Building a retaining wall under 4 feet high outside the Highly Sloped Area.Moving less than 10 cubic yards of earth outside the Highly Sloped Area.Altering or replacing structures but not changing the building footprint.There are no additional property restrictions if an owner is: Increased geotechnical review of development in highest risk areas.Promotion of biodiversity in mitigation efforts (more climate resiliency).Reduction of permanent disturbance areas.
Robust density transfer to incentivize avoiding resource areas. Introduction of an in-lieu fund to allow for off-site mitigation. Hillside boundaries aligned more tightly with newest risk data. Introduction of a temporary disturbance area. Clear standards within the resource areas. Simplified mapping, using the latest data available. This project updated hillside, steep slope, stream and wetland, and habitat protections. Environmentally Sensitive Resources Area in Springwater. Environmentally Sensitive Restoration Area in Pleasant Valley. Habitat Conservation Area Overlay District that protects streams and wetlands in most of Gresham. Hillside Physical Constraint Overlay District that protects steep slopes and hillsides. Floodplain Overlay District, revised in 2019 based on new Federal Emergency Management Agency (FEMA) data. Together, the systems provide a network of green areas, wildlife habitat, streams, and forested slope protections.īefore this project, Gresham had three environmental overlays and two environmental zones: This will be the last notice you receive.Environmental overlays are extra levels of protection in certain areas of the city to protect natural resources such as streams, wetland, and hillsides. DO NOT delay leaving to gather any belongings or make efforts to protect your home. If you choose to ignore this advisement, you must understand that emergency services may not be available to assist you further. Leave immediately! Danger to your area is current or imminent, and you should evacuation immediately. Area media services will be asked to broadcast periodic updates. Emergency services cannot guarantee that they will be able to notify you if conditions rapidly deteriorate. Residents MAY have time to gather necessary items, but doing so is at their own risk. This level indicates there is significant danger to your area, and residents should either voluntary relocate to a shelter or with family and friends outside of the affected area, or if choosing to remain, to be ready to evacuate at a moment’s notice. 
You must prepare to leave at a moment’s notice.
If conditions worsen, emergency services personnel may contact you via an emergency notification system. This is the time for preparation and precautionary movements of persons with special needs, mobile property and (under certain circumstances) pets and livestock. Residents should be aware of the danger that exists in their area, monitor emergency services websites and local media outlets for information. Level 1 – “BE READY!“ for potential evacuation. Please refer to the following descriptions for what to do in ongoing emergency situations. Note: If there are not current evacuation areas mapped there are not any areas under an evacuation notice.
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