FLOOD08029

• County: Logan
• Community: Logan County and Unincorporated Areas
• Basin: South Platte
• Title: FIRM - Logan County and Unincorporated Areas - Panel 240B
• Date: 9/29/1989
• Prepared For: Logan County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

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LEG N D

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

Base flood elevations determined.

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

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.

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

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

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 than 1 square mile;
areas protected by levees from 100-
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 Boundary
Dividing Areas of Different
Coastal Base Flood Elevations
Within Special Flood Hazard
Zones,

513....

@-----@

Base Flood Elevation Line; Ele-
vation in Feet*

Cross Section Line

IEL987)

Base Flood Elevation in Feet
Where Uniform Within lone*

RM7X

Elevation Reference Mark

*Referenced to the National Geodetic Vertical

of 1929

NOTES

This map is for use in
Program; it does not necessarily
particularly from local drainage
features outside Special Flood Hazard

Areas of special flood hazard
AE, AH, AO, A99, V, Vl-30

Certain areas not in Special Flood Hazard
flood control structures,

Boundaries of the floodways were
interpolated between cross
hydraulic considerations with
Emergency Management Agency

Floodway widths in some areas
Floodway widths are provided in

Coastal base flood elevations

only landward of the

Elevations reference marks descri bed in the Flood I nsurance Study
Report,

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For adjoining map panels see separately printed Map Index

MAP REPOSITORY
Office of Administrator
Logan Courthouse
300 Street
Colorado 80757
only, not for distribution)

INITIAL IDENTIFICATION:

APRIL 4, 1978

FLOOD HAZARD BOUNDARY MAP REVISIONS:

FLOOD INSURANCE RATE MAP EFFECTIVE:
SEPTEMBER 29, 1989

FLOOD INSURANCE RATE MAP REVISIONS:

Refer to the FLOOD INSURANCE RATE MAP EFFECTIVE date
shown on this map to determine when actuarial rates apply to
structures in the zones where elevations or depths have been estab.
lished.

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

APPROXIMATE SCALE IN FEET

. NATIONAL FLOOD INSURANCE

I
FLOOD INSURANCE

MAP

LOGAN COUNTY,
COLORADO
(UNINCORPORATED AREAS)

PANEL 240 OF 500

(SEE MAP INDEX FOR PANELS NOT PRINTED)

PANEL LOCATION

COMMUNITY.P ANEL NUMBER
080110 0240 B

EFFECTIVE DATE:
SEPTEMBER 29, 1989

Federal Emergency Management Agency