HomeMy WebLinkAbout20240516.tiffFederal Emergency Management Agency
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
The Honorable Kevin Ross
Chair, Board of Commissioners
Weld County
1150 O Street
Greeley, CO 80631
Dear Chair Ross:
Washington, D.C. 20472 RECEIVED
February 15, 2024
FEB 2 7 2024
WELD COUNTY
IN REPLY REFER TO: COMMISSIONERS
Case No.: 24-08-0075P
Community Name: Weld County, CO
Community No.: 080266
Effective Date of
This Revision: February 15, 2024
The Flood Insurance Study report and Flood Insurance Rate Map for your community have been revised by this
Letter of Map Revision (LOMR). Please use the enclosed annotated map panel revised by this LOMR for floodplain
management purposes and for all flood insurance policies and renewals issued in your community.
Additional documents are enclosed which provide information regarding this LOMR. Please see the List of
Enclosures below to determine which documents are included. Other attachments specific to this request may be
included as referenced in the Determination Document. If you have any questions regarding floodplain management
regulations for your community or the National Flood Insurance Program (NFIP) in general, please contact the
Consultation Coordination Officer for your community. If you have any technical questions regarding this LOMR,
please contact the Director, Mitigation Division of the Department of Homeland Security's Federal Emergency
Management Agency (FEMA) in Denver, Colorado, at (303) 235-4830, or the FEMA Mapping and Insurance
eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP). Additional information about the NFIP is
available on our website at https://w ssss.terna.,o%/floorinsurance
Sincerely,
Patrick "Rick" F. Sacbibit, P.E., Branch Chief
Engineering Services Branch
Federal Insurance and Mitigation Administration
List of Enclosures:
cc:
Letter of Map Revision Determination Document
Annotated Flood Insurance Rate Map
Annotated Flood Insurance Study Report
Matt LeCerf
Town Manager
Town of Johnstown
Dawn Anderson
Development Review Manager
Weld County
Terri Fead. P.E., CFM
Floodplain Mapping Coordinator
Colorado Water Conversation Board
Kevin Houck, P.E., CFM
Chief Watershed and Flood Protection Section
Colorado Water Conversation Board
Marta Blanco Castano, GISP, CFM
Flood Mapping Program Assistant
Colorado Water Conservation Board
CoNmusE &ti0A3
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PW (cH/oo) 02./241/2.4
2024-0516
Page 1 of 5 Issue Date: February 15, 2024 I Effective Date: February 15, 2024 I Case No.: 24-08-0075P I LOMR-APP
Federal Emergency Management Agency
°, "``` Washington, D.C. 20472
LETTER OF MAP REVISION
DETERMINATION DOCUMENT
COMMUNITY AND REVISION INFORMATION
PROJECT DESCRIPTION
BASIS OF REQUEST
COMMUNITY
Weld County
Colorado
(Unincorporated Areas)
NO PROJECT
REISSUANCE
COMMUNITY NO.: 080266
IDENTIFIER
Johnstown Farms Reissue — Reissuance of 22-08-0435P
APPROXIMATE LATITUDE & LONGITUDE: 40.323, -104.903
SOURCE: USGS QUADRANGLE DATUM: NAD 83
ANNOTATED MAPPING ENCLOSURES
ANNOTATED STUDY ENCLOSURES
TYPE: FIRM* NO.: 080123C1684F DATE: November 30, 2023
DATE OF EFFECTIVE FLOOD INSURANCE STUDY: November 30, 2023
FLOODWAY DATA TABLE: 23
SUMMARY OF DISCHARGES TABLE: 9
Enclosures reflect changes to flooding sources affected by this revision.
