923-009

• County: Mesa
• Community: Mesa County Unincorporated Areas
• Title: FIRM - Mesa County Unincorporated Areas - Panel 850
• Date: 7/3/1978
• Prepared For: Mesa County Unincorporated Areas
• Prepared By: FEMA
• Floodplain - Doc Type: Historic FEMA Regulatory Floodplain Information

•. KEY TO MAP
--
500-Year Flood Boundary.
100-Year Flood Boundary—
Zone Designations*With "O•R :'�
Date of Identification
e.g.,12/2/74
104-Year Flood Boundary
i
20NE B
500-Year Flood Boundary
Base Flood Elevation Line 513
With Elevation In Feet**
Base Flood Elevation in Feet (EL987)
Where Uniform Within Zone**
r w �__ Elevation Reference Mark RM7x
River Mile •M1.5
\= ZONE C
**Referenced to the National Geodetic Vertical Datum of 1929
LIMIT OF *EXPLANATION OF ZONE DESIGNATIONS
STUDY r
_ %
• � 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
} Q are between one (1) and three(3)feet;average depths
I of inundation are shown, but no flood hazard factors
are determined.
AH Areas of 100-year shallow flooding where depths
34 are between one (1) and three (3) feet; base flood
ZONE B ZONE ARM elevations are shown, but no flood hazard factors
are determined.
�
All-A30 Areas of 100-year flood; base flood elevations and
n flood hazard factors determined.
LIMIT OF DETAILED STUDY
ZONE B A99 Areas of 100-year flood to be protected by flood
LIMIT OF ZONE ST protection system under construction; base flood
STUDY B RM33 �� 6% elevations and flood hazard factors not determined.
�Q ZONE A7 IN THIS AREA TbO NARROW
458Q 6—� TO SHOW TO SCALE AND DOES NOT B Areas between limits of the 100-year flood and 500- f
EXCEED BOUNDARIES DELINEATED. year flood; or certain areas subject to 100-year flood-
S
�\ 7/3/78 ZONE C ing with average depths less than one(1)foot or where
� S,9 the contributing drainage area is less than one square
4567 3,Ss i90 `rZONE A7 mile;or areas protected by levees from the base flood.
T's 7/3/78 (Medium shading)
ZONE A5
4576 7/3/78 C Areas of minimal flooding. (No shading)
A ZONE B D Areas of undetermined, but possible, flood hazards.
V Areas of 100-year coastal flood with velocity (wave
PRIVATE action);base flood elevations and flood hazard factors
LIMIT OF ROAD not determined.
DETAILED STUDY
VII-V30 Areas of 100 year coastal flood with velocity (wave
s 1 action);base flood elevations and flood hazard factors
y � �' '
determined.
i
141
• � � � � � NOTES TO USER
P��LSTUDY__,____
IMITO __ _, � -�_ -. -_- � - - � -�- - �"""'-"" "' �� � Certain areas not in the speciafflood hazardareas(zones A and V)
may be protected by flood control structures.
Uncompahgre National Forest 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.
For adjoining map panels, see separately printed Index To Map
d Panels.
O •
Cn
r
INITIAL IDENTIFICATION
OCTOBER 18,1974
CONVERSION TO REGULAR PROGRAM
JULY 3,1978
Or
0 � .
s,
Q
ELEVATION REFERENCE MARKS
REFERENCE ELEVATION e
MARK (FT. NGVD) DESCRIPTION OF LOCATION To determine if flood insurance is available in this community,
ce agent,or call the National Flood Insurance
contact your insurance g ,
Y
RM32 4560.10 U.S. Coast and Geodetic Survey disk, stamped A142 1934 El Program,at(800)638-6620,or(800)424-8872.
4560,approximately 0.5 mile southwest along Colorado Highway
141 from public school in Gateway,approximately 150 feet south
of highway bridge over Dolores River, approximately 108 feet
northeast of log cabin,approximately 1 foot east of power pole.
RM33 4578.67 Northeast wingwall of timber bridge (private drive) over West
Creek east of Gateway.
RM34 4614.56 Colorado Division of Highways right-of-way markHr, stamped Sta APPROXIMATE SCALE
884+ 48.6 EL 4618.57, 4 feet south of telephone pole, approxi- 2000 0 2000 FEET
mately 40 feet south of centerline of Colorado Highway 141,wia I
.:, _ oximatel -50 feet southwest of corner of drairt_headwall Gros- '
..t - - -- Fpr Y._ - --
! &JMA
.� sing highway, approximately 0.75 mile northeast from Dolores..
:€. [ ZONE C River bridge at Gateway;Colorado Division of Highways. F
d NATIONAL FLOOD INSURANCE PROGRAM
rr o a FLOOD INSURANCE RATE MAP
d �a
MESA COUNTY,
oho ca � � COLORADO
(UNINCORPORATED AREAS)
v
ZONE C
COMMUNITY-PANEL NUMBER
080115 0850 A
D -^
PAGE 850 OF 1000
(SEE MAP INDEX FOR PAGES NOT PRINTED)
EFFECTIVE
JULY 3, 1978
TpZMEMT Op O
U.S.DEPARTMENT OF HOUSING
(K1
AND URBAN DEVELOPMENT
FEDERAL INSURANCE ADMINISTRATION