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NOTES USERS TO This map is for use in administering the National Flood insurance Program. It does liot necessarilY identify all areas subject to flooding, particularly from local drainage sources of small size. The community map repository should be consulted for possible updated or additional flood hazard information. 105009'22.5" 40000'00" r To obtain more detailed information in areas where Base Flood Elevation (aFEs} and/or ftoodways have been determined, users are encouraged to consult the Flood Profiles and Floodway Data tables contained within the Floodlnsur- ance Study (FIS) report that accompanies this FIRM. Users should be aware that BFEs shown on the FIRM represent rounded whole-ioot elevations. These BFEs are intended for flood insurance rating purposes only and should not be used as the sole source ot flood elevation information. 'According/y, flood elevation data presented in the AS should be utilized in conjunction with the fiRM for purposes of construction and/or floodplain management. Coastal Base Flood Elevation CBFEs) shown on this map apply only land- ward of 0.0' National Geodetic Vertical Datum (NGVD}. Users of this FIRM should be aware that coastal flood elevations may also be provided in the Summary of Stillwater Elevations table in the Flood Insurance Study report for this community. Elevations shown in the Summary of Stillwater Elevations table should be used for construction, andfor floodplain management purposes when they are higher than the elevations shown on this FlRM. ~I I , CITY OF LAFAYETTE 080026 CORPORATE LIMITS Boundaries of the floodways were computed at cross sections and interpolated between cross sections. The floodways were based on hydraulic considerations with regard to requirements of the National Flood Insurance Program. Floodway widths and other pertinent f100dway data are provided in the Flood Insurance Study report for this jurisdiction. BOULDER COUNTY UNINCORrORA'rED AREAS 08f)023 Certain areas not in Special Flood Hazard Areas may be protected by flood control structures. Refer to Section 2.4 "Flood Protection Measuresu 01 the Flood Insurance Study report for illiQrmation on. flood control structures in this jurisdiction. #SOU iva The projection used in the preparation oi 1his ~ap is Ur.iversa~ tranverse Mercator rUTM~ Zone 13. The horizontal datum is NAD~7, CLARKE1866 spheroid. Differences in 'datum, spheroid, projection or UTM zones used in the production of FIRMs for adjacent juriSdictions may result in slight positional differences in map features across jurisdiction boundaries. These differences do not affect the accuracy of the FIRM. 1 _ 6 I ~ ~ ~ Flood elevations on this map are referenced to the National Geodetic Vertical Datum of 1929. These flood elevations must be compared to structure and ground elevations referenced to the same vertical datum. For information regarding conversion between the National Geodetic Vertical Datum of 1929 and the North American Vertical Datum of 1988, visit the National Geodetic Survey website at www.ngs.noaa.gov or contact the National Geodetic Survey at the iollowing address: Louisville Reservoir Vertical Network Branch, N/CG13 National Geodetic Survey, NOAA Silver Spring Metro Center 3 1315 East-West Highway Silver Spring, Mary~and 20910 (301) 713-3191 ~ To obtain current elevation, description, and/or location iniormation for bench marks shown on this map, please contact the Information Services Branch of the National Geodetic Survey at (301) 713~3242, or visit their website at www.ngs.noaa.gov. Base map information shown on this FIRM was provided