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Zone AE Zone AE is the flood insurance rate zone that corresponds to the 1-pe; chance floodplains that are determined in the Flood Insurance Study methods. Whole-foot BFEs derived from the detailed hydraulic ~ shown at selected intervals within this zone. Zone AH Zone AH is the flood insurance rate zone that corresponds to the aa percent annual chance shallow flooding (usually areas of ponding) whei depths are between 1 and 3 feet. Average whole-foot BFEs derived detailed hydraulic analyses are shown at selected intervals within this zo: Zone AO Zone AO is the flood insurance rate zone that corresponds to the percent annual chance shallow flooding (usually sheet flow on slo~ where average depths are between 1 and 3 feet. Whole-foot depths c the detailed hydraulic analyses aze shown within this zone. Zone AR t annual detailed ~ses are ;as of 1- ; average from the .s of 1- terrain) ~d from Area of special flood hazard fortnerly protected from the 1-percent annu~.l chance flood event by a flood control system that was subsequently decertified. 2one AR indicates that the former flood control system is being restored to provide protection from the 1- percent annual chance or greater flood event. Zone A99 Zone A99 is the flood insurance rate zone that corresponds to the annual chance floodplain that will be protected by a Federal flood system where construction has reached specified statutory milestones. flood elevations or depths are shown within this zone. Zone X Zone X is the flood insurance rate zone that corresponds to areas outsid percent annual chance floodplain, areas within the 0.2-percent annu floodplain, areas of 1-percent annual chance flooding where average c less than 1-foot, areas of 1-percent annual chance flooding where the co drainage areas is less than 1 square mile, and areas protected from the annual chance flood by levees. No BFEs or depths are shown within thi: -percent No base the 0.2- chance ~ths are 1-percent zone. ~ 1s