| Cultural Resources | A Cultural Resources Study of the Proposed Hayden Island Marine Industrial Park Multnomah County, Oregon | Mar-86 | Willamette Associates | Required through the environmental review process. The report concluded no significant evidence of either prehistoric or historic occupation. |
| Economic Studies | Portland Vancouver Trade Capacity Analysis | Jan-06 | Global Insight for Metro, Port of Portland, Port of Vancouver and Portland Development Commission | Study to determine the impact of increased international and domestic trade on the region's supply of and demand for trade supported infrastructure. |
| Economic Studies | The Cost of Congestion to the Economy of the Portland Region | Nov-05 | Economic Development Research Group | Public and private sector study addressing the Portland region's rising congestion issues. |
| Economic Studies | Metro 2040 Growth Concept | Jan-95 | Metro | A long-range plan designed to guide growth and development throughout the Metro region. |
| Economic Studies | Washington Ports Forecast | Jan-04 | BST Associates | Forecasts a 2/3 increase in cargo volumes over the next two decades. Reports on infrastructure challenges. |
| Economic Studies | The Oregon Port Assessment | Oct-86 | Booz-Allen & Hamilton | Identifies development needs for Oregon's ports and identifies several development and organizational alternatives to respond to needs. |
| Economic Studies | Market Demand Analysis Report for the Industrial Lands Inventory Assessment | Jul-03 | ECONorthwest, Group Mackenzie, Johnson Gardner for Portland Development Commission | Report addresses:
- Demand for industrial land in Portland region
- Supply of vacant industrial land
- Vacancy and absorption rates |
| Environmental Information | Technical Memo Potential Natural and Cultural Resources Impacts and Mitigation Evaluation | Oct-09 | SWCA | Evaluation of natural and cultural environmental consequences related to environmental permitting for one development footprint on WHI |
| Environmental Information | Regional Wildlife-Habitat Classes for West Hayden Island | Jun-98 | Port of Portland | An introduction to the Port of Portland's Natural Resources Inventory |
| Environmental Information | NRI Fact Sheet | Jun-98 | Port of Portland | An introduction to the Port of Portland's Natural Resources Inventory |
| Environmental Information | Local Wildlife-Habitat Classes for West Hayden Island | Jun-98 | Port of Portland | An introduction to the Port of Portland's Natural Resources Inventory |
| Habitat/Natural Resource Studies | Fish Distribution and Relative Abundance in Columbia River Shallow Water Habitat Near the Portland International Airport | Jun-98 | Ellis Ecological Services, Inc. | Study documents the presence and absence of juvenile salmonids in the vicinity of proposed PDX discharge sites. Study area includes portions of WHI. |
| Habitat/Natural Resource Studies | Biological Assessment for Listed and Proposed Threatened and Endangered Wildlife and Plant Species - WHI Port Facilities Development | Oct-00 | Maurita Smyth and URS | BA examines how the Port of Portland's proposed development of marine terminals on WHI may affect certain species. |
| Habitat/Natural Resource Studies | West Hayden Island Development Program Technical Report: Aquatic Biology Investigations | Jan-95 | Fishman Environmental Services for the Port of Portland | Report with the goal of characterizing the sediments and the benthic invertebrate communities inhabiting the areas around WHI. |
| Historic Development Studies | West Hayden Island Development Program Final Report | Mar-97 | CenturyWest for the Port of Portland | Describes a very detailed 1997 development program. Illustrates hypothetical zoning footprints based on marine industrial, recreation and habitat uses. |
| Historic Development Studies | Hayden Island Plan Document | Jan-09 | David Evans and Associates Inc | A neighborhood plan for Hayden Island (east of the rail bridge) identifies opportunities to improve accessibility, livability and sustainability. |
| Historic Development Studies | Environmental Impact Statement West Hayden Island Industrial Park | Jan-87 | U.S. Army Corps of Engineers | An Environmental Impact Statement completed in 1987 for Portland General Electric. It describes a permitted development proposal proposed before the Port purchased the property. |
| Planning Background | Memorandum: Zoning and Planning Framework for West Hayden Island Annexation | Mar-09 | Ball Janik LLP | Provides a summary of the planning history for WHI and the legal framework that flows from that history. Completed to assist the City, Port and the CWG as work on the evaluation process continues. |
| Planning Background | West Hayden Island Proposed Annexation And Rezoning | Nov-08 | Oregon Consensus | A neutral assessment of issues related to the annexation of West Hayden Island into the City. |
| Prior City of Portland Planning Process (1999) | Area Plan Volume 5 Plan District | May-99 | COP, POP and Advisory Committee | Discusses use regulations, development standards, review and approval criteria |
| Prior City of Portland Planning Process (1999) | Area Plan Volume 1 | May-99 | W&H Pacific | Volume 1 of a lengthy document discussing an introduction to the plan, area background, comprehensive zone/plan, public involvement efforts, figures, and appendix. |
| Prior City of Portland Planning Process (1999) | Area Plan Volume 2 Natural Resource Element | May-99 | W&H Pacific | Provides resource inventories, analyzes conflicting uses and refines a potential Goal 5 protection plan. |
| Prior City of Portland Planning Process (1999) | Area Plan Volume 4 Transportation Analysis | May-99 | Parametrix | Discusses existing conditions, future conditions, analysis of development alternatives, recommended development plan. |
| Prior City of Portland Planning Process (1999) | Area Plan Volume 6 Mitigation Plans | May-99 | U.S. Army Corps of Engineers | Discusses project site plan, areas function and values to be lost or altered, proposed compensatory mitigation site, assumptions, goals, gains and losses in wetland functions or values implementation methods, implementation schedule, design details, person responses, monitoring plans, long term protection, water rights, and contingency |
| Prior City of Portland Planning Process (1999) | Area Plan Volume 7 Transportation IGA | May-99 | COP and POP | Transportation IGA between Port and City of Portland |
| Prior City of Portland Planning Process (1999) | Area Plan Volume 3 Market Study | May-99 | W&H Pacific | Discusses industrial lands needs analysis, alternative marine industrial site analysis, annexation and comprehensive plan goals and policies, |