluation of Ground-Water Flow from Dredged Material Disposal Sites in Gloucester and Salem Counties, New Jersey . U.S. Geological Survey, May, 1995.
  

• National Park Confined Disposal Facility Water Quality Monitoring - Sept 2013 (appendix available upon request)
• Pedricktown South CDF Monitoring and Water Quality Monitoring at Point of Dredging - Oct. 2012
• Final Water Quality Monitoring Report for Reach C - September 2011

2015 Rock Probe Investigation (July 2015)

Delaware River Reach B Apache Probings

• Data By Hole (All Holes)
• Detailed Hole Log (Corrected)
• NEIT Summary by Hole 
• ROP Curves by Hole
• Summary of H and V Controls
• Thunderbird User Guide

XYZ All Areas

• Area A TOR
• Area B TOR
• Area C TOR
• Area D TOR
• Area E TOR
• Area F TOR
• Area G TOR
• Area H TOR
• Area I TOR
• Area J TOR
• Area K TOR
• Area L TOR
• Area M TOR
• Area N TOR
• Area O TOR
• Area P TOR
• Area Q TOR

• Geoacoustic Study of the Delaware Main Channel, 1996

• Reach B Resistivity Survey July 2012
• Final Resistivity Report, Oct. 2009

• Supplemental Geotechnical Subsurface Investigation, July 2012

• Geotechnical Sediment Investigation, September 2010

• Geotechnical Investigation Report, 2010: Proposed Rock Cut Areas, Delaware River  Tinicum to Marcus Hook, Pennsylvania , New Jersey, & Delaware

• Core Boring Data
• Core Boring Report

• Phase 1 Report
• Phase 2 Report
• Rock Quantity Estimates Sheets
• Top of Acoustic Basement Sheets Above 50'
• Top of Acoustic Basements Sheets 
• Phase 3 Report
• Hydrographic Chart Sheet
• GPR Survey Results