FLOOD10568 ‎(2)‎

• County: Boulder
• Community: Boulder County and Incorporated Areas
• Title: FIRM - Boulder County and Incorporated Areas - Panel 288F
• Date: 6/2/1995
• Prepared For: Boulder County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

F

L

AREAS INUNDATED

ZONE AI:

Base flood elevations determined.

105007'30"
Lloo09'22"

Q)
c.o
N f-
a f- a::.
....J MILLER a::. :::J
LJ.J :r: :::J e
z f- r-, U
<( DRIVE :::J U
D.. e
(f) z
(f) e
z f-
0 D..
...., :;:.;:
LJ.J
OL:

ZONE AH

Flood of
of

ELEVATION REFERENCE MARKS
REFERENCE ELEVATION
MARK (FEET NGVD) DESCRIPTION OF lOCATION

1

RM6 4956.93 A Ci t Y of longmont brass cap
( Numb e r 77 ) set i n con c r e e,
located at southwest corner of
intersect ion of James Street and
Grand Avenue, at radius point of
corner, 26 feet from back of curb.

ZONE AO Flood depths of 1 to 3 feet iusuallv sheet
flow on terrain); a\erage
determined. areas of alluvial fan
velocities also determined.

ZONE A99

RM8

4956.96 A Ci ty of longmont brass cap
(Number 76) set in concl'ete on
north end of traffi c island at
intersect ion of South Coffman
Street and South Pratt Parkway, at
radius point of corner, 26 feet
from back of curb.

ZONE V

Coastal flood with
action'!; no base flood

ZONE VE

a:::
RM9 4953.73 A brass Colorado State Highway W LL ZONE X
right-of-way marker stamped "48+00" 0 0
-1
in concrete located 1 . 1 mi Ie s south :J >-
of longmont C i t Y Ho I I , 0 t::
o p pro x i mo tel y 700 fee t south of CD U
center of l eft Hand Creek, 1 8 fee t NELSON ROAD
south, 29 fee t east and level wit h
junction of U. S. Highway 287 and
Qua i I Road, at fence corner.

FLOODWAY AREAS IN ZONE AE

OTHER FLOOD AREAS

ZONE X of SOO-year flood;
lIood with
1 foot
1 square
levees from

OTHER AREAS

ZONE X Areas determined to be outside
floodplain.

ZONE 0

Areas in which flood hazards
undetermined.

2

ZONE X
......
r Lu
\ z w
n a::. f-
e f-
(f) LJ.J
r w
ZONE AE z :r: a::.
U f-
(j) (j)
:::J (f)
ro w
-r I 2
j::: f- <(
:::J ....,
(j) :::J "
-j e US
:0 (j)
m
m
-j
IOWA AVENUE
ZONE X
KANSAS AVEf'JUE

UNDEVELOPED COASTAL BARRIERS

>-
<
5
OL:
a::.
2t

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

Flood Boundary

Floodway Boundary

S
0::
D..

I
f-
:::J
e
U)

Zone D Boundary

~513~

Boundary
Hazard
Dividing
Coastal
Within
Zones.

Base Flood
Elevation in
for Elevation

Dividing Special
Zones, and Boundary
Areas of Different
Base Flood
Special Flood

JERSEY

KANSAS

o
:J:J
<:
r:-;

:r:
f-
:::J
e
U)

f-
w
LJ.J
f::
(f)

Cross Section

ZONE X

RM7X
. M2

Base Flood
Where Uniform
See Map Index for

Elevation Reference Mark

in Feet
Zone.
Datum.

LOUISANA

ZONE X

(EL 987)

LONGMONT
080027
HOLLY HOLLY AVENUE
f- f-
LJ.J LJ.J f- f-
LJ.J LJ.J W
a: a::. w w
W
t- f- a::. a::. f-
(f) (j) f- f- w
(f) w
Z (J) (f) a::.
e U z f- f-
U) Z <( (f)
0 <( :;:.;: z
<(
~ a::. a::. a::. z
\.L W ....J
:r: (9 e
:r: :r: (f) u
f- f- I Z
:::J :::J f- :::::i
e e I :::J
(j) U) f- e
::> (j) :r:
e f-
(f) :::J
FLINT PLACE e
U)

97007'30", 32022'30"

River Mile

Horizontal Coordinates Based on North
American Datum of 1927 271
Projection.

NOTES

f-
LJ.J
U)
Z
::>
(j)

This map is for use in administering the National Flood Insurance
it does not necessarily identify all areas subject to flooding.
local drainage sources of small size, or all planimetric
Special Flood Hazard Areas.

Coastal base flood elevations only landv\ard of 0.0 NGVD, and include
the effects of wave action; elevations also differ
from those developed by the National Service for
evacuation planning.

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

3

LEFTHAND CIRCLE

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

BOULDER COUNTY
UNINCORPORATED AREAS
080023

Boundaries of the floodways Nere computed at cross seotions and
interpolated betvveen cross sections. The floodvvays based on
hydraut:c considerations Nith regard to requirements of the
Emergency Management Age'1cy.

PIKE ROAD

PIKE ROAD

15

CORPORATE LIMITS
(J)
WALNUT STREET CD
N
SOUTHRIDGE a
....J
PLACE f- LJ.J
Z
W W cf:
LJ.J Z
a::.
I- <( (j)
(f) ....J Z
0
....,
>-
a::.
w
2 HICKORY STREET
w
>-
ZONE X a::.
f-
Z
CHALLENGER :::J
e
COURT u
:r: a::.
w
f- >-
:::J ....J
e ....J
(f) e
u
CORPORATE LIMITS

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

This map may boundaries of
Resource and Otherv\!ise Protected Areas established
under the Barrier Improvement Act of 1990 iPL

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

f-
W
W
a::.
f-
(j)

For
Section 6.0

map revision history
the Flood Insurance

to countywide mapping, see
Report.

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

printed

MAP REPOSITORY
Refer to Repository Listing on Map Index

ZONE X

EFFECTIVE DATE OF
COUNTYWIDE FLOOD INSURANCE RATE MAP:

JUNE 2. 1995

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

Refer to the FLOOD INSURANCE RATE MAP EFFECTIVE shown
on this map to determine when actuarial rates to struotures in
zones v,here elevations or depths been established.

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

ZOf)JE X
/

BOULDER COUNTY
UNINCORPORA TED
080023

APPROXIMATE SCALE IN FEET
500 0 500

NORTH 107TH STREET

l---i

I--i I--i

5

I-
z
~I PLATEAU
(9
Z
0
-1 a:::
LL W
0 0
-1
>- :J
1-- 0
U CD

. NATIONAL FLOOD INSURANCE

ROAD

BOULDER
COLORADO
INCORPORATED

CORPORATE LIMITS

ZONE X

21

ZONE X

LONGMOIJT. CiTY OF

22

JOINS

40007'30"
105005'37"

NOTE: MAP AREA SHOWN ON THIS PANEL IS LOCATED WITHIN
TOWNSHIP 2 NORTH AND RANGE 69 WEST

LlOOO7'30"
105007'30"

6

Federal