in digital format by U.S. Bureau of Census TIGER fifes and have been geopositionally corrected. Corporate limits shown on this map are based on the best data available at the time of publication. Because changes due to annexations or de-annexations may have occurred. after this map was published, map users should contact appropriate community officials to verify current corporate lirnitlocations. Please refer to the separately printed Map Index for an overview map of the county showing the layout of map panels; commullity map repository addresses; and a Listing of Communities table containing National Flood rnsurance Program dates for each community as well as a listing of the panels on which each community is located. 1--_ 1 An accompanying Flood Insurance Study report, letters of Map Revision or letters of Map Amendment revising portions of this panel, and digitar versions oi this PANEL may be available. Contact the FEMA Map Service Center at the following phone numbers and Internet address for infomatJon on all related products available from FEMA; o (0 L!> o ..J ~ l--- ~ a... I~ Phone: 800-358-9616 FAX: 800-358-9620 www.fema.gov/msc If you have questions about this map or questions concerning the National Flood Insurance Program in general, please call 1-877-FEMA-MAP (1-877-336- 2627f or visit the FEMA website atwww.fema.gov. This map reflects more detailed and up-to-date stream channel configurations than those shown on the previous HRM for this jurisdiction. The floodplains and floodwavs that were transferred from the previous FIRM may have been adjusted to conform to these new stream channel configurations. As a result, the Flood Profiles and Floodway Data tables in the Flood Insurance Study report may reflect stream channel distances that differ from what is shown on this map. l,-I L-- ~ - ------ , \ , - ,.".... ~ / BOULD,"WOl'NTY \. \ UNINCORPORATED AREAS ~ 080023 ) ,,-\ ,/ ~_V / 1 ~- I ~ ~ z UJ ~ < ~J 2: .3: C/) ~ 1 ~ BOULDER COUJ'I.'TY UN=~=~~S 1 , STREET \ f \N1LLOW -!C' w ::> z UJ ~ 0: UJ ...J >- I- . ! .~ / t 39058'07.5 " 105009'22.5" - ~ 7 f - ;- L...---- ~ I I L_ I ~ I ZONE X I \ //; jr' ~ I ::J ~ \ Harper Lateral ~ ~ /"" FRANKLIN AVENUE NOTE: MAP AREA SHOWN ON THIS PANEL IS LOCATED WITHIN TOWNSHIP 1 SOUTH, RANGE 69 WEST. ---- \ I ~ I - - I 1 J 7 ZONE X WEST - ""'\ 18 '""-- v ( I / ) I 1 w ::> m J...-- ~ ~ ..J o 0.. :I: I- ;:) o (/) ) "--- 11- l BOULDER COUNTY I I uXJ~~,~~~'. NCORPORA TED I AREAS 080023 '- PIN'E .~ ~ Gooaht1~ ~ ~ I I I I I I jl/ Goodhue Ditch I .- v( .-' I - ....:'. ~ "-~ o l JOINS PANEL 0419 \ \ \, \ \ /\ / \\ I \. ~0j v~> ~<v f';<v -4<<-~ ~\": ~ ~ ~O ~ d:->' x~~ BOULDER COUNTY UNINCORPORATED AREAS 080023 ...- ~t:. "94: \fl j ~I\JARCH STR'EET Highline Lateral ! SUNLAND \ j CENTENNIAL \ j ) 1- VIA ROMA 71 CAPRI II / ~"< ~ T 1 ) ( CITY OF LOUISVILLE 085076 <( ;; L I ~ I_~-+ r-- / I ~ J ' L ~~:rJEAsl J r' ~..13 \ I I \ L__ J ZONE X w ::l 2: w ~ 2: LU o ::> (J) Z Z UJ :r:~ o '"") ~ ~ ~ I I iI' I _ (J)- ~ ~ ~ \ cJl). 7(;; i:<";-. \ \ , BOULDER COUNTY UNINCORPORATED AREAS 080023 I ....v \1 ,... JOINS PANEL 0559 -- - 1 I ~l I - ~ m Z C m \ ~ ~ 0- '--- I j 5 LIMIT OF DETAilED STUDY , \ 'X.-~>>><.v y~ ~ 1- ~ ZONE G) ~ ~..' AE g~\j~ ';L ~~ STREET 0 LAFAYETTE 8 . w ::l 2: w ~ LLJ :) Z IJJ ~ SPRUCE >- UJ ....I 2: ~ () ~ o ..J I.U u: a: 4: C) 2: ...J o () Z ::i wl I.lJ 1.U 0:: IJ,1 :) ~ ~ ~ <...J ~ I:r ffi RA1NTREE COURT > o g FIR COURT ! / Ix ./ \ \ \ BOULDER COUNTY UNINCORPORA TED AREAS 080023 CITY OF LAF A VETTE 080026 5357 BOULDER COUNTY UNINCORPOllATED AREAS flS0023 I ;- 53~O \ 0_ \ 53461 5360 l } 7 ::P ~ ~ o ~ ,.~ -~ _ -.l, ~c)' <) '%- ~ /:> .