Title 33 Combined Flood Hazard Area

The farthest extent of the land area comprised of the FEMA Special (100 year) Flood Hazard Area, the Modeled Willamette River 1996 Flood Extent, and the Metro Title 3 1996 Flood Inundation Area, for areas not included in the Modeled Willamette River 1996 Flood Extent. -- Additional Information: Category: Zoning Code Purpose: Reference layer for Title33 Planning and Zoning. Replaces prior references to FEMA 100-year floodplain in Title 33 prior to March 1, 2024. Different regulations are applied within the extent of this combined area. Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=61133本数据集涵盖的陆地区域最大范围，由美国联邦紧急事务管理局（FEMA）专项（百年一遇）洪水灾害区、1996年模拟威拉米特河洪水淹没范围，以及未纳入1996年模拟威拉米特河洪水淹没范围的区域中的Metro第3编1996年洪水淹没区共同组成。 -- 附加信息： 分类：区划法规 用途：作为第33编规划与区划工作的参考图层 本图层将取代2024年3月1日之前第33编中对FEMA百年一遇洪水泛区的原有引用 该合并覆盖范围内适用不同的监管规定 更新频率：按需更新 元数据链接：https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=61133