FLOOD10733

• County: Weld
• Community: Weld County and Unincorporated Areas
• Title: FIRM - Weld County and Unincorporated Areas - Panel 475D
• Date: 9/22/1999
• Prepared For: Weld County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

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Town of Pierce
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ZONE

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ZONE C

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Town of Ault
AREA NOT INCLUDED

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AREA NOT INCLUDED

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HURRICH

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JOINS PANEL 0607

JOINS PANEL 0606

KEY TO MAP

500-Year Flood Boundary
100-Year Flood Boundary

ZONE B

Zone Designations'

1 00- Year Flood Boundary
500- Year Flood Boundary

ZONE B

Base Flood Elevation Line
With Elevation In Feet"

513

Base Flood Elevation in Feet
Where Uniform Within Zone"

(E L 987)

Elevation Reference Mark

RM7X

Zone D Boundary .

River Mile

Approximate 100- Year
Flood Boundary

eM1.5

jjmf!j~~A:(:f.{Ift!m

"Reference to the National Geodetic Vertical Datum of 1929

UNDEVELOPED COAST AL BARRIERS t

~

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Identified
1983

Identified
1990

Otherwise
Protected Areas

t Coastal barrier areas are normally located witnin or adjacent to special flood
hazard areas.

*EXPLANA TION OF ZONE DESIGNATIONS

ZONE
A
0
co
'<t AO
0
.....J
UJ
Z
<{
a.. AH
(/)
z
<:5
J
A '-A30
A9S
8

E.XPLANA TION

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

Areas of 100-year shallow flooding where P'epths are between
one (1) and three (3) feet; average'depths of inundation are
shown, but no flood hazard factors are determined.

Ar~as 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 flood hazard
factors determined.

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

Areas between limits of the 100-year flood and SOO-year or
certai n areas subject to 100-year flooding 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 base
flood. (Medium shading)

Areas of mjnimal flooding. (No shading)

Areas of undetermined, but possible, flood hazards.

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

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

C
D
V

V1-V30

NOTES TO USE R

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. The community map repository should be
consulted for more detailed data on BFEs, and for any information on
floodway delineations, prior to use of this map for property purchase or
construction purposes.

Areas of special flood hazard (100-yearflood) include Zones A, A1-30, AE,
AH, AO, A99, V, V1-30 and VE.

Certaln areas not in Special Flood Hazard Areas may be protected by flood
control structar~s.

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

Corporate limits shown are current as of the date of this map. The user
should contact appropriate community offidals to determine if corporate
limits have changed subsequent to the issuance 01 thismap.

For adjoining map panels see separately printed Map Index.

INITIAL IDENTIFICATION:
MARCH 21, 1978

FLOOD HAZARD BOUNDARY MAP REVISION:

FLOOD INSURANCE RATE MAP EFFECTIVE:
MARCH 18, 1980

FLOOD INSURANCE RATE MAP REVISIONS:
SEPTEMBER 28,1982

Map revised September 22, 1999 to update corporate limits, to add base
flood elevations, to change special flood hazard areas, to change zone
designations, to add roads and road names, to reflect updated topographic
information, and to incorporate previously issued letters of map revision.

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

.

APPROXIMATE SCALE IN FEET

COMMUNITY.PANEL NUMBER
080266 0475 D
MAP REVISED:
SEPTEM BER 22, 1999

Federal Emergency Management Agency