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...... ELEVATION REfERENCE MARKS REFERENCE ELEVATION MARK (fEET NGVD) DESCRIPTION Of lOCATION RM4 4978.07 A standard U.S, Geological Survey benchmark di sk stamped "JR 61-1948 4979," I ocat ed at longmont near intersection of Kimbark Street and Fourth Avenue in northwest corner of front steps of City Hall in bot t om s t e p . 1 RM5 4963.62 A City of longmont brass cap (Number 94) set in concrete, locotedat the northeast corner of the intersect ion of Sherman Court and First Avenue, at radius point o f cor n e r, 26 fee t from b a c k 0 f curb. RM 10 5002.27 A City of longmant brass cap (Number 13), set in concrete at southeast corner of Franci s Street and 12th Avenue, at radius point of corner, 26 feet from back of curb. ~ 2 ~ 3 ~ ~ 5 ~ 6 .... 105007'30" 40011'15" I T3N T2N r--.. (Q N o ....J UJ Z <( 0.. (f) Z o ., L 40009'22" 105007'30" ....... - - ~ PLACE I- UJ UJ 0:: I- (f) U <( 2: ::::l (f) ------ 15TH (f) c ~ )> (') (f) -l :::0 m m -i I- UJ UJ 0:: I- (f) I- w (f) Z ::::l (f) 14TH -" - I- LU UJ 0:: I- (f) I- LU ~ l- V) tu w t? 0.. :::i ::::l I- z UJ o z :::i I- LU (f) Z ::::l (f) /~ 12TH -~ LOOMILLER PARK ~ ~ 0:: UJ 0.. Z ::::l ., .. ~ -c.!\ Loom-iller Reservoir ../ - I- LU W 0:: I- (f) 0.. :::i ::::l I- I- UJ LU 0:: I- (f) u ::i :::i I- LU UJ 0:: tn UJ (f) o 0:: WARREN I- o..~ :::io:: ::::ll- I-(f) FAiTH PLACE UJi 10:: ....J::::l 0..0 ~u SUNSET CIRCLE ~ ~ N ZONE X ..... ARAPAHOE DRIVE ZONE X DONOVAN Co ~OURl '11 f:>O DolV '11-1/; OV-<j;v !: !.. DRIVE /-it/j?~___ ZONE X ZONE I- <f! r--- XI 1 ~ if. I . --- E AE 4970) I- UJ LU 0:: I- (f) I- LU (f) Z ::::l (f) '-- :r: I- 0:: o Z I 4969 SHORT PLACE i'-.. Co ~ CITY DONOVAN I \ AVENUE I AVENUE f-- UJ LU 0:: I- (f) 0:: LU ~ ::::l (f) "- l- Ll.: UJ E5 U) Z <t 5: 5: --1 \ ------ I I- LU UJ 0:: I- U) Z <( 5> 5> ....... I --- c o (f) o z - U) -i :::0 m m -i V-- 33 I- UJ LU 0:: I- (f) z o (f) o ::::l ., AVENUE 16TH AVENUE ZONE X SANBORN PLACE MOUNTAIN I- w UJ 0:: I- U) U) u z <( 0:: LL I- UJ UJ 0:: I- (f) I- LU UJ 0:: I- (f) l ASP:::N PLACE I- UJ LU 0:: I- (f) z ;5 u z :::i . .- \ . ~ ZONE X I I I I SHARPE PLACE , OF LONGMONT 080027 LONGS I - GREEN ~E> AVENUE 3RD I- UJ LU 0:: I- (f) z <( 5> 5> SPRUCE I- UJ UJ 0:: I- (f) Z o (f) o ;:; AVENUE z <( 2: 0:: UJ :r: (f) I- Z <( 0:: <.9 } x RM10 i : . , . \ . ~. , - tu z ~ ~h: 8 I- 0:: => 0:: (f) ~8 tn (f) u z <( 0:: LL I- Z <( 0:: <.9 I- UJ w 0:: I- U) Z <( 2 0:: w :r: (f) ZONE X PEAK . .~ " ~ S: "\ I- ~ ~ => LU tJ tn o 8 I' ~ ~ ~ 't:3 ~ 1= z ~ ~ s: <!) ~ Q. \. · 9TH _ '" ~ . ../\. ~ ~' i 0.. " AVENUE ROOSEVELT PARK ~ :Jj m l2:j 10TH E ...... JOINS PANEL 0278 \ - AVENUE OJ o :2: m z 15TH ~ ~ ~ -j v :::0 ~ -l ~ '2l 14TH AVENUE ffi ~ -... -- VIEW \ Et '\ WAY I- w W 0:: I- (f) UJ W 0:: l- v) I- W w 0:: I- (;) I- w W 0:: I- (f) >- <J:: <.9 U) (f) o 0:: OJ z w 0.. (f) <( w U Z w > 11TH I- I=U:J <(0:: 0:: f- Q..(f) I :> (/) v m Z J ......... }i I- w W 0:: I- (f) 8TH NOTE: MAP AREA SHOWN ON THIS PANEL IS LOCATED WITHIN TOWNSHIP 2 NORTH, RANGE 69 WEST AND TOWNSHIP 3 NORTH, RANGE 69 WEST /ij~ ~ 8 t; ~' ~ fi I" g --- 8~ ~ ~ ~~ ~ ~ 8 _______ z :::i 4 I- w w 0:: I- (f) (f) (J z <( 0:: LL I- UJ w 0:: I- (f) Z <( 2 0:: W I (f) I-~ w UJ 0:: G I- Z < 0:: <.9 AVENUE r- ......ClIy OF LONGMON'T BOULDER COUNTY .... 