FLOOD10564 ‎(2)‎

• County: Boulder
• Community: Boulder County and Incorporated Areas
• Title: FIRM - Boulder County and Incorporated Areas - Panel 270F
• Date: 6/2/1995
• Prepared For: Boulder County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

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105011'15"
40011'15"

PANEL 0260

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CITY OF LONGMONT
080027

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444'

CORPORATE
LI M ITS

ZONE X

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LONGMONT
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ZONE X

CITY

LONGMONT
080027

CITY OF LONGMONT
BOULDER COUNTY

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BOULDER COUNTY
UNINCORPORATED AREAS
080023

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ROAD

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Reservoir

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ALPENGLOW COURT

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40007'30"
105011'15"

JOINS PANEL 0410

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R 0801

F

/\RE/\S INUNDt\ TED

elevat ions determined.

ZONE AE

flood elevations determined.

105009'22"
tlooll'15"

ZONE AH

'1 to
base

ZONE AO Flood depths ofl
flow on
determined.
velocit ies also

ZONE A99 To be
Federal

ZONE V

Coastal flood with
action); no base flood

hazard
determined.

ZONE VI:

Coastal flood with
action!; base flood

!wave

FLOODWAY AREAS IN ZONE I-\E

OTHER FLOOD AREAS

ZONE X Areas of SOO-year flood;
flood with' depths
1 foot or with
1 square mile: and
from lOO-year flood.

OTHER AREAS
ZONE X determined to
floodplain.

outside

ZONE D

in which flood haxards
undetermined.

UNDEVELOPED COASTf\L BARRIERS

Identified Identified
1983 1990
Coastal barrier areas are normallv within or
Flood Hazard Areas.

Flood Boundary

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Floodvvay Boundary

D Boundary

Boundary
Hazard
Dividing
Coastal

Dividing Special Flood
and Boundary
Areas of Different
Base Flood Elevations
Special Flood Hazard

~513~

Base Flood
Elevation In
for Elevation Datum

Elevation Line:
See Map Index

987)

Cross Section Line

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

Elevation Reference Mark

RM7X
. M2

River Mile

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

97007'30", 32022'30"

NOTES

This map for use in administering the National Flood Insurance
it does necessarily identify all areas subject to flooding.
local drainage sources of small or all planimetric
Special Hazard Areas.

Coastal flood elevations
the effects of action:
from those developed by
evacuation planning.

Areas of Flood Hazard (lOa-year flood) include Zones A
A99, V. and

include

AH. AO,

Certain areas not in Special Flood Hazard Areas may be protected by
flood control Structures.

Boundaries of the floodways computed at cross sections and
interpolated betvveen cross sections The floodways were based on
hydraulic considerations with regard to requirements of the
Emergency Management Agency.

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

This map may boundaries of Coastal
Resource and Othervvise Protected Areas established
under the Barrier Improvement Act 1990 (PL

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

map revision history prior to countywide mapping, see
the Insurance Study Report

For
Map

map panels and base map

see separately printed

MAP REPOSITORY
Refer to Repository Listing on rVlap Index

EFFECTIVE DATE OF
COUNTYWIDE FLOOD INSURANCE RATE MAP:

JUNE 2, 1995

EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANEL:

Refer to the INSURANCE RATE 1\lAP
on this map to determine actuarial rates apply to structures in
zones where elevations or depths been established,

To determine flood available. an
call the Flood Insurance Program at 18001638 6620.

or

.

APPROXIMATE SCALE IN FEET
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NOT PRINTED)

F

40007'30"
105009'22"