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Oregon Statewide Flood Hazard Database - Observed Inundation - 2015

Published by State of Oregon | State of Oregon | Catalog Last Checked: May 05, 2026 at 07:55 PM | Dataset Last Updated: August 16, 2023
This is a dataset download, not a document. The Open button will start the download.This data layer is an element of the Oregon GIS Framework. This feature dataset contains the following feature classes: 1. HWM_POINTS feature class: The HWM_POINTS feature class is a compilation of high water marks from flood events for the state of Oregon. 2. NW_Oregon_1996_Inundation feature class: represents 1996 flood inundation area in northwest Oregon. 3. Willamette_Basin_1943_Inundation feature class: represents 1943 flood inundation area in the Willamette Basin. 4. Willamette_River_1861_Inundation feature class: represents 1861 flood inundation area primarily associated with the Willamette River 5. Willamette_River_1964_Inundation feature class: represents 1964 flood inundation area primarily associated with the Willamette River. See feature class metadata for detailed information about each feature class.

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