496 I- W Ll.J 0:: I- (f) --:- - --- ~ I 0:: (')~ op <.9 g ~ g ~ :::0 )> :::0 OJ -lz -im RM5 :t J BURLING TON NORTHERN PLACE PLACE 1ST CARLTON ZONE X - LINCOLN PLl\CE ZONE X AVENUE ZONE X b<O BOWE 10 o cr:. a cr:. <( Z 0:: <:t al FORBES OURT 7n~u: X PLACE z w S c OJ 4958 -~ ~I---- h.~~~_ ~ ZONE 8 3 X c(f) ~d z , 1= <( 0:: 0.. (f) 81' CREEK ZONE X JOINS 0288 .... FillA) AVENUE ~ o 0 o :::0 C 6 :::0 C -I m N AVENUE I- w w 0:: I- (f) <( I- ....J <( 8TH --..... X - --- ~, 5TH 4TH 3RD 2ND - 34 AVENUE ....... I- W UJ 0:: I- (f) >- 0:: 0:: w I- I- UJ w 0:: I- (f) >- 0:: a: w I- /STRE~~~, V .... AVENUE LONGS ZONE X ZONE X -i m ::c :::0 -< ~ (f) -i ::c m m -l ~ z ~ o u AVENUE / / '......... 3 I- W w 0:: I- (f) z <( 2= u. LL C U z <( 2: LL LL o U --- ffi:18 20:: wtn I COLUMBINE PLACE 1-' U) F AVENUE ~ ~ z <( 2: ZONE X I- W W 0:: I- (f) z <( 2 8TH . RM4 I- W w 0:: I- (f) z <( 2 ~////' ~// " co "t 0) "t ~ @ 10 ~ 1ST z <( 2= BOSTON I I- ~:::::J o (f) )L ZONE X ~ 2 S.2 COLORADO - ~ ~ )L 0:: <( co 2: S.2 I- w UJ a: I- (f) )L 0:: <( OJ 2 S.2 PEAK \ >/1 .~ . , ~. I- UJ UJ 0:: I- (f) )L 0:: <( OJ 2 S.2 I- w ill 0:: l- (/) :::.c. 0:: <( OJ Z S.2 12TH I- w w 0:: I- (f) >- a: UJ :;; W " " ....... I 105005'37" " 40011'15" 16TH AVENUE _CV1ERlrwr' ~~~ ~ ., '~~~;;R ~ o eOURT- o ~ ~l I I- W ill 0:: Ii) >- cr:. w Z w L1MlT OF DETAilED STUDY " EMERY i--- COURT --- NATIONAL PLACE p.,f> ~ PLAcE- 4q I- UJ W 0:: I- U) w Z <t .....J >- 0:: UJ 2: w o o ~ BOULDER COUNTY <.9 UNINCORPORATED AREAS o - ,''''''''~~ o ... - V N~~ Y_J ZONE X 4~98\ 995 c;::J )> T rn ::;J % 1, y >- w a: o u A~ ~;\ -))0) o x 994 ~ 92 ~ 4992 COLONY PLACE @j ~g o ~, ,~ & ~r J BOULDER COUNTY ------ UNINCORPO~~TED AREAS ~ 080023 BAKER STREET-- I- LU UJ 0:: I- (f) >- W 0:: o U I- w W 0:: I- ({) 0:: UJ >- ....J ....J o U }- UJ UJ 0:: I- (f) o o ~ TIN T2N ~ENUE r-- '. ~ 't ~ ~ <( 0.. 1 --- ~ X (f) ~ '. Q , I >- I- OJ 0:: a: ::::l <( 0 o u AVENUE " E ~ '. ~ ~ ~ <: <:: o r;:... . 0- ~ ~ co ! : AVENUE . . 71"'\&.U: X X - - - - , \ AVENUE "- ~l' . (f) 0:: >- ~! ffi ::l ~ is " l\ 119 AVENUE tJ w g: (/) r:r: w ~ ~ " AVENUE I ! BURLINGTON NORT~:~~/ //~~~ ~l ~:':c'~1 ISUGARMiLL ROAD) ~{ AVENUE AVE ~ - B ZONE AE ZONE X 4933 A ZONE X tu (/) ~ !::: t:; ~ BOULDER COUNTY UNINCORPOR.t\TED AREAS CITY 080023 8prlng _ _ OF LONGMONT . BOULDER COUNTY- BOULDER COUNTY UNINCORPORATED AREAS 080023 flOODING EffECTS fROM ST VRAIN CREEK ::::J w I- <( >- a: 0:: 0 w 0- ~a: o u ~ ~~ -- 1- } - ...... 40009'22" 105005'37" .... L EN AREAS INUNDATED ZONE A flood ZONE AI: Base flood elevations ". ZONE AH 1 3 base flood , u"'"",,, ,,"u, ZONE AO Flood depths of '1 feet flow terrain); determined. areas of alluvial velocities also determined. ZONE A99 To be Federal construction; no fromlOO-vear flood bv svstem unde'r elevations determined. ZONE V Coastal ilood with \' elocitv Iwa\ e action]; no base flood ele\ations determined. ZONE VE Coastal flood with velocitv iwave action); base flood elevations determined. FLOODW,AY f'\REAS IN ZONE AE I OTHER FLOOD