1337-005

• County: Boulder
• Community: City of Longmont
• Basin: South Platte
• Title: FIRM - City of Longmont - Panel 68
• Date: 9/18/1987
• Prepared For: City of Longmont
• Prepared By: FEMA
• Floodplain - Doc Type: Historic FEMA Regulatory Floodplain Information

i I
JOINS PANEL 0075
KEY TO MAP
500-Year Flood Boundary -
100-Year Flood Boundary
CY) cp Zone Designations
to
100-Year Flood Boundary
ZONE BONE
500-Year Flood Boundary -
1 9A.:.• I
I Base Flood Elevation Line 513 �
With Elevation In Feet**
I
Base Flood Elevation in Feet (EL 987) _
m \ Where Uniform Within Zone**
Elevation Reference Mark RM7X _
w
I \ I Zone D Boundary
I River Mile 9M1.5
**Referenced to the National Geodetic Vertical Datum of 1929
EXPLANATION OF ZONE DESIGNATIONS
I ZONE EXPLANATION
I
A Areas of 100-year flood; base flood elevations and
35 36 flood hazard factors not determined.
AO Areas of 100-year shallow flooding where depths
4
are between one (1) and three(3)feet;average depths
of inundation are shown, but no flood hazard factors
are determined.
AH Areas of 100-year shallow flooding where depths
Iare between one (1) and three (3) feet; base flood
elevations are shown, but no flood hazard factors -
CITY OF LONGMONT Q are determined. base= Z Al-A30 Areas of
hazard Ofactors flood;
nee,flood elevations and
floodO A99 Areas of 100-year flood to be protected by flood
Z co elevations
system under construction; base flood
W elevations and flood hazard factors not determined.
B I Areas between limits of the 100-year flood and 500-
year flood;or certain areas subject to 100-year flood-
ing with average depths less than one(1)foot or where
t #.. ZONE C ' C the contributing drainage area is less than one square
us mile;or areas protected by levees from the base flood.
(Medium shading)
GRINOOK ' Q C Areas of minimal flooding.(No shading)
AVENUE \ co
cc D Areas of undetermined, but possible, flood hazards.
V Areas of 100-year coastal flood with velocity (wave
W action);base flood elevations and flood hazard factors
not determined.
cc VII-V30 Areas of 100-year coastal flood with velocity (wave
CL action);base flood elevations and flood hazard factors
determined.
NOTES TO USER I
_ areas not in the special flood.hazard areas zones A and V
--_,.T�3 N � _ —_ _ __--_——_— -- - _ ____ Certain- P ( ) _
x,j a 3 N. T 2 N may be protected by flood control structures.
EAST _RP R T WITS This map is for flood insurance purposes only;
T.2 N. 9TH AVENUE l��- p p y; it does not ity or
sarily show all areas subject to flooding in the community or
all planimetric features outside special flood hazard areas.
Coastal base flood elevations apply only landward of the shoreline
\ I shown on this map.
IFor adjoining map panels, see separately printed Index To Map
Panels.
ZONE C INITIAL IDENTIFICATION:
H I OCTOBER 26, 1973
Lu
F I FLOOD HAZARD BOUNDARY MAP REVISIONS:
I ,
r
EAST LONGS PEAK AVENUE
FLOOD INSURANCE RATE MAP EFFECTIVE: ��..
Z JULY 5, 1977
O I Z
FLOOD INSURANCE RATE MAP REVISIONS:
U
ST. 0 Map revised August 1, 1983 to change special flood hazard areas,
Lu flood boundaries, base flood elevations, corporate limits, and
c�gzR l ? w
cultural features.
o / m Map revised September 18, 1987 to change flood plain boundaries,
o PLACE
zone designations, base flood elevations, corporate limits, scale,
J i cultural features,or map format.
Z
Q �
a � \
Z I
t ' O BOULDER
COUNTY
^ �.,
L 1 � Flood Insurance Rate Map (FIRM) panel numbers correspond to
EAST STH AVENUE I BOULDER COUNTY,COLORADO FIRM panel numbers. For
adjoining areas,refer to the BOULDER COUNTY FIRM published
separately.
i \ i
ZONE C \
To determine if flood insurance is available in this community,
\ ` contact your insurance agent,or call the.National Flood Insurance
's i. \ `— Program,at(800) 638-6620.
CITY OF LONGMONT APPROXIMATE SCALE IN FEET
500 0 500
• � ♦ i I
Lu
t
NATIONAL FLOOD INSURANCE PROGRAM
GE S ` I
CORPORATE LIMITS �—
REq r
WESTERNFIRM
SUGARMILL ROAD I FLOOD INSURANCE RATE MAP
+----1--I—�— / co
( I �
` W p= 0=
W
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AH
9 �
� - CITY OF
4924 LONGMONT,
. nr ZONE ZONE C I COLORADO
4922 —
ZONE C BOULDER COUNTY
x Z
m -J
4920
�f PANEL 68 OF 225 �.
% • €R � t �� 4919 Z (SEE MAP INDEX FOR PANELS NOT PRINTED)
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ZONE gy 21
CR � Z
4916
Z f
BASE
LINE co COMMUNITY-PANEL NUMBER
G � UJ 080027 0068 C
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s a MAP REVISED:
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e EP EM ER 18 1987
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ZONEDETA PRIME A Cr URBANI � t —AR Federal Emergency Management
t Agency
JOINS PANEL 0150 f