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_ KEY TO MAP
<br /> JOINS PANEL 0050
<br /> 500-Year Flood Boundary
<br /> _•,
<br /> / 100-Year Flood Boundary
<br /> s r
<br /> Zone Designations f
<br /> �_. 9 10
<br /> \ 11 12 -�� 8 _ 100-Year Flood Boundary
<br /> 10 `- 7 �,. ZONE B
<br /> � � �� /• / �- BOHN •�� 500-Year Flood Boundary \.
<br /> `\ / LAKE
<br /> / , Base Flood Elevation Line ^--�^-513�-�^� a
<br /> - 0 \ With Elevation In Feet**
<br /> LIMIT OF OC oC Base Feet (EL 98 )
<br /> - NELSON ROAD —_ _...�.e. - -----�-- WherelUnforlmWithinnZone** 7
<br /> STUDY _
<br /> Elevation Reference Mark RM7X
<br /> • - -��' � Zone D Boundary
<br /> l
<br /> River Mile •M1.5
<br /> ELEVATION REFERENCE MARKS �_
<br /> **Referenced to the National Geodetic Vertical Datum of 1929 ,
<br /> Q
<br /> ZONE C REFERENCE ELEVATION �- -� EXPLANATION OF ZONE DESIGNATIONS
<br /> Gate MARK (FT.NGVD) DESCRIPTION OF LOCATION
<br /> m RM16 5599.289 A standard disk stamped "W 320 RESET 1955;' set in top of a Y
<br /> / f• ZONE EXPLANATION
<br /> Roosevelt w concrete post projecting 0.8 foot above ground, located 80 feet
<br /> National
<br /> X north of the centerline of Lefthand Canyon Drive, 70 feet west of / A Areas of hazard
<br /> factor flood; base flood elevations and
<br /> Forest flood hazard factors not determined. s
<br /> For the centerline of North Foothills Highway (U.S. Highway 36) on -
<br /> i 4
<br /> all north bank of a small irrigation lateral,and level with the highway. i AO Areas of 100 year shallow flooding where depths
<br /> 13 g -� 15 __
<br /> Established by Colorado State Highway Department. 1 � �'-• � _ are between one (1) and three(3)feet;average depths
<br /> F 1 w Q = F �� � of inundation are shown, but no flood hazard factors
<br /> v (�, ALLEN // \ 1 V 1 7 RM17 5585.077 A standard disk stamped "X 320 1952," set in top of a concrete w -�/'
<br /> e M w are determined.
<br /> 1�K LAKE / O post projecting 0.8 foot above ground,located on North Foothills AH Areas of 100 year shallow flooding where depths
<br /> Highway approximately 0.56 mile south of Lefthand Creek, 51 in �, /
<br /> / feet west of centerline of highway, 29 feet south of southeast i are between one (1) and three (3) feet; base flood
<br /> elevations are shown, but no flood hazard factors
<br /> 36 l corner of service station, and 3 feet northwest of a witness post. t ",,�-� . are determined.
<br /> ZONE'C ZONE A / _ Established by U.S.Coast and Geodetic Survey. \ STEELE A7-A30 Areas of 100-ye4 flood; base flood elevations and
<br /> H �, i flood hazard factors determined.
<br /> 0 Toll RM18 5306.26 An iron rod in a concrete post,located 30 feet south of the center- LAKES
<br /> line of Niwot Road, 6 feet west of the centerline of North 49th
<br /> Z A99 Areas of 100 year flood to be protected by flood
<br /> GEER—► �/ Street,and 1.0 foot north of a fence.Established by U.S.Geological / protection system under construction; base flood
<br /> CANYON LEFTHAND / Survey. t( s �� - - elevations and flood hazard factors not determined.
<br /> DRIVE %/ / ��� _ .
<br /> CANYON RM19 5240.245 An iron post stamped"5242," located 32 feet south of the center- O -. B Areas between limits of the 100 year flood and flood-
<br /> DRIVE \
<br /> Z year flood;or certain areas subject to 100-year flood-
<br /> - a I DRIVE - -
<br /> e LIMIT OF ZONE B / II line of Niwot Road, 41 feet west of the centerline of North 55th — PROSPECT ROAD
<br /> ing with average depths less than one(1)foot or where
<br /> DETAILED Street, and
<br /> 10 feet northwest of a fence corner. Established by the contributing drainage area is less than one square
<br /> _J
<br /> STUDY RM16 II U.S.Geological Survey. II f
<br /> \ 1 \ mile;or areas protected by levees from the base flood.
<br /> z i ZONE B X ` O C Areas of minimal flooding.(No shading)
<br /> (Medium shading)
<br /> '0. ZO NEC III D Areas of undetermined, but possible,•,\ ' flood hazards.
