FLOOD10693 ‎(2)‎

• County: Costilla
• Community: Costilla County and Unincorporated Areas
• Title: FIRM - Costilla County and Unincorporated Areas - Panel 250A
• Date: 7/16/1991
• Prepared For: Costilla County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

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ZONE C

ZONE C

ZONE A

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ZONE C

KEY TO MAP

SOO-Year Flood Boundary
100-Year Flood Boundary-----

Zone Designations

100-Year Flood Boundary
~OO-Year Flood Boundary---

Base Flood Elevation Line
With Elevation In Feet**

513

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

ZONE

EXPLANA TION

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; avuage depths
of inundation are shown, but no flood hazard factors
are determined.

AH Areas of 100-year shallow flood ing where depths
are between one (1) and three (3) feet; base flood
elevations are shown, bot no flood hazard factors
are determined.

A 1-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 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 shading)

C 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
determ ined.

NOTES TO USER

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

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

Certain areas not in the Special Flood Hazard Areas (zones A and V) may be
protected hy flood control structures.

Coastal base flood elevations apply only landward ofthe shoreline shown on
this map.

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

INITIAL IDENTIFICATION:
JULY 16,1991

FLOOD HAZARD BOUNDARY MAP REVISIONS:

FLOOD INSURANCE RATE MAP EFFECTIVE:

FLOOD INSURANCE RATE MAP REVISIONS:

To determine if flood insurance is available in this community,
contact your insurance agent, or call the National Flood Insurance
Program, at [phone].

.

APPROXIMATE SCALE IN FEET

~ NATIONAL FLOOD INSURANCE PROGRAM

FI
FLOOD INSURANCE RATE MAP

COSTILLA COUNTY,
COLORADO
(UNINCORPORATED AREAS)

PANEL 250 OF 350

(SEE MAP INDEX FOR PANELS NOT PRINTED)

COMMUNITY.PANEl NUMBER
080276 0250 A

EFFECTIVE DATE:
JULY 1 1991

Federal Emergency Management Agency