~'i>Q\\ ~~ ZONE X BOULDER ) V \ e ~~ ,,0 STREET CALEDONIP SHORT STREFf I- w UJ a: I- (J) SOUTH STREET u.:. ::l Z w ~ WALNUT UJ :) Z UJ i1( llJ ::;. 2 w ~ STREET ~ 142 '] '-J ZONE X 5331 5301 LEGEND SPEC~AL fLOOD HAZARD AREAS SUBJECT TO INUNDA T~ON BY THE 1 % ANNUAL CHANCE flOOD EVENT 105007'30'" 40000'00" The 1 % annual chance flood (100-year flood),. also Known as the base floodI is the flood that has a 1 % chance of being equaled or exceeded in any given year. The Special Flood Hazard Area is the area subject to flooding by the 1 % annual chance flood. Areas of Special Flood Hazard include Zones A, AE, AH, AO, AR, A99, V, and VE. The Base Flood Elevation is the water surface ~evation of the 1 % annual chance flood. I.... r--- "- BOULDER COUNTY I V~~NCORPORATEDAREAS OSOflZ3 "~ \ \\ \ tv - -- CORPORATE LIMITS ~ ~ ~ ZONE X - I I --tJ -1 BOO'"LDER COUNTY I UNINCORPORO\ TED AREAS O~~3 J ~ 1 L- 'k~'\ "Q\" \ ROAD r [. I L t . f-;~c' ltl ..., ~. - Ci) ..' I I : ........; A':;;- ~ ~~ \ " \ STREET PINE STREET ZONE X ~ \ \;\ \ l-- I ~,! \\~ '\ >(. \\~ZONEX"\ \\ ~ ''', \\"'-- ' I- Z ~ a: C) z o (f) ex: w IJ.. IJ.. I.LI ..., z <:c ~ i I.lI ~ 0: il <t -J / -{ HUTCH(NSPN / / ZONE AH (EL 5330) STREET MEAD COURT MEAD 81 REE1 _ BOLlLDER COUNTY UNINCORPORATED AREAS ()8~ \ ~, \ " ~ '=: UJ ;:) z UJ ~ REX (' II r I FRONT \ w ::l 2 UJ ~ I- w UJ a:: l- {/) l- lJ.l u.f cc. t; uJ (j) o a:: 17 2 o en cc: u.J u.. w.. w -, w z ::J <t :0l~ \>~ '.)\'O"P- ~~\..\..~ STREE\ \ STRE BOULDER COUNTY UNINCORPORATED AREAS (18(1023 ZONE X \ 1 t 1\ \ '\ \ \ ~ \ \ \ \ . STREET in rn ~ :0 :'11 m -I - I ~c::: ZONE X , ~ l ~ ZONE X ,- I PASCHAL DRIVE 14 BOULDER COUNTY UNINCORPORATED AREAS 0$023 9 LIMIT OF DETAILED STUDY ZONE X BOULDER COUNTY UNINCORPORATED AREAS 080 023 ~" ~ 'tP /"0 /!'~ ,.....>f..(.0' ..(... \IP\\ \ \ l \ \ ZONE X 39058'07.5" 105 c07 '30" ZONE A ZONE AE ZONE AH ZONE AO ZONE AR - ZONE A99 ZONE V ZONE VE No base flood elevations determined. Base flood elevations determined. Flood depths of 1 to 3 feet {usually areas of ponding}; base flood elevations determined. Flood depths of 1 to 3 feet (usually sheet flow on sloping terrain); average depths determined. For areas of alluvial fan flooding, velocities also determined. Area ofsj)ecial flood hazard formerly protected from the 1 % annlIal chance flood event by a flood control system that was subsequently decertified. Zone AR indicates that the former flood contra! system is being restored to provide protection from the 1 % annual chance or greater flood event. Area to be protected from 1 % annual chance flood event by a Federal flood protection system under construction; no base flood elevations determined. Coasta! flood zone with velocity hazard (wave action); no base flood elevations determined. Coastal flood zone with velocity hazard (wave action); base flood elevations determined. FLOODWAY AREAS IN ZONE AE The flood way is the channel of a stream plus any adiacent floodplain areas that must be kept free' of encroachment so that the 1 % annual chance flood can be carried without substantial.increases in flood heights. t ZONE X ZONE X ZONE 0 ~~\j ~"'~~~1 OTHER FLOOD AREAS I I BOULDER COUNTY UNINCORPORATED AREAsJ 080023 - !r-- - - Areas of Q.2% annual chance flood; areas of 1 % annua! chance flood with average depths of less than 1 foot Of with drainage areas less than 1 square mil~; and areas protected by levees from 1 % annual chance fl<lOd . OTHER AREAS Areas determined to be outside the 0.2% annual chance floodplain. Areas in which flood hazards are undetermined, but possible. COASTAL BARRfER RESOURCES SYSTEM (CBRSJ AREAS CBRS areas and OPAs are normallY located within or adjacent to Special Flood Hazard Areas. OTHERWISE PROTECTED AREAS tOPAs) Flo.odplain Boundarv Floodway Boundary Zone D Boundary ................ Coastal Barrier Boundary .J ~ Boundary dividing Spec;al Flood Hazard Areas of different Base Flood Elevations, flood depths or velocities. ~ ~ ;r SOUTH \~ ~/.'.'...iCi/ ................... ~"~ ~ '\:..,.....~... ,o...c ..:. ~ HARPER STREET ~> .....,........ ~. <:v," !.\ <0(() ~ ~0Q\/ :.\'?-\..~-\ ~:.;;;. S <::;-::> (EL 987) ~513~ Base Flood Elevation line and value; elevation in feet * Base Flood Elevation value where uniform within zone; elevation in feet" ""Referenced tOo the National Geode1ic Vertical Datum of 1929 0----0 @----€) Cross Section Line Transect Line Geographic coordinates referenced to the North American Datum of 1927 {NAD 27) 97007'30", 32022'30" ([) " LO o .....l W Z <( 0.. (r1 ~ o ., DX5519< ) t'~\ - Y ....H':'\ Yi\,?{"''''';/ .....~ ..~n:F"c\. ........;. ,./.<~ f:!!....~.....0i. ........................... ........ <~ \ ~~ <t~ 1 CC a:. ........i . ..... J>......... \ u.. tl >>>? ..... ........ .................. .>Fi"'"'N GRIFFlTHi ...; .... ........,31.................. ..... .... . .............c.. .... i<.C Ii ............ ......~ \l .....!.~/.} ..........Qs..... . .... ii ....... ...................... ;. .... .....> ..jl \....... ~\ ,J.~j\ r'.x. .... ~. ...; .............ii .>7 I ~.;>>.i.J ......... .. ... I.... I ~.i-i.\.....;............ .......ix.:ii...... ! i.e> ........ ....................i:/ll ~ .........,> ........ ."";'1 \"~br' ~i, ....>c.........>; ,. I ~ ~.;>r ......".'tk"- . ~ STREIT 4, ~~i ,} ~:.~~~ .. "'-......--:.,"""'- ....... >...... ..... ,...... 2.J.2? ..............}> .....c ..J:.ilii ... .............~ .......... 4276000M 1000-meter Universal Transverse Mercator grid values, zone 13 600000 FT 5000-foot grid ticks Bench mark (see explanation in Notes to Users section of this FIRM pane\}. . M1.5 River Mile MAP REPOSITORY Referto Repository listit1g on index Map EFFECTIVE DATE OF COUNTYWIDE FLOOD INSURANCE RATE MAP JUNE 2, 1995 EFFECTIVE DA TE(S) OF REVISION{S) TO THIS PANEL Octoher 4, 2002: to change base flood elevations, to change special flood hazard areas, to change zone designations, to update roads and road names, to reflect updated topographic information, to incorporate previously issued letters of map reviSIon, and to change flood way. For community map revision history prior to countywide mapping, refer to the Community Map History table located in the Flood insurance Study report for this jurisdiction. 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. . MAP SCALE 1" = 50ar 250 0 h--i 500 I 1000 ,FEET I METERS 300 \ / "\... } ~ - ....I~ LOIS \ DRIVE I :BOULDER COUNTY UNINCORPORATED AREAS L _ "."" br-) ~ ZONEX I UJ to o o 0::: J---- 'r--I l----1 150 0 150 (~l{~[lljl !III~ I~I ........, J.L I~ l~~ I ~ l~: i l~lliI :! '~JjJ.. ' ; I!~ (' I)~;I lr-~I 1 li~i.. ll~jl :::::: :~lJ I I I,~. I~II li~1 r;::~~ ~i I~I i !' ....."" rri~ j HI ~\ I I · ',; I=,!II' ~i I' ~~.I ~~ ' ~ fmilllll i I PANEL 0557 G '" ] FIRM FLOOD INSURANCE RATE MAP BOULDER COUNTY, COLORADO AND INCORPORATED AREAS PANEL 557 OF 595 (SEE MAP INDEX FOR FIRM PANEL LAYOUT) CONTAINS: COMMUNITY NUMBER PANEL SUFFfX: BOULDER COUNTY, UNINCQRPORATED AREAS lAFAYETTE, CITY OF LOUISVILLE, CITY OF 0557 0557 0557 G G G 080023 080026 085076 Notice to User: The Map Number shown below should be used when placing map o-rlers; the. Community Num.ber shewn above should be used on insurance aPl'licatlons for the subject community. MAP NUMBER 08013C0557 G ~~'\ ~.~~."+~~~~~.. ~'.' ~ .~\\ . y~. '~'" {) ,,"-0 C' ~ MAP REVISED: OCTOBER 4, 2002 Federal Enlergency Management Agency