FLOOD09258

• County: Mesa
• Community: Grand Junction
• Basin: Colorado Mainstem
• Title: FIRM - Grand Junction - Panel 9E
• Date: 7/15/1992
• Prepared For: Grand Junction
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

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IMITS

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ZONE X

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LEG N D

SPECIAL fLOOD HAZARD AREAS INUNDATED
BY 100-YEAR FLOOD
ZONE A No base flood elevations determ'ined.

ZONE AE Base flood elevations determined.

ZONE AH Flood depths of 1 to 3 feet (usually areas of
ponding); base flood elevations determined.

ZONE AO Flood depths of 1 to 3 feet (usually sheet
flow on sloping terrain); average depths
determined. For areas of alluvial fan flood-
ing, velocities also determined.

ZONE A99 To be protected from 100-year flood by
Federal flood protection system under
construction; no base elevations determined.

ZONE V Coastal flood with velocity hazard (wave
action); no base flood elevations deter-
mined.

ZONE VE Coastal flood with velocity hazard (wave
action); base flood elevations determined.

FLOODWAY AREAS IN ZONE AE

OTHER FLOOD AREAS

ZONE X Areas of 500-year flood; areas of
lOa-year flood with
of less than 1 foot or
areas less th an 1
areas protected by
year flood.

OTHER AREAS

ZONE X Areas determ ined to be outside 500-
year flood plain.

ZONE D Areas in which flood hazards are
u ndeterm ined.

Flood Boundary

Floodway Boundary

Zone D Boundary

Boundary Dividing Special Flood
Hazard Zones, and Bound~ry
Dividing Areas of Different
Coastal Base Flood Elevations
Within Special Flaad Hazard
ZQnes.

~ ~513

@---@

Base Fload Elevatian Line; Ele-
vation in Feet*

Cross Section Line

(EL 987)

Base Fload Elevation in Feet
Where Uniform Within Zone*

RM7X

Elevatian Reference Mark

*Referenced to the Natianal Geodetic Vertical Datum af 1929

NOTES

This map is for use in a6ministering the National Flood Insurance
Program; it does not necessarily identify all areas subject to flQoding,
particularly from local drainage sources of small size, 0'1' all planimetric
features outside Special Flood Hazard Areas,

Areas of special flood hazard (lOO-year flood) include Zones A. AI-30,
AE, AH, AO, A99, V, VI.30 AND VL

Certain areas not in Special Flood Hazard Areas may be protected by
flood control structures.

Boundaries of the floodways were computed at cross sections ana
interpolated between cross sections, / The floodways were based on
hydraulic considerations with regard to requirements of the Federal
Emergency Management Agency,

Floodway widths in some areas may be too narrow to show to scale.
Floodway widths are provided in the Flood Insurance Stucjy Report

Coastal base flood elevations apply only landward of the shoreline.

For adjoining map panels see separately printed Map Index

MAP REPOSITORY
Planning Department
250 North 5th Street
Grand Junction, Colorado 81501-2668
(Maps available for reference only, not for distribution.)

INITIAL IDENTIFICATION:
FEBRUARY 1, 1974

FLOOD HAZARD BOUNDARY MAP REVISIONS:
JUNE 28, 1974
OCTOBER 10, 1975
DECEMBER 12, 1978
FLOOD INSURANCE RATE MAP EFFECTIVE:
JANUARY 6, 1983

FLOOD INSURANCE RATE MAP REVISIONS:

Map revised JULY 15, 1992 to update corporate limits, to decrease
base flood e.levations, to add base flood elevations, to add special flood
hazard areas, to change special flood hazard areas, to update map
format, to add roads and road names and to reflect updated10pographic
information,

TO' determine if flaad insu rance is available, cantact an insu rance
agent 0'1' call the Natianal Flaod Insurance Program at (80.0)
638-6620.

.

APPROXIMATE SCALE IN FEET

. NATIONAL FLOOD INSURANCE PROGRAM

FIR
FLOOD INSURANCE RATE MAP

crry OF
GRAND JUNCTION,
CO 1-,0 RADO
MESA COUN'TY

PANEL 9 OF 9

(SEE MAP INDEX FOR PANELS NOT PRINTED)

PANEL LOCATION

COMMUNITY.P ANEL NUMBER
080111 0009 E

MAP REVISED:
JULY 1 1

Federal Emergency