FIRM - Flood Insurance Rate Map
FLOODING SOURCE(S) & REVISED REACH(ES)
Little Thompson River - from approximately 230 feet downstream of County Road 46.5 to approximately 1,910 feet downstream of County Road 17
SUMMARY OF REVISIONS
This Letter of Map Revision (LOMR) is a partial reissuance of a LOMR that became effective on July 28, 2023 (Case No. 22-08-0435P). The July 28, 2023, LOMR
revised the Special Flood Hazard Areas (SFHAs), the areas subject to inundation by the base (1 -percent -annual -chance) flood, regulatory floodway and BFEs*, along
the Little Thompson River. A portion of the July 28, 2023, LOMR was incorporated in the Physical Map Revision (PMR) study that became effective on November 30,
2023, and the remaining portion of the LOMR outside of the PMR footprint is being reissued with this LOMR according to FEMA PMR Guidance Document 38. This
LOMR does not revise the base floodplain, BFEs or floodway along Little Thompson River as presented in the July 28, 2023 LOMR.
BFEs - Base (1 -percent -annual -chance) Flood Elevations
DETERMINATION
This document provides the determination from the Department of Homeland Security's Federal Emergency Management Agency (FEMA)
regarding a request fora Letter of Map Revision (LOMR) for the area described above. Using the information submitted, we have determined that
a revision to the flood hazards depicted in the Flood Insurance Study (FIS) report and/or National Flood Insurance Program (NFIP) map is
warranted. This document revises the effective NFIP map, as indicated in the attached documentation. Please use the enclosed annotated map
panels revised by this LOMR for floodplain management purposes and for all flood insurance policies and renewals in your community.
This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If you have any
questions about this document, please contact the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP) or by letter addressed to the
LOMC Clearinghouse, 3601 Eisenhower Avenue, Suite 500, Alexandria, VA 22304-6426. Additional Information about the NFIP is available on our website at
https://www.fema.gov/flood-insurance.
Patrick "Rick" F. Sacbibit, P.E., Branch Chief
Engineering Services Branch
Federal Insurance and Mitigation Administration 24-08-0075P 102-D
Page 2 of 5 Issue Date: February 15, 2024 I Effective Date: February 15, 2024 I Case No.: 24-08-0075P I LOMR-APP
'� Federal Emergency Management Agency
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V V Washington, D.C. 20472
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LETTER OF MAP REVISION
DETERMINATION DOCUMENT (CONTINUED)
OTHER COMMUNITIES AFFECTED BY THIS REVISION
CID Number:
080250 Name: Town of Johnstown, Larimer County, Colorado
AFFECTED MAP PANELS
AFFECTED PORTIONS OF THE FLOOD INSURANCE STUDY REPORT
TYPE: FIRM NO.:
08069C1410G DATE January 15, 2021
DATE OF EFFECTIVE FLOOD INSURANCE STUDY: January 15, 2021
PROFILE: 323P
FLOODWAY DATA TABLE: 23
SUMMARY OF DISCHARGE TABLE: 9
This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If you have any
questions about this document, please contact the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP) or by letter addressed to the
L0MC Clearinghouse, 3601 Eisenhower Avenue, Suite 500, Alexandria, VA 22304-6426. Additional Information about the NFIP is available on our website at
https://www.fema.gov/flood-insurance. .r
Patrick "Rick" F. Sacbibit, P.E., Branch Chief
Engineering Services Branch
Federal Insurance and Mitigation Administration 24-08-0075P 102-D
Page 3 of 5 I Issue Date: February 15, 2024 I Effective Date: February 15, 2024 I Case No.: 24-08-0075P I LOMR-APP
Federal Emergency Management Agency
9r Washington, D.C. 20472
D SY�'4
LETTER OF MAP REVISION
DETERMINATION DOCUMENT (CONTINUED)
COMMUNITY INFORMATION
APPLICABLE NFIP REGULATIONS/COMMUNITY OBLIGATION
We have made this determination pursuant to Section 206 of the Flood Disaster Protection Act of 1973 (P.L. 93-234) and in accordance
with the National Flood Insurance Act of 1968, as amended (Title XIII of the Housing and Urban Development Act of 1968, P.L. 90-448),
42 U.S.C. 4001-4128, and 44 CFR Part 65. Pursuant to Section 1361 of the National Flood Insurance Act of 1968, as amended,
communities participating in the NFIP are required to adopt and enforce floodplain management regulations that meet or exceed NFIP
criteria. These criteria, including adoption of the FIS report and FIRM, and the modifications made by this LOMR, are the minimum
requirements for continued NFIP participation and do not supersede more stringent State/Commonwealth or local requirements to which
the regulations apply.
