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J I'. <br /> r , r <br /> • JOINS PANEL 0050 <br /> KEY TO MAP <br /> 500-Year Flood Boundary - <br /> _-. <br /> 100-Year Flood Boundary <br /> -� <br /> } / ^ Zone Designations <br /> y <br /> 10 -- 11 12 _ $ �--. 10 <br /> \ �. <br /> 100-Year Flood Boundary <br /> ZONE 13 <br /> BOHN —-.• 500-Year Flood Boundary <br /> r LAKE I— <br /> LIMIT OF <br /> • - STUDY � <br /> NELSON ROAD Base Flood Elevation Line 513 <br /> �- - With Elevation In Feet** <br /> Base Flood Elevation in Feet (EL 987) <br /> , f <br /> ��-• Where Uniform Within Zone** <br /> Elevation Reference Mark RM7x <br /> Zone D Boundary <br /> itch <br /> pit _• River Mile •M1.5 <br /> f O ELEVATION REFERENCE MARKS <br /> s 1 <br /> • � **Referenced to the National Geodetic Vertical Datum of 1929 <br /> ZONE C <br /> REFERENCE ELEVATION <br /> Roosevelt Gate MARK (FT.NGVD) DESCRIPTION OF LOCATION �- -� _ EXPLANATION OF ZONE DESIGNATIONS <br /> w RM16 5599.289 A standard disk stamped "W 320 RESET 1955," set in top of a <br /> National /... \ ��... <br /> Forest concrete post projecting 0.8 foot above ground, located 80 feet ZONE EXPLANATION <br /> north of the centerline of Lefthand Canyon Drive,70 feet west of <br /> ..• • 1 the centerline of North Foothills Highway (U.S. Highway 36) on A Areas of 100 year flood; base flood elevations and <br /> 1 9 Y 9 Y <br /> 0 flood hazard factors not determined. <br /> 1 eJ 1 4 1 3 north bank of a small irrigation lateral,and level with the highway. — 4 <br /> Established by Colorado State Highway Department. 15 J AO Areas of 100-year shallow flooding where depths <br /> 18 16 are between one (1) and three(3)feet;average depths <br /> C ALLEN / H 1 7 RM17 5585.077 A standard disk stamped "X 320 1952," set in top of a concrete �� - of inundation are shown, but no flood hazard factors <br /> y0K LAKE O7 m <br /> w <br /> post projecting 0.8 foot above ground, located on North Foothills w are determined. <br /> 36 Highway approximately 0.56 mile south of Lefthand Creek, 51 AH Areas of 100-year shallow flooding where depths <br /> ZONE A feet west of centerline of highway, 29 feet south of southeast / are between one (1) and three (3) feet; base flood <br /> ZONE C corner of service station, and 3 feet northwest of a witness post, elevations are shown, but no flood hazard factors <br /> _ are determined. <br /> —_ Established by U.S.Coast and Geodetic Survey. N \ <br /> O Tol! RM18 5306.26 An iron rod in a concrete post, located 30 feet south of the center- ,n STEELS Al-A30 Areas of 100 year flood; base flood elevations and <br /> Z p LAKES flood hazard factors determined. <br /> v GEER—� line of Niwot Road, 6 feet west of the centerline of North 49th <br /> CANYON j Street,and 1.0 foot north of a fence.Established by U.S.Geological A99 Areas of 100 year flood to be protected by flood <br /> DRIVE LEFTHAND / _ r / protection system under construction; base flood <br /> tC <br /> a CANYON / �� . Survey, F- �^ elevations and flood hazard factors not determined. <br /> o LIMIT OF DRIVE RM19 5240.245 An iron post stamped"5242," located 32 feet south of