FLOOD10702 ‎(2)‎

• County: Delta
• Community: Delta
• Title: FIRM - Delta - Panel 3C
• Date: 8/19/1991
• Prepared For: Delta
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

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SPECIAL FLOOD HAZARD AREAS INUNDATED
BY 100-YEAR FLOOD
ZONE A No base flood elevations determined.

ZONE AE Base flood elevations determined.

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

lONE AO Flood depths of 1 to3 feet (usually sheet
flow on sloping terrain); average depths
determined. For areas of alluvial fan flood-
ing, velocities also determined.

ZONE A9S To be protected from 100-year flood by
Federal flood protection system under
construction; no base elevations determined.

lONE 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 SOO-year flood; areas of
100-year flood with
of less than 1 foot or
areas less th an 1
areas protected by
year flood.

OTHER AREAS

lONE X Areas determined to be outside 500-
year flood plain.

lONE D Areas in which flood hazards are
undetermined.

Flood Boundary

Floodway Boundary

Zone D Boundary

Boundary Dividing Special Flood
Hazard Zones, and Boundary
Dividing Areas of Different
Coastal Base Flood Elevations
Within Sp,ecial Flood Hazard
Zones.

513

Base Flood Elevation Line; Ele-
vation in Feet*

@

-@

Cross Section Line

(EL 987)

Base Flood Elevation in Feet
Where Uniform Within Zone*

RM7X

Elevation Reference Mark

*Referenced to the National Geodetic Vertical Datum of

NOTES

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

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Areas of special flood hazard (lOO-year flood) include Zones A, Al-30,
AE, AH, AO, A99, V, Vl-30 AND VE.

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

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

F!oodway widths in some areas may be too narrow to show to scale.
Floodway widths are provided in the Flood I nsurance Study Report.

Coastal base flood elevations apply only landward of the shoreline.

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Elevations reference marks are described in the Flood Insurance Study
Report.

For adjoining map panels see separately printed Map Index
MAP REPOSITORY

City Hall
360 Main Street
Delta. Colorado 81416
(Maps available for reference only, not for distribution)

INITIAL IDENTIFICATION:
MAY 24.1974

FLOOD HAZARD BOUNDARY MAP REVISIONS:
JUANUARY 16, 1976

FLOOD INSURANCE RATE MAP EFFECTIVE:
JUNE 1, 1984

FLOOD INSURANCE RATE MAP REVISIONS:

Map revised August 19, 1991 to update corpOl ate limits, to decrease
base flood elevations, to add base flood elevations, to add special
flood hazard areas, to update map tormat and to reflect updated topog-
rapl)lc information.

To determine if flood insurance is availablel contact an insurance
agent or call the National Flood Insurance Program at (800)
638-6620.

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APPROXIMATE SCALE IN FEET

500

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. NATIONAl FLOOD INSURANCE PROGRAM

INSURANCE

3 OF 4

(SEE MAP INDEX FOR PANELS NOT PRINTED)

PANEL L.OCATION

080043 C

AUGUST 1

Federal Emergency.Management