COMMUNITY REMINDERS
We based this determination on the 1 -percent -annual -chance flood discharges computed in the FIS for your community without
considering subsequent changes in watershed characteristics that could increase flood discharges. Future development of projects
upstream could cause increased flood discharges, which could cause increased flood hazards. A comprehensive restudy of your
community's flood hazards would consider the cumulative effects of development on flood discharges subsequent to the publication
of the FIS report for your community and could, therefore, establish greater flood hazards in this area.
Your community must regulate all proposed floodplain development and ensure that permits required by Federal and/or
State/Commonwealth law have been obtained. State/Commonwealth or community officials, based on knowledge of local conditions
and in the interest of safety, may set higher standards for construction or may limit development in floodplain areas. If your
State/Commonwealth or community has adopted more restrictive or comprehensive floodplain management criteria, those criteria take
precedence over the minimum NFIP requirements.
We will not print and distribute this LOMR to primary users, such as local insurance agents or mortgage lenders; instead, the community
will serve as a repository for the new data. We encourage you to disseminate the information in this LOMR by preparing a news release
for publication in your community's newspaper that describes the revision and explains how your community will provide the data and
help interpret the NFIP maps. In that way, interested persons, such as property owners, insurance agents, and mortgage lenders, can
benefit from the information.
This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If you have any
questions about this document, please contact the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP) or by letter addressed to the
LOMC Clearinghouse, 3601 Eisenhower Avenue, Suite 500, Alexandria, VA 22304-6426. Additional Information about the NFIP is available on our website at
https://www.fema.gov/flood-insurance.
Patrick "Rick" F. Sacbibit, P.E., Branch Chief
Engineering Services Branch
Federal Insurance and Mitigation Administration 24-08-0075P 102-D
Page 4 of 5 Issue Date: February 15, 2024 I Effective Date: February 15, 2024 , Case No.: 24-08-0075P I LOMR-APP
~�, �'__ Federal Emergency Management Agency
° ' Washington, D.C. 20472
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LETTER OF MAP REVISION
DETERMINATION DOCUMENT (CONTINUED)
We have designated a Consultation Coordination Officer (CCO) to assist your community. The CCO will be the primary liaison between
your community and FEMA. For information regarding your CCO, please contact:
Ms. Jeanine D. Petterson
Director, Mitigation Division
Federal Emergency Management Agency, Region VIII
Denver Federal Center, Building 710
P.O. Box 25267
Denver, CO 80225-0267
(303) 235-4830
STATUS OF THE COMMUNITY NFIP MAPS
We will not physically revise and republish the FIRM and FIS report for your community to reflect the modifications made by this LOMR
at this time. When changes to the previously cited FIRM panel(s) and FIS report warrant physical revision and republication in the
future, we will incorporate the modifications made by this LOMR at that time.
This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If you have any
questions about this document, please contact the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP) or by letter addressed to the
LOMC Clearinghouse, 3601 Eisenhower Avenue, Suite 500, Alexandria, VA 22304-6426. Additional Information about the NFIP is available on our website at
https://www.fema.gov/flood-insurance.
1
Patrick "Rick" F. Sacbibit, P.E., Branch Chief
Engineering Services Branch
Federal Insurance and Mitigation Administration 24-08-0075P 102-D
Page 5 of 5 I Issue Date: February 15, 2024 I Effective Date: February 15, 2024 1 Case No.: 24-08-0075P I LOMR-APP
= Federal Emergency Management Agency
Washington, D.C. 20472
ar''' N.,StCa'
LETTER OF MAP REVISION
DETERMINATION DOCUMENT (CONTINUED)
PUBLIC NOTIFICATION OF REVISION
The flood hazard information along Little Thompson River, as presented in this LOMR, became effective on July 28, 2023, following a
90 -day appeal period for Case No.: 22-08-0435P. Therefore, we will not republish the flood hazard information in the local newspaper.
