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500 -Year Flood Boundary
100 -Year Flood Boundary --•
Zone Designations*
100 -Year Flood Boundary -
500 -Year Flood Boundary-
Base Flood Elevation Line
-513-^-
With Elevation In Feet **
Areas of 100 -year flood; base flood elevations and
Base Flood Elevation in Feet
(EL 987)
Where Uniform Within Zone **
Areas of 100 -year shallow flooding where depths
Elevation Reference Mark
RM7X
Zone D Boundary - -- ---
of inundation are shown, but no flood hazard factors
River Mile
®M1.5
* *Referenced to the National Geodetic
Vertical Datum of 1929
�'
ZONE
EXPLANATION
A
Areas of 100 -year flood; base flood elevations and
flood hazard factors not determined.
AO
Areas of 100 -year shallow flooding where depths
are between one (1) and three (3) feet; average depths
of inundation are shown, but no flood hazard factors
are determined.
AH
Areas of 100 -year shallow flooding where depths
are between one (1) and three (3) feet; base flood
elevations are shown, but no flood hazard factors
are determined.
Al -A30
Areas of 100 -year flood; base flood elevations and
flood hazard factors determined.
A99
Areas of 100 -year flood to be protected by flood
protection system under construction; base flood
elevations and flood hazard factors not determined.
B
Areas between limits of the 100 -year flood and 500 -
year flood; or certain areas subject to 100 -year flood-
ing with average depths less than one (1 ) foot or where
the contributing drainage area is less than one square
mile; or areas protected by levees from the base flood.
(Medium shading)
G
Areas of minimal flooding. (No shading)
D
Areas of undetermined, but possible, flood hazards.
V
Areas of 100 -year coastal flood with velocity (wave
action); base flood elevations and flood hazard factors
not determined.
V1 -V30
Areas of 100 -year coastal flood with velocity (wave
action); base flood elevations and flood hazard factors
determined.
NOTES TO USER
Certain areas not in the special flood hazard areas (Zones A and V)
may be protected by flood control structures.
This map is for flood insurance and flood plain management
purposes only; it does not necessarily show all areas subject to
flooding in the community or all planimetric features outside
special flood hazard areas.
The coastal flooding elevations shown may include the effects of
wave action and may differ significantly from those developed by
the National Weather Service for hurricane evacuation planning.
Coastal base flood elevations apply only landward of the
shoreline shown on this map.
For adjoining map panels, see separately printed Map Index.
INITIAL IDENTIFICATION:
JANUARY 14, 1972
FLOOD HAZARD BOUNDARY MAP REVISIONS:
FLOOD INSURANCE RATE MAP EFFECTIVE:
JANUARY 14, 1972
FLOOD INSURANCE RATE MAP REVISIONS:
interim map revision effective July 1, 1974
to change zone designations.
Map revised September 5, 1975
to reflect curvilinear flood boundary.
Map revised )i ne 17, °198
to change special flood hazard areas, base flood, elevations, zone
designations and to reflect Z -fold format and new FEMA title block.
To determine if flood insurance is available in this community,
contact your insurance agent, or call the National Flood Insurance
Program, at (800) 638 -6620.
APPROXIMATE SCALE
500 0 500 FEET
�r
r-IRM
FLOOD INSURANCE RATE MAP
CITY OF
TYIBEE I
u"ECIRGIA
CHATHAM COUNTY
'iederal Emergency Management Agene