Oregon - Statewide Flood Hazard Database (observed inundation) - Oregon Spatial Data Library

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.