This revision effective as of the date of this letter. Any request to review or alter this determination should be made withing 30 days and
must be based on scientific data.
This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this determination. If you have any
questions about this document, please contact the FEMA Mapping and Insurance eXchange (FMIX) toll free at 1-877-336-2627 (1-877-FEMA MAP) or by letter addressed to the
LOMC Clearinghouse, 3601 Eisenhower Avenue, Suite 500, Alexandria, VA 22304-6426. Additional Information about the NFIP is available on our website at
https://www.fema.gov/flood-insurance.
Patrick "Rick" F. Sacbibit, P.E., Branch Chief
Engineering Services Branch
Federal Insurance and Mitigation Administration 24-08-0075P 102-D
Table 9: Summary of Discharges (continued)
REVISED
DATA
Flooding
Source
Location
Drainage
Area
(Square
Miles)
Peak
Discharge
(cfs)
10%
Chance
Annual
4%
Chance
Annual
2%
Chance
Annual
1%
Chance
Annual
1%
Chance
Annual
Plus
Annual
Chance
0.2%
Dry Gulch
At
Thompson
Confluence
with
River
Big
6.25
1,200
*
2,150
2,600
*
4,100
East
Diversion
Vine
At
Canal
Larimer
and
Weld
58.6
30
*
163
330
Fall
River
At
Thompson
Confluence
with
River
Big
39.9
450
*
610
680
*
830
Fall
River
At
Corporate
Estes
Park
Limits
37.3
450
*
610
680
830
Fall
River
At
Study
Upstream
Limit
Detailed
37.3
450
*
610
680
830
Fish
Creek
At
Lake
Estes
16.0
105
*
280
400
*
840
Fish
Creek
At
Corporate
Estes
Park
Limits
13.4
105
*
208
400
*
840
Fish
Creek
At
Study
Upstream
Limit
Detailed
13.4
105
*
280
400
*
840
Fox Creek
At
North
Thompson
Confluence
Fork
with
Big
River
7.35
1,200
*
2,200
2,750
*
4,800
Little
River
1.2
of
miles
County
downstream
Road
15
186.5
4,636
7,381
10,795
15,765
20,810
32,297
Thompson
►
Little
River
Thompson
900
County
feet
downstream
Road
17
of
165.9
4,626
7,378
10,638
15,502
20,463
31,555
Little
River
Thompson
At
County
Larimer-Weld
Line
132.1
4,636
7,381
10,795
15,765
20,810
30,769
Little
River
At
Creek
confluence
of
Dry
122.4
4,303
7,188
11,039
16,115
21,272
28,298
Thompson
44
REVISED TO
REFLECT LOMR
EFFECTIVE: February 15, 2024
Table 9: Summary of Discharges
REVISED
DATA
Flooding Source
Location
Drainage
Area
(Square
Miles)
Peak Discharge (cfs)
10% Annual
Chance
4% Annual
Chance
John Law Ditch
West Tributary
At Nankeen Drive
*
*
John Law Ditch —
West Tributary
Upstream of State
Highway 392
7.3
*
*
John Law Ditch
West Tributary
Downstream of County
Road 19
6.1
*
*
John Law Ditch —
Whitney Flow Path
At Confluence with John
Law Ditch — FRE SE
Flow Path
*
*
Little Thompson
River
At Milliken
196
4,624
7,378
2% Annual
Chance
*
*
*
10,638
1% Annual
Chance
2,391
665
153
143
15,502
*
*
*
*
*
0.2%
Annual
Chance
*
*
31,555
cif
Little
River
Thompson
900
County
feet
downstream
Road
17
of
165.9
4,626
7,378
10,638
15,502
20,463
31,555
Little Thompson
River
1.2 miles downstream of
County Road 15
186.5
4,636
7,381
Little Thompson
River
At Larimer-Weld County
Line
132.1
3,645
6,941
Little Thompson
River Railroad Split
At Approximately 845
feet upstream of N.
Josephine Avenue
*
1
69
Little Thompson
River -Schaal Split
At confluence with Little
Thompson River
*
1
1
10,795
10,646
200
21
Little Thompson
River SH60 Split
*Data not Available
At Approximately 2740
feet upstream of S.
