Staff can assist with flood protection and mitigation design questions and with local flooding concerns. The City of Eugene provides free information regarding flood hazards for specific sites within the community and can answer many of your flood-related questions. D Zone D An area of undetermined but possible flood hazards. B Zones may have local, shallow flooding problems. CX, Zone CX, An area that is determined to be outside the 100- and 500-year floodplains. ’Shaded’ Zone X: Area of moderate flood hazard usually depicted on FIRMs as between the limits of the base and 500-year floods of the primary source of flooding. The shaded Zone X corresponds to Zone B and the unshaded Zone X corresponds to Zone C. Zone X: Newer FIRMs show Zones B and C as Zone X. Base flood depths (feet above grade) are provided. AO: SFHA with sheet flow, ponding, or shallow flooding.AE: SFHA where the base flood elevations are provided.A: SFHA where no base flood elevation is provided.The types of A Zones that are applicable to our community: Zone A: The SFHA shown on a community’s FIRM. Learn whether you live in a low-risk, moderate-risk, or high-risk flood zone. Everyone lives in an area with some flood risk. The SFHA may not encompass all of the community’s flood problems. Contact your insurance agent or call the National Flood Insurance Program (NFIP) 87. SFHA (Special Flood Hazard Area): The base floodplain delineated on a Flood Insurance Rate Map. The current effective date of our FIRM is 06/02/99.įIS (Flood Insurance Study): The study provided by FEMA that graphically represents flood heights for certain areas of the floodplain. The base flood is a statistical concept used to ensure that all properties subject to the National Flood Insurance Program are protected to the same degree against flooding.īFE (Base Flood Elevation): The expected elevation the base flood will reach.įIRM (Flood Insurance Rate Map): The flood hazard map provided by FEMA and adopted by our community. Definitions of flood zones and related terms are provided below.īase Flood: The flood having a 1% chance of being equaled or exceeded in any given year, also known as the "100-year" or "1% chance" flood.
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