FLOOD10320 ‎(2)‎

• County: Arapahoe
• Community: Arapahoe County and Incorporated Areas
• Title: FIRM - Arapahoe County and Incorporated Areas - Panel 230J
• Date: 8/16/1995
• Prepared For: Arapahoe County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

ELEVATION REfERENCE MARKS
REFERENCE ELEVATION
MARK (FEET NGVDI DESCRIPTION OF LOCATION

B

104037'30"
390Ll5'00"

1

RM 15

5554.4

Southwest top of curb of Interstate
Highway 70 bridge No. F IBM over
Box Elder Creek.

*RM90

5553.20

Highway right-of-way
of U.S. Highway 287,
Box Elder Creek.
Department Datum.

*Located outside the

Study Area.

2

3

5

6

marker south
west side of
Highway

CITY OF AURORA
(ADAMS COUNTY)

COUNTY)

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T4S

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2

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11

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14

23

390LlI'15"
IOLlo37'30"

c

ZONE X
West Box I
Elder Creek I

CITY_O~
ADAMS COUNTY

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ZONE X

~

ZONE X

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ADAMS
ARAPAHOE COUNTY

12

13

24

E

F

L

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

ZONE AI:

Base flood elevations determined.

JOINS PANEL 0090

IOLlo33'Ll5"
390Ll5'OO"

ZONE AH Flood depths of 1 to 3 feet (usually areas
of pondingl; 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 flooding,
velocities also determined.

-

ZONE A99

ZONE X

Coastal flood with
action); no base flood

ZONE V

hazard (wave
determined.

COUN\"{
IADIAMj. IAURORIA
~Ol'

I CITY OF AURORA 31
I (ADAMS COUNTY)

ZONE X

Coastal flood with
action); base flood

ZONE VE

hazard (wave
determined.

FLOODWAY AREAS IN ZONE AE

OTHER FLOOD AREAS

ZONE X Areas of SOO-year flood; areas of 100-year
flood with depths of less than
1 foot or with areas less than
1 square mile; and areas protected by
levees from 100-year flood.

FLOOD HAZARDS SHOWN WITHIN THE CITY
OF AURORA ARE FOR INFORMATION ONLY.
FOR FLOOD INSURANCE PURPOSES REFER TO
SEPARATELY PUBLISHED FLOOD INSURANCE
RATE MAP.

OTHER AREAS

ZONE X Areas determined to be outside SOO-year
floodplain.

CORPORATE LIMITS

ZONE D

are

Areas in which flood
undetermined.

hazards

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EAST

COLFAX

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UNDEVELOPED COASTAL BARRIERS

Identified Identified Otherwise
1983 1990 Protected !\reas
Coastal barrier areas are normally located within or adjacent to Special
Flood Hazard Areas.

Flood Boundary

Floodway Boundary

ZONE X

Zone D Boundary

Boundary
Hazard
Dividing
Coastal
VVlthin

Dividing Special Fiood
and Boundary
Different
Base Elevations
Special Flood Hazard

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6

Flood Elevation Line:
Eievation in See Map Index
Elevation Datum.

Cross Section Une

4

~513~
@----@

Flood Elevation in Feet
Uniform Within Zone.
Map Index for Elevation Datum.

Reference Mark

(EL 987)
RM7X
. M2

Mile

Horizontal Coordinates Based on North
97007'30", 32022'30" American Datum of 1927 (NAD 27)
Projection.

ZONE X NOTES
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 planimetric features outside
Special Flood Hazard Areas.

Coastal base flood elevations
the effects of wave action;
from those developed by
evacuation planning.

Areas of Special Flood Hazard (100-year flood) include Zones A, AE, AH, AO,
A99, V, and VE.

landward of 0.0 NGVD, and include
also differ significantly
Service for hurricane

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
considerations with regard to requirements o'f the Federal
Management Agency.

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

This map may incorporate approximate boundaries of Coastal Barrier
Resource System Units and lor Otherwise Protected Areas
under the Coastal Barrier Improvement Act of 1990 (PL

Corporate limits shown are current as of the date of this map. The user
should contact appropriate community officials to determine if corporate
limits have changed subsequent to the issuance of this map.

For community map revision history prior to countywide mapping, see
Section 6.0 of the Flood Insurance Study Report.

For adjoining map panels and base map source see separately printed
Map Index.

9

MAP REPOSITORY
Refer to Repository Listing on Map Index

EFFECTIVE DATE OF
COUNTYWIDE FLOOD INSURANCE RATE MAP:

APRIL 17, 1989

EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANEL:
March 4, 1991, December 3, 1993
Map revised August 16. 1995 to limits, to
format. to update roads and incorporate
letters of map revision.

EAST

To determine if flood insurance is available, contact an insurance
call the National Flood Insurance Program at [phone].

ALAMEDA

AVENUE

APPROXIMATE SCALE IN FEET

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ARAPAHOE COUNTY
UNINCORPORATED AREAS
080011

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. NATIONAL FLOOD INSURANCE

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16

IR
FLOOD INSURANCE RATE

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en

ARAPAHOE COUNTY,
COLORADO AND
INCORPORATED

ZONE X

PANEL 230 OF 725

(SEE MAP INDEX FOR PANELS NOT

EAST

MISSISSIPPI

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r

ARAPAHOE

AREf\S

080011

0230

39041' 15"
lOLl 033'Ll 5"

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21

MAP NUMBER
08005C0230 J

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MAP REVISED:
AUGUST 16, 1995

JOINS PANEL 0250

Federal Emergency Management Agency