1035-002

• County: Mesa
• Community: Grand Junction
• Basin: Colorado Mainstem
• Title: FIRM - Grand Junction - Panel 3
• Date: 1/6/1983
• Prepared For: Grand Junction
• Prepared By: FEMA
• Floodplain - Doc Type: Historic FEMA Regulatory Floodplain Information

KEY TO MAP
500-Year Flood Boundary
100-Year Flood Boundary
a - ,
Zone Designations*
,� -.•ire.€ �
100-Year Flood Boundary
ZONE R
500-Year Flood Boundary
Base Flood Elevation Line 513
With Elevation In Feet**
Base Flood Elevation in Feet (E L 987)
Where Uniform Within Zone**
,1 Elevation Reference Mark RM7X
Zone D Boundary f
River Mile •M 1.5
**Referenced to the National Geodetic Vertical Datum of 1929
*EXPLANATION OF ZONE DESIGNATIONS
ZONE EXPLANATION
A Areas of 100-year flood; base flood elevations and
flood hazard factors not determined.
AO Areas of 100-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.
,.
AH 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.
Al-A30 Areas of 100-year flood; base flood elevations and
flood hazard factors determined.
A99 Areas of 100-year flood to be protected by flood
protection system under construction; base flood
elevations and flood hazard factors not determined.
B 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
the contributing drainage area is less than one square
mile;or areas protected by levees from the base flood.
(Medium shading)
ZONE B C Areas of minimal flooding.(No shading)
4590 D Areas of undetermined, but possible, flood hazards.
a
Leach ith velocity (wave
�. ZONE C Creek
V Areas of 100-year coastal flood w
4594 action);base flood elevations and flood hazard factors
not determined.
�.
ZONE C " A V1-V30 Areas of 100-year coastal flood with velocity (wave
' G CN action);base flood elevations and flood hazard factors
o, o) ZONE B
Vi I determined.
on-
ZONE A7 NOTES TO USER
Main Grand Valley ___
; _. Canal ___. — r areas(zones A and )
j _-
Certain areas not in the special flood hazard a s zo V
•. _�.-, •._.� _ �ti �. may be protected by flood control stn.lctures. "
. 1 0,Ef'`a'!i 1} �
This map is for flood insurance purposes only; it does not neces- '
sarily show all areas subject to flooding in the community or
all planimetric features outside special flood hazard areas.
4593 For adjoining map panels, see separately printed Index To Map
.,< ZONE B Panels.
tiY
INITIAL IDENTIFICATION:
FEBRUARY 1. 1974
FLOOD HAZARD BOUNDARY MAP REVISIONS:
JUNE 28, 1974
ZONE C
" OCTOBER 10, 1975 -
DFCEMBER 12 1978
FLOOD INSURANCE RATE MAP EFFECTIVE:
!ANUARY 6, 1983
FLOOD INSURANCE RATE MAP REVISIONS:
a ,
0
ELEVATION REFERENCE MARKS
W
G
REFERENCE ELEVATION Z
MARK (FT.NGVD) DESCRIPTION OF LOCATION a
O a
RM3" Ix
4594.76 Mesa County Survey marker, marked Center Section 3, at inter- ZONE C a
section of 25%and F Roads. Z
� s O
'% ,
Ln
RM4 4564.06 A brass cap in center of intersection of Patterson and 25 Roads.
N
Established by Mesa County. Eb ROAD
RM5 4579.73 Hinge nail in north side of power pole on southeast corner of inter- RM3
„ section of 25% and Patterson Roads. Established by Henningson, ZONE C
Durham&Richardson,Inc.
RM6 4645.81 Brass cap in center of Patterson Road,1320 feet east of intersection
with 26 Road. Established by Mesa County.
• ' '
Refer to the FLOOD INSURANCE RATE MAP EFFECTIVE date
*LOCATED OUTSIDE CORPORATE LIMITS
shown on this map to determine when actuarial rates apply to
structures in the zones where elevations or depths have been estab-
CORPORATE LIMITS lished.
To determine if flood insurance is available in this community,
contact your insurance agent,or call the National Flood Insurance
• ¢ Program,at(800) 638-6620.
CORPORATE LIMITS
f
APPROXIMATE SCALE
CORPORATE LIMITS aoo o aoo FEET
ZONE C
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I
ZONE C
D
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NATIONAL FLOOD INSURANCE PROGRAM
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--'NO RIDGE RTH
,. ZONE B � a:
F RM
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24 ROAD h # n Drive
ZONE B W Y r�Z° FLOOD INSURANCE RATE MAP
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W 1 ONE A6 N
ZONE C
ZONE AO— Zal A
i .,,,".. W1�BROOK ROAD
(DEPTH U ) .
ZONE Al RM5 4574 ZONE B
.� CITY OF
RM4 Ditch PATTERSON ROAt)
PATTERSON ROAD Independent Ranchmens --J RM6 Q GRAND JUNCTION,
PATTERSON ROAD
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ZONE B Independent Ranchmens h �. COLORADO
p Ditch .: 4, .. A AllM BELACr
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IR P��� a MESA COUNTY
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PANEL 3 OF 9
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W � COMMUNITY-PANEL NUMBER
J WELLINGTON ZONE c 0 080117 0003 D
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z z AVE °° tiYMg4 EFFECTIVE DATE:
ZONE c �;�� Y �w�`' "��3� JANUARY 6, 1983
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ZONE B °° LI LAC w LN H1�-L'REST
er+ Federal Emergency Management Agency
JOINS PANEL 0006