FLOOD10741

• County: Weld
• Community: Weld County and Unincorporated Areas
• Title: FIRM - Weld County and Unincorporated Areas - Panel 605D
• Date: 9/27/1991
• Prepared For: Weld County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

[IQ]

9

10

11

Windsor Reservoir-
Ou tlet

16

[ill

Town of Windsor
(AREA NOT INCLUDED)

ZONE C

15

[@

ZONE C

18

17

14

KEY TO MAP

SOO-Year Flood Boundary

100-Year Flood Boundary----

Zone Designations

lOO-Year Flood Boundary
SOO-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

-M1.5

**Referenced to the National Geodetic Vertical Datum of 1929

EXPLANATION OF ZON E DESIGNATIONS

ZONE
A
AO
AH
1m A1-A30
0
<0 A99
0
@ ....l
@ UJ
Z
<(
a.. B
(/)
z
0
J
C
0
V
V1-V30

ELEVATION REFERENCE MARKS

20

REFERENCE ELEVATION
MARK (FT.NGVD)
RM18 4789.49
RM19 4780.72
*RM20 4769.26
RM21 4753.86
RM22 4740.44
RM23 4764.81

Co/.
OJ}>A
"1 DO

DESCRIPTION OF lOCATION

Brass cap set in concrete, northeast concrete abutment, Larimer-
Weld County Road.

Top of concrete, left abutment of the Eaton Ditch Diversion. The
point in line with the weir axis, and the edge of the abutment
adjacent to the river.

Top of concrete, southeast corner of the northeast abutment of
Weld County Road 17 bridge.

Top of concrete, southeast corner of the northwest abutment of
Colorado State Highway 257 bridge.

Top of concrete, northeast corner of headwall for box culvert along
main channel of Poudre River near Windsor Wastewater Treatment
Plant.

22

USGS Brass cap located in the southeast corner Section 23, T6N, R
67W, along the Colorado and Southern railroad tracks.

23

24

* LOCATED IN AREA NOT INCLUDED

-411; D

ZONE C

23

ZONE C

FLOODING EFFECTS FROM
CACHE lA POUDRE RIVER

<:
Q.::
~
CI)
~

D

ZONE C

FLOODING EFFECTS FROM
CACHE lA POUDRE RIVER

Whitney

30

*
~

Dith

ZONE CB

ZONE C

Town of Windsor
AREA NOT INCLUDED

I
I

29

ZONE C

FLOODING EFFECTS FROM
CACHE LA POUDRE RIVER

31

ZONE A6
(EL 4750)

3:1
0c'
<.0
C't::

~
'"
<..0
0::

T6N
T5N

5

3

15N

ZONE C

I
I

6

Ok /allOnZ(!

Re:-;ervoir

EXPLANATION

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

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

Areas 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
protection system under construction; base flood
elevations and flood hazard factors not determ ined.

Areas between limits of the lOa-year flood and 500-
year flood; or certain areas subject to 1 OO-year flood-
ing 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 the base flood.
(Medium shading)

Areas of minimal flooding. (No shading)

Areas of undetermined, but possible, flood hazards.

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

Areas 100-year coastal flood with velocity (wave
. base flood elevations and flood hazard factors

NOTES TO USER

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.

Areas of special flood hazard (lOO-year flood) include Zones A, AI-30, AE,
AH, AO, A99, V, VI-30 AND VE.

Certain areas not in the Special Flood Hazard Areas (zones A and V) may be
protected hy flood control structures.

Coastal base flood elevations apply only landward of the shoreline shown on
this map.

For adjoining map panels, see separately printed Index to Map Panels.

iNITIAL IDENTIFICATION:
MARCH 21,1978

FLOOD HAZARD BOUNDARY MAP REVISIONS:

FLOOD INSURANCE RATE l'vlAP EFFECTIVE:
MARCH 18, 1980

FLOOD INSURANCE RATE MAP REVISIONS:

September 28, 1982; Panel revised to F.E.M.A. title block.

Map revised September 27, 1991 to update corporate limits, to change
base flood elevations, to add base flood elevations, to change special
flood hazard areas and to change zone designations.

To c1etermine if flood insurance is available in this community,
contact your insurance agent, or call the National Flood Insurance
Program, at [phone].

.

APPROXIMATE SCALE IN FEET
1000 1000

. NATIONAL FLOOO INSURANCE PROGRAM

I
FLOOD INSURANCE

WELD COUNTY~
LORADO
(UNINCORPORATED AREAS)

605 OF 10

(SEE MAP INDEX FOR PANELS NOT PRINTED)

I I
III,
ri

COMMUNITY.P ANEL NUMBER
080266 0605 D
MAP REVISED:
SEPTEMBER 27, 1991

Federal Emergency Management Agency