Kathleen Avenue
*
16
48
590
2,360
REVISED TO
REFLECT LOMR
EFFECTIVE: February 15, 2024
LOCATION
FLOODWAY
1%
ANNUAL
ELEVATION
CHANCE
FLOOD
(FEET
NAVD88)
WATER
SURFACE
SECTION
CROSS
DISTANCE'
WIDTH
(FEET)
SECTION
(SQ.
AREA
(FEET/SEC)
VELOCITY
MEAN
REGULATORY
FLOODWAY
WITHOUT
FLOODWAY
WITH
INCREASE
FEET)
A
1.706
1,012
2,499
4,735.9
4,735.9
4,735.9
B
9,188
1,226
4,456
4,756.9
4,756.9
4,757.2
C
10,626
1,446
3,959
0)
Co
4,760.0
4,760.0
4,760.4
D
11,412
1,419
4,036
4,761.9
4,761.9
4,762.4
E
14,077
726
3,941
4,770.2
4,770.2
4,770.5
F
16,273
571
3,006
4,774.1
4,774.1
4,774.6
G
18,328
940
4,785
4,777.6
4,777.6
I
4,778.1
21,852
951
4,149
3.7
4,784.1
4,784.1
4,784.5
0.4
H
26,963
1,380
5.105
3.1
4,793.9
4,793.9
4,794.2
29,675
1,124
4,812
3.3
4,796.6
4,796.6
4,797.1
32,704
2,550
6,304
2.5
4,803.9
4,803.9
4,804.4
35,220
2,233
3,309
4.8
4,807.7
4,807.7
4,807.7
38,460
1,160
2,376
6.6
4,814.6
4,814.6
4,814.7
40,957
750
3,386
4.7
4,821.2
4,821.2
4,821.3
44,524
885
5,190
3.0
4,827.4
4,827.4
4,827.7
46,895
787
3,178
6.5
4,830.2
4,830.2
4,830.3
r r
49,327
685
1,563
10.1
4,836.5
4,836.5
4,836.6
51,063
331
2,412
6.5
4,840.8
4,840.8
4,841.1
54,671
360
2,146
7.3
4,848.4
4,848.4
4,848.9
57,640
166
1,446
10.9
4,854.2
4,854.2
4,854.6
59,071
1,152
2,234
7.2
4,863.2
4,863.2
4,863.2
Revised a
'Feet above confluence with Big Thompson River
FEDERAL EMERGENCY MANAGEMENT AGENCY
WELD COUNTY, CO
AND INCORPORATED AREAS
REVISED TO
FLOODWAY DATA REFLECT LOMR
EFFECTIVE: February 15, 2024
FLOODING SOURCE: LITTLE THOMPSON RIVER
100
LOCATION
FLOODWAY
1%
ANNUAL
ELEVATION
CHANCE
FLOOD
(FEET
NAVD88)
WATER
SURFACE
C
ROSS
DISTANCE
WIDTH
SECTION
AREA
VELOCITY
MEAN
REGULATORY
WITHOUT
WITH
INCREASE
SECTION
(FEET)
(SQ.