<br /> o )�\ 5655 5635 56 5 5585 V Areas of 100-year coastal flood with velocity (wave
<br /> ( 5598 5579 ZONE B ct, action);base flood elevations and flood hazard factors
<br /> I� notdetermined.
<br /> ZONE B a V3o
<br /> C
<br /> '° V7- Areas of 100-year coastal flood with velocity (wave
<br /> PLATEAU ROAD ( action);base flood elevations and flood hazard factors
<br /> 5660 5640 determined.
<br /> rt� V � S6>� S 5650 5645 5630
<br /> ZONE B ��
<br /> ZONE B 5620 5605 � Q NOTES TO USER
<br /> ZONE
<br /> 5675 56. 5615 5610 \ h �9 - -- _—._-- -ter[;rnareas not in the Special Flood Hazard Areas(zones A and V)may be
<br /> ure ' ONE �` a� _ -- i --�' protected by flood control structures.
<br /> . Diversion Struct Z 4� �.�
<br /> � -Y_ _ ��
<br /> ZONEB _B-.�- �— O — ' mapis for use inadministering the National Flood InsuranceProgram; r
<br /> t
<br /> * ,, This
<br /> -- --- -- -3- 5680 11 / featuresoutside
<br /> - ..__ �,� •-. ST,12 _- = lls¢ ra ammetrlc
<br /> / � " B � it does not necessarily identify all areas subject to flooding,particularly
<br /> • - -=-- •�--^��_--�_-•� � - , eT� 5' =�'� ��•�� _;�� :� a !'" � t, � Z � from local drainage sources of small e,o Il pl ONE -- . --- -
<br /> "
<br /> �� Special Flood Hazard Areas. I only landward of the shoreline
<br /> \� (Q Coastal base flood elevations app y Y
<br /> 5720 5 10�` 5690 5685 5563 �.
<br /> G, ZONE A shown on this map.
<br /> 5745 s��� ZONE A9 ZONE
<br /> ��' ?, `p� I �-- For adjoining map panels,see separately printed Index To Map Panels.
<br /> E g oo �.a �. e"t u
<br /> 5j5o 5715 s'os, ZONE A9 � a � a
<br /> � .. ZONE
<br /> r yy
<br /> I � ��
<br /> s� ZONE C i
<br /> 5710� �l 22 23 INITIAL IDENTIFICATION:
<br /> 14,(1974ATION:
<br /> 21
<br /> ZONE C �j760 ZONE -• ZONE 1 20 �� FLOOD HAZARD BOUNDARY MAP REVISIONS:
<br /> 23 ZONE B B B 24 '
<br /> able Q° MARCH 5,1976
<br /> 22 ��>o o �� � ' ZONE ZONE C
<br /> 5 _
<br /> 1j
<br /> ZONEA9 ��5780 RM17 1 B d• __
<br /> Lefthand X " _ _
<br /> x 5785 Creek " O —_=_
<br /> BOULD�j R COUNTY FLOOD INSURANCE RATE MAP EFFECTIVE:
<br /> 5790 \ Diversion v _ JULY 17,1978
<br /> y
<br /> Structure F ____ -` I i
<br /> `� � / �---..� FLOOD INSURANCE RATE MAP REVISIONS:
<br /> 5795 I v3 Ir Private
<br /> —_--I �P Z Drive q Map revised FEBRUARY 24, 1981 to change flood plain boundaries,
<br /> ZONE C 5800 —
<br /> i 'r Ij _� zone designations, base elevations,corporate limits, scale, cultural ,
<br /> 5805 ZONE B features,or map format.
<br /> / ZONE B ¢ \ / " Map Revised AUGUST 4,1988 to change base flood elevations,to add
<br /> " II \\ \� Q C base flood elevations, to add special flood hazard areas, to change
<br /> � 5810 � -1--'' 11 � 1 -
<br /> p - yJj special flood hazard areas, to delete special flood hazard areas, to
<br /> II \ // Z change zone designations.to add roads and road names.
<br /> LEFTHAND—� ' 5815 � s ZONE C - '
<br /> CANYON w ZONE B ZONE B —�
<br /> DRIVE 5820 ��
<br /> s
<br /> \ OXFORD ROAD Z
<br /> " 5825 5418 '
<br /> r•� o
<br /> 5415410r I ZONE B i e correspond to r
<br /> 8y II w
<br /> 5366 w \ / Flood Insurance Rate Map (FIRM) panel numbers p
<br /> �iS`r II ZONE B / BOULDER COUNTY, COLORADO FIRM panel numbers. For
<br /> > NEBO ROAD I Farm �) adjoining areas,refer to the BOULDER COUNTY FIRM published
<br /> 5855 3 Lefthand edge ZONE C / �� separately.
