FLOOD10697 ‎(2)‎

• County: Costilla
• Community: Costilla County and Unincorporated Areas
• Title: FIRM - Costilla County and Unincorporated Areas - Panel 350A
• Date: 7/16/1991
• Prepared For: Costilla County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

ZONE C

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JOINS PANEL 0275

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ZONE C

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COLORADO
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NEW MEXICO

ZONE C

Creek

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O LEANDRO
LAKE

COSTILLA COUNTY

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KEY TO MAP

ZONE C

Zone Designations

ZONE C

Base Flood Elevation Line
With Elevation In Feet**

573----

Base Flood Elevation in Feet
Where Uniform Within Zone**

(EL 987)

Elevation Reference Mark

RM7X

Zone D Boundary-

River Mile

.M1,5

** Referenced to the National Geodetic Vertical Datum of 1929

EXPLANATION OF ZONE DESIGNATIONS

ZUNE
A

EXPLANA TION

Areas of 100-year flood; base flood elevations and
flood hazard factors not determined.

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.

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.

Areas of 100-year flood; base flood elevations and
fl90d hazard factors determined.

Areas of 100-year flood to be protected by flood
protection system under construction; base flood
elevations and flood hazard factors not determined.

Areas between limits of the 100-year flood and 500-
year flood; or certain areas subject to 1 OO-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 shad~ng)

Areas of minimal flooding. (No shading)

Areas of undetermined, but possible, flood hazards.

Areas of 100-year coastal flood with velocity (wave
action); base flood elevations and flood hazard factors
not determ ined.

Areas of 100-year coastal flood with velocity (wave
action); base flood elevations and flood hazard factors
determined.

AO

AH

A1-A30

A99

B

C
D
V

V1-V30

NOTES TO USER

Certain areas not in the Special Flood Hazard ArRas (zones A a rrd V) may be
protected by flood control structures.

This map is for use in administering the National Flood I nsurance 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.

Coastal base flood elevations apply only la ndward of the shoreline shown on
this map.

For adjoining map panels, see separately printed I ndex to Map Panels.

INITIAL IDENTIFICATION:
JULY 16.1991

FLOOD HAZARD BOUNDARY MAP REVISIONS:

FLOOD INSURANCE RATE MAP EFFECTIVE:

FLOOD INSU RANCE RATE MAP REVIS IONS:

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 in this community,
contact your insurance agent, or call the National Flood Insurance
Program, at [phone].

APPROXIMATE SCALt IN FEET

~ NATIONAL FLOOD INSURANCE PROGRAM

I
FLOOD INSURANCE RATE

COSTI COUNTY,
CO LO DO
(UNINCORPORATED AREAS)

PANEL

Of 350

(SEE MAP

FOR PANELS NOT PRINTED)

NUMBER
080276 0350 A

DATE:
JULY 16. 1991

Management Agency