the center- <br /> _ O �•. ___._. ---•-— B Areas between limits of the 100-year flood and 500- <br /> c ZONE B line of Niwot Road, 41 feet west of the centerline of North 55th z PROSPECT ROAD Y 1 Y�`,.. DETAILED II year flood;or certain areas subject to 100- ear flood- <br /> wM STUDY RM16 Street, and 10 feet northwest of a fence corner. Established by — - — ing with average depths less than one (1)foot or where <br /> 'j ZONE B O X II U.S.Geological Survey, -� the contributing drainage area is less than one square -Ii mile;or areas protected by levees fropl-the base flood. <br /> (Medium shading) - - <br /> 0 Z 1 5635 56 5 ZONE C �� <br /> 5655 5598 5585 a —/ C Areas of minimal flooding.(No shading) r <br /> 5579 ZONE B D Areas of undetermined, but possible, flood hazards. <br /> • - 1 - <br /> ZONE B m•5591 �� /' V Areas of 100-year coastal flood with velocity (wave <br /> action);base flood elevations and flood hazard factors <br /> not• �� �� �, 5660 5640r� PLATEAU V1-V30 Areas etofn1100y ear coastal flood with velocity (wave <br /> 1p S 5650 56455630 ROAD I action);base flood elevations and flood hazard factors <br /> determined. <br /> \ 1 <br /> ZONE B �s ZONE B 5620 5605 ZONE B <br /> • � 5625 5615 <br /> 5675 �� ' • <br /> Diversion Structure <br /> ZONE `� �� NOTES TO USER <br /> ZONE B � <br /> 5724 B10 <br /> CertainatLttetfrttheSpeciatfloodHazardAreas(zonesAartdYjmaybe <br /> __ _ � � ..` `: ._> .... - - --� -..:"•"` ".`_- „r _ r tected b flood control structures. , <br /> t 5680 __ 4 — _ . _ p Y. <br /> 1 g _. - <br /> - _—... � � / Y4.".�:: §' _,i.a � '•1(° i-t S'a ,=f'st£ i? �_`i�„+fr'."� <br /> b <br /> 5720 5690 5685 <br /> � �;� ; .�. � ZONE B I _ -- -- — <br /> 10 cr ! 5563 tr1 ti -- -- This map is for use in administering the National <br /> FloodlnsuranceProgram <br /> �_ es not nece sarily identify all areas subject to flooding particularly <br /> from local�cc G'� • ZONE A o it do s <br /> Q ��S S Zhu L0�` Special Flood lHaza d Aease sources ofsmallsize,orallplanimetricfeaturesoutside <br /> r, <br /> 6'�� ZONE Ag ZONE C� � f �� Coastal base flood elevations apply only landward of the shoreline <br /> �� B s � e� T _ shown on this map. <br /> E B oo ` s Q f6k <br /> / l 5�50 5715 i �0 / ZONE A9 s. L r� `— For adjoining map panels,see separately printed Index To Map Panels..: s <br /> ZONE C • 3 �`° �c r I �- <br /> 0 <br /> s� 5710� ZONE <br /> ZONE C `rs I , <br /> 1 ✓ � 20 21 22 23 INITIAL IDENTIFICATION: <br /> 760 `ad II FEBRUARY 1, 1979 <br /> 22 23 ZONE B s _ ZOB E I ` ZOBE 24 �� -� <br /> 5>j5 �( �abte �° /� I FLOOD HAZARD BOUNDARY MAP REVISIONS: <br /> ZONE A9 5780 RM17 <br /> o � ZONE ZONE C <br /> Lefthand B <br /> X <br /> 5785 k s \ <br /> - Creek \ � �� � --�_ o <br /> 5790 Diversion BOULDER COUNTY <br /> FLOOD INSURANCE RATE MAP EFFECTIVE: w <br /> I \ Structure <br /> �yaj <br /> 5795 r /1 Y l FEBRUARY 1, 1979 <br /> l v5 / — <br /> EC5800 <br /> N --- <br /> ZO <br /> Private <br /> — — <br /> i <br /> 5805 ZONE B I \ O Drive _ —� FLOOD INSURANCE RATE MAP REVISIONS: <br /> t P� f° Z i f Map revised July 15,1988 to update corporate limits,to decrease base <br /> flood <br /> s,to increase base <br /> lood <br /> 5810 �� 7 elevations,ttonadd base flood e zfvations, to elevations, <br /> add special change s floodhaze d <br /> 1 <br /> II � ZONE B > � ��� � \ areas, to change special flood hazard areas, to change zone , <br /> y LEFTHACANYOND--► 5815 I = II II D / f \ %� 9 <br /> DRIVE ZONE C \ O I \ �� o designations,and to add roads and road names. <br /> ZONE B - <br /> 5820 5825 ZONE B ��" 0 z <br /> w <br /> 5418 m , �� OXFORD ROAD �� a <br /> Q, m <br /> s�sdQs 6d,�o II 5415410 ZONE B <br /> w <br /> 5855 a NEBO ROAD I ZONE B <br /> ZONE B 3 Lefthand Farm <br /> r860 Creek <br /> 5865 idge ZONE C \ _ _ <br /> �510 -- <br /> �/ O <br /> 5 <br /> 5S1 <br /> � 5340 <br /> • 'NIMBUS ROAD ZONE C <br /> B <br /> _--_ •.• t0� h� O <br /> ZONE B 5880 ZONE B �� 5365 h� ?� ZONE B << ZONE <br /> JODER h O <br /> 5885 �` RESERVOIR /' —� '` I Z <br /> 6020 5995 � �� 5890 ZON E B .� <br /> 6030 O�o O ��� o O� O �� �_��� ZONE C j`� �� l � y ZONE B ZONE A10 5158 To determine if flood insurance is available in this community, <br /> CZi1 o O �O o SPURGEN v Diversion <br /> 6035 O �� f�� RESERVOIR �( a s 28 Structure contact your insurance agent,or call the National Flood Insurance <br /> !sj Program, ( 0 ) 38-6620 <br /> �� 'r i1 <br /> ^ � 2 • � ro ram,at 8 0 6 y <br /> ZONE 6025 26 I� - �25 _ 30 \ 2 <br /> B so4o �l _� N \ 5vo ZONE ZONE B <br /> .J A10 Q gA <br /> 6045 _J 6 lv <br /> • 0550 ZONE ii X �. •� ZONE C ZONE A9 , ZONE <br /> O �' 5301 '� s 5176 .` <br /> 6060 �I o �-- B ZONE B � ZONE B <br /> 6065 a ZONE APPROXIMATE SCALE IN FEET <br /> sow \. 5300 P /i 5182 5168 1000 0 1000 <br /> 85 6080 �'" N EV A ROAD - ZONE 5207 5201 5190 B 5187 <br /> ' - ZONE C <br /> ., <br /> B <br /> B- <br /> • a <br /> g <br /> , <br /> . ZONE A9 .o . ZONE. <br /> I ti �r�w 5174 <br /> ON <br /> 5249— <br /> 5180 B <br /> FENTRESS Diversion ZONE r NATIONAL FLOOD INSURANCE PROGRAM <br /> LAKE B 5240 s Lefthand <br /> 5237 5192 Creek <br /> -. <br /> Z NIWOT ROAD <br /> o l R M 1 B X Farm <br /> Z R M 19 ZOBN E 5210 5204 Bridge <br /> Q (( _�_.. Private ZONE FIRMDrive <br /> ZONE C <br /> FLOOD INSURANCE RATE MAP <br /> �� II \ l� 36 �\ \ Hinman <br /> Ditch <br /> BOULDER COUNTY, <br /> Lefthand Valley I) �� COLORADO <br /> v. �/ _! Reservoir \��— <br /> c <br /> (UNINCORPORATED AREAS) <br /> 1 32 II 3 6 - I134 MONARCH ROAD <br /> 35 <br /> 34 35 1 �!,�� 36 31 -mil --- -- - \�_ =-1------- <br /> Roosevelt �� �/ PANEL 110 0 F 225 <br /> National �' <br /> Forest <br /> �• \_ II (SEE MAP INDEX FOR PANELS NOT PRINTED) <br /> BOULDER COUNTY r. ) <br /> 1T� � <br /> ZONE C <br /> CORPORATE LIMITScr EN _ t <br /> � / LOOKENEN \-- � <br /> \ / �.. <br /> BROTHERS � •.—•� <br /> �• RESERVOIR COMMUNITY-PANEL NUMBER <br /> T. 2 N. <br /> / <br /> T. 1 N. l _ T. 2 N. 080023 0110 B <br /> � <br /> \ �� _/ram N MAP REVISED: <br /> �L J IyGY Mq <br /> - 6 1ULY 15 1988 <br /> 3 2 1 W 2 <br /> �' — — 5 4 CITY OF BOULDER � � � � —� <br /> III <br /> Qz <br /> / --_— — — <br /> IN 11,01'AN.- <br /> • � Federal Emergency Management Agency <br /> ZONE ANn <br /> ON <br /> g Y 8 <br /> JOINS PANEL 0120 <br />