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Locations of Flood Zones in Spokane County; The Base Flood Elevation (BFE) is the water-surface elevation of the 1% annual chance of flood (100-year flood). "A" = Subject to 100-year flood; No Base Flood Elevations determined; "AE" = Subject to 100-year flood; Base Flood Elevations determined; "AH" = Subject to 100-year flood; Flood depths of 1 to 3 feet (usually areas of ponding); Base Flood Elevations determined; "X" = Floods less than once every 100 years. Insurance not required, but officials recommend if within levee system."0.2 Pct Annual Chance Flood Hazard" |