FEET)
(FEET/SEC)
FLOODWAY
FLOODWAY
A -G2
I
H
21,852
951
4,149
3.7
4,784.1
4,784.1
4,784.5
0.4
ised
Data
W-AC2
K-02
AD
AE
AF
AG
AH
AJ
AK
AL
AM
AN
AO
AP
AQ
JI
R
S
T
U
V
Al
100,905
103,789
106.196
109,018
111,360
114,974
116,678
117,564
120,191
26,963
29,675
51,063
54,671
57,640
59,071
63,612
90,209
92,820
95,543
96,686
99,153
I2 1,380
1,124
331
1,152
1,450
580
1,741
1,110
360
166
744
362
917
818
545
371
393
585
594
492
425
/
/
1413
1943
5,105
4,812
2,412
2,146
1,446
2,234
4,136
3,386
3,364
3,271
2,069
2,621
4,976
4,119
1,700
2,357
4,545
4,527
3,131
2,270
2,278
10.9
_
3.1
3.3
6.5
7.3
7.2
3.9
4.8
4.6
4.7
7.4
5.9
3.1
3.4
8.2
5.9
3.1
3.1
4.5
6.2
6.2
4,793.9
4,796.6
4,840.8
4,848.4
4,854.2
4,863.2
4,872.7
4,931.3
4,939.0
4,944.0
4,948.3
4,956.2
4,962.9
4,972.3
4,976.1
4,989.2
5,000.9
5,011.6
5,019.8
5,024.0
_ 5,037.1
4,793.9
4,796.6
4,840.8
4,848.4
4,854.2
4,863.2
4,872.7
4,931.3
4,939.0
4,944.0
4,948.3
4,956.2
4,962.9
4,972.3
4,976.1
4,989.2
5,000.9
5,011.6
5,019.8
5,024.0
5,037.1
4,794.2
4,797.1
4,841.1
4,848.9
4,854.6
4,863.2
4,872.9
4,931.3
4,939.5
4,944.0
4,948.5
4,956.2
4,962.9
4,972.7
4,976.4
4,989.7
5,001.4
5,011.7
5,020.2
5,024.5
_ 5,037.5
0.3
0.5
0.3
0.5
0.4
0.0
0.2
0.0
0.5
0.0
0.2
0.0
0.0
0.4
0.3
0.5
0.5
0.1
0.4
0.5
0.4
Feet
2Located
3Total
above
floodway
in
confluence
Weld
width
County
and
with
FIS
width
Big
Thompson
within
Larimer
River
County
H
FEDERAL
EMERGENCY
MANAGEMENT
AGENCY
REVISED
TO
FLOODWAY
DATA REFLECT
LOMB
EFFECTIVE:
February
15,
2024
LA
RIMER I
M
E
R C O U
NTY,
CO
m
`"'
AND
INCORPORATED
AREAS
FLOODING
SOURCE:
LITTLE
THOMPSON
RIVER
133
4,830
4,830
EVISED TO
EFLECT LOMR
FFECTIVE: February 15, 2024
4,820
in
4,820
co
a
O
Q
0
0
cc
CC
II
RAI LF
I
w
>
z
CC
O
4,810Z.
4,810
J
REVISED
REACH
z
-
0
O
V
Cl-
4,800
4,800
0
O
0
0
�-
>
? 4,790
4,790
LLJ
•
__
-
. .
- •
-
Z
_
-
��
-
„.
_
-
• . .
-
O_
,-4
-
------
..
-
_
F-
`
---r
-�-`
Q 4,780
-
4,780
-
................
w
--------------
/
1
z
4,770
4,770
w
I CU
Q
z
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Q
° z
-
L.9
4,760
4,760
LEGEND
0.2% CHANCE
z
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1
ANNUAL
••-•.-••-••- "1%+"
FLOOD
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ANNUAL CHANCE FLOOD
z ry it
1% ANNUAL CHANCE FLOOD
III
0
w
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4,750
2% ANNUAL CHANCE FLOOD
III z
- • _ -- • - 4% ANNUAL CHANCE
-
FLOOD
W O
Et
- 10% ANNUAL CHANCE
FLOOD
z
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DC
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H
/fows\
A
STREAM
CROSS SECTION
BED
LOCATION
Lu
O
LLI
4,740
18,500 19,000
19,500
20,000 20,500
STREAM
DISTANCE
21,000
IN
FEET
21,500
ABOVE
CONFLUENCE
22,000
WITH
BIG
22,500
THOMPSON
23,000
RIVER
23,500 24,000 24,500
25,000
323P
NOTE: MAP AREA SHOWN ON THIS PANEL IS LOCATED WITHIN TOWNSHIP
4 NORTH, RANGE 67 WEST AND TOWNSHIP 4 NORTH, RANGE 68 WEST.
w
Weld County
Unincorporated Areas
(Area Not Included)
w _
w
Z
CHARLOTT ST
Weld County
Weld County Unincorporated Areas
Unincorporated Areas (Area Not Included)
(Area Not Included)
S 1ST ST
WADAS
C
T
•
DEE RD
0
Z
Q'
Z
-J
Z
J
2 Z
} O
Z --O
O ~.1anu
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0 w
ce
w
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8 CENTENNIAL
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g RIVIERA
LN
LA COSTA LN
DEE RD
r
X
-
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a
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1
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2
w
w
,_r
CASTLE
PINES AVE
Z
p
0
U.
