Skip to Main Content View Text-Only

Planning and Sustainability

Innovation. Collaboration. Practical Solutions.

Phone: 503-823-7700

Curbside Hotline: 503-823-7202

1900 SW 4th Ave, Suite 7100, Portland, OR 97201

More Contact Info

NRIU Documents

Natural Resources Inventory Update: Summary Report

This document provides a summary of the background, project approach, methodology and products of the City's Natural Resource Inventory Update project. The brief explanation and example maps are intended to introduce the NRIU project, scientific basis, model criteria, how the information will be used and the next steps in the project.

Click on the following links to download the Summary Report. Note that this is a large file that can take a significant amount of time to download.


Stream Mapping Project

Bureau of Planning & Sustainability stream mapping project

Proposed Draft Willamette Natural Resources Inventory: North Reach

The first chapters, including background information and the project approach. The remainder of the report is forthcoming.

Natural Resource Inventory GIS Model

Description of the Bureau of Planning Natural Resource Inventory Update Project GIS model

Vegetation Mapping Project

Bureau of Planning & Sustainability vegetation mapping project

Wetland Data Refinement Project

Bureau of Planning & Sustainability Wetland Data Refinement Project