975-011

• County: Adams
• Community: Adams County Unincorporated Areas
• Basin: South Platte
• Title: FIRM - Adams County Unincorporated Areas - Panel 160
• Date: 2/1/1979
• Prepared For: Adams County Unincorporated Areas
• Prepared By: FEMA
• Floodplain - Doc Type: Historic FEMA Regulatory Floodplain Information

City of Thornton ZONE B
AREA NOT INCLUDED 1 a' KEY TO MAP , `�• :Q
S00-Year Flood Boundary
e
100-Year Flood Boundary---
Zone Designations*Withi'
T r e.
ad. �°� � ,� �' �* �� a vt�" '` 3� e.gte��� 74 Identification
LOWER � � p.r.` .. A''
CREEK CANAL
as 100-Year Flood Boundary
r� f' ..,. BONE 3
��". 500-Year Flood Boundary
" ,
•"" ,
ZONE C � � � w �•�"� Base Flood Elevation Line •^-^-^^-613
805
With Elevation In Feet**
�ee Base Flood Elevation in Feet (EL987)
Where Uniform Within Zone**
�•• r
Elevation Reference Mark RM7
� t p ....... X
QO 4 River Mile •M1.5
�(i P �'� Z - -
o[ I IVertical atum of 1929
spa o **Referenced to the National Geodetic D
z / 5pj orl AV1 *EXPLANATION OF ZONE DESIGNATIONS
f
ZONE EXPLANATION
Q0 A Areas of 100-year flood; base flood elevations and
flood hazard factors not determined.
�' �,. P �VQ• AO Areas of 100-year shallow flooding where depths
�� \ Q P• are between one (1) and three(3)feet;average depths
Q` of inundation are shown, but no flood hazard factors
r
are determined.
Areas of 100-year shallow flooding where Cepths '`
EAST 88TH AVENUE are between one (1) and three (3) feet; base flood
A dE3l•ft ,t elevations are shown, but no flood hazard factors
s 5082 � � QO RM6 are determined.
Al-A30 Areas of 100-year flood; base flood elevations and
t flood hazard factors determined.
44� �! J A Areas of 100-year flood to be protected by flood
protection system under construction; base flood
t , °< a ,• °� w 0 �0
elevations and flood hazard factors not determined.
y B Areas between limits of the 100-year flood and SOO-
's x O� V� year flood;or certain areas subject to 100-yearNflood-
4
ing with average depths less than one(1)foot or where
`ev the contributing drainage area is less than one square
I' mile;Dr areas protected by levees from the base flood.
(Medium shading)
'ONE ` , � 1 •, ��. (M d' sh ding) -
C cSj ¢ e °Pti OQ� C Areas of minimal flooding.(No shading)
i'rt.#,z �! O 'G♦' D Areas of undetermined, but possible, flood hazards.
(Fie% Z
p V Areas of 100-year coastal flood with velocity (wave s
f= / n);b elevations and flood hazard factors
f O actin base flood I
not determined.
t V1 V30 u ®. Areas of 100-year coastal flood with velocity (wave
action);base flood elevations and flood hazard factors
a-
9
ZONE C determined.
Irondale
• '� �� NOTES TO USER
a
-- q - - - - -- -
r �L........ ,„ ...,_,...-�--�� m. ... - ..,.. ,.,. .�,�::_� _.;.,.� .::.:, _.K.a- tir.•,.: - .-- - — -- - --- G��ifi-a?rat-nrit - fat- A-zvrd`
- �, .,. �'e.: ale ,• = e E ? _ a r; a.:,
may be protected by flood control structures.
w ` v: _ _ ........ ...........
This map is for flood insurance purposes only; it does not neces-
sarily show all areas subject to flooding in the community or
E "................ ^^^'^ all plammetric features outside special flood hazardareas.
ON For adjoining map panels, see separately printed Index To Map
�
Panels.
0
� •
C.
9
INITIAL IDENTIFICATION
EAST 80TH AVENUE
FEBRUARY 1,1979
41/ CONVERSION TO REGULAR PROGRAM
=epee y
FEBRUARY 1, 1979
City of Thornton W
AREA NOT INCLUDED OJ L
A H
y F'
ee,,• J�\ Dupont w o -r
o Q
n -
o
w
Rocky Mountain Arsenal
AREA NOT INCLUDED
EAST 76TH AVENUE
w w O
¢ U
F 6 H Q
to Cn Z
Ll
Refer to the CONVERSION TO REGULAR PROGRAM date
shown on this map to determine when actuarial rates apply to
structures in the zones where elevations or depths have been
w
established.
z
CL
Q To determine if flood insurance is available in this community,
` Y contact your insurance agent,or call the National Flood Insurance
Program,at(800)638-6620,or(800)424-8872.
EAST 72ND AVENUE
Q w
J w
Q N :f
�x 265 J to00 APPROXIMOATE SCALE 1000 FEET
x
NATIONAL FLOOD INSURANCE I'MOGRAM
FIRM
FLOOD INSURANCE RATE MAP
City of Commerce City
AREA NOT INCLUDED
ADAMS COUNTY,
COLORADO
ELEVATION REFERENCE MARKS (UNINCORPORATED AREAS)
REFERENCE ELEVATION
MARK (FT.NGVD) DESCRIPTION OF LOCATION
RM6 5113.513 A standard disk set in top of south end of the west concrete head- q
wall of a pipe culvert; 8.9 miles northeast along the Union Pacific PANEL 160 OF 300
Railroad from the Union Station at Denver; 9.2 feet west of the (SEE MAP INDEX FOR PANELS NOT PRINTED)
west rail at a graveled road crossing.
RM19 5084.79 Northwest bridge abutment, East 88th Avenue and South Platte
River;chiseled square.
RM20• 5392.463 A standard disk,stamped"A 259 1938"set in top of concrete post,
1.5 miles southeast along the Union Pacific Railroad from the
station at Strasburg,80 feet north of the tracks.
*OUTSIDE CORPORATE LIMITS
I
COMMUNITY-PANEL NUMBER
080001 0160 A
•
EFFECTIVE DATE:
FEBRUARY 1, 1979
7
U.S. DEPARTMENT OF HOUSING
AND URBAN DEVELOPMENT
FEDERAL INSURANCE ADMINISTRATION
•