REVISED AREA
Town of
Johnstown
080250
'ST
�t9
t<
46
03
9
9
4782.1
tea
Bridge
17;
SPECIAL FLOOD HAZARD AREAS FOR WELD COUNTY
SHOWN FOR PLANNING PURPOSES ONLY.
ZONE AE
Little Thompson
River
Weld County
Unincorporated Areas
(Area Not Included)
0
LO
qf'
17 Little
Thompso;1
Rivet
ZONE AE
Bridge _
O
ct
gcc
CC
Bridge
t0
00
16
Weld County
Unincorporated Areas
(Area Not Included)
ZONE
AE
SPECIAL FLOOD
HAZARD AREAS
OTHER AREAS OF
FLOOD HAZARD
Without Base Flood Elevation (BFE)
Zone A, V, A99
With BFE or Depth Zone AE, AO. All, M. AR
Regulatory Floodway
0.2 % Annual Chance Flood Hazard, Areas
of 1% annual chance flood with average
depth less than one foot or with drainage
areas of less than one square mile
Future Conditions 1% Annual
Chance Flood Hazard
Area with Reduced Flood Risk due to Levee
See Notes.
SCALE
1
N
Map Protection:
Universal Transverse MercatorNAD 1983 UTM Zone 13N
Western Hemisphere: Vertical Datum: NAVD 88
1 Inch = 1,000 feet
1:12,000
0
0
500
125
250
1 000
2.000
Feet
Meters
500
-•, ye
nsurance Program
0
ct�
0
NATIONAL FLOOD INSURANCE PROGRAM
FLOOD INSURANCE RATE MAP
LARIMER COUNTY, COLORADO
and Incorporated Areas
PANEL 1410 OF 1420
Panel Contains:
4
J7
ND
COMMUNITY NUMBER PANEL SUFFIX
JOHNSTOWN, TOWN OF 080250 1410
REVISED TO
REFLECT LOMR
EFFECTIVE: February 15, 2024
VERSION NUMBER
2.5.3.6
MAP NUMBER
08069C1410G
MAP REVISED
JANUARY 15. 2021
461/2
Weld County 16
Unincorporated Areas
080266
SPECIAL FLOOD
HAZARD AREAS
OTHER AREAS OF
FLOOD HAZARD
SCALE
Without Base Flood Elevation (BFE)
Zone 4, V, A99
With BFE or Depth Zone AE, AO. AN. VE, AR
Regulatory Floodway
0.2 % Annual Chance Flood Hazard, Areas
of 1% annual chance flood with average
depth less than one foot or with drainage
areas of less than one square mile
Future Conditions 1% Annual
Chance Flood Hazard
Area with Reduced Flood Risk due to Levee
See Notes. :.,,,cA
Imagery Source NAIP 201
Map Projection:
Universal Transverse MercatorNAD 1983 UTM Zone 13N
Western Hemisphere: Vertical Datum: NAVD 88
1 inch = 500 feet
250 500
62.5 125
1:6,000
1,000
Feet
Meters
250
NATIONAL FLOOD INSURANCE PROGRAM
FLOOD INSURANCE kA I E MAP
WELD COUNTY, COLORADO
and Incorporated Areas
PANEL 1684 or 2250
t C Panel Contains:
V COMMUNITY NUMBER PANEL SUFFIX
aMILLIKEN, TOWN OF 080187 1684 F
WELD COUNTY 080266 1684
Us
a REVISED TO
o REFLECT LOMR
Z EFFECTIVE: February 15, 2024
VERSION NUMBER
1.1.1.0
MAP NUMBER
08123C1684F
MAP REVISED
NOVEMBER 30, 2023
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