City of Portland, OregonThis is a proposed Environmental Overlay Zone update in the Columbia Corridor and Industrial Lands Resource Sites. -- Additional Information: Category: Zoning Purpose: To display the current Environmental Overlay Zone proposal in the Columbia Corridor and Industrial Lands Resource Sites Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=61105ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/5b0f4b46397e4b70a285bf873b4c13b4_1414engPortlandMaps Open DataPublicCCIL Ezone Proposal [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2025-05-10