<br /> ZONE B \ = Creek _ _ r
<br /> 586� � •
<br /> 6 �g1H� 5340 a ZONE C ZONE
<br /> 5
<br /> 5Cl
<br /> 8 g15 _ _ ---- NIMBUs ROAD _ o, �' �. B
<br /> ZONE B
<br /> 5880 _ 5365r ttiy
<br /> ZONE ZONE �� 0
<br /> 5885 RESERVOIRS
<br /> '�
<br /> 5995 5890 ��� ��' ZONE B ZONE C °� ZONE B ZONE A10 g158 co determine if flood insurance is available in this community,
<br /> 6020 c 0 rr cn cst w N `� ��o = ht , _�• Diversion
<br /> _ SPURGEN Structure contact your insurance agent,or call the National Flood Insurance
<br /> --` _.O O p (O tJl cfl Q O O O
<br /> RESERVOIR *�� 1 , 2 Program,at(800) 638 6620.
<br /> 6030 at000 0000� 1��
<br /> 28
<br /> " ' o
<br /> 66
<br /> - '� �, . �' � 5270
<br /> • � �.•. � 29 � ���� f ZONE B
<br /> 3O ZONE / rn
<br /> �.. A �_.•. A10
<br /> �� _ 25 y Q
<br /> • ZONE ��6025 6 B 6040 � ,�;�
<br /> 6045 II i N_ ZONE A9 301 + ) ZONE 5176
<br /> ZONE C I ) ,+ I B ZONE B
<br /> ZONE �. 5 ' , � �� i "� ZONE B
<br /> -606�0 / II ZON E 5182 5163 1000 0 1000
<br /> I APPROXIMATE SCALE IN FEET
<br /> �-6065 _—=
<br /> 5300 �w� "rt ry 5201 B
<br /> e •
<br /> 7
<br /> • 5190 5187
<br /> NEVA ROAD _ ZOBNE ,
<br /> 520 � f '
<br /> 085
<br /> •• 5174
<br /> 6080
<br /> ZONE C �� •• .. ._,. ZONE �s�,�� � �� � ��� E
<br /> 15075 .
<br /> — --� -- - 5249�� , 5180
<br /> � I f � � �� B
<br /> ,
<br /> ZONE A9 J
<br /> ¢ --•� • Structure � � ��' � ' � � � ��� � NATIONAL FLOOD INSURANCE PROGRAM
<br /> Diversion x to � �,.� • � �
<br /> / O _ %/ FENTRESS / ZONE E5240� Lefthand
<br /> II 523, 7\� 5192 Creek
<br /> z LAKE �\
<br /> NIWOT ROAD
<br /> O X Farm
<br /> Z a RM18 RM19 ZONE 5210 5204
<br /> Bridge
<br /> Private
<br /> '�� \ II O ive ZONE INSURANCE RATE MAP
<br /> jFIRM
<br /> r
<br /> Z ( II -- FLOOD
<br /> ZONE C
<br /> Hinman
<br /> a 1
<br /> �\ \ Ditch
<br /> o I CITY OF
<br /> BOULDER,
<br /> COLORADO
<br /> �\ — i Lefthand Valley ___
<br /> ,�� • ---_ _ __ _,i � ', BOULDER COUNTY
<br /> r ��.• Reservoir 11
<br /> / _�.-._ II �� I134 MONARCH ROAD 3
<br /> 35 1 1'�\\ 36 -� --- ----- ----- -- __ /�� PANEL 110 OF 225
<br /> 34 jl --- ----- ---
<br /> \\ (SEE MAP INDEX FOR PANELS NOT PRINTED)
<br /> Roosevelt
<br /> National
<br /> . Forest �: � _ •
<br /> lIZONE C
<br /> BOULDER COUNTY
<br /> \ _CORPORATE LIMITS _
<br /> L BROTHERS \ L• ' �... \
<br /> COMMUNITY-PANEL NUMBER
<br /> 1 RESER VO/R ---
<br /> ti.. _ \\�� T. 1 N. --- 080024 0110 D
<br /> T.2 N. / \\�
<br /> T. 1 N. / / � ��� �� v Me . .�� "� GUSTMAP R4V11988
<br /> �i
<br /> =HILL 5 4 I CITY OF BOULDER
<br /> _�
<br /> 3 2
<br /> — ,/� �� � iS � �� d�JJ • � g
<br /> Federal Emergency Management Agency
<br /> dq
<br /> JOINS PANEL 0120 \
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