Zone designations on FHBMs and FIRMs that indicate the magnitude of the flood hazard in specific areas of a community. Following are the zone definitions:
(a) Zone A:
Special flood hazard areas inundated by the 100-year flood; base flood elevations are not determined.
(b) Zones A1-30 and Zone AE:
Special flood hazard areas inundated by the 100-year flood; base flood elevations are determined.
(c) Zone AO:
(d) Special flood hazard areas inundated by the 100-year flood; with flood depths of 1 to 3 feet (usually sheet flow on sloping terrain); average depths are determined.
(e) Zone AH:
Special flood hazard areas inundated by the 100-year flood; flood depths of 1 to 3 feet (usually areas of ponding); base flood elevations are determined.
(f) Zone A99:
Special flood hazard areas inundated by the 100-year flood to be protected from the 100-year flood by a Federal flood protection system under construction; no base flood elevations are determined.
(g) Zone B and Zone X (shaded):
Areas of 500-year flood; areas subject to the 100-year flood with average depths of less than 1 foot or with contributing drainage area less than 1 square mile; and areas protected by levees from the base flood.
(h) Zone C and Zone X (unshaded):
Areas determined to be outside the 500-year floodplain.
(Ord. 78-2010. Passed 11-23-10.)