AREAS ZONE X f\reas of SOO-year flood; flood with depths of 1 or \vith 1 square miie; and areas levees from flood. ~ I OTHER AREAS ZONE X Areas determined to be outside floodplain. ZONE 0 Areas in which flood hazards are undetermined. UNDEVELOPED COASTAL BARRIERS ~~<~'f:::< I'.': "'~""""" · t I, f~ 1 Identified Identified Otherwise 1983 1990 Coastal barrier areas are normally located within or adjacent Speoial Flood Hazard Areas. Flood Boundary Floodway Boundary Zone D Boundary t I . I Boundary Hazard Dividing Coastal Within Zones. Base Elevation in Feet. See for Elevation Datum. Dividing Special Flood Zones, and Boundary Areas Different Base ,..., ~ Special ~513~ ~ Cross Section Base Flood Elevation Where Uniform Within See Map Index for Elevation Reference Mark (EL 987) RM7X . M2 River Mile Horizontal Coordinates Based American Datum of 1927 Projection. North 97007'30", 32022'30" NOTES This map is for use administering the National Flood Insurance it does not necessarily identify all areas subject to flooding particularly local sources of small size, or all planimetric features outside Special Hazard Areas. Coastal base flood elevations the effects of wave action; from those developed by the National evacuation planning. Areas of Special Flood Hazard 1100-year floodl include Zones A. AE. A99, V, and VE. land\'vard of 0.0 NGVD, and include also differ v Service for AH, Certain areas not in Special Flood Hazard Areas may be protected by flood control structures. Boundaries of the floodways were computed at cross sections and interpolated between cross sections. The floodways based hydraulc considerations with regard to requirements of Federal Emergency Management Age'1cy. Floodway widths in some areas may be too narrow to show scale. Floodway are provided in the Flood Insurance Study Report. This map may Resource under the Coastal ~ limits boundaries and. Othervvise Protected Barrier Improvement of 1990 limits shown are current as of the date of this contact appropriate community officials to determine have changed subsequent to the issuance of The user corporate For "VI "' lien '"Y map revision history Section 6.0 the Flood Insurance to Report. mapping, For map panels and base map source see separately printed Map MAP REPOSITORY Refer to Repository Listing on Map Index EFFECTIVE DATE OF COUNTYWIDE FLOOD INSURANCE RATE MAP: JUNE 2" 1995 EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANEL; Refer to the FLOOD INSURANCE RATE MAP EFFECTIVE shown on this map to determine when actuarial rates apply structures In zones \\ here elevations depths been established. determine if flood insurance is available, contact an insurance agent or call the National Flood Insurance Program at 18001 638-6620. . APPROXIMATE SCALE IN FEET 500 0 51 ~ " - .............. """.::: ................. .,M ..................... I ................ NAI I FLOOD !NSURA lDRR, COUNTY, COLORADO AND CORP fl'~U OF (SEE MAP INDEX FOR PANELS ~ lUNIAIN~: ('()h H AI H" IIn. T NUMBER COUNTY. "r .~v NUMKtH ..-... -, ...........".. F UtJU'1 =.(1 :U'J ~Ij Il:li) =", .... tttt.1; IIVt. Federal Emcll:.c;uCV M51 .I '-' it 1'\.5'"'U,", Y