City of Portland, Oregon-- Additional Information: Category: Hazard Purpose: Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm&action=DisplayLayer%LayerID=61209ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/234000744bc8466798498f9f6a916799_1430engPortlandMaps Open DataPublicTitle 24 FEMA PICM Requirement Areas [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2025-08-14