FLOOD05838

• County: Adams
• Community: Adams County Incorporated
• Basin: South Platte
• Title: Flood Insurance Rate Maps - Panel 335
• Date: 8/16/1995
• Prepared For: Adams County
• Prepared By: FEMA
• Floodplain - Doc Type: Historic FEMA Regulatory Floodplain Information

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ELEVATION k~rERENCE MARKS
REFERENCE ELEVATION
MARK (FEET NGVD) ~ESCRIPTION OF LOCATION

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northea~t along the Union Pacific
R a i I r 0 a If from the Un ion S tat ion 0 t
Denver;) 9.2 feet west of the west
rail at'a graveled road crossing.

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LEGEND

SPECIAL FLOOD HAZARD AREAS INUNDATED
BY 10o-YEAR FLOOD
ZONE A No base flood elevations determined.

ZONE AE Base flood elevations determined.

ZONE AH Flood depths of 1 to 3 feet (usually areas
of ponding); 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 f1oodin&
velocities also determined.

ZONE A99 To be protected from 10o-year flood by
Federal flood protection system under
construction; no base elevations determined.

ZONE V Coastal flood with velocity hazard (wave
action); no base flood elevations determined.

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 10o-year
flood with average depths of less than
1 foot or with drainage areas less than
1 square mile; and areas protected by
levees from 10o-year flood.

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OTHER AREAS
ZONE X Areas determined to be outside SOo-year
floodplain.

ZONE D

Areas in which flood hazards are
undetermined.

UNDEVELOPED COASTAL BARRIERS

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Ider ified Identified Otherwise
1< 83 1990 Protected Areas
Coasta barrier areas are normally located within or adjacent to Special
Flood Hazard Areas.

Flood Boundary

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Floodway Boundary

Zone D Boundary

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

Base Flood Elevation Line;
Elevation in Feet. See Map Index
for Elevation Datum.

Cross Section Line

Base Flood Elevation' in Feet
Where Uniform Within Zone.
See Map Index for Elevation Datum.

Elevation Reference Mark

(EL 987)
RM7X
. M2

River Mile

Horizontal Coordinates Based on North
American Datum of 1927 (NAD 27)
Projection.

970q7'30", 32022'30"

NOTES

This mklp is for use in administering the National Flood Insurance Program;
it doesl not necessarily identify all areas subject to flooding, particularly from
local 9rainage sources of small size, or all planimetric features outside
speCi~ Flood Hazard Areas.

Coasta base flood elevations apply only landward of 0.0 NGVD, and include
the e cts of wave action; these elevations may also differ significantly
from those developed by the National Weather Service for hurricane
evacuation planning. ,

Areas bf Special Flood Hazard (10o-year flood) include Zones A. AE, AH, AO,
A99, V, and VE.

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

Bound ries of the floodways were computed at cross sections and
interpc ated between cross sections. The floodways were based on
hydrau ic considerations with regard to requirements of the Federal
Emerg ncy Management Agency.

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

This n ap may incorporate approximate boundaries of Coastal Barrier
Resour e System Units and lor Otherwise Protected Areas established
under the Coastal Barrier Improvement Act of 1990 (PL 101-591).

Corpor te 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 cc mmunity map revision history prior to countywide mapping, see
Sectior 6.0 of the Flood Insurance Study Report.

For ad oining map panels and base map source see separately printed
Map Ir dex.

MAP REPOSITORY
Refer to Repository Listing on Map Index

EFFECTIVE DATE OF
COUNTYWIDE FLOOD INSURANCE RATE MAP:

AUGUST 16, 1995

I
E~FECTIVE DA TE(S) OF REVISION(S) TO THIS PANEL:

Referlto the FLOOD INSURANCE RATE MAP EFFECTIVE DATE shown
on t~is map to determine when actuarial rates apply to structures in
zone~ where elevations or depths have been established.

To d termine if flood insurance is available, contact an insurance agent or
call t e National Flood Insurance Program at [phone].

.

APPROXIMATE SCALE IN FEET
1000 0 1000
.......... I

. NATIONAL FLOOD INSURANCE PROGRAM]

FIRM
FLOOD INSURANCE RATE MAP

ADAMS COUNTY,
COLORADO AND
INCORPORATED AREAS

1111111

PANEL 335 OF 875
(SEE MAP INDEX FOR PANELS NOT PRINTED)

IIIIII111

CONTAINS:
COMMUNITY

NUMBER PANEL SUFFIX

ADAMS COUNTY.
UNINCORPORATED AREAS
COMMERCE CITY, CITY OF
THORNTON, CITY OF

080001
080006
080007

0335
0335
0335

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1111111

MAP NUMBER
08001C0335 G

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(1)1)
I~O$

Federal Emergency Management Agency

EFFECTIVE DATE:
AUGUST 16, 1995